builtin-script.c 90.8 KB
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// SPDX-License-Identifier: GPL-2.0
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#include "builtin.h"

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#include "perf.h"
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#include "util/cache.h"
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#include "util/debug.h"
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#include <subcmd/exec-cmd.h>
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#include "util/header.h"
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#include <subcmd/parse-options.h>
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#include "util/perf_regs.h"
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#include "util/session.h"
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#include "util/tool.h"
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#include "util/symbol.h"
#include "util/thread.h"
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#include "util/trace-event.h"
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#include "util/util.h"
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#include "util/evlist.h"
#include "util/evsel.h"
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#include "util/sort.h"
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#include "util/data.h"
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#include "util/auxtrace.h"
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#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/stat.h"
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#include "util/color.h"
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#include "util/string2.h"
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#include "util/thread-stack.h"
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#include "util/time-utils.h"
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#include "util/path.h"
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#include "print_binary.h"
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#include <linux/bitmap.h>
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#include <linux/kernel.h>
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#include <linux/stringify.h>
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#include <linux/time64.h>
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#include "asm/bug.h"
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#include "util/mem-events.h"
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#include "util/dump-insn.h"
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#include <dirent.h>
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#include <errno.h>
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#include <inttypes.h>
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#include <signal.h>
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#include <sys/param.h>
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#include <sys/types.h>
#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "sane_ctype.h"

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static char const		*script_name;
static char const		*generate_script_lang;
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static bool			debug_mode;
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static u64			last_timestamp;
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static u64			nr_unordered;
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static bool			no_callchain;
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static bool			latency_format;
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static bool			system_wide;
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static bool			print_flags;
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static bool			nanosecs;
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static const char		*cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
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static struct perf_stat_config	stat_config;
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static int			max_blocks;
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unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
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enum perf_output_field {
	PERF_OUTPUT_COMM            = 1U << 0,
	PERF_OUTPUT_TID             = 1U << 1,
	PERF_OUTPUT_PID             = 1U << 2,
	PERF_OUTPUT_TIME            = 1U << 3,
	PERF_OUTPUT_CPU             = 1U << 4,
	PERF_OUTPUT_EVNAME          = 1U << 5,
	PERF_OUTPUT_TRACE           = 1U << 6,
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	PERF_OUTPUT_IP              = 1U << 7,
	PERF_OUTPUT_SYM             = 1U << 8,
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	PERF_OUTPUT_DSO             = 1U << 9,
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	PERF_OUTPUT_ADDR            = 1U << 10,
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	PERF_OUTPUT_SYMOFFSET       = 1U << 11,
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	PERF_OUTPUT_SRCLINE         = 1U << 12,
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	PERF_OUTPUT_PERIOD          = 1U << 13,
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	PERF_OUTPUT_IREGS	    = 1U << 14,
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	PERF_OUTPUT_BRSTACK	    = 1U << 15,
	PERF_OUTPUT_BRSTACKSYM	    = 1U << 16,
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	PERF_OUTPUT_DATA_SRC	    = 1U << 17,
	PERF_OUTPUT_WEIGHT	    = 1U << 18,
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	PERF_OUTPUT_BPF_OUTPUT	    = 1U << 19,
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	PERF_OUTPUT_CALLINDENT	    = 1U << 20,
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	PERF_OUTPUT_INSN	    = 1U << 21,
	PERF_OUTPUT_INSNLEN	    = 1U << 22,
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	PERF_OUTPUT_BRSTACKINSN	    = 1U << 23,
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	PERF_OUTPUT_BRSTACKOFF	    = 1U << 24,
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	PERF_OUTPUT_SYNTH           = 1U << 25,
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	PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
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	PERF_OUTPUT_UREGS	    = 1U << 27,
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	PERF_OUTPUT_METRIC	    = 1U << 28,
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	PERF_OUTPUT_MISC            = 1U << 29,
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};

struct output_option {
	const char *str;
	enum perf_output_field field;
} all_output_options[] = {
	{.str = "comm",  .field = PERF_OUTPUT_COMM},
	{.str = "tid",   .field = PERF_OUTPUT_TID},
	{.str = "pid",   .field = PERF_OUTPUT_PID},
	{.str = "time",  .field = PERF_OUTPUT_TIME},
	{.str = "cpu",   .field = PERF_OUTPUT_CPU},
	{.str = "event", .field = PERF_OUTPUT_EVNAME},
	{.str = "trace", .field = PERF_OUTPUT_TRACE},
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	{.str = "ip",    .field = PERF_OUTPUT_IP},
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	{.str = "sym",   .field = PERF_OUTPUT_SYM},
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	{.str = "dso",   .field = PERF_OUTPUT_DSO},
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	{.str = "addr",  .field = PERF_OUTPUT_ADDR},
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	{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
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	{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
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	{.str = "period", .field = PERF_OUTPUT_PERIOD},
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	{.str = "iregs", .field = PERF_OUTPUT_IREGS},
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	{.str = "uregs", .field = PERF_OUTPUT_UREGS},
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	{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
	{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
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	{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
	{.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
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	{.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
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	{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
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	{.str = "insn", .field = PERF_OUTPUT_INSN},
	{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
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	{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
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	{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
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	{.str = "synth", .field = PERF_OUTPUT_SYNTH},
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	{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
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	{.str = "metric", .field = PERF_OUTPUT_METRIC},
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	{.str = "misc", .field = PERF_OUTPUT_MISC},
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};

