turbostat.c 118.9 KB
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/*
 * turbostat -- show CPU frequency and C-state residency
 * on modern Intel turbo-capable processors.
 *
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 * Copyright (c) 2013 Intel Corporation.
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 * Len Brown <len.brown@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 */

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#define _GNU_SOURCE
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#include MSRHEADER
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#include INTEL_FAMILY_HEADER
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#include <stdarg.h>
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#include <stdio.h>
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#include <err.h>
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#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/resource.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/time.h>
#include <stdlib.h>
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#include <getopt.h>
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#include <dirent.h>
#include <string.h>
#include <ctype.h>
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#include <sched.h>
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#include <time.h>
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#include <cpuid.h>
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#include <linux/capability.h>
#include <errno.h>
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char *proc_stat = "/proc/stat";
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FILE *outf;
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int *fd_percpu;
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struct timespec interval_ts = {5, 0};
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unsigned int debug;
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unsigned int quiet;
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unsigned int rapl_joules;
unsigned int summary_only;
unsigned int dump_only;
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unsigned int do_snb_cstates;
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unsigned int do_knl_cstates;
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unsigned int do_skl_residency;
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unsigned int do_slm_cstates;
unsigned int use_c1_residency_msr;
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unsigned int has_aperf;
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unsigned int has_epb;
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unsigned int do_irtl_snb;
unsigned int do_irtl_hsw;
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unsigned int units = 1000000;	/* MHz etc */
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unsigned int genuine_intel;
unsigned int has_invariant_tsc;
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unsigned int do_nhm_platform_info;
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unsigned int no_MSR_MISC_PWR_MGMT;
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unsigned int aperf_mperf_multiplier = 1;
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double bclk;
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double base_hz;
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unsigned int has_base_hz;
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double tsc_tweak = 1.0;
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unsigned int show_pkg_only;
unsigned int show_core_only;
char *output_buffer, *outp;
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unsigned int do_rapl;
unsigned int do_dts;
unsigned int do_ptm;
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unsigned long long  gfx_cur_rc6_ms;
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unsigned int gfx_cur_mhz;
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unsigned int tcc_activation_temp;
unsigned int tcc_activation_temp_override;
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double rapl_power_units, rapl_time_units;
double rapl_dram_energy_units, rapl_energy_units;
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double rapl_joule_counter_range;
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unsigned int do_core_perf_limit_reasons;
unsigned int do_gfx_perf_limit_reasons;
unsigned int do_ring_perf_limit_reasons;
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unsigned int crystal_hz;
unsigned long long tsc_hz;
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int base_cpu;
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double discover_bclk(unsigned int family, unsigned int model);
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unsigned int has_hwp;	/* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */
			/* IA32_HWP_REQUEST, IA32_HWP_STATUS */
unsigned int has_hwp_notify;		/* IA32_HWP_INTERRUPT */
unsigned int has_hwp_activity_window;	/* IA32_HWP_REQUEST[bits 41:32] */
unsigned int has_hwp_epp;		/* IA32_HWP_REQUEST[bits 31:24] */
unsigned int has_hwp_pkg;		/* IA32_HWP_REQUEST_PKG */
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unsigned int has_misc_feature_control;
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#define RAPL_PKG		(1 << 0)
					/* 0x610 MSR_PKG_POWER_LIMIT */
					/* 0x611 MSR_PKG_ENERGY_STATUS */
#define RAPL_PKG_PERF_STATUS	(1 << 1)
					/* 0x613 MSR_PKG_PERF_STATUS */
#define RAPL_PKG_POWER_INFO	(1 << 2)
					/* 0x614 MSR_PKG_POWER_INFO */

#define RAPL_DRAM		(1 << 3)
					/* 0x618 MSR_DRAM_POWER_LIMIT */
					/* 0x619 MSR_DRAM_ENERGY_STATUS */
#define RAPL_DRAM_PERF_STATUS	(1 << 4)
					/* 0x61b MSR_DRAM_PERF_STATUS */
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#define RAPL_DRAM_POWER_INFO	(1 << 5)
					/* 0x61c MSR_DRAM_POWER_INFO */
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#define RAPL_CORES_POWER_LIMIT	(1 << 6)
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					/* 0x638 MSR_PP0_POWER_LIMIT */
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#define RAPL_CORE_POLICY	(1 << 7)
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					/* 0x63a MSR_PP0_POLICY */

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#define RAPL_GFX		(1 << 8)
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					/* 0x640 MSR_PP1_POWER_LIMIT */
					/* 0x641 MSR_PP1_ENERGY_STATUS */
					/* 0x642 MSR_PP1_POLICY */
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#define RAPL_CORES_ENERGY_STATUS	(1 << 9)
					/* 0x639 MSR_PP0_ENERGY_STATUS */
#define RAPL_CORES (RAPL_CORES_ENERGY_STATUS | RAPL_CORES_POWER_LIMIT)
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#define	TJMAX_DEFAULT	100

#define MAX(a, b) ((a) > (b) ? (a) : (b))
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/*
 * buffer size used by sscanf() for added column names
 * Usually truncated to 7 characters, but also handles 18 columns for raw 64-bit counters
 */
#define	NAME_BYTES 20

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int backwards_count;
char *progname;

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cpu_set_t *cpu_present_set, *cpu_affinity_set;
size_t cpu_present_setsize, cpu_affinity_setsize;
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#define MAX_ADDED_COUNTERS 16
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struct thread_data {
	unsigned long long tsc;
	unsigned long long aperf;
	unsigned long long mperf;
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	unsigned long long c1;
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	unsigned int irq_count;
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	unsigned int smi_count;
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	unsigned int cpu_id;
	unsigned int flags;
#define CPU_IS_FIRST_THREAD_IN_CORE	0x2
#define CPU_IS_FIRST_CORE_IN_PACKAGE	0x4
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	unsigned long long counter[MAX_ADDED_COUNTERS];
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} *thread_even, *thread_odd;

struct core_data {
	unsigned long long c3;
	unsigned long long c6;
	unsigned long long c7;
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	unsigned long long mc6_us;	/* duplicate as per-core for now, even though per module */
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	unsigned int core_temp_c;
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	unsigned int core_id;
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	unsigned long long counter[MAX_ADDED_COUNTERS];
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} *core_even, *core_odd;

struct pkg_data {
	unsigned long long pc2;
	unsigned long long pc3;
	unsigned long long pc6;
	unsigned long long pc7;
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	unsigned long long pc8;
	unsigned long long pc9;
	unsigned long long pc10;
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	unsigned long long pkg_wtd_core_c0;
	unsigned long long pkg_any_core_c0;
	unsigned long long pkg_any_gfxe_c0;
	unsigned long long pkg_both_core_gfxe_c0;
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	long long gfx_rc6_ms;
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	unsigned int gfx_mhz;
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	unsigned int package_id;
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	unsigned int energy_pkg;	/* MSR_PKG_ENERGY_STATUS */
	unsigned int energy_dram;	/* MSR_DRAM_ENERGY_STATUS */
	unsigned int energy_cores;	/* MSR_PP0_ENERGY_STATUS */
	unsigned int energy_gfx;	/* MSR_PP1_ENERGY_STATUS */
	unsigned int rapl_pkg_perf_status;	/* MSR_PKG_PERF_STATUS */
	unsigned int rapl_dram_perf_status;	/* MSR_DRAM_PERF_STATUS */
	unsigned int pkg_temp_c;
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	unsigned long long counter[MAX_ADDED_COUNTERS];
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} *package_even, *package_odd;

#define ODD_COUNTERS thread_odd, core_odd, package_odd
#define EVEN_COUNTERS thread_even, core_even, package_even

#define GET_THREAD(thread_base, thread_no, core_no, pkg_no) \
	(thread_base + (pkg_no) * topo.num_cores_per_pkg * \
		topo.num_threads_per_core + \
		(core_no) * topo.num_threads_per_core + (thread_no))
#define GET_CORE(core_base, core_no, pkg_no) \
	(core_base + (pkg_no) * topo.num_cores_per_pkg + (core_no))
#define GET_PKG(pkg_base, pkg_no) (pkg_base + pkg_no)

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enum counter_scope {SCOPE_CPU, SCOPE_CORE, SCOPE_PACKAGE};
enum counter_type {COUNTER_CYCLES, COUNTER_SECONDS};
enum counter_format {FORMAT_RAW, FORMAT_DELTA, FORMAT_PERCENT};

struct msr_counter {
	unsigned int msr_num;
	char name[NAME_BYTES];
	unsigned int width;
	enum counter_type type;
	enum counter_format format;
	struct msr_counter *next;
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	unsigned int flags;
#define	FLAGS_HIDE	(1 << 0)
#define	FLAGS_SHOW	(1 << 1)
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};

struct sys_counters {
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	unsigned int added_thread_counters;
	unsigned int added_core_counters;
	unsigned int added_package_counters;
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	struct msr_counter *tp;
	struct msr_counter *cp;
	struct msr_counter *pp;
} sys;

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struct system_summary {
	struct thread_data threads;
	struct core_data cores;
	struct pkg_data packages;
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} average;
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struct topo_params {
	int num_packages;
	int num_cpus;
	int num_cores;
	int max_cpu_num;
	int num_cores_per_pkg;
	int num_threads_per_core;
} topo;

struct timeval tv_even, tv_odd, tv_delta;

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int *irq_column_2_cpu;	/* /proc/interrupts column numbers */
int *irqs_per_cpu;		/* indexed by cpu_num */

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void setup_all_buffers(void);

int cpu_is_not_present(int cpu)
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{
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	return !CPU_ISSET_S(cpu, cpu_present_setsize, cpu_present_set);
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}
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/*
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 * run func(thread, core, package) in topology order
 * skip non-present cpus
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 */
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int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg_data *),
	struct thread_data *thread_base, struct core_data *core_base, struct pkg_data *pkg_base)
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{
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	int retval, pkg_no, core_no, thread_no;
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	for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
		for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
			for (thread_no = 0; thread_no <
				topo.num_threads_per_core; ++thread_no) {
				struct thread_data *t;
				struct core_data *c;
				struct pkg_data *p;
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				t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);

				if (cpu_is_not_present(t->cpu_id))
					continue;

				c = GET_CORE(core_base, core_no, pkg_no);
				p = GET_PKG(pkg_base, pkg_no);

				retval = func(t, c, p);
				if (retval)
					return retval;
			}
		}
	}
	return 0;
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}

int cpu_migrate(int cpu)
{
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	CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
	CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
	if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
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		return -1;
	else
		return 0;
}
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int get_msr_fd(int cpu)
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{
	char pathname[32];
	int fd;

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	fd = fd_percpu[cpu];

	if (fd)
		return fd;

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	sprintf(pathname, "/dev/cpu/%d/msr", cpu);
	fd = open(pathname, O_RDONLY);
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	if (fd < 0)
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		err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
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	fd_percpu[cpu] = fd;

	return fd;
}

int get_msr(int cpu, off_t offset, unsigned long long *msr)
{
	ssize_t retval;

	retval = pread(get_msr_fd(cpu), msr, sizeof(*msr), offset);
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	if (retval != sizeof *msr)
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		err(-1, "cpu%d: msr offset 0x%llx read failed", cpu, (unsigned long long)offset);
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	return 0;
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}

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/*
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 * Each string in this array is compared in --show and --hide cmdline.
 * Thus, strings that are proper sub-sets must follow their more specific peers.
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 */
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struct msr_counter bic[] = {
	{ 0x0, "Package" },
	{ 0x0, "Avg_MHz" },
	{ 0x0, "Bzy_MHz" },
	{ 0x0, "TSC_MHz" },
	{ 0x0, "IRQ" },
	{ 0x0, "SMI", 32, 0, FORMAT_DELTA, NULL},
	{ 0x0, "Busy%" },
	{ 0x0, "CPU%c1" },
	{ 0x0, "CPU%c3" },
	{ 0x0, "CPU%c6" },
	{ 0x0, "CPU%c7" },
	{ 0x0, "ThreadC" },
	{ 0x0, "CoreTmp" },
	{ 0x0, "CoreCnt" },
	{ 0x0, "PkgTmp" },
	{ 0x0, "GFX%rc6" },
	{ 0x0, "GFXMHz" },
	{ 0x0, "Pkg%pc2" },
	{ 0x0, "Pkg%pc3" },
	{ 0x0, "Pkg%pc6" },
	{ 0x0, "Pkg%pc7" },
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	{ 0x0, "Pkg%pc8" },
	{ 0x0, "Pkg%pc9" },
	{ 0x0, "Pkg%pc10" },
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	{ 0x0, "PkgWatt" },
	{ 0x0, "CorWatt" },
	{ 0x0, "GFXWatt" },
	{ 0x0, "PkgCnt" },
	{ 0x0, "RAMWatt" },
	{ 0x0, "PKG_%" },
	{ 0x0, "RAM_%" },
	{ 0x0, "Pkg_J" },
	{ 0x0, "Cor_J" },
	{ 0x0, "GFX_J" },
	{ 0x0, "RAM_J" },
	{ 0x0, "Core" },
	{ 0x0, "CPU" },
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	{ 0x0, "Mod%c6" },
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};

#define MAX_BIC (sizeof(bic) / sizeof(struct msr_counter))
#define	BIC_Package	(1ULL << 0)
#define	BIC_Avg_MHz	(1ULL << 1)
#define	BIC_Bzy_MHz	(1ULL << 2)
#define	BIC_TSC_MHz	(1ULL << 3)
#define	BIC_IRQ		(1ULL << 4)
#define	BIC_SMI		(1ULL << 5)
#define	BIC_Busy	(1ULL << 6)
#define	BIC_CPU_c1	(1ULL << 7)
#define	BIC_CPU_c3	(1ULL << 8)
#define	BIC_CPU_c6	(1ULL << 9)
#define	BIC_CPU_c7	(1ULL << 10)
#define	BIC_ThreadC	(1ULL << 11)
#define	BIC_CoreTmp	(1ULL << 12)
#define	BIC_CoreCnt	(1ULL << 13)
#define	BIC_PkgTmp	(1ULL << 14)
#define	BIC_GFX_rc6	(1ULL << 15)
#define	BIC_GFXMHz	(1ULL << 16)
#define	BIC_Pkgpc2	(1ULL << 17)
#define	BIC_Pkgpc3	(1ULL << 18)
#define	BIC_Pkgpc6	(1ULL << 19)
#define	BIC_Pkgpc7	(1ULL << 20)
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#define	BIC_Pkgpc8	(1ULL << 21)
#define	BIC_Pkgpc9	(1ULL << 22)
#define	BIC_Pkgpc10	(1ULL << 23)
#define	BIC_PkgWatt	(1ULL << 24)
#define	BIC_CorWatt	(1ULL << 25)
#define	BIC_GFXWatt	(1ULL << 26)
#define	BIC_PkgCnt	(1ULL << 27)
#define	BIC_RAMWatt	(1ULL << 28)
#define	BIC_PKG__	(1ULL << 29)
#define	BIC_RAM__	(1ULL << 30)
#define	BIC_Pkg_J	(1ULL << 31)
#define	BIC_Cor_J	(1ULL << 32)
#define	BIC_GFX_J	(1ULL << 33)
#define	BIC_RAM_J	(1ULL << 34)
#define	BIC_Core	(1ULL << 35)
#define	BIC_CPU		(1ULL << 36)
#define	BIC_Mod_c6	(1ULL << 37)
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unsigned long long bic_enabled = 0xFFFFFFFFFFFFFFFFULL;
unsigned long long bic_present;

#define DO_BIC(COUNTER_NAME) (bic_enabled & bic_present & COUNTER_NAME)
#define BIC_PRESENT(COUNTER_BIT) (bic_present |= COUNTER_BIT)
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#define BIC_NOT_PRESENT(COUNTER_BIT) (bic_present &= ~COUNTER_BIT)
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/*
 * bic_lookup
 * for all the strings in comma separate name_list,
 * set the approprate bit in return value.
 */
unsigned long long bic_lookup(char *name_list)
{
	int i;
	unsigned long long retval = 0;

	while (name_list) {
		char *comma;

		comma = strchr(name_list, ',');

		if (comma)
			*comma = '\0';

		for (i = 0; i < MAX_BIC; ++i) {
			if (!strcmp(name_list, bic[i].name)) {
				retval |= (1ULL << i);
				break;
			}
		}
		if (i == MAX_BIC) {
			fprintf(stderr, "Invalid counter name: %s\n", name_list);
			exit(-1);
		}

		name_list = comma;
		if (name_list)
			name_list++;

	}
	return retval;
}
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void print_header(void)
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{
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	struct msr_counter *mp;

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	if (DO_BIC(BIC_Package))
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		outp += sprintf(outp, "\tPackage");
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	if (DO_BIC(BIC_Core))
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		outp += sprintf(outp, "\tCore");
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	if (DO_BIC(BIC_CPU))
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		outp += sprintf(outp, "\tCPU");
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	if (DO_BIC(BIC_Avg_MHz))
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		outp += sprintf(outp, "\tAvg_MHz");
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	if (DO_BIC(BIC_Busy))
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		outp += sprintf(outp, "\tBusy%%");
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	if (DO_BIC(BIC_Bzy_MHz))
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		outp += sprintf(outp, "\tBzy_MHz");
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	if (DO_BIC(BIC_TSC_MHz))
		outp += sprintf(outp, "\tTSC_MHz");
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	if (DO_BIC(BIC_IRQ))
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		outp += sprintf(outp, "\tIRQ");
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	if (DO_BIC(BIC_SMI))
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		outp += sprintf(outp, "\tSMI");
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	if (DO_BIC(BIC_CPU_c1))
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		outp += sprintf(outp, "\tCPU%%c1");
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	for (mp = sys.tp; mp; mp = mp->next) {
		if (mp->format == FORMAT_RAW) {
			if (mp->width == 64)
				outp += sprintf(outp, "\t%18.18s", mp->name);
			else
				outp += sprintf(outp, "\t%10.10s", mp->name);
		} else {
			outp += sprintf(outp, "\t%-7.7s", mp->name);
		}
	}

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	if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates)
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		outp += sprintf(outp, "\tCPU%%c3");
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	if (DO_BIC(BIC_CPU_c6))
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		outp += sprintf(outp, "\tCPU%%c6");
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	if (DO_BIC(BIC_CPU_c7))
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		outp += sprintf(outp, "\tCPU%%c7");

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	if (DO_BIC(BIC_Mod_c6))
		outp += sprintf(outp, "\tMod%%c6");
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	if (DO_BIC(BIC_CoreTmp))
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		outp += sprintf(outp, "\tCoreTmp");
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	for (mp = sys.cp; mp; mp = mp->next) {
		if (mp->format == FORMAT_RAW) {
			if (mp->width == 64)
				outp += sprintf(outp, "\t%18.18s", mp->name);
			else
				outp += sprintf(outp, "\t%10.10s", mp->name);
		} else {
			outp += sprintf(outp, "\t%-7.7s", mp->name);
		}
	}

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	if (DO_BIC(BIC_PkgTmp))
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		outp += sprintf(outp, "\tPkgTmp");
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	if (DO_BIC(BIC_GFX_rc6))
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		outp += sprintf(outp, "\tGFX%%rc6");
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	if (DO_BIC(BIC_GFXMHz))
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		outp += sprintf(outp, "\tGFXMHz");
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	if (do_skl_residency) {
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		outp += sprintf(outp, "\tTotl%%C0");
		outp += sprintf(outp, "\tAny%%C0");
		outp += sprintf(outp, "\tGFX%%C0");
		outp += sprintf(outp, "\tCPUGFX%%");
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	}

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	if (DO_BIC(BIC_Pkgpc2))
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		outp += sprintf(outp, "\tPkg%%pc2");
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	if (DO_BIC(BIC_Pkgpc3))
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		outp += sprintf(outp, "\tPkg%%pc3");
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	if (DO_BIC(BIC_Pkgpc6))
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		outp += sprintf(outp, "\tPkg%%pc6");
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	if (DO_BIC(BIC_Pkgpc7))
551
		outp += sprintf(outp, "\tPkg%%pc7");
552
	if (DO_BIC(BIC_Pkgpc8))
553
		outp += sprintf(outp, "\tPkg%%pc8");
554
	if (DO_BIC(BIC_Pkgpc9))
555
		outp += sprintf(outp, "\tPkg%%pc9");
556
	if (DO_BIC(BIC_Pkgpc10))
557
		outp += sprintf(outp, "\tPk%%pc10");
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558

559
	if (do_rapl && !rapl_joules) {
560
		if (DO_BIC(BIC_PkgWatt))
561
			outp += sprintf(outp, "\tPkgWatt");
562
		if (DO_BIC(BIC_CorWatt))
563
			outp += sprintf(outp, "\tCorWatt");
564
		if (DO_BIC(BIC_GFXWatt))
565
			outp += sprintf(outp, "\tGFXWatt");
566
		if (DO_BIC(BIC_RAMWatt))
567
			outp += sprintf(outp, "\tRAMWatt");
568
		if (DO_BIC(BIC_PKG__))
569
			outp += sprintf(outp, "\tPKG_%%");
570
		if (DO_BIC(BIC_RAM__))
571
			outp += sprintf(outp, "\tRAM_%%");
572
	} else if (do_rapl && rapl_joules) {
573
		if (DO_BIC(BIC_Pkg_J))
574
			outp += sprintf(outp, "\tPkg_J");
575
		if (DO_BIC(BIC_Cor_J))
576
			outp += sprintf(outp, "\tCor_J");
577
		if (DO_BIC(BIC_GFX_J))
578
			outp += sprintf(outp, "\tGFX_J");
579
		if (DO_BIC(BIC_RAM_J))
580
			outp += sprintf(outp, "\tRAM_J");
581
		if (DO_BIC(BIC_PKG__))
582
			outp += sprintf(outp, "\tPKG_%%");
583
		if (DO_BIC(BIC_RAM__))
584
			outp += sprintf(outp, "\tRAM_%%");
585
	}
586 587 588 589 590 591 592 593 594 595 596
	for (mp = sys.pp; mp; mp = mp->next) {
		if (mp->format == FORMAT_RAW) {
			if (mp->width == 64)
				outp += sprintf(outp, "\t%18.18s", mp->name);
			else
				outp += sprintf(outp, "\t%10.10s", mp->name);
		} else {
			outp += sprintf(outp, "\t%-7.7s", mp->name);
		}
	}

597
	outp += sprintf(outp, "\n");
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598 599
}

600 601
int dump_counters(struct thread_data *t, struct core_data *c,
	struct pkg_data *p)
L
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602
{
603 604 605
	int i;
	struct msr_counter *mp;

606
	outp += sprintf(outp, "t %p, c %p, p %p\n", t, c, p);
607 608

	if (t) {
609 610 611 612 613 614
		outp += sprintf(outp, "CPU: %d flags 0x%x\n",
			t->cpu_id, t->flags);
		outp += sprintf(outp, "TSC: %016llX\n", t->tsc);
		outp += sprintf(outp, "aperf: %016llX\n", t->aperf);
		outp += sprintf(outp, "mperf: %016llX\n", t->mperf);
		outp += sprintf(outp, "c1: %016llX\n", t->c1);
615

616
		if (DO_BIC(BIC_IRQ))
617
			outp += sprintf(outp, "IRQ: %08X\n", t->irq_count);
618
		if (DO_BIC(BIC_SMI))
619
			outp += sprintf(outp, "SMI: %08X\n", t->smi_count);
620 621 622 623 624

		for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
			outp += sprintf(outp, "tADDED [%d] msr0x%x: %08llX\n",
				i, mp->msr_num, t->counter[i]);
		}
625
	}
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626

627
	if (c) {
628 629 630 631 632
		outp += sprintf(outp, "core: %d\n", c->core_id);
		outp += sprintf(outp, "c3: %016llX\n", c->c3);
		outp += sprintf(outp, "c6: %016llX\n", c->c6);
		outp += sprintf(outp, "c7: %016llX\n", c->c7);
		outp += sprintf(outp, "DTS: %dC\n", c->core_temp_c);
633 634 635 636 637

		for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
			outp += sprintf(outp, "cADDED [%d] msr0x%x: %08llX\n",
				i, mp->msr_num, c->counter[i]);
		}
638
		outp += sprintf(outp, "mc6_us: %016llX\n", c->mc6_us);
639
	}
L
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640

641
	if (p) {
642
		outp += sprintf(outp, "package: %d\n", p->package_id);
643 644 645 646 647 648

		outp += sprintf(outp, "Weighted cores: %016llX\n", p->pkg_wtd_core_c0);
		outp += sprintf(outp, "Any cores: %016llX\n", p->pkg_any_core_c0);
		outp += sprintf(outp, "Any GFX: %016llX\n", p->pkg_any_gfxe_c0);
		outp += sprintf(outp, "CPU + GFX: %016llX\n", p->pkg_both_core_gfxe_c0);

649
		outp += sprintf(outp, "pc2: %016llX\n", p->pc2);
650
		if (DO_BIC(BIC_Pkgpc3))
651
			outp += sprintf(outp, "pc3: %016llX\n", p->pc3);
652
		if (DO_BIC(BIC_Pkgpc6))
653
			outp += sprintf(outp, "pc6: %016llX\n", p->pc6);
654
		if (DO_BIC(BIC_Pkgpc7))
655
			outp += sprintf(outp, "pc7: %016llX\n", p->pc7);
656 657 658 659 660 661 662 663 664 665 666 667
		outp += sprintf(outp, "pc8: %016llX\n", p->pc8);
		outp += sprintf(outp, "pc9: %016llX\n", p->pc9);
		outp += sprintf(outp, "pc10: %016llX\n", p->pc10);
		outp += sprintf(outp, "Joules PKG: %0X\n", p->energy_pkg);
		outp += sprintf(outp, "Joules COR: %0X\n", p->energy_cores);
		outp += sprintf(outp, "Joules GFX: %0X\n", p->energy_gfx);
		outp += sprintf(outp, "Joules RAM: %0X\n", p->energy_dram);
		outp += sprintf(outp, "Throttle PKG: %0X\n",
			p->rapl_pkg_perf_status);
		outp += sprintf(outp, "Throttle RAM: %0X\n",
			p->rapl_dram_perf_status);
		outp += sprintf(outp, "PTM: %dC\n", p->pkg_temp_c);
668 669 670 671 672

		for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
			outp += sprintf(outp, "pADDED [%d] msr0x%x: %08llX\n",
				i, mp->msr_num, p->counter[i]);
		}
673
	}
674 675 676

	outp += sprintf(outp, "\n");

677
	return 0;
L
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678 679
}

L
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680 681 682
/*
 * column formatting convention & formats
 */
683 684
int format_counters(struct thread_data *t, struct core_data *c,
	struct pkg_data *p)
L
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685
{
686
	double interval_float, tsc;
687
	char *fmt8;
688 689
	int i;
	struct msr_counter *mp;
L
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690

691 692 693 694 695 696 697 698
	 /* if showing only 1st thread in core and this isn't one, bail out */
	if (show_core_only && !(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
		return 0;

	 /* if showing only 1st thread in pkg and this isn't one, bail out */
	if (show_pkg_only && !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

L
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699 700
	interval_float = tv_delta.tv_sec + tv_delta.tv_usec/1000000.0;

701 702
	tsc = t->tsc * tsc_tweak;

703 704
	/* topo columns, print blanks on 1st (average) line */
	if (t == &average.threads) {
705
		if (DO_BIC(BIC_Package))
706
			outp += sprintf(outp, "\t-");
707
		if (DO_BIC(BIC_Core))
708
			outp += sprintf(outp, "\t-");
709
		if (DO_BIC(BIC_CPU))
710
			outp += sprintf(outp, "\t-");
L
Len Brown 已提交
711
	} else {
712
		if (DO_BIC(BIC_Package)) {
713
			if (p)
714
				outp += sprintf(outp, "\t%d", p->package_id);
715
			else
716
				outp += sprintf(outp, "\t-");
717
		}
718
		if (DO_BIC(BIC_Core)) {
719
			if (c)
720
				outp += sprintf(outp, "\t%d", c->core_id);
721
			else
722
				outp += sprintf(outp, "\t-");
723
		}
724
		if (DO_BIC(BIC_CPU))
725
			outp += sprintf(outp, "\t%d", t->cpu_id);
L
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726
	}
727

728
	if (DO_BIC(BIC_Avg_MHz))
729
		outp += sprintf(outp, "\t%.0f",
730 731
			1.0 / units * t->aperf / interval_float);

732
	if (DO_BIC(BIC_Busy))
733
		outp += sprintf(outp, "\t%.2f", 100.0 * t->mperf/tsc);
L
Len Brown 已提交
734

735
	if (DO_BIC(BIC_Bzy_MHz)) {
736
		if (has_base_hz)
737
			outp += sprintf(outp, "\t%.0f", base_hz / units * t->aperf / t->mperf);
738
		else
739
			outp += sprintf(outp, "\t%.0f",
740
				tsc / units * t->aperf / t->mperf / interval_float);
741
	}
L
Len Brown 已提交
742

743 744
	if (DO_BIC(BIC_TSC_MHz))
		outp += sprintf(outp, "\t%.0f", 1.0 * t->tsc/units/interval_float);
L
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745

746
	/* IRQ */
747
	if (DO_BIC(BIC_IRQ))
748
		outp += sprintf(outp, "\t%d", t->irq_count);
749

750
	/* SMI */
751
	if (DO_BIC(BIC_SMI))
752
		outp += sprintf(outp, "\t%d", t->smi_count);
753

754
	/* C1 */
755
	if (DO_BIC(BIC_CPU_c1))
756
		outp += sprintf(outp, "\t%.2f", 100.0 * t->c1/tsc);
757

758
	/* Added counters */
759 760 761 762 763 764 765
	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW) {
			if (mp->width == 32)
				outp += sprintf(outp, "\t0x%08lx", (unsigned long) t->counter[i]);
			else
				outp += sprintf(outp, "\t0x%016llx", t->counter[i]);
		} else if (mp->format == FORMAT_DELTA) {
766
			outp += sprintf(outp, "\t%lld", t->counter[i]);
767
		} else if (mp->format == FORMAT_PERCENT) {
768
			outp += sprintf(outp, "\t%.2f", 100.0 * t->counter[i]/tsc);
769 770 771
		}
	}

772 773 774 775
	/* print per-core data only for 1st thread in core */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
		goto done;

776
	if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates)
777
		outp += sprintf(outp, "\t%.2f", 100.0 * c->c3/tsc);
778
	if (DO_BIC(BIC_CPU_c6))
779
		outp += sprintf(outp, "\t%.2f", 100.0 * c->c6/tsc);
780
	if (DO_BIC(BIC_CPU_c7))
781
		outp += sprintf(outp, "\t%.2f", 100.0 * c->c7/tsc);
782

783 784
	/* Mod%c6 */
	if (DO_BIC(BIC_Mod_c6))
785
		outp += sprintf(outp, "\t%.2f", 100.0 * c->mc6_us / tsc);
786

787
	if (DO_BIC(BIC_CoreTmp))
788
		outp += sprintf(outp, "\t%d", c->core_temp_c);
789

790 791 792 793 794 795 796
	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW) {
			if (mp->width == 32)
				outp += sprintf(outp, "\t0x%08lx", (unsigned long) c->counter[i]);
			else
				outp += sprintf(outp, "\t0x%016llx", c->counter[i]);
		} else if (mp->format == FORMAT_DELTA) {
797
			outp += sprintf(outp, "\t%lld", c->counter[i]);
798
		} else if (mp->format == FORMAT_PERCENT) {
799
			outp += sprintf(outp, "\t%.2f", 100.0 * c->counter[i]/tsc);
800 801 802
		}
	}

803 804 805 806
	/* print per-package data only for 1st core in package */
	if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		goto done;

807
	/* PkgTmp */
808
	if (DO_BIC(BIC_PkgTmp))
809
		outp += sprintf(outp, "\t%d", p->pkg_temp_c);
810

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Len Brown 已提交
811
	/* GFXrc6 */
812
	if (DO_BIC(BIC_GFX_rc6)) {
813
		if (p->gfx_rc6_ms == -1) {	/* detect GFX counter reset */
814
			outp += sprintf(outp, "\t**.**");
815
		} else {
816
			outp += sprintf(outp, "\t%.2f",
817 818 819
				p->gfx_rc6_ms / 10.0 / interval_float);
		}
	}
L
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820

L
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821
	/* GFXMHz */
822
	if (DO_BIC(BIC_GFXMHz))
823
		outp += sprintf(outp, "\t%d", p->gfx_mhz);
L
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824

825 826
	/* Totl%C0, Any%C0 GFX%C0 CPUGFX% */
	if (do_skl_residency) {
827 828 829 830
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_wtd_core_c0/tsc);
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_any_core_c0/tsc);
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_any_gfxe_c0/tsc);
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pkg_both_core_gfxe_c0/tsc);
831 832
	}

833
	if (DO_BIC(BIC_Pkgpc2))
834
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc2/tsc);
835
	if (DO_BIC(BIC_Pkgpc3))
836
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc3/tsc);
837
	if (DO_BIC(BIC_Pkgpc6))
838
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc6/tsc);
839
	if (DO_BIC(BIC_Pkgpc7))
840
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc7/tsc);
841
	if (DO_BIC(BIC_Pkgpc8))
842
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc8/tsc);
843
	if (DO_BIC(BIC_Pkgpc9))
844
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc9/tsc);
845
	if (DO_BIC(BIC_Pkgpc10))
846
		outp += sprintf(outp, "\t%.2f", 100.0 * p->pc10/tsc);
847 848 849 850 851

	/*
 	 * If measurement interval exceeds minimum RAPL Joule Counter range,
 	 * indicate that results are suspect by printing "**" in fraction place.
 	 */
852
	if (interval_float < rapl_joule_counter_range)
853
		fmt8 = "\t%.2f";
854
	else
855
		fmt8 = "%6.0f**";
856

857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877
	if (DO_BIC(BIC_PkgWatt))
		outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units / interval_float);
	if (DO_BIC(BIC_CorWatt))
		outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units / interval_float);
	if (DO_BIC(BIC_GFXWatt))
		outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float);
	if (DO_BIC(BIC_RAMWatt))
		outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float);
	if (DO_BIC(BIC_Pkg_J))
		outp += sprintf(outp, fmt8, p->energy_pkg * rapl_energy_units);
	if (DO_BIC(BIC_Cor_J))
		outp += sprintf(outp, fmt8, p->energy_cores * rapl_energy_units);
	if (DO_BIC(BIC_GFX_J))
		outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units);
	if (DO_BIC(BIC_RAM_J))
		outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units);
	if (DO_BIC(BIC_PKG__))
		outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
	if (DO_BIC(BIC_RAM__))
		outp += sprintf(outp, fmt8, 100.0 * p->rapl_dram_perf_status * rapl_time_units / interval_float);

878 879 880 881 882 883 884
	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW) {
			if (mp->width == 32)
				outp += sprintf(outp, "\t0x%08lx", (unsigned long) p->counter[i]);
			else
				outp += sprintf(outp, "\t0x%016llx", p->counter[i]);
		} else if (mp->format == FORMAT_DELTA) {
885
			outp += sprintf(outp, "\t%lld", p->counter[i]);
886
		} else if (mp->format == FORMAT_PERCENT) {
887
			outp += sprintf(outp, "\t%.2f", 100.0 * p->counter[i]/tsc);
888 889 890
		}
	}

891 892 893 894
done:
	outp += sprintf(outp, "\n");

	return 0;
L
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895 896
}

897
void flush_output_stdout(void)
898
{
899 900 901 902 903 904 905 906 907 908
	FILE *filep;

	if (outf == stderr)
		filep = stdout;
	else
		filep = outf;

	fputs(output_buffer, filep);
	fflush(filep);

909 910
	outp = output_buffer;
}
911
void flush_output_stderr(void)
912
{
913 914
	fputs(output_buffer, outf);
	fflush(outf);
915 916 917
	outp = output_buffer;
}
void format_all_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
L
Len Brown 已提交
918
{
L
Len Brown 已提交
919
	static int printed;
L
Len Brown 已提交
920

L
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921 922
	if (!printed || !summary_only)
		print_header();
L
Len Brown 已提交
923

924 925 926
	if (topo.num_cpus > 1)
		format_counters(&average.threads, &average.cores,
			&average.packages);
L
Len Brown 已提交
927

L
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928 929 930 931 932
	printed = 1;

	if (summary_only)
		return;

933
	for_all_cpus(format_counters, t, c, p);
L
Len Brown 已提交
934 935
}

936 937 938 939 940 941 942
#define DELTA_WRAP32(new, old)			\
	if (new > old) {			\
		old = new - old;		\
	} else {				\
		old = 0x100000000 + new - old;	\
	}

943
int
944 945
delta_package(struct pkg_data *new, struct pkg_data *old)
{
946 947
	int i;
	struct msr_counter *mp;
948 949 950 951 952 953 954

	if (do_skl_residency) {
		old->pkg_wtd_core_c0 = new->pkg_wtd_core_c0 - old->pkg_wtd_core_c0;
		old->pkg_any_core_c0 = new->pkg_any_core_c0 - old->pkg_any_core_c0;
		old->pkg_any_gfxe_c0 = new->pkg_any_gfxe_c0 - old->pkg_any_gfxe_c0;
		old->pkg_both_core_gfxe_c0 = new->pkg_both_core_gfxe_c0 - old->pkg_both_core_gfxe_c0;
	}
955
	old->pc2 = new->pc2 - old->pc2;
956
	if (DO_BIC(BIC_Pkgpc3))
957
		old->pc3 = new->pc3 - old->pc3;
958
	if (DO_BIC(BIC_Pkgpc6))
959
		old->pc6 = new->pc6 - old->pc6;
960
	if (DO_BIC(BIC_Pkgpc7))
961
		old->pc7 = new->pc7 - old->pc7;
962 963 964
	old->pc8 = new->pc8 - old->pc8;
	old->pc9 = new->pc9 - old->pc9;
	old->pc10 = new->pc10 - old->pc10;
965 966
	old->pkg_temp_c = new->pkg_temp_c;

967 968 969 970 971 972
	/* flag an error when rc6 counter resets/wraps */
	if (old->gfx_rc6_ms >  new->gfx_rc6_ms)
		old->gfx_rc6_ms = -1;
	else
		old->gfx_rc6_ms = new->gfx_rc6_ms - old->gfx_rc6_ms;

L
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973 974
	old->gfx_mhz = new->gfx_mhz;

975 976 977 978 979 980
	DELTA_WRAP32(new->energy_pkg, old->energy_pkg);
	DELTA_WRAP32(new->energy_cores, old->energy_cores);
	DELTA_WRAP32(new->energy_gfx, old->energy_gfx);
	DELTA_WRAP32(new->energy_dram, old->energy_dram);
	DELTA_WRAP32(new->rapl_pkg_perf_status, old->rapl_pkg_perf_status);
	DELTA_WRAP32(new->rapl_dram_perf_status, old->rapl_dram_perf_status);
981

982 983 984 985 986 987 988
	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			old->counter[i] = new->counter[i];
		else
			old->counter[i] = new->counter[i] - old->counter[i];
	}

989
	return 0;
990
}
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991

992 993
void
delta_core(struct core_data *new, struct core_data *old)
L
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994
{
995 996 997
	int i;
	struct msr_counter *mp;

998 999 1000
	old->c3 = new->c3 - old->c3;
	old->c6 = new->c6 - old->c6;
	old->c7 = new->c7 - old->c7;
1001
	old->core_temp_c = new->core_temp_c;
1002
	old->mc6_us = new->mc6_us - old->mc6_us;
1003 1004 1005 1006 1007 1008 1009

	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			old->counter[i] = new->counter[i];
		else
			old->counter[i] = new->counter[i] - old->counter[i];
	}
1010
}
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1011

1012 1013 1014
/*
 * old = new - old
 */
1015
int
1016 1017 1018
delta_thread(struct thread_data *new, struct thread_data *old,
	struct core_data *core_delta)
{
1019 1020 1021
	int i;
	struct msr_counter *mp;

1022 1023 1024
	old->tsc = new->tsc - old->tsc;

	/* check for TSC < 1 Mcycles over interval */
1025 1026 1027 1028
	if (old->tsc < (1000 * 1000))
		errx(-3, "Insanely slow TSC rate, TSC stops in idle?\n"
		     "You can disable all c-states by booting with \"idle=poll\"\n"
		     "or just the deep ones with \"processor.max_cstate=1\"");
L
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1029

1030
	old->c1 = new->c1 - old->c1;
L
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1031

1032
	if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) {
1033 1034 1035 1036
		if ((new->aperf > old->aperf) && (new->mperf > old->mperf)) {
			old->aperf = new->aperf - old->aperf;
			old->mperf = new->mperf - old->mperf;
		} else {
1037
			return -1;
L
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1038
		}
1039
	}
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1040 1041


1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056
	if (use_c1_residency_msr) {
		/*
		 * Some models have a dedicated C1 residency MSR,
		 * which should be more accurate than the derivation below.
		 */
	} else {
		/*
		 * As counter collection is not atomic,
		 * it is possible for mperf's non-halted cycles + idle states
		 * to exceed TSC's all cycles: show c1 = 0% in that case.
		 */
		if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc)
			old->c1 = 0;
		else {
			/* normal case, derive c1 */
1057
			old->c1 = (old->tsc * tsc_tweak) - old->mperf - core_delta->c3
1058
				- core_delta->c6 - core_delta->c7;
1059
		}
1060
	}
1061

1062
	if (old->mperf == 0) {
1063 1064
		if (debug > 1)
			fprintf(outf, "cpu%d MPERF 0!\n", old->cpu_id);
1065
		old->mperf = 1;	/* divide by 0 protection */
L
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1066
	}
1067

1068
	if (DO_BIC(BIC_IRQ))
1069 1070
		old->irq_count = new->irq_count - old->irq_count;

1071
	if (DO_BIC(BIC_SMI))
1072
		old->smi_count = new->smi_count - old->smi_count;
1073

1074 1075 1076 1077 1078 1079
	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			old->counter[i] = new->counter[i];
		else
			old->counter[i] = new->counter[i] - old->counter[i];
	}
1080
	return 0;
1081 1082 1083 1084 1085 1086
}

int delta_cpu(struct thread_data *t, struct core_data *c,
	struct pkg_data *p, struct thread_data *t2,
	struct core_data *c2, struct pkg_data *p2)
{
1087 1088
	int retval = 0;

1089 1090 1091 1092 1093
	/* calculate core delta only for 1st thread in core */
	if (t->flags & CPU_IS_FIRST_THREAD_IN_CORE)
		delta_core(c, c2);

	/* always calculate thread delta */
1094 1095 1096
	retval = delta_thread(t, t2, c2);	/* c2 is core delta */
	if (retval)
		return retval;
1097 1098 1099

	/* calculate package delta only for 1st core in package */
	if (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)
1100
		retval = delta_package(p, p2);
1101

1102
	return retval;
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1103 1104
}

1105 1106
void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
1107 1108 1109
	int i;
	struct msr_counter  *mp;

1110 1111 1112 1113 1114
	t->tsc = 0;
	t->aperf = 0;
	t->mperf = 0;
	t->c1 = 0;

1115 1116 1117
	t->irq_count = 0;
	t->smi_count = 0;

1118 1119 1120 1121 1122 1123
	/* tells format_counters to dump all fields from this set */
	t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;

	c->c3 = 0;
	c->c6 = 0;
	c->c7 = 0;
1124
	c->mc6_us = 0;
1125
	c->core_temp_c = 0;
1126

1127 1128 1129 1130 1131
	p->pkg_wtd_core_c0 = 0;
	p->pkg_any_core_c0 = 0;
	p->pkg_any_gfxe_c0 = 0;
	p->pkg_both_core_gfxe_c0 = 0;