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enum {
	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
	OUTPUT_TYPE_MAX
};

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/* default set to maintain compatibility with current format */
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static struct {
	bool user_set;
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	bool wildcard_set;
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	unsigned int print_ip_opts;
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	u64 fields;
	u64 invalid_fields;
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} output[OUTPUT_TYPE_MAX] = {
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	[PERF_TYPE_HARDWARE] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
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			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
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			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
			      PERF_OUTPUT_PERIOD,
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		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
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	},

	[PERF_TYPE_SOFTWARE] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
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			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
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			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
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			      PERF_OUTPUT_PERIOD | PERF_OUTPUT_BPF_OUTPUT,
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		.invalid_fields = PERF_OUTPUT_TRACE,
	},

	[PERF_TYPE_TRACEPOINT] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
				  PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
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				  PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
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	},
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	[PERF_TYPE_RAW] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
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			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
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			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
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			      PERF_OUTPUT_PERIOD |  PERF_OUTPUT_ADDR |
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			      PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT |
			      PERF_OUTPUT_PHYS_ADDR,
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		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
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	},
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	[PERF_TYPE_BREAKPOINT] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
			      PERF_OUTPUT_PERIOD,

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		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
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	},
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	[OUTPUT_TYPE_SYNTH] = {
		.user_set = false,

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
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			      PERF_OUTPUT_SYM | PERF_OUTPUT_DSO |
			      PERF_OUTPUT_SYNTH,
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		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
	},
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};
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struct perf_evsel_script {
       char *filename;
       FILE *fp;
       u64  samples;
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       /* For metric output */
       u64  val;
       int  gnum;
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};

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static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
{
	return (struct perf_evsel_script *)evsel->priv;
}

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static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
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							struct perf_data *data)
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{
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	struct perf_evsel_script *es = zalloc(sizeof(*es));
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	if (es != NULL) {
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		if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
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			goto out_free;
		es->fp = fopen(es->filename, "w");
		if (es->fp == NULL)
			goto out_free_filename;
	}

	return es;
out_free_filename:
	zfree(&es->filename);
out_free:
	free(es);
	return NULL;
}

static void perf_evsel_script__delete(struct perf_evsel_script *es)
{
	zfree(&es->filename);
	fclose(es->fp);
	es->fp = NULL;
	free(es);
}

static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
{
	struct stat st;

	fstat(fileno(es->fp), &st);
	return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
		       st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
}

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static inline int output_type(unsigned int type)
{
	switch (type) {
	case PERF_TYPE_SYNTH:
		return OUTPUT_TYPE_SYNTH;
	default:
		return type;
	}
}

static inline unsigned int attr_type(unsigned int type)
{
	switch (type) {
	case OUTPUT_TYPE_SYNTH:
		return PERF_TYPE_SYNTH;
	default:
		return type;
	}
}

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static bool output_set_by_user(void)
{
	int j;
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	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
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		if (output[j].user_set)
			return true;
	}
	return false;
}
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static const char *output_field2str(enum perf_output_field field)
{
	int i, imax = ARRAY_SIZE(all_output_options);
	const char *str = "";

	for (i = 0; i < imax; ++i) {
		if (all_output_options[i].field == field) {
			str = all_output_options[i].str;
			break;
		}
	}
	return str;
}

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#define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
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static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
				      u64 sample_type, const char *sample_msg,
				      enum perf_output_field field,
				      bool allow_user_set)
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{
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	struct perf_event_attr *attr = &evsel->attr;
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	int type = output_type(attr->type);
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	const char *evname;

	if (attr->sample_type & sample_type)
		return 0;

	if (output[type].user_set) {
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		if (allow_user_set)
			return 0;
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		evname = perf_evsel__name(evsel);
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		pr_err("Samples for '%s' event do not have %s attribute set. "
		       "Cannot print '%s' field.\n",
		       evname, sample_msg, output_field2str(field));
		return -1;
	}

	/* user did not ask for it explicitly so remove from the default list */
	output[type].fields &= ~field;
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	evname = perf_evsel__name(evsel);
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	pr_debug("Samples for '%s' event do not have %s attribute set. "
		 "Skipping '%s' field.\n",
		 evname, sample_msg, output_field2str(field));

	return 0;
}

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static int perf_evsel__check_stype(struct perf_evsel *evsel,
				   u64 sample_type, const char *sample_msg,
				   enum perf_output_field field)
{
	return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
					  false);
}

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static int perf_evsel__check_attr(struct perf_evsel *evsel,
				  struct perf_session *session)
{
	struct perf_event_attr *attr = &evsel->attr;
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	bool allow_user_set;

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	if (perf_header__has_feat(&session->header, HEADER_STAT))
		return 0;