1132
	p->pc2 = 0;
1133
	if (DO_BIC(BIC_Pkgpc3))
1134
		p->pc3 = 0;
1135
	if (DO_BIC(BIC_Pkgpc6))
1136
		p->pc6 = 0;
1137
	if (DO_BIC(BIC_Pkgpc7))
1138
		p->pc7 = 0;
1139 1140 1141
	p->pc8 = 0;
	p->pc9 = 0;
	p->pc10 = 0;
1142 1143 1144 1145 1146 1147 1148 1149

	p->energy_pkg = 0;
	p->energy_dram = 0;
	p->energy_cores = 0;
	p->energy_gfx = 0;
	p->rapl_pkg_perf_status = 0;
	p->rapl_dram_perf_status = 0;
	p->pkg_temp_c = 0;
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1150

L
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1151
	p->gfx_rc6_ms = 0;
L
Len Brown 已提交
1152
	p->gfx_mhz = 0;
1153 1154 1155 1156 1157 1158 1159 1160
	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next)
		t->counter[i] = 0;

	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next)
		c->counter[i] = 0;

	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next)
		p->counter[i] = 0;
1161 1162 1163
}
int sum_counters(struct thread_data *t, struct core_data *c,
	struct pkg_data *p)
L
Len Brown 已提交
1164
{
1165 1166 1167
	int i;
	struct msr_counter *mp;

1168 1169 1170 1171
	average.threads.tsc += t->tsc;
	average.threads.aperf += t->aperf;
	average.threads.mperf += t->mperf;
	average.threads.c1 += t->c1;
L
Len Brown 已提交
1172

1173 1174 1175
	average.threads.irq_count += t->irq_count;
	average.threads.smi_count += t->smi_count;

1176 1177 1178 1179 1180 1181
	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			continue;
		average.threads.counter[i] += t->counter[i];
	}

1182 1183 1184
	/* sum per-core values only for 1st thread in core */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
		return 0;
L
Len Brown 已提交
1185

1186 1187 1188
	average.cores.c3 += c->c3;
	average.cores.c6 += c->c6;
	average.cores.c7 += c->c7;
1189
	average.cores.mc6_us += c->mc6_us;
1190

1191 1192
	average.cores.core_temp_c = MAX(average.cores.core_temp_c, c->core_temp_c);

1193 1194 1195 1196 1197 1198
	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			continue;
		average.cores.counter[i] += c->counter[i];
	}

1199 1200 1201 1202
	/* sum per-pkg values only for 1st core in pkg */
	if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

1203 1204 1205 1206 1207 1208 1209
	if (do_skl_residency) {
		average.packages.pkg_wtd_core_c0 += p->pkg_wtd_core_c0;
		average.packages.pkg_any_core_c0 += p->pkg_any_core_c0;
		average.packages.pkg_any_gfxe_c0 += p->pkg_any_gfxe_c0;
		average.packages.pkg_both_core_gfxe_c0 += p->pkg_both_core_gfxe_c0;
	}

1210
	average.packages.pc2 += p->pc2;
1211
	if (DO_BIC(BIC_Pkgpc3))
1212
		average.packages.pc3 += p->pc3;
1213
	if (DO_BIC(BIC_Pkgpc6))
1214
		average.packages.pc6 += p->pc6;
1215
	if (DO_BIC(BIC_Pkgpc7))
1216
		average.packages.pc7 += p->pc7;
1217 1218 1219
	average.packages.pc8 += p->pc8;
	average.packages.pc9 += p->pc9;
	average.packages.pc10 += p->pc10;
1220

1221 1222 1223 1224 1225
	average.packages.energy_pkg += p->energy_pkg;
	average.packages.energy_dram += p->energy_dram;
	average.packages.energy_cores += p->energy_cores;
	average.packages.energy_gfx += p->energy_gfx;

L
Len Brown 已提交
1226
	average.packages.gfx_rc6_ms = p->gfx_rc6_ms;
L
Len Brown 已提交
1227 1228
	average.packages.gfx_mhz = p->gfx_mhz;

1229 1230 1231 1232
	average.packages.pkg_temp_c = MAX(average.packages.pkg_temp_c, p->pkg_temp_c);

	average.packages.rapl_pkg_perf_status += p->rapl_pkg_perf_status;
	average.packages.rapl_dram_perf_status += p->rapl_dram_perf_status;
1233 1234 1235 1236 1237 1238

	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			continue;
		average.packages.counter[i] += p->counter[i];
	}
1239 1240 1241 1242 1243 1244 1245 1246 1247
	return 0;
}
/*
 * sum the counters for all cpus in the system
 * compute the weighted average
 */
void compute_average(struct thread_data *t, struct core_data *c,
	struct pkg_data *p)
{
1248 1249 1250
	int i;
	struct msr_counter *mp;

1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262
	clear_counters(&average.threads, &average.cores, &average.packages);

	for_all_cpus(sum_counters, t, c, p);

	average.threads.tsc /= topo.num_cpus;
	average.threads.aperf /= topo.num_cpus;
	average.threads.mperf /= topo.num_cpus;
	average.threads.c1 /= topo.num_cpus;

	average.cores.c3 /= topo.num_cores;
	average.cores.c6 /= topo.num_cores;
	average.cores.c7 /= topo.num_cores;
1263
	average.cores.mc6_us /= topo.num_cores;
1264

1265 1266 1267 1268 1269 1270 1271
	if (do_skl_residency) {
		average.packages.pkg_wtd_core_c0 /= topo.num_packages;
		average.packages.pkg_any_core_c0 /= topo.num_packages;
		average.packages.pkg_any_gfxe_c0 /= topo.num_packages;
		average.packages.pkg_both_core_gfxe_c0 /= topo.num_packages;
	}

1272
	average.packages.pc2 /= topo.num_packages;
1273
	if (DO_BIC(BIC_Pkgpc3))
1274
		average.packages.pc3 /= topo.num_packages;
1275
	if (DO_BIC(BIC_Pkgpc6))
1276
		average.packages.pc6 /= topo.num_packages;
1277
	if (DO_BIC(BIC_Pkgpc7))
1278
		average.packages.pc7 /= topo.num_packages;
1279 1280 1281 1282

	average.packages.pc8 /= topo.num_packages;
	average.packages.pc9 /= topo.num_packages;
	average.packages.pc10 /= topo.num_packages;
1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298

	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			continue;
		average.threads.counter[i] /= topo.num_cpus;
	}
	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			continue;
		average.cores.counter[i] /= topo.num_cores;
	}
	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
		if (mp->format == FORMAT_RAW)
			continue;
		average.packages.counter[i] /= topo.num_packages;
	}
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1299 1300
}

1301
static unsigned long long rdtsc(void)
L
Len Brown 已提交
1302
{
1303
	unsigned int low, high;
1304

1305
	asm volatile("rdtsc" : "=a" (low), "=d" (high));
1306

1307 1308
	return low | ((unsigned long long)high) << 32;
}
1309

1310 1311 1312 1313 1314 1315 1316 1317
/*
 * get_counters(...)
 * migrate to cpu
 * acquire and record local counters for that cpu
 */
int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	int cpu = t->cpu_id;
1318
	unsigned long long msr;
1319
	int aperf_mperf_retry_count = 0;
1320 1321
	struct msr_counter *mp;
	int i;
1322

1323
	if (cpu_migrate(cpu)) {
1324
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
1325
		return -1;
1326
	}
1327

1328
retry:
1329 1330
	t->tsc = rdtsc();	/* we are running on local CPU of interest */

1331
	if (DO_BIC(BIC_Avg_MHz) || DO_BIC(BIC_Busy) || DO_BIC(BIC_Bzy_MHz)) {
1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355
		unsigned long long tsc_before, tsc_between, tsc_after, aperf_time, mperf_time;

		/*
		 * The TSC, APERF and MPERF must be read together for
		 * APERF/MPERF and MPERF/TSC to give accurate results.
		 *
		 * Unfortunately, APERF and MPERF are read by
		 * individual system call, so delays may occur
		 * between them.  If the time to read them
		 * varies by a large amount, we re-read them.
		 */

		/*
		 * This initial dummy APERF read has been seen to
		 * reduce jitter in the subsequent reads.
		 */

		if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
			return -3;

		t->tsc = rdtsc();	/* re-read close to APERF */

		tsc_before = t->tsc;

1356
		if (get_msr(cpu, MSR_IA32_APERF, &t->aperf))
1357
			return -3;
1358 1359 1360

		tsc_between = rdtsc();

1361
		if (get_msr(cpu, MSR_IA32_MPERF, &t->mperf))
1362
			return -4;
1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382

		tsc_after = rdtsc();

		aperf_time = tsc_between - tsc_before;
		mperf_time = tsc_after - tsc_between;

		/*
		 * If the system call latency to read APERF and MPERF
		 * differ by more than 2x, then try again.
		 */
		if ((aperf_time > (2 * mperf_time)) || (mperf_time > (2 * aperf_time))) {
			aperf_mperf_retry_count++;
			if (aperf_mperf_retry_count < 5)
				goto retry;
			else
				warnx("cpu%d jitter %lld %lld",
					cpu, aperf_time, mperf_time);
		}
		aperf_mperf_retry_count = 0;

1383 1384
		t->aperf = t->aperf * aperf_mperf_multiplier;
		t->mperf = t->mperf * aperf_mperf_multiplier;
1385 1386
	}

1387
	if (DO_BIC(BIC_IRQ))
1388
		t->irq_count = irqs_per_cpu[cpu];
1389
	if (DO_BIC(BIC_SMI)) {
1390 1391 1392 1393
		if (get_msr(cpu, MSR_SMI_COUNT, &msr))
			return -5;
		t->smi_count = msr & 0xFFFFFFFF;
	}
1394
	if (DO_BIC(BIC_CPU_c1) && use_c1_residency_msr) {
1395 1396 1397 1398
		if (get_msr(cpu, MSR_CORE_C1_RES, &t->c1))
			return -6;
	}

1399 1400 1401 1402 1403 1404
	for (i = 0, mp = sys.tp; mp; i++, mp = mp->next) {
		if (get_msr(cpu, mp->msr_num, &t->counter[i]))
			return -10;
	}


1405 1406 1407 1408
	/* collect core counters only for 1st thread in core */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
		return 0;

1409
	if (DO_BIC(BIC_CPU_c3) && !do_slm_cstates && !do_knl_cstates) {
1410 1411
		if (get_msr(cpu, MSR_CORE_C3_RESIDENCY, &c->c3))
			return -6;
1412 1413
	}

1414
	if (DO_BIC(BIC_CPU_c6) && !do_knl_cstates) {
1415 1416
		if (get_msr(cpu, MSR_CORE_C6_RESIDENCY, &c->c6))
			return -7;
1417 1418 1419
	} else if (do_knl_cstates) {
		if (get_msr(cpu, MSR_KNL_CORE_C6_RESIDENCY, &c->c6))
			return -7;
1420 1421
	}

1422
	if (DO_BIC(BIC_CPU_c7))
1423 1424 1425
		if (get_msr(cpu, MSR_CORE_C7_RESIDENCY, &c->c7))
			return -8;

1426 1427 1428 1429
	if (DO_BIC(BIC_Mod_c6))
		if (get_msr(cpu, MSR_MODULE_C6_RES_MS, &c->mc6_us))
			return -8;

1430
	if (DO_BIC(BIC_CoreTmp)) {
1431 1432 1433 1434 1435
		if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
			return -9;
		c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
	}

1436 1437 1438 1439
	for (i = 0, mp = sys.cp; mp; i++, mp = mp->next) {
		if (get_msr(cpu, mp->msr_num, &c->counter[i]))
			return -10;
	}
1440

1441 1442 1443 1444
	/* collect package counters only for 1st core in package */
	if (!(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

1445 1446 1447 1448 1449 1450 1451 1452 1453 1454
	if (do_skl_residency) {
		if (get_msr(cpu, MSR_PKG_WEIGHTED_CORE_C0_RES, &p->pkg_wtd_core_c0))
			return -10;
		if (get_msr(cpu, MSR_PKG_ANY_CORE_C0_RES, &p->pkg_any_core_c0))
			return -11;
		if (get_msr(cpu, MSR_PKG_ANY_GFXE_C0_RES, &p->pkg_any_gfxe_c0))
			return -12;
		if (get_msr(cpu, MSR_PKG_BOTH_CORE_GFXE_C0_RES, &p->pkg_both_core_gfxe_c0))
			return -13;
	}
1455
	if (DO_BIC(BIC_Pkgpc3))
1456 1457
		if (get_msr(cpu, MSR_PKG_C3_RESIDENCY, &p->pc3))
			return -9;
1458
	if (DO_BIC(BIC_Pkgpc6)) {
1459 1460 1461 1462 1463 1464 1465 1466 1467
		if (do_slm_cstates) {
			if (get_msr(cpu, MSR_ATOM_PKG_C6_RESIDENCY, &p->pc6))
				return -10;
		} else {
			if (get_msr(cpu, MSR_PKG_C6_RESIDENCY, &p->pc6))
				return -10;
		}
	}

1468
	if (DO_BIC(BIC_Pkgpc2))
1469 1470
		if (get_msr(cpu, MSR_PKG_C2_RESIDENCY, &p->pc2))
			return -11;
1471
	if (DO_BIC(BIC_Pkgpc7))
1472 1473
		if (get_msr(cpu, MSR_PKG_C7_RESIDENCY, &p->pc7))
			return -12;
1474
	if (DO_BIC(BIC_Pkgpc8))
1475 1476
		if (get_msr(cpu, MSR_PKG_C8_RESIDENCY, &p->pc8))
			return -13;
1477
	if (DO_BIC(BIC_Pkgpc9))
1478 1479
		if (get_msr(cpu, MSR_PKG_C9_RESIDENCY, &p->pc9))
			return -13;
1480
	if (DO_BIC(BIC_Pkgpc10))
1481 1482
		if (get_msr(cpu, MSR_PKG_C10_RESIDENCY, &p->pc10))
			return -13;
1483

1484 1485 1486 1487 1488
	if (do_rapl & RAPL_PKG) {
		if (get_msr(cpu, MSR_PKG_ENERGY_STATUS, &msr))
			return -13;
		p->energy_pkg = msr & 0xFFFFFFFF;
	}
1489
	if (do_rapl & RAPL_CORES_ENERGY_STATUS) {
1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513
		if (get_msr(cpu, MSR_PP0_ENERGY_STATUS, &msr))
			return -14;
		p->energy_cores = msr & 0xFFFFFFFF;
	}
	if (do_rapl & RAPL_DRAM) {
		if (get_msr(cpu, MSR_DRAM_ENERGY_STATUS, &msr))
			return -15;
		p->energy_dram = msr & 0xFFFFFFFF;
	}
	if (do_rapl & RAPL_GFX) {
		if (get_msr(cpu, MSR_PP1_ENERGY_STATUS, &msr))
			return -16;
		p->energy_gfx = msr & 0xFFFFFFFF;
	}
	if (do_rapl & RAPL_PKG_PERF_STATUS) {
		if (get_msr(cpu, MSR_PKG_PERF_STATUS, &msr))
			return -16;
		p->rapl_pkg_perf_status = msr & 0xFFFFFFFF;
	}
	if (do_rapl & RAPL_DRAM_PERF_STATUS) {
		if (get_msr(cpu, MSR_DRAM_PERF_STATUS, &msr))
			return -16;
		p->rapl_dram_perf_status = msr & 0xFFFFFFFF;
	}
1514
	if (DO_BIC(BIC_PkgTmp)) {
1515 1516 1517 1518
		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
			return -17;
		p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
	}
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1519

1520
	if (DO_BIC(BIC_GFX_rc6))
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1521 1522
		p->gfx_rc6_ms = gfx_cur_rc6_ms;

1523
	if (DO_BIC(BIC_GFXMHz))
L
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1524 1525
		p->gfx_mhz = gfx_cur_mhz;

1526 1527 1528 1529 1530
	for (i = 0, mp = sys.pp; mp; i++, mp = mp->next) {
		if (get_msr(cpu, mp->msr_num, &p->counter[i]))
			return -10;
	}

1531
	return 0;
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1532 1533
}

1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551
/*
 * MSR_PKG_CST_CONFIG_CONTROL decoding for pkg_cstate_limit:
 * If you change the values, note they are used both in comparisons
 * (>= PCL__7) and to index pkg_cstate_limit_strings[].
 */

#define PCLUKN 0 /* Unknown */
#define PCLRSV 1 /* Reserved */
#define PCL__0 2 /* PC0 */
#define PCL__1 3 /* PC1 */
#define PCL__2 4 /* PC2 */
#define PCL__3 5 /* PC3 */
#define PCL__4 6 /* PC4 */
#define PCL__6 7 /* PC6 */
#define PCL_6N 8 /* PC6 No Retention */
#define PCL_6R 9 /* PC6 Retention */
#define PCL__7 10 /* PC7 */
#define PCL_7S 11 /* PC7 Shrink */
1552 1553 1554
#define PCL__8 12 /* PC8 */
#define PCL__9 13 /* PC9 */
#define PCLUNL 14 /* Unlimited */
1555 1556 1557

int pkg_cstate_limit = PCLUKN;
char *pkg_cstate_limit_strings[] = { "reserved", "unknown", "pc0", "pc1", "pc2",
1558
	"pc3", "pc4", "pc6", "pc6n", "pc6r", "pc7", "pc7s", "pc8", "pc9", "unlimited"};
1559

1560 1561 1562
int nhm_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCL__3, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
int snb_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCL__7, PCL_7S, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
int hsw_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL__3, PCL__6, PCL__7, PCL_7S, PCL__8, PCL__9, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1563
int slv_pkg_cstate_limits[16] = {PCL__0, PCL__1, PCLRSV, PCLRSV, PCL__4, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7};
1564
int amt_pkg_cstate_limits[16] = {PCLUNL, PCL__1, PCL__2, PCLRSV, PCLRSV, PCLRSV, PCL__6, PCL__7, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1565
int phi_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1566
int bxt_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1567
int skx_pkg_cstate_limits[16] = {PCL__0, PCL__2, PCL_6N, PCL_6R, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLUNL, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV, PCLRSV};
1568

1569 1570 1571 1572 1573 1574 1575

static void
calculate_tsc_tweak()
{
	tsc_tweak = base_hz / tsc_hz;
}

1576 1577
static void
dump_nhm_platform_info(void)
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1578 1579 1580 1581
{
	unsigned long long msr;
	unsigned int ratio;

1582
	get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
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1583

1584
	fprintf(outf, "cpu%d: MSR_PLATFORM_INFO: 0x%08llx\n", base_cpu, msr);
1585

L
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1586
	ratio = (msr >> 40) & 0xFF;
1587
	fprintf(outf, "%d * %.1f = %.1f MHz max efficiency frequency\n",
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1588 1589 1590
		ratio, bclk, ratio * bclk);

	ratio = (msr >> 8) & 0xFF;
1591
	fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n",
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1592 1593
		ratio, bclk, ratio * bclk);

1594
	get_msr(base_cpu, MSR_IA32_POWER_CTL, &msr);
1595
	fprintf(outf, "cpu%d: MSR_IA32_POWER_CTL: 0x%08llx (C1E auto-promotion: %sabled)\n",
1596
		base_cpu, msr, msr & 0x2 ? "EN" : "DIS");
1597

1598 1599 1600 1601 1602 1603 1604 1605 1606
	return;
}

static void
dump_hsw_turbo_ratio_limits(void)
{
	unsigned long long msr;
	unsigned int ratio;

1607
	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT2, &msr);
1608

1609
	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT2: 0x%08llx\n", base_cpu, msr);
1610 1611 1612

	ratio = (msr >> 8) & 0xFF;
	if (ratio)
1613
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 18 active cores\n",
1614 1615 1616 1617
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 0) & 0xFF;
	if (ratio)
1618
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 17 active cores\n",
1619 1620 1621 1622 1623 1624 1625 1626 1627
			ratio, bclk, ratio * bclk);
	return;
}

static void
dump_ivt_turbo_ratio_limits(void)
{
	unsigned long long msr;
	unsigned int ratio;
1628

1629
	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &msr);
1630

1631
	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, msr);
1632 1633 1634

	ratio = (msr >> 56) & 0xFF;
	if (ratio)
1635
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 16 active cores\n",
1636 1637 1638 1639
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 48) & 0xFF;
	if (ratio)
1640
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 15 active cores\n",
1641 1642 1643 1644
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 40) & 0xFF;
	if (ratio)
1645
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 14 active cores\n",
1646 1647 1648 1649
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 32) & 0xFF;
	if (ratio)
1650
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 13 active cores\n",
1651 1652 1653 1654
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 24) & 0xFF;
	if (ratio)
1655
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 12 active cores\n",
1656 1657 1658 1659
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 16) & 0xFF;
	if (ratio)
1660
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 11 active cores\n",
1661 1662 1663 1664
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 8) & 0xFF;
	if (ratio)
1665
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 10 active cores\n",
1666 1667 1668 1669
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 0) & 0xFF;
	if (ratio)
1670
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 9 active cores\n",
1671
			ratio, bclk, ratio * bclk);
1672 1673
	return;
}
1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687
int has_turbo_ratio_group_limits(int family, int model)
{

	if (!genuine_intel)
		return 0;

	switch (model) {
	case INTEL_FAM6_ATOM_GOLDMONT:
	case INTEL_FAM6_SKYLAKE_X:
	case INTEL_FAM6_ATOM_DENVERTON:
		return 1;
	}
	return 0;
}
1688

1689
static void
1690
dump_turbo_ratio_limits(int family, int model)
1691
{
1692 1693
	unsigned long long msr, core_counts;
	unsigned int ratio, group_size;
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1694

1695
	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
1696
	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n", base_cpu, msr);
1697

1698 1699 1700 1701 1702 1703 1704
	if (has_turbo_ratio_group_limits(family, model)) {
		get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT1, &core_counts);
		fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT1: 0x%08llx\n", base_cpu, core_counts);
	} else {
		core_counts = 0x0807060504030201;
	}

1705
	ratio = (msr >> 56) & 0xFF;
1706
	group_size = (core_counts >> 56) & 0xFF;
1707
	if (ratio)
1708 1709
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
1710 1711

	ratio = (msr >> 48) & 0xFF;
1712
	group_size = (core_counts >> 48) & 0xFF;
1713
	if (ratio)
1714 1715
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
1716 1717

	ratio = (msr >> 40) & 0xFF;
1718
	group_size = (core_counts >> 40) & 0xFF;
1719
	if (ratio)
1720 1721
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
1722 1723

	ratio = (msr >> 32) & 0xFF;
1724
	group_size = (core_counts >> 32) & 0xFF;
1725
	if (ratio)
1726 1727
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
1728

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1729
	ratio = (msr >> 24) & 0xFF;
1730
	group_size = (core_counts >> 24) & 0xFF;
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1731
	if (ratio)
1732 1733
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
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1734 1735

	ratio = (msr >> 16) & 0xFF;
1736
	group_size = (core_counts >> 16) & 0xFF;
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1737
	if (ratio)
1738 1739
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
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1740 1741

	ratio = (msr >> 8) & 0xFF;
1742
	group_size = (core_counts >> 8) & 0xFF;
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1743
	if (ratio)
1744 1745
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
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1746 1747

	ratio = (msr >> 0) & 0xFF;
1748
	group_size = (core_counts >> 0) & 0xFF;
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1749
	if (ratio)
1750 1751
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo %d active cores\n",
			ratio, bclk, ratio * bclk, group_size);
1752 1753
	return;
}
1754

1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802
static void
dump_atom_turbo_ratio_limits(void)
{
	unsigned long long msr;
	unsigned int ratio;

	get_msr(base_cpu, MSR_ATOM_CORE_RATIOS, &msr);
	fprintf(outf, "cpu%d: MSR_ATOM_CORE_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);

	ratio = (msr >> 0) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz minimum operating frequency\n",
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 8) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz low frequency mode (LFM)\n",
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 16) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz base frequency\n",
			ratio, bclk, ratio * bclk);

	get_msr(base_cpu, MSR_ATOM_CORE_TURBO_RATIOS, &msr);
	fprintf(outf, "cpu%d: MSR_ATOM_CORE_TURBO_RATIOS: 0x%08llx\n", base_cpu, msr & 0xFFFFFFFF);

	ratio = (msr >> 24) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 4 active cores\n",
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 16) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 3 active cores\n",
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 8) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 2 active cores\n",
			ratio, bclk, ratio * bclk);

	ratio = (msr >> 0) & 0x3F;
	if (ratio)
		fprintf(outf, "%d * %.1f = %.1f MHz max turbo 1 active core\n",
			ratio, bclk, ratio * bclk);
}

1803 1804 1805
static void
dump_knl_turbo_ratio_limits(void)
{
1806 1807
	const unsigned int buckets_no = 7;

1808
	unsigned long long msr;
1809 1810 1811 1812
	int delta_cores, delta_ratio;
	int i, b_nr;
	unsigned int cores[buckets_no];
	unsigned int ratio[buckets_no];
1813

1814
	get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
1815

1816
	fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n",
1817
		base_cpu, msr);
1818 1819 1820

	/**
	 * Turbo encoding in KNL is as follows:
1821 1822
	 * [0] -- Reserved
	 * [7:1] -- Base value of number of active cores of bucket 1.
1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840
	 * [15:8] -- Base value of freq ratio of bucket 1.
	 * [20:16] -- +ve delta of number of active cores of bucket 2.
	 * i.e. active cores of bucket 2 =
	 * active cores of bucket 1 + delta
	 * [23:21] -- Negative delta of freq ratio of bucket 2.
	 * i.e. freq ratio of bucket 2 =
	 * freq ratio of bucket 1 - delta
	 * [28:24]-- +ve delta of number of active cores of bucket 3.
	 * [31:29]-- -ve delta of freq ratio of bucket 3.
	 * [36:32]-- +ve delta of number of active cores of bucket 4.
	 * [39:37]-- -ve delta of freq ratio of bucket 4.
	 * [44:40]-- +ve delta of number of active cores of bucket 5.
	 * [47:45]-- -ve delta of freq ratio of bucket 5.
	 * [52:48]-- +ve delta of number of active cores of bucket 6.
	 * [55:53]-- -ve delta of freq ratio of bucket 6.
	 * [60:56]-- +ve delta of number of active cores of bucket 7.
	 * [63:61]-- -ve delta of freq ratio of bucket 7.
	 */
1841 1842 1843 1844 1845 1846

	b_nr = 0;
	cores[b_nr] = (msr & 0xFF) >> 1;
	ratio[b_nr] = (msr >> 8) & 0xFF;

	for (i = 16; i < 64; i += 8) {
1847
		delta_cores = (msr >> i) & 0x1F;
1848 1849 1850 1851 1852
		delta_ratio = (msr >> (i + 5)) & 0x7;

		cores[b_nr + 1] = cores[b_nr] + delta_cores;
		ratio[b_nr + 1] = ratio[b_nr] - delta_ratio;
		b_nr++;
1853
	}
1854 1855 1856

	for (i = buckets_no - 1; i >= 0; i--)
		if (i > 0 ? ratio[i] != ratio[i - 1] : 1)
1857
			fprintf(outf,
1858
				"%d * %.1f = %.1f MHz max turbo %d active cores\n",
1859
				ratio[i], bclk, ratio[i] * bclk, cores[i]);
1860 1861
}

1862 1863 1864 1865 1866
static void
dump_nhm_cst_cfg(void)
{
	unsigned long long msr;

1867
	get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
1868 1869 1870 1871

#define SNB_C1_AUTO_UNDEMOTE              (1UL << 27)
#define SNB_C3_AUTO_UNDEMOTE              (1UL << 28)

1872
	fprintf(outf, "cpu%d: MSR_PKG_CST_CONFIG_CONTROL: 0x%08llx", base_cpu, msr);
1873

1874
	fprintf(outf, " (%s%s%s%s%slocked: pkg-cstate-limit=%d: %s)\n",
1875 1876 1877 1878 1879
		(msr & SNB_C3_AUTO_UNDEMOTE) ? "UNdemote-C3, " : "",
		(msr & SNB_C1_AUTO_UNDEMOTE) ? "UNdemote-C1, " : "",
		(msr & NHM_C3_AUTO_DEMOTE) ? "demote-C3, " : "",
		(msr & NHM_C1_AUTO_DEMOTE) ? "demote-C1, " : "",
		(msr & (1 << 15)) ? "" : "UN",
1880
		(unsigned int)msr & 0xF,
1881 1882
		pkg_cstate_limit_strings[pkg_cstate_limit]);
	return;
L
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1883 1884
}

1885 1886 1887 1888 1889 1890
static void
dump_config_tdp(void)
{
	unsigned long long msr;

	get_msr(base_cpu, MSR_CONFIG_TDP_NOMINAL, &msr);
1891
	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_NOMINAL: 0x%08llx", base_cpu, msr);
1892
	fprintf(outf, " (base_ratio=%d)\n", (unsigned int)msr & 0xFF);
1893 1894

	get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_1, &msr);
1895
	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_1: 0x%08llx (", base_cpu, msr);
1896
	if (msr) {
1897 1898 1899 1900
		fprintf(outf, "PKG_MIN_PWR_LVL1=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
		fprintf(outf, "PKG_MAX_PWR_LVL1=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
		fprintf(outf, "LVL1_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
		fprintf(outf, "PKG_TDP_LVL1=%d", (unsigned int)(msr) & 0x7FFF);
1901
	}
1902
	fprintf(outf, ")\n");
1903 1904

	get_msr(base_cpu, MSR_CONFIG_TDP_LEVEL_2, &msr);
1905
	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_LEVEL_2: 0x%08llx (", base_cpu, msr);
1906
	if (msr) {
1907 1908 1909 1910
		fprintf(outf, "PKG_MIN_PWR_LVL2=%d ", (unsigned int)(msr >> 48) & 0x7FFF);
		fprintf(outf, "PKG_MAX_PWR_LVL2=%d ", (unsigned int)(msr >> 32) & 0x7FFF);
		fprintf(outf, "LVL2_RATIO=%d ", (unsigned int)(msr >> 16) & 0xFF);
		fprintf(outf, "PKG_TDP_LVL2=%d", (unsigned int)(msr) & 0x7FFF);
1911
	}
1912
	fprintf(outf, ")\n");
1913 1914

	get_msr(base_cpu, MSR_CONFIG_TDP_CONTROL, &msr);
1915
	fprintf(outf, "cpu%d: MSR_CONFIG_TDP_CONTROL: 0x%08llx (", base_cpu, msr);
1916
	if ((msr) & 0x3)
1917 1918 1919
		fprintf(outf, "TDP_LEVEL=%d ", (unsigned int)(msr) & 0x3);
	fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
	fprintf(outf, ")\n");
1920

1921
	get_msr(base_cpu, MSR_TURBO_ACTIVATION_RATIO, &msr);
1922
	fprintf(outf, "cpu%d: MSR_TURBO_ACTIVATION_RATIO: 0x%08llx (", base_cpu, msr);
1923
	fprintf(outf, "MAX_NON_TURBO_RATIO=%d", (unsigned int)(msr) & 0xFF);
1924 1925
	fprintf(outf, " lock=%d", (unsigned int)(msr >> 31) & 1);
	fprintf(outf, ")\n");
1926
}
1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967

unsigned int irtl_time_units[] = {1, 32, 1024, 32768, 1048576, 33554432, 0, 0 };

void print_irtl(void)
{
	unsigned long long msr;

	get_msr(base_cpu, MSR_PKGC3_IRTL, &msr);
	fprintf(outf, "cpu%d: MSR_PKGC3_IRTL: 0x%08llx (", base_cpu, msr);
	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);

	get_msr(base_cpu, MSR_PKGC6_IRTL, &msr);
	fprintf(outf, "cpu%d: MSR_PKGC6_IRTL: 0x%08llx (", base_cpu, msr);
	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);

	get_msr(base_cpu, MSR_PKGC7_IRTL, &msr);
	fprintf(outf, "cpu%d: MSR_PKGC7_IRTL: 0x%08llx (", base_cpu, msr);
	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);

	if (!do_irtl_hsw)
		return;

	get_msr(base_cpu, MSR_PKGC8_IRTL, &msr);
	fprintf(outf, "cpu%d: MSR_PKGC8_IRTL: 0x%08llx (", base_cpu, msr);
	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);

	get_msr(base_cpu, MSR_PKGC9_IRTL, &msr);
	fprintf(outf, "cpu%d: MSR_PKGC9_IRTL: 0x%08llx (", base_cpu, msr);
	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);

	get_msr(base_cpu, MSR_PKGC10_IRTL, &msr);
	fprintf(outf, "cpu%d: MSR_PKGC10_IRTL: 0x%08llx (", base_cpu, msr);
	fprintf(outf, "%svalid, %lld ns)\n", msr & (1 << 15) ? "" : "NOT",
		(msr & 0x3FF) * irtl_time_units[(msr >> 10) & 0x3]);

}
1968 1969 1970 1971
void free_fd_percpu(void)
{
	int i;

1972
	for (i = 0; i < topo.max_cpu_num + 1; ++i) {
1973 1974 1975 1976 1977
		if (fd_percpu[i] != 0)
			close(fd_percpu[i]);
	}

	free(fd_percpu);
1978 1979
}

1980
void free_all_buffers(void)
L
Len Brown 已提交
1981
{
1982 1983
	CPU_FREE(cpu_present_set);
	cpu_present_set = NULL;
1984
	cpu_present_setsize = 0;
L
Len Brown 已提交
1985

1986 1987 1988
	CPU_FREE(cpu_affinity_set);
	cpu_affinity_set = NULL;
	cpu_affinity_setsize = 0;
L
Len Brown 已提交
1989

1990 1991 1992
	free(thread_even);
	free(core_even);
	free(package_even);
L
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1993

1994 1995 1996
	thread_even = NULL;
	core_even = NULL;
	package_even = NULL;
L
Len Brown 已提交
1997

1998 1999 2000
	free(thread_odd);
	free(core_odd);
	free(package_odd);
L
Len Brown 已提交
2001

2002 2003 2004
	thread_odd = NULL;
	core_odd = NULL;
	package_odd = NULL;
L
Len Brown 已提交
2005

2006 2007 2008
	free(output_buffer);
	output_buffer = NULL;
	outp = NULL;
2009 2010

	free_fd_percpu();
2011 2012 2013

	free(irq_column_2_cpu);
	free(irqs_per_cpu);
L
Len Brown 已提交
2014 2015
}

2016 2017 2018 2019 2020
/*
 * Open a file, and exit on failure
 */
FILE *fopen_or_die(const char *path, const char *mode)
{
2021
	FILE *filep = fopen(path, mode);
2022 2023
	if (!filep)
		err(1, "%s: open failed", path);
2024 2025 2026
	return filep;
}

2027
/*
2028
 * Parse a file containing a single int.
2029
 */
2030
int parse_int_file(const char *fmt, ...)
L
Len Brown 已提交
2031
{
2032 2033
	va_list args;
	char path[PATH_MAX];
2034
	FILE *filep;
2035
	int value;
L
Len Brown 已提交
2036

2037 2038 2039
	va_start(args, fmt);
	vsnprintf(path, sizeof(path), fmt, args);
	va_end(args);
2040
	filep = fopen_or_die(path, "r");
2041 2042
	if (fscanf(filep, "%d", &value) != 1)
		err(1, "%s: failed to parse number from file", path);
2043
	fclose(filep);
2044 2045 2046 2047
	return value;
}

/*
2048 2049 2050
 * get_cpu_position_in_core(cpu)
 * return the position of the CPU among its HT siblings in the core
 * return -1 if the sibling is not in list
2051
 */
2052
int get_cpu_position_in_core(int cpu)
2053
{
2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082
	char path[64];
	FILE *filep;
	int this_cpu;
	char character;
	int i;

	sprintf(path,
		"/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list",
		cpu);
	filep = fopen(path, "r");
	if (filep == NULL) {
		perror(path);
		exit(1);
	}

	for (i = 0; i < topo.num_threads_per_core; i++) {
		fscanf(filep, "%d", &this_cpu);
		if (this_cpu == cpu) {
			fclose(filep);
			return i;
		}

		/* Account for no separator after last thread*/
		if (i != (topo.num_threads_per_core - 1))
			fscanf(filep, "%c", &character);
	}

	fclose(filep);
	return -1;
L
Len Brown 已提交
2083 2084
}

2085 2086 2087 2088 2089
/*
 * cpu_is_first_core_in_package(cpu)
 * return 1 if given CPU is 1st core in package
 */
int cpu_is_first_core_in_package(int cpu)
L
Len Brown 已提交
2090
{
2091
	return cpu == parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_siblings_list", cpu);
L
Len Brown 已提交
2092 2093 2094 2095
}

int get_physical_package_id(int cpu)
{
2096
	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
L
Len Brown 已提交
2097 2098 2099 2100
}

int get_core_id(int cpu)
{
2101
	return parse_int_file("/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
L
Len Brown 已提交
2102 2103
}

2104 2105 2106 2107
int get_num_ht_siblings(int cpu)
{
	char path[80];
	FILE *filep;
2108 2109
	int sib1;
	int matches = 0;
2110
	char character;
2111 2112
	char str[100];
	char *ch;
2113 2114

	sprintf(path, "/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", cpu);
2115
	filep = fopen_or_die(path, "r");
2116

2117 2118
	/*
	 * file format:
2119 2120
	 * A ',' separated or '-' separated set of numbers
	 * (eg 1-2 or 1,3,4,5)
2121
	 */
2122 2123 2124 2125 2126 2127 2128 2129
	fscanf(filep, "%d%c\n", &sib1, &character);
	fseek(filep, 0, SEEK_SET);
	fgets(str, 100, filep);
	ch = strchr(str, character);
	while (ch != NULL) {
		matches++;
		ch = strchr(ch+1, character);
	}
2130 2131

	fclose(filep);
2132
	return matches+1;
2133 2134
}

L
Len Brown 已提交
2135
/*
2136 2137
 * run func(thread, core, package) in topology order
 * skip non-present cpus
L
Len Brown 已提交
2138 2139
 */

2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183
int for_all_cpus_2(int (func)(struct thread_data *, struct core_data *,
	struct pkg_data *, struct thread_data *, struct core_data *,
	struct pkg_data *), struct thread_data *thread_base,
	struct core_data *core_base, struct pkg_data *pkg_base,
	struct thread_data *thread_base2, struct core_data *core_base2,
	struct pkg_data *pkg_base2)
{
	int retval, pkg_no, core_no, thread_no;

	for (pkg_no = 0; pkg_no < topo.num_packages; ++pkg_no) {
		for (core_no = 0; core_no < topo.num_cores_per_pkg; ++core_no) {
			for (thread_no = 0; thread_no <
				topo.num_threads_per_core; ++thread_no) {
				struct thread_data *t, *t2;
				struct core_data *c, *c2;
				struct pkg_data *p, *p2;

				t = GET_THREAD(thread_base, thread_no, core_no, pkg_no);

				if (cpu_is_not_present(t->cpu_id))
					continue;

				t2 = GET_THREAD(thread_base2, thread_no, core_no, pkg_no);

				c = GET_CORE(core_base, core_no, pkg_no);
				c2 = GET_CORE(core_base2, core_no, pkg_no);

				p = GET_PKG(pkg_base, pkg_no);
				p2 = GET_PKG(pkg_base2, pkg_no);

				retval = func(t, c, p, t2, c2, p2);
				if (retval)
					return retval;
			}
		}
	}
	return 0;
}

/*
 * run func(cpu) on every cpu in /proc/stat
 * return max_cpu number
 */
int for_all_proc_cpus(int (func)(int))
L
Len Brown 已提交
2184 2185
{
	FILE *fp;
2186
	int cpu_num;
L
Len Brown 已提交
2187 2188
	int retval;

2189
	fp = fopen_or_die(proc_stat, "r");
L
Len Brown 已提交
2190 2191

	retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
2192 2193
	if (retval != 0)
		err(1, "%s: failed to parse format", proc_stat);
L
Len Brown 已提交
2194

2195 2196
	while (1) {
		retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
L
Len Brown 已提交
2197 2198 2199
		if (retval != 1)
			break;

2200 2201 2202 2203 2204
		retval = func(cpu_num);
		if (retval) {
			fclose(fp);
			return(retval);
		}
L
Len Brown 已提交
2205 2206
	}
	fclose(fp);
2207
	return 0;
L
Len Brown 已提交
2208 2209 2210 2211
}

void re_initialize(void)
{
2212 2213 2214
	free_all_buffers();
	setup_all_buffers();
	printf("turbostat: re-initialized with num_cpus %d\n", topo.num_cpus);
L
Len Brown 已提交
2215 2216
}

2217

L
Len Brown 已提交
2218
/*
2219 2220
 * count_cpus()
 * remember the last one seen, it will be the max
L
Len Brown 已提交
2221
 */
2222
int count_cpus(int cpu)
L
Len Brown 已提交
2223
{
2224 2225
	if (topo.max_cpu_num < cpu)
		topo.max_cpu_num = cpu;
L
Len Brown 已提交
2226

2227 2228 2229 2230 2231 2232
	topo.num_cpus += 1;
	return 0;
}
int mark_cpu_present(int cpu)
{
	CPU_SET_S(cpu, cpu_present_setsize, cpu_present_set);
2233
	return 0;
L
Len Brown 已提交
2234 2235
}

2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298
/*
 * snapshot_proc_interrupts()
 *
 * read and record summary of /proc/interrupts
 *
 * return 1 if config change requires a restart, else return 0
 */
int snapshot_proc_interrupts(void)
{
	static FILE *fp;
	int column, retval;

	if (fp == NULL)
		fp = fopen_or_die("/proc/interrupts", "r");
	else
		rewind(fp);

	/* read 1st line of /proc/interrupts to get cpu* name for each column */
	for (column = 0; column < topo.num_cpus; ++column) {
		int cpu_number;

		retval = fscanf(fp, " CPU%d", &cpu_number);
		if (retval != 1)
			break;

		if (cpu_number > topo.max_cpu_num) {
			warn("/proc/interrupts: cpu%d: > %d", cpu_number, topo.max_cpu_num);
			return 1;
		}

		irq_column_2_cpu[column] = cpu_number;
		irqs_per_cpu[cpu_number] = 0;
	}

	/* read /proc/interrupt count lines and sum up irqs per cpu */
	while (1) {
		int column;
		char buf[64];

		retval = fscanf(fp, " %s:", buf);	/* flush irq# "N:" */
		if (retval != 1)
			break;

		/* read the count per cpu */
		for (column = 0; column < topo.num_cpus; ++column) {

			int cpu_number, irq_count;

			retval = fscanf(fp, " %d", &irq_count);
			if (retval != 1)
				break;

			cpu_number = irq_column_2_cpu[column];
			irqs_per_cpu[cpu_number] += irq_count;

		}

		while (getc(fp) != '\n')
			;	/* flush interrupt description */

	}
	return 0;
}
L
Len Brown 已提交
2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319 2320 2321
/*
 * snapshot_gfx_rc6_ms()
 *
 * record snapshot of
 * /sys/class/drm/card0/power/rc6_residency_ms
 *
 * return 1 if config change requires a restart, else return 0
 */
int snapshot_gfx_rc6_ms(void)
{
	FILE *fp;
	int retval;

	fp = fopen_or_die("/sys/class/drm/card0/power/rc6_residency_ms", "r");

	retval = fscanf(fp, "%lld", &gfx_cur_rc6_ms);
	if (retval != 1)
		err(1, "GFX rc6");

	fclose(fp);

	return 0;
}
L
Len Brown 已提交
2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345
/*
 * snapshot_gfx_mhz()
 *
 * record snapshot of
 * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz
 *
 * return 1 if config change requires a restart, else return 0
 */
int snapshot_gfx_mhz(void)
{
	static FILE *fp;
	int retval;

	if (fp == NULL)
		fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r");
	else
		rewind(fp);

	retval = fscanf(fp, "%d", &gfx_cur_mhz);
	if (retval != 1)
		err(1, "GFX MHz");

	return 0;
}
2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356

/*
 * snapshot /proc and /sys files
 *
 * return 1 if configuration restart needed, else return 0
 */
int snapshot_proc_sysfs_files(void)
{
	if (snapshot_proc_interrupts())
		return 1;

2357
	if (DO_BIC(BIC_GFX_rc6))
L
Len Brown 已提交
2358 2359
		snapshot_gfx_rc6_ms();

2360
	if (DO_BIC(BIC_GFXMHz))
L
Len Brown 已提交
2361 2362
		snapshot_gfx_mhz();

2363 2364 2365
	return 0;
}

L
Len Brown 已提交
2366 2367
void turbostat_loop()
{
2368
	int retval;
2369
	int restarted = 0;
2370

L
Len Brown 已提交
2371
restart:
2372 2373
	restarted++;

2374
	snapshot_proc_sysfs_files();
2375
	retval = for_all_cpus(get_counters, EVEN_COUNTERS);
2376 2377 2378
	if (retval < -1) {
		exit(retval);
	} else if (retval == -1) {
2379 2380 2381
		if (restarted > 1) {
			exit(retval);
		}
2382 2383 2384
		re_initialize();
		goto restart;
	}
2385
	restarted = 0;
L
Len Brown 已提交
2386 2387 2388
	gettimeofday(&tv_even, (struct timezone *)NULL);

	while (1) {
2389
		if (for_all_proc_cpus(cpu_is_not_present)) {
L
Len Brown 已提交
2390 2391 2392
			re_initialize();
			goto restart;
		}
2393
		nanosleep(&interval_ts, NULL);
2394 2395
		if (snapshot_proc_sysfs_files())
			goto restart;
2396
		retval = for_all_cpus(get_counters, ODD_COUNTERS);
2397 2398 2399
		if (retval < -1) {
			exit(retval);
		} else if (retval == -1) {
2400 2401 2402
			re_initialize();
			goto restart;
		}
L
Len Brown 已提交
2403 2404
		gettimeofday(&tv_odd, (struct timezone *)NULL);
		timersub(&tv_odd, &tv_even, &tv_delta);
2405 2406 2407 2408
		if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS)) {
			re_initialize();
			goto restart;
		}
2409 2410
		compute_average(EVEN_COUNTERS);
		format_all_counters(EVEN_COUNTERS);
2411
		flush_output_stdout();
2412
		nanosleep(&interval_ts, NULL);
2413 2414
		if (snapshot_proc_sysfs_files())
			goto restart;
2415
		retval = for_all_cpus(get_counters, EVEN_COUNTERS);
2416 2417 2418
		if (retval < -1) {
			exit(retval);
		} else if (retval == -1) {
L
Len Brown 已提交
2419 2420 2421 2422 2423
			re_initialize();
			goto restart;
		}
		gettimeofday(&tv_even, (struct timezone *)NULL);
		timersub(&tv_even, &tv_odd, &tv_delta);
2424 2425 2426 2427
		if (for_all_cpus_2(delta_cpu, EVEN_COUNTERS, ODD_COUNTERS)) {
			re_initialize();
			goto restart;
		}
2428 2429
		compute_average(ODD_COUNTERS);
		format_all_counters(ODD_COUNTERS);
2430
		flush_output_stdout();
L
Len Brown 已提交
2431 2432 2433 2434 2435 2436
	}
}

void check_dev_msr()
{
	struct stat sb;
2437
	char pathname[32];
L
Len Brown 已提交
2438

2439 2440
	sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
	if (stat(pathname, &sb))
2441 2442
 		if (system("/sbin/modprobe msr > /dev/null 2>&1"))
			err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
L
Len Brown 已提交
2443 2444
}

2445
void check_permissions()
L
Len Brown 已提交
2446
{
2447 2448 2449 2450 2451 2452
	struct __user_cap_header_struct cap_header_data;
	cap_user_header_t cap_header = &cap_header_data;
	struct __user_cap_data_struct cap_data_data;
	cap_user_data_t cap_data = &cap_data_data;
	extern int capget(cap_user_header_t hdrp, cap_user_data_t datap);
	int do_exit = 0;
2453
	char pathname[32];
2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467

	/* check for CAP_SYS_RAWIO */
	cap_header->pid = getpid();
	cap_header->version = _LINUX_CAPABILITY_VERSION;
	if (capget(cap_header, cap_data) < 0)
		err(-6, "capget(2) failed");

	if ((cap_data->effective & (1 << CAP_SYS_RAWIO)) == 0) {
		do_exit++;
		warnx("capget(CAP_SYS_RAWIO) failed,"
			" try \"# setcap cap_sys_rawio=ep %s\"", progname);
	}

	/* test file permissions */
2468 2469
	sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
	if (euidaccess(pathname, R_OK)) {
2470 2471 2472 2473 2474 2475 2476
		do_exit++;
		warn("/dev/cpu/0/msr open failed, try chown or chmod +r /dev/cpu/*/msr");
	}

	/* if all else fails, thell them to be root */
	if (do_exit)
		if (getuid() != 0)
2477
			warnx("... or simply run as root");
2478 2479 2480

	if (do_exit)
		exit(-6);
L
Len Brown 已提交
2481 2482
}

2483 2484 2485 2486 2487
/*
 * NHM adds support for additional MSRs:
 *
 * MSR_SMI_COUNT                   0x00000034
 *
2488
 * MSR_PLATFORM_INFO               0x000000ce
2489
 * MSR_PKG_CST_CONFIG_CONTROL     0x000000e2
2490
 *
2491 2492
 * MSR_MISC_PWR_MGMT               0x000001aa
 *
2493 2494 2495 2496 2497
 * MSR_PKG_C3_RESIDENCY            0x000003f8
 * MSR_PKG_C6_RESIDENCY            0x000003f9
 * MSR_CORE_C3_RESIDENCY           0x000003fc
 * MSR_CORE_C6_RESIDENCY           0x000003fd
 *
2498
 * Side effect:
2499
 * sets global pkg_cstate_limit to decode MSR_PKG_CST_CONFIG_CONTROL
2500
 * sets has_misc_feature_control
2501
 */
2502
int probe_nhm_msrs(unsigned int family, unsigned int model)
L
Len Brown 已提交
2503
{
2504
	unsigned long long msr;
2505
	unsigned int base_ratio;
2506 2507
	int *pkg_cstate_limits;

L
Len Brown 已提交
2508 2509 2510 2511 2512 2513
	if (!genuine_intel)
		return 0;

	if (family != 6)
		return 0;

2514 2515
	bclk = discover_bclk(family, model);

L
Len Brown 已提交
2516
	switch (model) {
2517 2518
	case INTEL_FAM6_NEHALEM_EP:	/* Core i7, Xeon 5500 series - Bloomfield, Gainstown NHM-EP */
	case INTEL_FAM6_NEHALEM:	/* Core i7 and i5 Processor - Clarksfield, Lynnfield, Jasper Forest */
L
Len Brown 已提交
2519
	case 0x1F:	/* Core i7 and i5 Processor - Nehalem */
2520 2521 2522 2523
	case INTEL_FAM6_WESTMERE:	/* Westmere Client - Clarkdale, Arrandale */
	case INTEL_FAM6_WESTMERE_EP:	/* Westmere EP - Gulftown */
	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
2524 2525
		pkg_cstate_limits = nhm_pkg_cstate_limits;
		break;
2526 2527 2528 2529
	case INTEL_FAM6_SANDYBRIDGE:	/* SNB */
	case INTEL_FAM6_SANDYBRIDGE_X:	/* SNB Xeon */
	case INTEL_FAM6_IVYBRIDGE:	/* IVB */
	case INTEL_FAM6_IVYBRIDGE_X:	/* IVB Xeon */
2530
		pkg_cstate_limits = snb_pkg_cstate_limits;
2531
		has_misc_feature_control = 1;
2532
		break;
2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544
	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
	case INTEL_FAM6_HASWELL_X:	/* HSX */
	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
	case INTEL_FAM6_BROADWELL_X:	/* BDX */
	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
2545
		pkg_cstate_limits = hsw_pkg_cstate_limits;
2546
		has_misc_feature_control = 1;
2547
		break;
2548 2549
	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
		pkg_cstate_limits = skx_pkg_cstate_limits;
2550
		has_misc_feature_control = 1;
2551
		break;
2552
	case INTEL_FAM6_ATOM_SILVERMONT1:	/* BYT */
2553
		no_MSR_MISC_PWR_MGMT = 1;
2554
	case INTEL_FAM6_ATOM_SILVERMONT2:	/* AVN */
2555 2556
		pkg_cstate_limits = slv_pkg_cstate_limits;
		break;
2557
	case INTEL_FAM6_ATOM_AIRMONT:	/* AMT */
2558
		pkg_cstate_limits = amt_pkg_cstate_limits;
2559
		no_MSR_MISC_PWR_MGMT = 1;
2560
		break;
2561
	case INTEL_FAM6_XEON_PHI_KNL:	/* PHI */
2562
	case INTEL_FAM6_XEON_PHI_KNM:
2563 2564
		pkg_cstate_limits = phi_pkg_cstate_limits;
		break;
2565
	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
2566
	case INTEL_FAM6_ATOM_GEMINI_LAKE:
2567
	case INTEL_FAM6_ATOM_DENVERTON:	/* DNV */
2568 2569
		pkg_cstate_limits = bxt_pkg_cstate_limits;
		break;
L
Len Brown 已提交
2570 2571 2572
	default:
		return 0;
	}
2573
	get_msr(base_cpu, MSR_PKG_CST_CONFIG_CONTROL, &msr);
2574
	pkg_cstate_limit = pkg_cstate_limits[msr & 0xF];
2575

2576
	get_msr(base_cpu, MSR_PLATFORM_INFO, &msr);
2577 2578 2579 2580
	base_ratio = (msr >> 8) & 0xFF;

	base_hz = base_ratio * bclk * 1000000;
	has_base_hz = 1;
2581
	return 1;
L
Len Brown 已提交
2582
}
2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602
/*
 * SLV client has supporet for unique MSRs:
 *
 * MSR_CC6_DEMOTION_POLICY_CONFIG
 * MSR_MC6_DEMOTION_POLICY_CONFIG
 */

int has_slv_msrs(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	switch (model) {
	case INTEL_FAM6_ATOM_SILVERMONT1:
	case INTEL_FAM6_ATOM_MERRIFIELD:
	case INTEL_FAM6_ATOM_MOOREFIELD:
		return 1;
	}
	return 0;
}
2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614
int is_dnv(unsigned int family, unsigned int model)
{

	if (!genuine_intel)
		return 0;

	switch (model) {
	case INTEL_FAM6_ATOM_DENVERTON:
		return 1;
	}
	return 0;
}
2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626
int is_skx(unsigned int family, unsigned int model)
{

	if (!genuine_intel)
		return 0;

	switch (model) {
	case INTEL_FAM6_SKYLAKE_X:
		return 1;
	}
	return 0;
}
2627

2628
int has_turbo_ratio_limit(unsigned int family, unsigned int model)
2629
{
2630 2631 2632
	if (has_slv_msrs(family, model))
		return 0;

2633 2634
	switch (model) {
	/* Nehalem compatible, but do not include turbo-ratio limit support */
2635 2636 2637
	case INTEL_FAM6_NEHALEM_EX:	/* Nehalem-EX Xeon - Beckton */
	case INTEL_FAM6_WESTMERE_EX:	/* Westmere-EX Xeon - Eagleton */
	case INTEL_FAM6_XEON_PHI_KNL:	/* PHI - Knights Landing (different MSR definition) */
2638
	case INTEL_FAM6_XEON_PHI_KNM:
2639 2640 2641 2642 2643
		return 0;
	default:
		return 1;
	}
}
2644 2645 2646 2647 2648 2649 2650
int has_atom_turbo_ratio_limit(unsigned int family, unsigned int model)
{
	if (has_slv_msrs(family, model))
		return 1;

	return 0;
}
2651 2652 2653 2654 2655 2656 2657 2658 2659
int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	if (family != 6)
		return 0;

	switch (model) {
2660 2661
	case INTEL_FAM6_IVYBRIDGE_X:	/* IVB Xeon */
	case INTEL_FAM6_HASWELL_X:	/* HSW Xeon */
2662 2663 2664 2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675
		return 1;
	default:
		return 0;
	}
}
int has_hsw_turbo_ratio_limit(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	if (family != 6)
		return 0;

	switch (model) {
2676
	case INTEL_FAM6_HASWELL_X:	/* HSW Xeon */
2677 2678 2679 2680 2681 2682
		return 1;
	default:
		return 0;
	}
}

2683 2684 2685 2686 2687 2688 2689 2690 2691
int has_knl_turbo_ratio_limit(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	if (family != 6)
		return 0;

	switch (model) {
2692
	case INTEL_FAM6_XEON_PHI_KNL:	/* Knights Landing */
2693
	case INTEL_FAM6_XEON_PHI_KNM:
2694 2695 2696 2697 2698
		return 1;
	default:
		return 0;
	}
}
2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714
int has_glm_turbo_ratio_limit(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	if (family != 6)
		return 0;

	switch (model) {
	case INTEL_FAM6_ATOM_GOLDMONT:
	case INTEL_FAM6_SKYLAKE_X:
		return 1;
	default:
		return 0;
	}
}
2715 2716 2717 2718 2719 2720 2721 2722 2723
int has_config_tdp(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	if (family != 6)
		return 0;

	switch (model) {
2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739
	case INTEL_FAM6_IVYBRIDGE:	/* IVB */
	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
	case INTEL_FAM6_HASWELL_X:	/* HSX */
	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
	case INTEL_FAM6_BROADWELL_X:	/* BDX */
	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
	case INTEL_FAM6_SKYLAKE_X:	/* SKX */

	case INTEL_FAM6_XEON_PHI_KNL:	/* Knights Landing */
2740
	case INTEL_FAM6_XEON_PHI_KNM:
2741 2742 2743 2744 2745 2746
		return 1;
	default:
		return 0;
	}
}

2747
static void
2748
dump_cstate_pstate_config_info(unsigned int family, unsigned int model)
2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760
{
	if (!do_nhm_platform_info)
		return;

	dump_nhm_platform_info();

	if (has_hsw_turbo_ratio_limit(family, model))
		dump_hsw_turbo_ratio_limits();

	if (has_ivt_turbo_ratio_limit(family, model))
		dump_ivt_turbo_ratio_limits();

2761 2762
	if (has_turbo_ratio_limit(family, model))
		dump_turbo_ratio_limits(family, model);
2763

2764 2765 2766
	if (has_atom_turbo_ratio_limit(family, model))
		dump_atom_turbo_ratio_limits();

2767 2768 2769
	if (has_knl_turbo_ratio_limit(family, model))
		dump_knl_turbo_ratio_limits();

2770 2771 2772
	if (has_config_tdp(family, model))
		dump_config_tdp();

2773 2774 2775 2776
	dump_nhm_cst_cfg();
}


2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796
/*
 * print_epb()
 * Decode the ENERGY_PERF_BIAS MSR
 */
int print_epb(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	unsigned long long msr;
	char *epb_string;
	int cpu;

	if (!has_epb)
		return 0;

	cpu = t->cpu_id;

	/* EPB is per-package */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

	if (cpu_migrate(cpu)) {
2797
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
2798 2799 2800 2801 2802 2803
		return -1;
	}

	if (get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr))
		return 0;

2804
	switch (msr & 0xF) {
2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817
	case ENERGY_PERF_BIAS_PERFORMANCE:
		epb_string = "performance";
		break;
	case ENERGY_PERF_BIAS_NORMAL:
		epb_string = "balanced";
		break;
	case ENERGY_PERF_BIAS_POWERSAVE:
		epb_string = "powersave";
		break;
	default:
		epb_string = "custom";
		break;
	}
2818
	fprintf(outf, "cpu%d: MSR_IA32_ENERGY_PERF_BIAS: 0x%08llx (%s)\n", cpu, msr, epb_string);
2819 2820 2821

	return 0;
}
2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840
/*
 * print_hwp()
 * Decode the MSR_HWP_CAPABILITIES
 */
int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	unsigned long long msr;
	int cpu;

	if (!has_hwp)
		return 0;

	cpu = t->cpu_id;

	/* MSR_HWP_CAPABILITIES is per-package */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

	if (cpu_migrate(cpu)) {
2841
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
2842 2843 2844 2845 2846 2847
		return -1;
	}

	if (get_msr(cpu, MSR_PM_ENABLE, &msr))
		return 0;

2848
	fprintf(outf, "cpu%d: MSR_PM_ENABLE: 0x%08llx (%sHWP)\n",
2849 2850 2851 2852 2853 2854 2855 2856 2857
		cpu, msr, (msr & (1 << 0)) ? "" : "No-");

	/* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */
	if ((msr & (1 << 0)) == 0)
		return 0;

	if (get_msr(cpu, MSR_HWP_CAPABILITIES, &msr))
		return 0;

2858
	fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx "
2859 2860 2861 2862 2863 2864 2865 2866 2867 2868
			"(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n",
			cpu, msr,
			(unsigned int)HWP_HIGHEST_PERF(msr),
			(unsigned int)HWP_GUARANTEED_PERF(msr),
			(unsigned int)HWP_MOSTEFFICIENT_PERF(msr),
			(unsigned int)HWP_LOWEST_PERF(msr));

	if (get_msr(cpu, MSR_HWP_REQUEST, &msr))
		return 0;

2869
	fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx "
2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882
			"(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n",
			cpu, msr,
			(unsigned int)(((msr) >> 0) & 0xff),
			(unsigned int)(((msr) >> 8) & 0xff),
			(unsigned int)(((msr) >> 16) & 0xff),
			(unsigned int)(((msr) >> 24) & 0xff),
			(unsigned int)(((msr) >> 32) & 0xff3),
			(unsigned int)(((msr) >> 42) & 0x1));

	if (has_hwp_pkg) {
		if (get_msr(cpu, MSR_HWP_REQUEST_PKG, &msr))
			return 0;

2883
		fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx "
2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895
			"(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n",
			cpu, msr,
			(unsigned int)(((msr) >> 0) & 0xff),
			(unsigned int)(((msr) >> 8) & 0xff),
			(unsigned int)(((msr) >> 16) & 0xff),
			(unsigned int)(((msr) >> 24) & 0xff),
			(unsigned int)(((msr) >> 32) & 0xff3));
	}
	if (has_hwp_notify) {
		if (get_msr(cpu, MSR_HWP_INTERRUPT, &msr))
			return 0;

2896
		fprintf(outf, "cpu%d: MSR_HWP_INTERRUPT: 0x%08llx "
2897 2898 2899 2900 2901 2902 2903 2904
			"(%s_Guaranteed_Perf_Change, %s_Excursion_Min)\n",
			cpu, msr,
			((msr) & 0x1) ? "EN" : "Dis",
			((msr) & 0x2) ? "EN" : "Dis");
	}
	if (get_msr(cpu, MSR_HWP_STATUS, &msr))
		return 0;

2905
	fprintf(outf, "cpu%d: MSR_HWP_STATUS: 0x%08llx "
2906 2907 2908 2909
			"(%sGuaranteed_Perf_Change, %sExcursion_Min)\n",
			cpu, msr,
			((msr) & 0x1) ? "" : "No-",
			((msr) & 0x2) ? "" : "No-");
2910 2911 2912 2913

	return 0;
}

2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928
/*
 * print_perf_limit()
 */
int print_perf_limit(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	unsigned long long msr;
	int cpu;

	cpu = t->cpu_id;

	/* per-package */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

	if (cpu_migrate(cpu)) {
2929
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
2930 2931 2932 2933 2934
		return -1;
	}

	if (do_core_perf_limit_reasons) {
		get_msr(cpu, MSR_CORE_PERF_LIMIT_REASONS, &msr);
2935 2936
		fprintf(outf, "cpu%d: MSR_CORE_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
		fprintf(outf, " (Active: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)",
2937
			(msr & 1 << 15) ? "bit15, " : "",
2938
			(msr & 1 << 14) ? "bit14, " : "",
2939 2940 2941 2942 2943 2944 2945 2946 2947 2948 2949 2950
			(msr & 1 << 13) ? "Transitions, " : "",
			(msr & 1 << 12) ? "MultiCoreTurbo, " : "",
			(msr & 1 << 11) ? "PkgPwrL2, " : "",
			(msr & 1 << 10) ? "PkgPwrL1, " : "",
			(msr & 1 << 9) ? "CorePwr, " : "",
			(msr & 1 << 8) ? "Amps, " : "",
			(msr & 1 << 6) ? "VR-Therm, " : "",
			(msr & 1 << 5) ? "Auto-HWP, " : "",
			(msr & 1 << 4) ? "Graphics, " : "",
			(msr & 1 << 2) ? "bit2, " : "",
			(msr & 1 << 1) ? "ThermStatus, " : "",
			(msr & 1 << 0) ? "PROCHOT, " : "");
2951
		fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s%s%s%s%s%s%s)\n",
2952
			(msr & 1 << 31) ? "bit31, " : "",
2953
			(msr & 1 << 30) ? "bit30, " : "",
2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965
			(msr & 1 << 29) ? "Transitions, " : "",
			(msr & 1 << 28) ? "MultiCoreTurbo, " : "",
			(msr & 1 << 27) ? "PkgPwrL2, " : "",
			(msr & 1 << 26) ? "PkgPwrL1, " : "",
			(msr & 1 << 25) ? "CorePwr, " : "",
			(msr & 1 << 24) ? "Amps, " : "",
			(msr & 1 << 22) ? "VR-Therm, " : "",
			(msr & 1 << 21) ? "Auto-HWP, " : "",
			(msr & 1 << 20) ? "Graphics, " : "",
			(msr & 1 << 18) ? "bit18, " : "",
			(msr & 1 << 17) ? "ThermStatus, " : "",
			(msr & 1 << 16) ? "PROCHOT, " : "");
2966 2967 2968 2969

	}
	if (do_gfx_perf_limit_reasons) {
		get_msr(cpu, MSR_GFX_PERF_LIMIT_REASONS, &msr);
2970 2971
		fprintf(outf, "cpu%d: MSR_GFX_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
		fprintf(outf, " (Active: %s%s%s%s%s%s%s%s)",
2972 2973 2974 2975 2976 2977 2978 2979
			(msr & 1 << 0) ? "PROCHOT, " : "",
			(msr & 1 << 1) ? "ThermStatus, " : "",
			(msr & 1 << 4) ? "Graphics, " : "",
			(msr & 1 << 6) ? "VR-Therm, " : "",
			(msr & 1 << 8) ? "Amps, " : "",
			(msr & 1 << 9) ? "GFXPwr, " : "",
			(msr & 1 << 10) ? "PkgPwrL1, " : "",
			(msr & 1 << 11) ? "PkgPwrL2, " : "");
2980
		fprintf(outf, " (Logged: %s%s%s%s%s%s%s%s)\n",
2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991
			(msr & 1 << 16) ? "PROCHOT, " : "",
			(msr & 1 << 17) ? "ThermStatus, " : "",
			(msr & 1 << 20) ? "Graphics, " : "",
			(msr & 1 << 22) ? "VR-Therm, " : "",
			(msr & 1 << 24) ? "Amps, " : "",
			(msr & 1 << 25) ? "GFXPwr, " : "",
			(msr & 1 << 26) ? "PkgPwrL1, " : "",
			(msr & 1 << 27) ? "PkgPwrL2, " : "");
	}
	if (do_ring_perf_limit_reasons) {
		get_msr(cpu, MSR_RING_PERF_LIMIT_REASONS, &msr);
2992 2993
		fprintf(outf, "cpu%d: MSR_RING_PERF_LIMIT_REASONS, 0x%08llx", cpu, msr);
		fprintf(outf, " (Active: %s%s%s%s%s%s)",
2994 2995 2996 2997 2998 2999
			(msr & 1 << 0) ? "PROCHOT, " : "",
			(msr & 1 << 1) ? "ThermStatus, " : "",
			(msr & 1 << 6) ? "VR-Therm, " : "",
			(msr & 1 << 8) ? "Amps, " : "",
			(msr & 1 << 10) ? "PkgPwrL1, " : "",
			(msr & 1 << 11) ? "PkgPwrL2, " : "");
3000
		fprintf(outf, " (Logged: %s%s%s%s%s%s)\n",
3001 3002 3003 3004 3005 3006 3007 3008 3009 3010
			(msr & 1 << 16) ? "PROCHOT, " : "",
			(msr & 1 << 17) ? "ThermStatus, " : "",
			(msr & 1 << 22) ? "VR-Therm, " : "",
			(msr & 1 << 24) ? "Amps, " : "",
			(msr & 1 << 26) ? "PkgPwrL1, " : "",
			(msr & 1 << 27) ? "PkgPwrL2, " : "");
	}
	return 0;
}

3011 3012 3013
#define	RAPL_POWER_GRANULARITY	0x7FFF	/* 15 bit power granularity */
#define	RAPL_TIME_GRANULARITY	0x3F /* 6 bit time granularity */

3014
double get_tdp(unsigned int model)
3015 3016 3017 3018
{
	unsigned long long msr;

	if (do_rapl & RAPL_PKG_POWER_INFO)
3019
		if (!get_msr(base_cpu, MSR_PKG_POWER_INFO, &msr))
3020 3021 3022
			return ((msr >> 0) & RAPL_POWER_GRANULARITY) * rapl_power_units;

	switch (model) {
3023 3024
	case INTEL_FAM6_ATOM_SILVERMONT1:
	case INTEL_FAM6_ATOM_SILVERMONT2:
3025 3026 3027 3028 3029 3030
		return 30.0;
	default:
		return 135.0;
	}
}

3031 3032 3033 3034 3035 3036 3037 3038 3039 3040
/*
 * rapl_dram_energy_units_probe()
 * Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
 */
static double
rapl_dram_energy_units_probe(int  model, double rapl_energy_units)
{
	/* only called for genuine_intel, family 6 */

	switch (model) {
3041 3042 3043 3044
	case INTEL_FAM6_HASWELL_X:	/* HSX */
	case INTEL_FAM6_BROADWELL_X:	/* BDX */
	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
3045
	case INTEL_FAM6_XEON_PHI_KNM:
3046 3047 3048 3049 3050 3051
		return (rapl_dram_energy_units = 15.3 / 1000000);
	default:
		return (rapl_energy_units);
	}
}

3052

3053 3054 3055
/*
 * rapl_probe()
 *
3056
 * sets do_rapl, rapl_power_units, rapl_energy_units, rapl_time_units
3057 3058 3059 3060
 */
void rapl_probe(unsigned int family, unsigned int model)
{
	unsigned long long msr;
3061
	unsigned int time_unit;
3062 3063 3064 3065 3066 3067 3068 3069 3070
	double tdp;

	if (!genuine_intel)
		return;

	if (family != 6)
		return;

	switch (model) {
3071 3072 3073 3074 3075 3076 3077
	case INTEL_FAM6_SANDYBRIDGE:
	case INTEL_FAM6_IVYBRIDGE:
	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
3078
		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_GFX | RAPL_PKG_POWER_INFO;
3079 3080 3081 3082 3083 3084 3085 3086 3087
		if (rapl_joules) {
			BIC_PRESENT(BIC_Pkg_J);
			BIC_PRESENT(BIC_Cor_J);
			BIC_PRESENT(BIC_GFX_J);
		} else {
			BIC_PRESENT(BIC_PkgWatt);
			BIC_PRESENT(BIC_CorWatt);
			BIC_PRESENT(BIC_GFXWatt);
		}
3088
		break;
3089
	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
3090
	case INTEL_FAM6_ATOM_GEMINI_LAKE:
3091
		do_rapl = RAPL_PKG | RAPL_PKG_POWER_INFO;
3092 3093 3094 3095
		if (rapl_joules)
			BIC_PRESENT(BIC_Pkg_J);
		else
			BIC_PRESENT(BIC_PkgWatt);
3096
		break;
3097 3098 3099 3100
	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
3101
		do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112
		BIC_PRESENT(BIC_PKG__);
		BIC_PRESENT(BIC_RAM__);
		if (rapl_joules) {
			BIC_PRESENT(BIC_Pkg_J);
			BIC_PRESENT(BIC_Cor_J);
			BIC_PRESENT(BIC_RAM_J);
		} else {
			BIC_PRESENT(BIC_PkgWatt);
			BIC_PRESENT(BIC_CorWatt);
			BIC_PRESENT(BIC_RAMWatt);
		}
3113
		break;
3114 3115 3116 3117 3118
	case INTEL_FAM6_HASWELL_X:	/* HSX */
	case INTEL_FAM6_BROADWELL_X:	/* BDX */
	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
3119
	case INTEL_FAM6_XEON_PHI_KNM:
3120
		do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO;
3121 3122 3123 3124 3125 3126 3127 3128 3129
		BIC_PRESENT(BIC_PKG__);
		BIC_PRESENT(BIC_RAM__);
		if (rapl_joules) {
			BIC_PRESENT(BIC_Pkg_J);
			BIC_PRESENT(BIC_RAM_J);
		} else {
			BIC_PRESENT(BIC_PkgWatt);
			BIC_PRESENT(BIC_RAMWatt);
		}
L
Len Brown 已提交
3130
		break;
3131 3132
	case INTEL_FAM6_SANDYBRIDGE_X:
	case INTEL_FAM6_IVYBRIDGE_X:
3133
		do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_PKG_PERF_STATUS | RAPL_DRAM_PERF_STATUS | RAPL_PKG_POWER_INFO;
3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144
		BIC_PRESENT(BIC_PKG__);
		BIC_PRESENT(BIC_RAM__);
		if (rapl_joules) {
			BIC_PRESENT(BIC_Pkg_J);
			BIC_PRESENT(BIC_Cor_J);
			BIC_PRESENT(BIC_RAM_J);
		} else {
			BIC_PRESENT(BIC_PkgWatt);
			BIC_PRESENT(BIC_CorWatt);
			BIC_PRESENT(BIC_RAMWatt);
		}
3145
		break;
3146 3147
	case INTEL_FAM6_ATOM_SILVERMONT1:	/* BYT */
	case INTEL_FAM6_ATOM_SILVERMONT2:	/* AVN */
3148
		do_rapl = RAPL_PKG | RAPL_CORES;
3149 3150 3151 3152 3153 3154 3155
		if (rapl_joules) {
			BIC_PRESENT(BIC_Pkg_J);
			BIC_PRESENT(BIC_Cor_J);
		} else {
			BIC_PRESENT(BIC_PkgWatt);
			BIC_PRESENT(BIC_CorWatt);
		}
3156
		break;
3157
	case INTEL_FAM6_ATOM_DENVERTON:	/* DNV */
3158
		do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_POWER_INFO | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO | RAPL_CORES_ENERGY_STATUS;
3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169
		BIC_PRESENT(BIC_PKG__);
		BIC_PRESENT(BIC_RAM__);
		if (rapl_joules) {
			BIC_PRESENT(BIC_Pkg_J);
			BIC_PRESENT(BIC_Cor_J);
			BIC_PRESENT(BIC_RAM_J);
		} else {
			BIC_PRESENT(BIC_PkgWatt);
			BIC_PRESENT(BIC_CorWatt);
			BIC_PRESENT(BIC_RAMWatt);
		}
3170
		break;
3171 3172 3173 3174 3175
	default:
		return;
	}

	/* units on package 0, verify later other packages match */
3176
	if (get_msr(base_cpu, MSR_RAPL_POWER_UNIT, &msr))
3177 3178 3179
		return;

	rapl_power_units = 1.0 / (1 << (msr & 0xF));
3180
	if (model == INTEL_FAM6_ATOM_SILVERMONT1)
3181 3182 3183
		rapl_energy_units = 1.0 * (1 << (msr >> 8 & 0x1F)) / 1000000;
	else
		rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
3184

3185 3186
	rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units);

3187 3188 3189
	time_unit = msr >> 16 & 0xF;
	if (time_unit == 0)
		time_unit = 0xA;
3190

3191
	rapl_time_units = 1.0 / (1 << (time_unit));
3192

3193
	tdp = get_tdp(model);
3194

3195
	rapl_joule_counter_range = 0xFFFFFFFF * rapl_energy_units / tdp;
3196
	if (!quiet)
3197
		fprintf(outf, "RAPL: %.0f sec. Joule Counter Range, at %.0f Watts\n", rapl_joule_counter_range, tdp);
3198 3199 3200 3201

	return;
}

3202
void perf_limit_reasons_probe(unsigned int family, unsigned int model)
3203 3204 3205 3206 3207 3208 3209 3210
{
	if (!genuine_intel)
		return;

	if (family != 6)
		return;

	switch (model) {
3211 3212 3213
	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
3214
		do_gfx_perf_limit_reasons = 1;
3215
	case INTEL_FAM6_HASWELL_X:	/* HSX */
3216 3217 3218 3219 3220 3221 3222
		do_core_perf_limit_reasons = 1;
		do_ring_perf_limit_reasons = 1;
	default:
		return;
	}
}

3223 3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234
int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	unsigned long long msr;
	unsigned int dts;
	int cpu;

	if (!(do_dts || do_ptm))
		return 0;

	cpu = t->cpu_id;

	/* DTS is per-core, no need to print for each thread */
3235
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
3236 3237 3238
		return 0;

	if (cpu_migrate(cpu)) {
3239
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
3240 3241 3242 3243 3244 3245 3246 3247
		return -1;
	}

	if (do_ptm && (t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE)) {
		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_STATUS, &msr))
			return 0;

		dts = (msr >> 16) & 0x7F;
3248
		fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n",
3249 3250 3251 3252 3253 3254 3255 3256
			cpu, msr, tcc_activation_temp - dts);

#ifdef	THERM_DEBUG
		if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr))
			return 0;

		dts = (msr >> 16) & 0x7F;
		dts2 = (msr >> 8) & 0x7F;
3257
		fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270
			cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
#endif
	}


	if (do_dts) {
		unsigned int resolution;

		if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr))
			return 0;

		dts = (msr >> 16) & 0x7F;
		resolution = (msr >> 27) & 0xF;
3271
		fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n",
3272 3273 3274 3275 3276 3277 3278 3279
			cpu, msr, tcc_activation_temp - dts, resolution);

#ifdef THERM_DEBUG
		if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr))
			return 0;

		dts = (msr >> 16) & 0x7F;
		dts2 = (msr >> 8) & 0x7F;
3280
		fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n",
3281 3282 3283 3284 3285 3286
			cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2);
#endif
	}

	return 0;
}
3287

3288 3289
void print_power_limit_msr(int cpu, unsigned long long msr, char *label)
{
3290
	fprintf(outf, "cpu%d: %s: %sabled (%f Watts, %f sec, clamp %sabled)\n",
3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313
		cpu, label,
		((msr >> 15) & 1) ? "EN" : "DIS",
		((msr >> 0) & 0x7FFF) * rapl_power_units,
		(1.0 + (((msr >> 22) & 0x3)/4.0)) * (1 << ((msr >> 17) & 0x1F)) * rapl_time_units,
		(((msr >> 16) & 1) ? "EN" : "DIS"));

	return;
}

int print_rapl(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	unsigned long long msr;
	int cpu;

	if (!do_rapl)
		return 0;

	/* RAPL counters are per package, so print only for 1st thread/package */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

	cpu = t->cpu_id;
	if (cpu_migrate(cpu)) {
3314
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
3315 3316 3317 3318 3319 3320
		return -1;
	}

	if (get_msr(cpu, MSR_RAPL_POWER_UNIT, &msr))
		return -1;

3321 3322 3323
	fprintf(outf, "cpu%d: MSR_RAPL_POWER_UNIT: 0x%08llx (%f Watts, %f Joules, %f sec.)\n", cpu, msr,
		rapl_power_units, rapl_energy_units, rapl_time_units);

3324 3325
	if (do_rapl & RAPL_PKG_POWER_INFO) {

3326 3327 3328 3329
		if (get_msr(cpu, MSR_PKG_POWER_INFO, &msr))
                	return -5;


3330
		fprintf(outf, "cpu%d: MSR_PKG_POWER_INFO: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
3331 3332 3333 3334 3335 3336
			cpu, msr,
			((msr >>  0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
			((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
			((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
			((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);

3337 3338 3339
	}
	if (do_rapl & RAPL_PKG) {

3340 3341 3342
		if (get_msr(cpu, MSR_PKG_POWER_LIMIT, &msr))
			return -9;

3343
		fprintf(outf, "cpu%d: MSR_PKG_POWER_LIMIT: 0x%08llx (%slocked)\n",
3344
			cpu, msr, (msr >> 63) & 1 ? "" : "UN");
3345 3346

		print_power_limit_msr(cpu, msr, "PKG Limit #1");
3347
		fprintf(outf, "cpu%d: PKG Limit #2: %sabled (%f Watts, %f* sec, clamp %sabled)\n",
3348 3349 3350 3351 3352 3353 3354
			cpu,
			((msr >> 47) & 1) ? "EN" : "DIS",
			((msr >> 32) & 0x7FFF) * rapl_power_units,
			(1.0 + (((msr >> 54) & 0x3)/4.0)) * (1 << ((msr >> 49) & 0x1F)) * rapl_time_units,
			((msr >> 48) & 1) ? "EN" : "DIS");
	}

3355
	if (do_rapl & RAPL_DRAM_POWER_INFO) {
3356 3357 3358
		if (get_msr(cpu, MSR_DRAM_POWER_INFO, &msr))
                	return -6;

3359
		fprintf(outf, "cpu%d: MSR_DRAM_POWER_INFO,: 0x%08llx (%.0f W TDP, RAPL %.0f - %.0f W, %f sec.)\n",
3360 3361 3362 3363 3364
			cpu, msr,
			((msr >>  0) & RAPL_POWER_GRANULARITY) * rapl_power_units,
			((msr >> 16) & RAPL_POWER_GRANULARITY) * rapl_power_units,
			((msr >> 32) & RAPL_POWER_GRANULARITY) * rapl_power_units,
			((msr >> 48) & RAPL_TIME_GRANULARITY) * rapl_time_units);
3365 3366
	}
	if (do_rapl & RAPL_DRAM) {
3367 3368
		if (get_msr(cpu, MSR_DRAM_POWER_LIMIT, &msr))
			return -9;
3369
		fprintf(outf, "cpu%d: MSR_DRAM_POWER_LIMIT: 0x%08llx (%slocked)\n",
3370
				cpu, msr, (msr >> 31) & 1 ? "" : "UN");
3371 3372 3373

		print_power_limit_msr(cpu, msr, "DRAM Limit");
	}
3374
	if (do_rapl & RAPL_CORE_POLICY) {
3375 3376
		if (get_msr(cpu, MSR_PP0_POLICY, &msr))
			return -7;
3377

3378
		fprintf(outf, "cpu%d: MSR_PP0_POLICY: %lld\n", cpu, msr & 0xF);
3379
	}
3380
	if (do_rapl & RAPL_CORES_POWER_LIMIT) {
3381 3382 3383 3384 3385
		if (get_msr(cpu, MSR_PP0_POWER_LIMIT, &msr))
			return -9;
		fprintf(outf, "cpu%d: MSR_PP0_POWER_LIMIT: 0x%08llx (%slocked)\n",
				cpu, msr, (msr >> 31) & 1 ? "" : "UN");
		print_power_limit_msr(cpu, msr, "Cores Limit");
3386 3387
	}
	if (do_rapl & RAPL_GFX) {
3388 3389
		if (get_msr(cpu, MSR_PP1_POLICY, &msr))
			return -8;
3390

3391
		fprintf(outf, "cpu%d: MSR_PP1_POLICY: %lld\n", cpu, msr & 0xF);
3392

3393 3394 3395 3396 3397
		if (get_msr(cpu, MSR_PP1_POWER_LIMIT, &msr))
			return -9;
		fprintf(outf, "cpu%d: MSR_PP1_POWER_LIMIT: 0x%08llx (%slocked)\n",
				cpu, msr, (msr >> 31) & 1 ? "" : "UN");
		print_power_limit_msr(cpu, msr, "GFX Limit");
3398 3399 3400 3401
	}
	return 0;
}

3402 3403 3404 3405 3406 3407 3408
/*
 * SNB adds support for additional MSRs:
 *
 * MSR_PKG_C7_RESIDENCY            0x000003fa
 * MSR_CORE_C7_RESIDENCY           0x000003fe
 * MSR_PKG_C2_RESIDENCY            0x0000060d
 */
L
Len Brown 已提交
3409

3410
int has_snb_msrs(unsigned int family, unsigned int model)
L
Len Brown 已提交
3411 3412 3413 3414 3415
{
	if (!genuine_intel)
		return 0;

	switch (model) {
3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433
	case INTEL_FAM6_SANDYBRIDGE:
	case INTEL_FAM6_SANDYBRIDGE_X:
	case INTEL_FAM6_IVYBRIDGE:	/* IVB */
	case INTEL_FAM6_IVYBRIDGE_X:	/* IVB Xeon */
	case INTEL_FAM6_HASWELL_CORE:	/* HSW */
	case INTEL_FAM6_HASWELL_X:	/* HSW */
	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
	case INTEL_FAM6_HASWELL_GT3E:	/* HSW */
	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
	case INTEL_FAM6_BROADWELL_GT3E:	/* BDW */
	case INTEL_FAM6_BROADWELL_X:	/* BDX */
	case INTEL_FAM6_BROADWELL_XEON_D:	/* BDX-DE */
	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
	case INTEL_FAM6_SKYLAKE_X:	/* SKX */
	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
3434
	case INTEL_FAM6_ATOM_GEMINI_LAKE:
3435
	case INTEL_FAM6_ATOM_DENVERTON:	/* DNV */
L
Len Brown 已提交
3436 3437 3438 3439 3440
		return 1;
	}
	return 0;
}

3441 3442 3443
/*
 * HSW adds support for additional MSRs:
 *
3444 3445 3446 3447 3448 3449 3450 3451
 * MSR_PKG_C8_RESIDENCY		0x00000630
 * MSR_PKG_C9_RESIDENCY		0x00000631
 * MSR_PKG_C10_RESIDENCY	0x00000632
 *
 * MSR_PKGC8_IRTL		0x00000633
 * MSR_PKGC9_IRTL		0x00000634
 * MSR_PKGC10_IRTL		0x00000635
 *
3452 3453
 */
int has_hsw_msrs(unsigned int family, unsigned int model)
3454 3455 3456 3457 3458
{
	if (!genuine_intel)
		return 0;

	switch (model) {
3459 3460 3461 3462 3463 3464 3465
	case INTEL_FAM6_HASWELL_ULT:	/* HSW */
	case INTEL_FAM6_BROADWELL_CORE:	/* BDW */
	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
	case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
3466
	case INTEL_FAM6_ATOM_GEMINI_LAKE:
3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485
		return 1;
	}
	return 0;
}

/*
 * SKL adds support for additional MSRS:
 *
 * MSR_PKG_WEIGHTED_CORE_C0_RES    0x00000658
 * MSR_PKG_ANY_CORE_C0_RES         0x00000659
 * MSR_PKG_ANY_GFXE_C0_RES         0x0000065A
 * MSR_PKG_BOTH_CORE_GFXE_C0_RES   0x0000065B
 */
int has_skl_msrs(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;

	switch (model) {
3486 3487 3488 3489
	case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
	case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
	case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
	case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
3490 3491 3492 3493 3494
		return 1;
	}
	return 0;
}

3495 3496 3497 3498 3499
int is_slm(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;
	switch (model) {
3500 3501
	case INTEL_FAM6_ATOM_SILVERMONT1:	/* BYT */
	case INTEL_FAM6_ATOM_SILVERMONT2:	/* AVN */
3502 3503 3504 3505 3506
		return 1;
	}
	return 0;
}

3507 3508 3509 3510 3511
int is_knl(unsigned int family, unsigned int model)
{
	if (!genuine_intel)
		return 0;
	switch (model) {
3512
	case INTEL_FAM6_XEON_PHI_KNL:	/* KNL */
3513
	case INTEL_FAM6_XEON_PHI_KNM:
3514 3515 3516 3517 3518
		return 1;
	}
	return 0;
}

3519 3520 3521 3522 3523 3524 3525
unsigned int get_aperf_mperf_multiplier(unsigned int family, unsigned int model)
{
	if (is_knl(family, model))
		return 1024;
	return 1;
}

3526 3527 3528 3529 3530 3531 3532 3533 3534
#define SLM_BCLK_FREQS 5
double slm_freq_table[SLM_BCLK_FREQS] = { 83.3, 100.0, 133.3, 116.7, 80.0};

double slm_bclk(void)
{
	unsigned long long msr = 3;
	unsigned int i;
	double freq;

3535
	if (get_msr(base_cpu, MSR_FSB_FREQ, &msr))
3536
		fprintf(outf, "SLM BCLK: unknown\n");
3537 3538 3539

	i = msr & 0xf;
	if (i >= SLM_BCLK_FREQS) {
3540
		fprintf(outf, "SLM BCLK[%d] invalid\n", i);
3541
		i = 3;
3542 3543 3544
	}
	freq = slm_freq_table[i];

3545
	if (!quiet)
3546
		fprintf(outf, "SLM BCLK: %.1f Mhz\n", freq);
3547 3548 3549 3550

	return freq;
}

L
Len Brown 已提交
3551 3552
double discover_bclk(unsigned int family, unsigned int model)
{
3553
	if (has_snb_msrs(family, model) || is_knl(family, model))
L
Len Brown 已提交
3554
		return 100.00;
3555 3556
	else if (is_slm(family, model))
		return slm_bclk();
L
Len Brown 已提交
3557 3558 3559 3560
	else
		return 133.33;
}

3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588
/*
 * MSR_IA32_TEMPERATURE_TARGET indicates the temperature where
 * the Thermal Control Circuit (TCC) activates.
 * This is usually equal to tjMax.
 *
 * Older processors do not have this MSR, so there we guess,
 * but also allow cmdline over-ride with -T.
 *
 * Several MSR temperature values are in units of degrees-C
 * below this value, including the Digital Thermal Sensor (DTS),
 * Package Thermal Management Sensor (PTM), and thermal event thresholds.
 */
int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
	unsigned long long msr;
	unsigned int target_c_local;
	int cpu;

	/* tcc_activation_temp is used only for dts or ptm */
	if (!(do_dts || do_ptm))
		return 0;

	/* this is a per-package concept */
	if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
		return 0;

	cpu = t->cpu_id;
	if (cpu_migrate(cpu)) {
3589
		fprintf(outf, "Could not migrate to CPU %d\n", cpu);
3590 3591 3592 3593 3594
		return -1;
	}

	if (tcc_activation_temp_override != 0) {
		tcc_activation_temp = tcc_activation_temp_override;
3595
		fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n",
3596 3597 3598 3599 3600
			cpu, tcc_activation_temp);
		return 0;
	}

	/* Temperature Target MSR is Nehalem and newer only */
3601
	if (!do_nhm_platform_info)
3602 3603
		goto guess;

3604
	if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
3605 3606
		goto guess;

3607
	target_c_local = (msr >> 16) & 0xFF;
3608

3609
	if (!quiet)
3610
		fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
3611 3612
			cpu, msr, target_c_local);

3613
	if (!target_c_local)
3614 3615 3616 3617 3618 3619 3620 3621
		goto guess;

	tcc_activation_temp = target_c_local;

	return 0;

guess:
	tcc_activation_temp = TJMAX_DEFAULT;
3622
	fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
3623 3624 3625 3626
		cpu, tcc_activation_temp);

	return 0;
}
3627

3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638
void decode_feature_control_msr(void)
{
	unsigned long long msr;

	if (!get_msr(base_cpu, MSR_IA32_FEATURE_CONTROL, &msr))
		fprintf(outf, "cpu%d: MSR_IA32_FEATURE_CONTROL: 0x%08llx (%sLocked %s)\n",
			base_cpu, msr,
			msr & FEATURE_CONTROL_LOCKED ? "" : "UN-",
			msr & (1 << 18) ? "SGX" : "");
}

3639 3640 3641 3642 3643
void decode_misc_enable_msr(void)
{
	unsigned long long msr;

	if (!get_msr(base_cpu, MSR_IA32_MISC_ENABLE, &msr))
3644
		fprintf(outf, "cpu%d: MSR_IA32_MISC_ENABLE: 0x%08llx (%sTCC %sEIST %sMWAIT %sPREFETCH %sTURBO)\n",
3645
			base_cpu, msr,
3646 3647 3648 3649 3650
			msr & MSR_IA32_MISC_ENABLE_TM1 ? "" : "No-",
			msr & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP ? "" : "No-",
			msr & MSR_IA32_MISC_ENABLE_MWAIT ? "No-" : "",
			msr & MSR_IA32_MISC_ENABLE_PREFETCH_DISABLE ? "No-" : "",
			msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE ? "No-" : "");
3651 3652
}

3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667
void decode_misc_feature_control(void)
{
	unsigned long long msr;

	if (!has_misc_feature_control)
		return;

	if (!get_msr(base_cpu, MSR_MISC_FEATURE_CONTROL, &msr))
		fprintf(outf, "cpu%d: MSR_MISC_FEATURE_CONTROL: 0x%08llx (%sL2-Prefetch %sL2-Prefetch-pair %sL1-Prefetch %sL1-IP-Prefetch)\n",
			base_cpu, msr,
			msr & (0 << 0) ? "No-" : "",
			msr & (1 << 0) ? "No-" : "",
			msr & (2 << 0) ? "No-" : "",
			msr & (3 << 0) ? "No-" : "");
}
3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681
/*
 * Decode MSR_MISC_PWR_MGMT
 *
 * Decode the bits according to the Nehalem documentation
 * bit[0] seems to continue to have same meaning going forward
 * bit[1] less so...
 */
void decode_misc_pwr_mgmt_msr(void)
{
	unsigned long long msr;

	if (!do_nhm_platform_info)
		return;

3682 3683 3684
	if (no_MSR_MISC_PWR_MGMT)
		return;

3685
	if (!get_msr(base_cpu, MSR_MISC_PWR_MGMT, &msr))
3686
		fprintf(outf, "cpu%d: MSR_MISC_PWR_MGMT: 0x%08llx (%sable-EIST_Coordination %sable-EPB %sable-OOB)\n",
3687 3688
			base_cpu, msr,
			msr & (1 << 0) ? "DIS" : "EN",
3689 3690
			msr & (1 << 1) ? "EN" : "DIS",
			msr & (1 << 8) ? "EN" : "DIS");
3691
}
3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709
/*
 * Decode MSR_CC6_DEMOTION_POLICY_CONFIG, MSR_MC6_DEMOTION_POLICY_CONFIG
 *
 * This MSRs are present on Silvermont processors,
 * Intel Atom processor E3000 series (Baytrail), and friends.
 */
void decode_c6_demotion_policy_msr(void)
{
	unsigned long long msr;

	if (!get_msr(base_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr))
		fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n",
			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");

	if (!get_msr(base_cpu, MSR_MC6_DEMOTION_POLICY_CONFIG, &msr))
		fprintf(outf, "cpu%d: MSR_MC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-MC6-Demotion)\n",
			base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
}
3710

3711
void process_cpuid()
L
Len Brown 已提交
3712
{
3713
	unsigned int eax, ebx, ecx, edx, max_level, max_extended_level;
L
Len Brown 已提交
3714
	unsigned int fms, family, model, stepping;
3715
	unsigned int has_turbo;
L
Len Brown 已提交
3716 3717 3718

	eax = ebx = ecx = edx = 0;

3719
	__cpuid(0, max_level, ebx, ecx, edx);
L
Len Brown 已提交
3720 3721 3722 3723

	if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
		genuine_intel = 1;

3724
	if (!quiet)
3725
		fprintf(outf, "CPUID(0): %.4s%.4s%.4s ",
L
Len Brown 已提交
3726 3727
			(char *)&ebx, (char *)&edx, (char *)&ecx);

3728
	__cpuid(1, fms, ebx, ecx, edx);
L
Len Brown 已提交
3729 3730 3731 3732 3733 3734
	family = (fms >> 8) & 0xf;
	model = (fms >> 4) & 0xf;
	stepping = fms & 0xf;
	if (family == 6 || family == 0xf)
		model += ((fms >> 16) & 0xf) << 4;

3735
	if (!quiet) {
3736
		fprintf(outf, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
L
Len Brown 已提交
3737
			max_level, family, model, stepping, family, model, stepping);
3738
		fprintf(outf, "CPUID(1): %s %s %s %s %s %s %s %s %s\n",
3739 3740
			ecx & (1 << 0) ? "SSE3" : "-",
			ecx & (1 << 3) ? "MONITOR" : "-",
3741
			ecx & (1 << 6) ? "SMX" : "-",
3742 3743 3744 3745 3746 3747 3748
			ecx & (1 << 7) ? "EIST" : "-",
			ecx & (1 << 8) ? "TM2" : "-",
			edx & (1 << 4) ? "TSC" : "-",
			edx & (1 << 5) ? "MSR" : "-",
			edx & (1 << 22) ? "ACPI-TM" : "-",
			edx & (1 << 29) ? "TM" : "-");
	}
L
Len Brown 已提交
3749

3750 3751
	if (!(edx & (1 << 5)))
		errx(1, "CPUID: no MSR");
L
Len Brown 已提交
3752 3753 3754 3755 3756 3757 3758

	/*
	 * check max extended function levels of CPUID.
	 * This is needed to check for invariant TSC.
	 * This check is valid for both Intel and AMD.
	 */
	ebx = ecx = edx = 0;
3759
	__cpuid(0x80000000, max_extended_level, ebx, ecx, edx);
L
Len Brown 已提交
3760

3761
	if (max_extended_level >= 0x80000007) {
L
Len Brown 已提交
3762

3763 3764 3765 3766
		/*
		 * Non-Stop TSC is advertised by CPUID.EAX=0x80000007: EDX.bit8
		 * this check is valid for both Intel and AMD
		 */
3767
		__cpuid(0x80000007, eax, ebx, ecx, edx);
3768 3769
		has_invariant_tsc = edx & (1 << 8);
	}
L
Len Brown 已提交
3770 3771 3772 3773 3774 3775

	/*
	 * APERF/MPERF is advertised by CPUID.EAX=0x6: ECX.bit0
	 * this check is valid for both Intel and AMD
	 */

3776
	__cpuid(0x6, eax, ebx, ecx, edx);
3777
	has_aperf = ecx & (1 << 0);
3778 3779 3780 3781 3782
	if (has_aperf) {
		BIC_PRESENT(BIC_Avg_MHz);
		BIC_PRESENT(BIC_Busy);
		BIC_PRESENT(BIC_Bzy_MHz);
	}
3783
	do_dts = eax & (1 << 0);
3784 3785
	if (do_dts)
		BIC_PRESENT(BIC_CoreTmp);
3786
	has_turbo = eax & (1 << 1);
3787
	do_ptm = eax & (1 << 6);
3788 3789
	if (do_ptm)
		BIC_PRESENT(BIC_PkgTmp);
3790 3791 3792 3793 3794
	has_hwp = eax & (1 << 7);
	has_hwp_notify = eax & (1 << 8);
	has_hwp_activity_window = eax & (1 << 9);
	has_hwp_epp = eax & (1 << 10);
	has_hwp_pkg = eax & (1 << 11);
3795 3796
	has_epb = ecx & (1 << 3);

3797
	if (!quiet)
3798
		fprintf(outf, "CPUID(6): %sAPERF, %sTURBO, %sDTS, %sPTM, %sHWP, "
3799 3800
			"%sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n",
			has_aperf ? "" : "No-",
3801
			has_turbo ? "" : "No-",
3802 3803 3804 3805 3806 3807 3808 3809
			do_dts ? "" : "No-",
			do_ptm ? "" : "No-",
			has_hwp ? "" : "No-",
			has_hwp_notify ? "" : "No-",
			has_hwp_activity_window ? "" : "No-",
			has_hwp_epp ? "" : "No-",
			has_hwp_pkg ? "" : "No-",
			has_epb ? "" : "No-");
L
Len Brown 已提交
3810

3811
	if (!quiet)
3812 3813
		decode_misc_enable_msr();

3814

3815
	if (max_level >= 0x7 && !quiet) {
3816
		int has_sgx;
L
Len Brown 已提交
3817

3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828
		ecx = 0;

		__cpuid_count(0x7, 0, eax, ebx, ecx, edx);

		has_sgx = ebx & (1 << 2);
		fprintf(outf, "CPUID(7): %sSGX\n", has_sgx ? "" : "No-");

		if (has_sgx)
			decode_feature_control_msr();
	}

3829
	if (max_level >= 0x15) {
3830 3831 3832 3833 3834 3835 3836
		unsigned int eax_crystal;
		unsigned int ebx_tsc;

		/*
		 * CPUID 15H TSC/Crystal ratio, possibly Crystal Hz
		 */
		eax_crystal = ebx_tsc = crystal_hz = edx = 0;
3837
		__cpuid(0x15, eax_crystal, ebx_tsc, crystal_hz, edx);
3838 3839 3840

		if (ebx_tsc != 0) {

3841
			if (!quiet && (ebx != 0))
3842
				fprintf(outf, "CPUID(0x15): eax_crystal: %d ebx_tsc: %d ecx_crystal_hz: %d\n",
3843 3844 3845 3846
					eax_crystal, ebx_tsc, crystal_hz);

			if (crystal_hz == 0)
				switch(model) {
3847 3848 3849 3850
				case INTEL_FAM6_SKYLAKE_MOBILE:	/* SKL */
				case INTEL_FAM6_SKYLAKE_DESKTOP:	/* SKL */
				case INTEL_FAM6_KABYLAKE_MOBILE:	/* KBL */
				case INTEL_FAM6_KABYLAKE_DESKTOP:	/* KBL */
3851 3852
					crystal_hz = 24000000;	/* 24.0 MHz */
					break;
3853
				case INTEL_FAM6_SKYLAKE_X:	/* SKX */
3854
				case INTEL_FAM6_ATOM_DENVERTON:	/* DNV */
3855 3856
					crystal_hz = 25000000;	/* 25.0 MHz */
					break;
3857
				case INTEL_FAM6_ATOM_GOLDMONT:	/* BXT */
3858
				case INTEL_FAM6_ATOM_GEMINI_LAKE:
3859
					crystal_hz = 19200000;	/* 19.2 MHz */
3860 3861 3862 3863 3864 3865 3866
					break;
				default:
					crystal_hz = 0;
			}

			if (crystal_hz) {
				tsc_hz =  (unsigned long long) crystal_hz * ebx_tsc / eax_crystal;
3867
				if (!quiet)
3868
					fprintf(outf, "TSC: %lld MHz (%d Hz * %d / %d / 1000000)\n",
3869 3870 3871 3872
						tsc_hz / 1000000, crystal_hz, ebx_tsc,  eax_crystal);
			}
		}
	}
3873 3874 3875 3876 3877 3878 3879 3880
	if (max_level >= 0x16) {
		unsigned int base_mhz, max_mhz, bus_mhz, edx;

		/*
		 * CPUID 16H Base MHz, Max MHz, Bus MHz
		 */
		base_mhz = max_mhz = bus_mhz = edx = 0;

3881
		__cpuid(0x16, base_mhz, max_mhz, bus_mhz, edx);
3882
		if (!quiet)
3883
			fprintf(outf, "CPUID(0x16): base_mhz: %d max_mhz: %d bus_mhz: %d\n",
3884 3885
				base_mhz, max_mhz, bus_mhz);
	}
3886

3887 3888 3889
	if (has_aperf)
		aperf_mperf_multiplier = get_aperf_mperf_multiplier(family, model);

3890 3891 3892 3893 3894 3895 3896 3897 3898 3899
	BIC_PRESENT(BIC_IRQ);
	BIC_PRESENT(BIC_TSC_MHz);

	if (probe_nhm_msrs(family, model)) {
		do_nhm_platform_info = 1;
		BIC_PRESENT(BIC_CPU_c1);
		BIC_PRESENT(BIC_CPU_c3);
		BIC_PRESENT(BIC_CPU_c6);
		BIC_PRESENT(BIC_SMI);
	}
3900
	do_snb_cstates = has_snb_msrs(family, model);
3901 3902 3903 3904

	if (do_snb_cstates)
		BIC_PRESENT(BIC_CPU_c7);

3905
	do_irtl_snb = has_snb_msrs(family, model);
3906 3907 3908 3909 3910 3911 3912 3913
	if (do_snb_cstates && (pkg_cstate_limit >= PCL__2))
		BIC_PRESENT(BIC_Pkgpc2);
	if (pkg_cstate_limit >= PCL__3)
		BIC_PRESENT(BIC_Pkgpc3);
	if (pkg_cstate_limit >= PCL__6)
		BIC_PRESENT(BIC_Pkgpc6);
	if (do_snb_cstates && (pkg_cstate_limit >= PCL__7))
		BIC_PRESENT(BIC_Pkgpc7);
3914
	if (has_slv_msrs(family, model)) {
3915 3916 3917 3918
		BIC_NOT_PRESENT(BIC_Pkgpc2);
		BIC_NOT_PRESENT(BIC_Pkgpc3);
		BIC_PRESENT(BIC_Pkgpc6);
		BIC_NOT_PRESENT(BIC_Pkgpc7);
3919 3920 3921
		BIC_PRESENT(BIC_Mod_c6);
		use_c1_residency_msr = 1;
	}
3922 3923 3924 3925 3926 3927 3928 3929
	if (is_dnv(family, model)) {
		BIC_PRESENT(BIC_CPU_c1);
		BIC_NOT_PRESENT(BIC_CPU_c3);
		BIC_NOT_PRESENT(BIC_Pkgpc3);
		BIC_NOT_PRESENT(BIC_CPU_c7);
		BIC_NOT_PRESENT(BIC_Pkgpc7);
		use_c1_residency_msr = 1;
	}
3930 3931 3932 3933 3934 3935
	if (is_skx(family, model)) {
		BIC_NOT_PRESENT(BIC_CPU_c3);
		BIC_NOT_PRESENT(BIC_Pkgpc3);
		BIC_NOT_PRESENT(BIC_CPU_c7);
		BIC_NOT_PRESENT(BIC_Pkgpc7);
	}
3936 3937 3938 3939 3940
	if (has_hsw_msrs(family, model)) {
		BIC_PRESENT(BIC_Pkgpc8);
		BIC_PRESENT(BIC_Pkgpc9);
		BIC_PRESENT(BIC_Pkgpc10);
	}
3941
	do_irtl_hsw = has_hsw_msrs(family, model);
3942
	do_skl_residency = has_skl_msrs(family, model);
3943
	do_slm_cstates = is_slm(family, model);
3944
	do_knl_cstates  = is_knl(family, model);
L
Len Brown 已提交
3945

3946
	if (!quiet)
3947 3948
		decode_misc_pwr_mgmt_msr();

3949
	if (!quiet && has_slv_msrs(family, model))
3950 3951
		decode_c6_demotion_policy_msr();

3952
	rapl_probe(family, model);
3953
	perf_limit_reasons_probe(family, model);
3954

3955
	if (!quiet)
3956
		dump_cstate_pstate_config_info(family, model);
3957

3958 3959 3960
	if (has_skl_msrs(family, model))
		calculate_tsc_tweak();

3961 3962
	if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK))
		BIC_PRESENT(BIC_GFX_rc6);
L
Len Brown 已提交
3963

3964 3965
	if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK))
		BIC_PRESENT(BIC_GFXMHz);
L
Len Brown 已提交
3966

3967
	if (!quiet)
3968 3969
		decode_misc_feature_control();

3970
	return;
L
Len Brown 已提交
3971 3972
}

3973
void help()
L
Len Brown 已提交
3974
{
3975
	fprintf(outf,
3976 3977 3978 3979 3980 3981
	"Usage: turbostat [OPTIONS][(--interval seconds) | COMMAND ...]\n"
	"\n"
	"Turbostat forks the specified COMMAND and prints statistics\n"
	"when COMMAND completes.\n"
	"If no COMMAND is specified, turbostat wakes every 5-seconds\n"
	"to print statistics, until interrupted.\n"
3982 3983
	"--add		add a counter\n"
	"		eg. --add msr0x10,u64,cpu,delta,MY_TSC\n"
3984
	"--quiet	skip decoding system configuration header\n"
3985 3986
	"--interval sec	Override default 5-second measurement interval\n"
	"--help		print this help message\n"
3987
	"--out file	create or truncate \"file\" for all output\n"
3988 3989 3990
	"--version	print version information\n"
	"\n"
	"For more help, run \"man turbostat\"\n");
L
Len Brown 已提交
3991 3992 3993 3994 3995 3996 3997 3998 3999 4000 4001 4002 4003 4004 4005 4006 4007 4008 4009 4010
}


/*
 * in /dev/cpu/ return success for names that are numbers
 * ie. filter out ".", "..", "microcode".
 */
int dir_filter(const struct dirent *dirp)
{
	if (isdigit(dirp->d_name[0]))
		return 1;
	else
		return 0;
}

int open_dev_cpu_msr(int dummy1)
{
	return 0;
}

4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026
void topology_probe()
{
	int i;
	int max_core_id = 0;
	int max_package_id = 0;
	int max_siblings = 0;
	struct cpu_topology {
		int core_id;
		int physical_package_id;
	} *cpus;

	/* Initialize num_cpus, max_cpu_num */
	topo.num_cpus = 0;
	topo.max_cpu_num = 0;
	for_all_proc_cpus(count_cpus);
	if (!summary_only && topo.num_cpus > 1)
4027
		BIC_PRESENT(BIC_CPU);
4028

4029
	if (debug > 1)
4030
		fprintf(outf, "num_cpus %d max_cpu_num %d\n", topo.num_cpus, topo.max_cpu_num);
4031 4032

	cpus = calloc(1, (topo.max_cpu_num  + 1) * sizeof(struct cpu_topology));
4033 4034
	if (cpus == NULL)
		err(1, "calloc cpus");
4035 4036 4037 4038 4039

	/*
	 * Allocate and initialize cpu_present_set
	 */
	cpu_present_set = CPU_ALLOC((topo.max_cpu_num + 1));
4040 4041
	if (cpu_present_set == NULL)
		err(3, "CPU_ALLOC");
4042 4043 4044 4045 4046 4047 4048 4049
	cpu_present_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
	CPU_ZERO_S(cpu_present_setsize, cpu_present_set);
	for_all_proc_cpus(mark_cpu_present);

	/*
	 * Allocate and initialize cpu_affinity_set
	 */
	cpu_affinity_set = CPU_ALLOC((topo.max_cpu_num + 1));
4050 4051
	if (cpu_affinity_set == NULL)
		err(3, "CPU_ALLOC");
4052 4053 4054 4055 4056 4057 4058 4059 4060 4061 4062 4063
	cpu_affinity_setsize = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
	CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);


	/*
	 * For online cpus
	 * find max_core_id, max_package_id
	 */
	for (i = 0; i <= topo.max_cpu_num; ++i) {
		int siblings;

		if (cpu_is_not_present(i)) {
4064
			if (debug > 1)
4065
				fprintf(outf, "cpu%d NOT PRESENT\n", i);
4066 4067 4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078
			continue;
		}
		cpus[i].core_id = get_core_id(i);
		if (cpus[i].core_id > max_core_id)
			max_core_id = cpus[i].core_id;

		cpus[i].physical_package_id = get_physical_package_id(i);
		if (cpus[i].physical_package_id > max_package_id)
			max_package_id = cpus[i].physical_package_id;

		siblings = get_num_ht_siblings(i);
		if (siblings > max_siblings)
			max_siblings = siblings;
4079
		if (debug > 1)
4080
			fprintf(outf, "cpu %d pkg %d core %d\n",
4081 4082 4083
				i, cpus[i].physical_package_id, cpus[i].core_id);
	}
	topo.num_cores_per_pkg = max_core_id + 1;
4084
	if (debug > 1)
4085
		fprintf(outf, "max_core_id %d, sizing for %d cores per package\n",
4086
			max_core_id, topo.num_cores_per_pkg);
4087
	if (!summary_only && topo.num_cores_per_pkg > 1)
4088
		BIC_PRESENT(BIC_Core);
4089 4090

	topo.num_packages = max_package_id + 1;
4091
	if (debug > 1)
4092
		fprintf(outf, "max_package_id %d, sizing for %d packages\n",
4093
			max_package_id, topo.num_packages);
4094
	if (debug && !summary_only && topo.num_packages > 1)
4095
		BIC_PRESENT(BIC_Package);
4096 4097

	topo.num_threads_per_core = max_siblings;
4098
	if (debug > 1)
4099
		fprintf(outf, "max_siblings %d\n", max_siblings);
4100 4101 4102 4103 4104 4105 4106 4107 4108 4109

	free(cpus);
}

void
allocate_counters(struct thread_data **t, struct core_data **c, struct pkg_data **p)
{
	int i;

	*t = calloc(topo.num_threads_per_core * topo.num_cores_per_pkg *
4110
		topo.num_packages, sizeof(struct thread_data));
4111 4112 4113 4114 4115 4116 4117 4118
	if (*t == NULL)
		goto error;

	for (i = 0; i < topo.num_threads_per_core *
		topo.num_cores_per_pkg * topo.num_packages; i++)
		(*t)[i].cpu_id = -1;

	*c = calloc(topo.num_cores_per_pkg * topo.num_packages,
4119
		sizeof(struct core_data));
4120 4121 4122 4123 4124 4125
	if (*c == NULL)
		goto error;

	for (i = 0; i < topo.num_cores_per_pkg * topo.num_packages; i++)
		(*c)[i].core_id = -1;

4126
	*p = calloc(topo.num_packages, sizeof(struct pkg_data));
4127 4128 4129 4130 4131 4132 4133 4134
	if (*p == NULL)
		goto error;

	for (i = 0; i < topo.num_packages; i++)
		(*p)[i].package_id = i;

	return;
error:
4135
	err(1, "calloc counters");
4136 4137 4138 4139 4140 4141 4142 4143 4144 4145 4146 4147 4148 4149 4150 4151 4152 4153 4154 4155 4156 4157 4158 4159 4160 4161 4162 4163 4164 4165 4166 4167 4168 4169 4170 4171 4172 4173 4174
}
/*
 * init_counter()
 *
 * set cpu_id, core_num, pkg_num
 * set FIRST_THREAD_IN_CORE and FIRST_CORE_IN_PACKAGE
 *
 * increment topo.num_cores when 1st core in pkg seen
 */
void init_counter(struct thread_data *thread_base, struct core_data *core_base,
	struct pkg_data *pkg_base, int thread_num, int core_num,
	int pkg_num, int cpu_id)
{
	struct thread_data *t;
	struct core_data *c;
	struct pkg_data *p;

	t = GET_THREAD(thread_base, thread_num, core_num, pkg_num);
	c = GET_CORE(core_base, core_num, pkg_num);
	p = GET_PKG(pkg_base, pkg_num);

	t->cpu_id = cpu_id;
	if (thread_num == 0) {
		t->flags |= CPU_IS_FIRST_THREAD_IN_CORE;
		if (cpu_is_first_core_in_package(cpu_id))
			t->flags |= CPU_IS_FIRST_CORE_IN_PACKAGE;
	}

	c->core_id = core_num;
	p->package_id = pkg_num;
}


int initialize_counters(int cpu_id)
{
	int my_thread_id, my_core_id, my_package_id;

	my_package_id = get_physical_package_id(cpu_id);
	my_core_id = get_core_id(cpu_id);
4175 4176
	my_thread_id = get_cpu_position_in_core(cpu_id);
	if (!my_thread_id)
4177 4178 4179 4180 4181 4182 4183 4184 4185
		topo.num_cores++;

	init_counter(EVEN_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
	init_counter(ODD_COUNTERS, my_thread_id, my_core_id, my_package_id, cpu_id);
	return 0;
}

void allocate_output_buffer()
{
4186
	output_buffer = calloc(1, (1 + topo.num_cpus) * 1024);
4187
	outp = output_buffer;
4188 4189
	if (outp == NULL)
		err(-1, "calloc output buffer");
4190
}
4191 4192
void allocate_fd_percpu(void)
{
4193
	fd_percpu = calloc(topo.max_cpu_num + 1, sizeof(int));
4194 4195 4196
	if (fd_percpu == NULL)
		err(-1, "calloc fd_percpu");
}
4197 4198 4199 4200 4201
void allocate_irq_buffers(void)
{
	irq_column_2_cpu = calloc(topo.num_cpus, sizeof(int));
	if (irq_column_2_cpu == NULL)
		err(-1, "calloc %d", topo.num_cpus);
4202

4203
	irqs_per_cpu = calloc(topo.max_cpu_num + 1, sizeof(int));
4204
	if (irqs_per_cpu == NULL)
4205
		err(-1, "calloc %d", topo.max_cpu_num + 1);
4206
}
4207 4208 4209
void setup_all_buffers(void)
{
	topology_probe();
4210
	allocate_irq_buffers();
4211
	allocate_fd_percpu();
4212 4213 4214 4215 4216
	allocate_counters(&thread_even, &core_even, &package_even);
	allocate_counters(&thread_odd, &core_odd, &package_odd);
	allocate_output_buffer();
	for_all_proc_cpus(initialize_counters);
}
4217

4218 4219 4220 4221 4222 4223 4224
void set_base_cpu(void)
{
	base_cpu = sched_getcpu();
	if (base_cpu < 0)
		err(-ENODEV, "No valid cpus found");

	if (debug > 1)
4225
		fprintf(outf, "base_cpu = %d\n", base_cpu);
4226 4227
}

L
Len Brown 已提交
4228 4229
void turbostat_init()
{
4230 4231
	setup_all_buffers();
	set_base_cpu();
L
Len Brown 已提交
4232
	check_dev_msr();
4233
	check_permissions();
4234
	process_cpuid();
L
Len Brown 已提交
4235 4236


4237
	if (!quiet)
4238 4239
		for_all_cpus(print_hwp, ODD_COUNTERS);

4240
	if (!quiet)
4241 4242
		for_all_cpus(print_epb, ODD_COUNTERS);

4243
	if (!quiet)
4244 4245
		for_all_cpus(print_perf_limit, ODD_COUNTERS);

4246
	if (!quiet)
4247 4248 4249 4250
		for_all_cpus(print_rapl, ODD_COUNTERS);

	for_all_cpus(set_temperature_target, ODD_COUNTERS);

4251
	if (!quiet)
4252
		for_all_cpus(print_thermal, ODD_COUNTERS);
4253

4254
	if (!quiet && do_irtl_snb)
4255
		print_irtl();
L
Len Brown 已提交
4256 4257 4258 4259 4260
}

int fork_it(char **argv)
{
	pid_t child_pid;
4261
	int status;
4262

4263 4264 4265
	status = for_all_cpus(get_counters, EVEN_COUNTERS);
	if (status)
		exit(status);
4266 4267
	/* clear affinity side-effect of get_counters() */
	sched_setaffinity(0, cpu_present_setsize, cpu_present_set);
L
Len Brown 已提交
4268 4269 4270 4271 4272 4273 4274 4275 4276
	gettimeofday(&tv_even, (struct timezone *)NULL);

	child_pid = fork();
	if (!child_pid) {
		/* child */
		execvp(argv[0], argv);
	} else {

		/* parent */
4277 4278
		if (child_pid == -1)
			err(1, "fork");
L
Len Brown 已提交
4279 4280 4281

		signal(SIGINT, SIG_IGN);
		signal(SIGQUIT, SIG_IGN);
4282 4283
		if (waitpid(child_pid, &status, 0) == -1)
			err(status, "waitpid");
L
Len Brown 已提交
4284
	}
4285 4286 4287 4288 4289
	/*
	 * n.b. fork_it() does not check for errors from for_all_cpus()
	 * because re-starting is problematic when forking
	 */
	for_all_cpus(get_counters, ODD_COUNTERS);
L
Len Brown 已提交
4290 4291
	gettimeofday(&tv_odd, (struct timezone *)NULL);
	timersub(&tv_odd, &tv_even, &tv_delta);
4292 4293 4294 4295 4296 4297
	if (for_all_cpus_2(delta_cpu, ODD_COUNTERS, EVEN_COUNTERS))
		fprintf(outf, "%s: Counter reset detected\n", progname);
	else {
		compute_average(EVEN_COUNTERS);
		format_all_counters(EVEN_COUNTERS);
	}
L
Len Brown 已提交
4298

4299 4300 4301
	fprintf(outf, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0);

	flush_output_stderr();
L
Len Brown 已提交
4302

4303
	return status;
L
Len Brown 已提交
4304 4305
}

4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317
int get_and_dump_counters(void)
{
	int status;

	status = for_all_cpus(get_counters, ODD_COUNTERS);
	if (status)
		return status;

	status = for_all_cpus(dump_counters, ODD_COUNTERS);
	if (status)
		return status;

4318
	flush_output_stdout();
4319 4320 4321 4322

	return status;
}

4323
void print_version() {
4324
	fprintf(outf, "turbostat version 4.17 10 Jan 2017"
4325 4326 4327
		" - Len Brown <lenb@kernel.org>\n");
}

4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340 4341 4342 4343 4344 4345 4346 4347 4348 4349 4350
int add_counter(unsigned int msr_num, char *name, unsigned int width,
	enum counter_scope scope, enum counter_type type,
	enum counter_format format)
{
	struct msr_counter *msrp;

	msrp = calloc(1, sizeof(struct msr_counter));
	if (msrp == NULL) {
		perror("calloc");
		exit(1);
	}

	msrp->msr_num = msr_num;
	strncpy(msrp->name, name, NAME_BYTES);
	msrp->width = width;
	msrp->type = type;
	msrp->format = format;

	switch (scope) {

	case SCOPE_CPU:
		msrp->next = sys.tp;
		sys.tp = msrp;
4351 4352 4353 4354 4355 4356
		sys.added_thread_counters++;
		if (sys.added_thread_counters > MAX_ADDED_COUNTERS) {
			fprintf(stderr, "exceeded max %d added thread counters\n",
				MAX_ADDED_COUNTERS);
			exit(-1);
		}
4357 4358 4359 4360 4361
		break;

	case SCOPE_CORE:
		msrp->next = sys.cp;
		sys.cp = msrp;
4362 4363 4364 4365 4366 4367
		sys.added_core_counters++;
		if (sys.added_core_counters > MAX_ADDED_COUNTERS) {
			fprintf(stderr, "exceeded max %d added core counters\n",
				MAX_ADDED_COUNTERS);
			exit(-1);
		}
4368 4369 4370 4371 4372
		break;

	case SCOPE_PACKAGE:
		msrp->next = sys.pp;
		sys.pp = msrp;
4373 4374 4375 4376 4377 4378
		sys.added_package_counters++;
		if (sys.added_package_counters > MAX_ADDED_COUNTERS) {
			fprintf(stderr, "exceeded max %d added package counters\n",
				MAX_ADDED_COUNTERS);
			exit(-1);
		}
4379 4380 4381 4382 4383 4384 4385 4386 4387
		break;
	}

	return 0;
}

void parse_add_command(char *add_command)
{
	int msr_num = 0;
4388
	char name_buffer[NAME_BYTES] = "";
4389 4390 4391 4392 4393 4394 4395 4396 4397 4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417 4418 4419 4420 4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454 4455 4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476 4477 4478 4479 4480 4481 4482 4483 4484 4485 4486 4487 4488
	int width = 64;
	int fail = 0;
	enum counter_scope scope = SCOPE_CPU;
	enum counter_type type = COUNTER_CYCLES;
	enum counter_format format = FORMAT_DELTA;

	while (add_command) {

		if (sscanf(add_command, "msr0x%x", &msr_num) == 1)
			goto next;

		if (sscanf(add_command, "msr%d", &msr_num) == 1)
			goto next;

		if (sscanf(add_command, "u%d", &width) == 1) {
			if ((width == 32) || (width == 64))
				goto next;
			width = 64;
		}
		if (!strncmp(add_command, "cpu", strlen("cpu"))) {
			scope = SCOPE_CPU;
			goto next;
		}
		if (!strncmp(add_command, "core", strlen("core"))) {
			scope = SCOPE_CORE;
			goto next;
		}
		if (!strncmp(add_command, "package", strlen("package"))) {
			scope = SCOPE_PACKAGE;
			goto next;
		}
		if (!strncmp(add_command, "cycles", strlen("cycles"))) {
			type = COUNTER_CYCLES;
			goto next;
		}
		if (!strncmp(add_command, "seconds", strlen("seconds"))) {
			type = COUNTER_SECONDS;
			goto next;
		}
		if (!strncmp(add_command, "raw", strlen("raw"))) {
			format = FORMAT_RAW;
			goto next;
		}
		if (!strncmp(add_command, "delta", strlen("delta"))) {
			format = FORMAT_DELTA;
			goto next;
		}
		if (!strncmp(add_command, "percent", strlen("percent"))) {
			format = FORMAT_PERCENT;
			goto next;
		}

		if (sscanf(add_command, "%18s,%*s", name_buffer) == 1) {	/* 18 < NAME_BYTES */
			char *eos;

			eos = strchr(name_buffer, ',');
			if (eos)
				*eos = '\0';
			goto next;
		}

next:
		add_command = strchr(add_command, ',');
		if (add_command)
			add_command++;

	}
	if (msr_num == 0) {
		fprintf(stderr, "--add: (msrDDD | msr0xXXX) required\n");
		fail++;
	}

	/* generate default column header */
	if (*name_buffer == '\0') {
		if (format == FORMAT_RAW) {
			if (width == 32)
				sprintf(name_buffer, "msr%d", msr_num);
			else
				sprintf(name_buffer, "MSR%d", msr_num);
		} else if (format == FORMAT_DELTA) {
			if (width == 32)
				sprintf(name_buffer, "cnt%d", msr_num);
			else
				sprintf(name_buffer, "CNT%d", msr_num);
		} else if (format == FORMAT_PERCENT) {
			if (width == 32)
				sprintf(name_buffer, "msr%d%%", msr_num);
			else
				sprintf(name_buffer, "MSR%d%%", msr_num);
		}
	}

	if (add_counter(msr_num, name_buffer, width, scope, type, format))
		fail++;

	if (fail) {
		help();
		exit(1);
	}
}
4489 4490 4491 4492 4493 4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522
/*
 * HIDE_LIST - hide this list of counters, show the rest [default]
 * SHOW_LIST - show this list of counters, hide the rest
 */
enum show_hide_mode { SHOW_LIST, HIDE_LIST } global_show_hide_mode = HIDE_LIST;

int shown;
/*
 * parse_show_hide() - process cmdline to set default counter action
 */
void parse_show_hide(char *optarg, enum show_hide_mode new_mode)
{
	/*
	 * --show: show only those specified
	 *  The 1st invocation will clear and replace the enabled mask
	 *  subsequent invocations can add to it.
	 */
	if (new_mode == SHOW_LIST) {
		if (shown == 0)
			bic_enabled = bic_lookup(optarg);
		else
			bic_enabled |= bic_lookup(optarg);
		shown = 1;

		return;
	}

	/*
	 * --hide: do not show those specified
	 *  multiple invocations simply clear more bits in enabled mask
	 */
	bic_enabled &= ~bic_lookup(optarg);
}

L
Len Brown 已提交
4523 4524 4525
void cmdline(int argc, char **argv)
{
	int opt;
4526 4527
	int option_index = 0;
	static struct option long_options[] = {
4528
		{"add",		required_argument,	0, 'a'},
4529
		{"Dump",	no_argument,		0, 'D'},
4530
		{"debug",	no_argument,		0, 'd'},	/* internal, not documented */
4531 4532
		{"interval",	required_argument,	0, 'i'},
		{"help",	no_argument,		0, 'h'},
4533
		{"hide",	required_argument,	0, 'H'},	// meh, -h taken by --help
4534
		{"Joules",	no_argument,		0, 'J'},
4535
		{"out",		required_argument,	0, 'o'},
4536 4537
		{"Package",	no_argument,		0, 'p'},
		{"processor",	no_argument,		0, 'p'},
4538
		{"quiet",	no_argument,		0, 'q'},
4539
		{"show",	required_argument,	0, 's'},
4540 4541 4542 4543 4544
		{"Summary",	no_argument,		0, 'S'},
		{"TCC",		required_argument,	0, 'T'},
		{"version",	no_argument,		0, 'v' },
		{0,		0,			0,  0 }
	};
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Len Brown 已提交
4545 4546 4547

	progname = argv[0];

4548
	while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:PpqST:v",
4549
				long_options, &option_index)) != -1) {
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4550
		switch (opt) {
4551 4552 4553
		case 'a':
			parse_add_command(optarg);
			break;
4554
		case 'D':
4555 4556
			dump_only++;
			break;
4557 4558
		case 'd':
			debug++;
L
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4559
			break;
4560 4561 4562
		case 'H':
			parse_show_hide(optarg, HIDE_LIST);
			break;
4563 4564 4565 4566
		case 'h':
		default:
			help();
			exit(1);
L
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4567
		case 'i':
4568 4569 4570 4571
			{
				double interval = strtod(optarg, NULL);

				if (interval < 0.001) {
4572
					fprintf(outf, "interval %f seconds is too small\n",
4573 4574 4575 4576 4577 4578 4579
						interval);
					exit(2);
				}

				interval_ts.tv_sec = interval;
				interval_ts.tv_nsec = (interval - interval_ts.tv_sec) * 1000000000;
			}
L
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4580
			break;
4581 4582
		case 'J':
			rapl_joules++;
4583
			break;
4584 4585 4586
		case 'o':
			outf = fopen_or_die(optarg, "w");
			break;
4587 4588 4589 4590 4591
		case 'P':
			show_pkg_only++;
			break;
		case 'p':
			show_core_only++;
L
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4592
			break;
4593 4594 4595
		case 'q':
			quiet = 1;
			break;
4596 4597 4598
		case 's':
			parse_show_hide(optarg, SHOW_LIST);
			break;
4599 4600
		case 'S':
			summary_only++;
4601 4602 4603 4604
			break;
		case 'T':
			tcc_activation_temp_override = atoi(optarg);
			break;
4605 4606 4607
		case 'v':
			print_version();
			exit(0);
4608
			break;
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4609 4610 4611 4612 4613 4614
		}
	}
}

int main(int argc, char **argv)
{
4615 4616
	outf = stderr;

L
Len Brown 已提交
4617 4618
	cmdline(argc, argv);

4619
	if (!quiet)
4620
		print_version();
L
Len Brown 已提交
4621 4622 4623

	turbostat_init();

4624 4625 4626 4627
	/* dump counters and exit */
	if (dump_only)
		return get_and_dump_counters();

L
Len Brown 已提交
4628 4629 4630 4631 4632 4633 4634 4635 4636 4637
	/*
	 * if any params left, it must be a command to fork
	 */
	if (argc - optind)
		return fork_it(argv + optind);
	else
		turbostat_loop();

	return 0;
}