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	allow_user_set = perf_header__has_feat(&session->header,
					       HEADER_AUXTRACE);
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	if (PRINT_FIELD(TRACE) &&
		!perf_session__has_traces(session, "record -R"))
		return -EINVAL;

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	if (PRINT_FIELD(IP)) {
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		if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
					    PERF_OUTPUT_IP))
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			return -EINVAL;
	}
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	if (PRINT_FIELD(ADDR) &&
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		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
					   PERF_OUTPUT_ADDR, allow_user_set))
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		return -EINVAL;

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	if (PRINT_FIELD(DATA_SRC) &&
		perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
					PERF_OUTPUT_DATA_SRC))
		return -EINVAL;

	if (PRINT_FIELD(WEIGHT) &&
		perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
					PERF_OUTPUT_WEIGHT))
		return -EINVAL;

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	if (PRINT_FIELD(SYM) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
		pr_err("Display of symbols requested but neither sample IP nor "
			   "sample address\nis selected. Hence, no addresses to convert "
		       "to symbols.\n");
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		return -EINVAL;
	}
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	if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
		pr_err("Display of offsets requested but symbol is not"
		       "selected.\n");
		return -EINVAL;
	}
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	if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR) &&
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	    !PRINT_FIELD(BRSTACK) && !PRINT_FIELD(BRSTACKSYM) && !PRINT_FIELD(BRSTACKOFF)) {
		pr_err("Display of DSO requested but no address to convert.  Select\n"
		       "sample IP, sample address, brstack, brstacksym, or brstackoff.\n");
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		return -EINVAL;
	}
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	if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
		pr_err("Display of source line number requested but sample IP is not\n"
		       "selected. Hence, no address to lookup the source line number.\n");
		return -EINVAL;
	}
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	if (PRINT_FIELD(BRSTACKINSN) &&
	    !(perf_evlist__combined_branch_type(session->evlist) &
	      PERF_SAMPLE_BRANCH_ANY)) {
		pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
		       "Hint: run 'perf record -b ...'\n");
		return -EINVAL;
	}
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	if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
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		perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
					PERF_OUTPUT_TID|PERF_OUTPUT_PID))
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		return -EINVAL;

	if (PRINT_FIELD(TIME) &&
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		perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
					PERF_OUTPUT_TIME))
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		return -EINVAL;

	if (PRINT_FIELD(CPU) &&
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		perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
					   PERF_OUTPUT_CPU, allow_user_set))
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		return -EINVAL;
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	if (PRINT_FIELD(IREGS) &&
		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
					PERF_OUTPUT_IREGS))
		return -EINVAL;

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	if (PRINT_FIELD(UREGS) &&
		perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
					PERF_OUTPUT_UREGS))
		return -EINVAL;

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	if (PRINT_FIELD(PHYS_ADDR) &&
		perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
					PERF_OUTPUT_PHYS_ADDR))
		return -EINVAL;

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	return 0;
}

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static void set_print_ip_opts(struct perf_event_attr *attr)
{
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	unsigned int type = output_type(attr->type);
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	output[type].print_ip_opts = 0;
	if (PRINT_FIELD(IP))
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		output[type].print_ip_opts |= EVSEL__PRINT_IP;
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	if (PRINT_FIELD(SYM))
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		output[type].print_ip_opts |= EVSEL__PRINT_SYM;
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	if (PRINT_FIELD(DSO))
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		output[type].print_ip_opts |= EVSEL__PRINT_DSO;
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	if (PRINT_FIELD(SYMOFFSET))
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		output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
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	if (PRINT_FIELD(SRCLINE))
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		output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
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}

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/*
 * verify all user requested events exist and the samples
 * have the expected data
 */
static int perf_session__check_output_opt(struct perf_session *session)
{
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	unsigned int j;
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	struct perf_evsel *evsel;

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	for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
		evsel = perf_session__find_first_evtype(session, attr_type(j));
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		/*
		 * even if fields is set to 0 (ie., show nothing) event must
		 * exist if user explicitly includes it on the command line
		 */
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		if (!evsel && output[j].user_set && !output[j].wildcard_set &&
		    j != OUTPUT_TYPE_SYNTH) {
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			pr_err("%s events do not exist. "
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			       "Remove corresponding -F option to proceed.\n",
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			       event_type(j));
			return -1;
		}

		if (evsel && output[j].fields &&
			perf_evsel__check_attr(evsel, session))
			return -1;
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		if (evsel == NULL)
			continue;

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		set_print_ip_opts(&evsel->attr);
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	}

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	if (!no_callchain) {
		bool use_callchain = false;
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		bool not_pipe = false;
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		evlist__for_each_entry(session->evlist, evsel) {
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			not_pipe = true;
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			if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
				use_callchain = true;
				break;
			}
		}
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		if (not_pipe && !use_callchain)
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			symbol_conf.use_callchain = false;
	}

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	/*
	 * set default for tracepoints to print symbols only
	 * if callchains are present
	 */
	if (symbol_conf.use_callchain &&
	    !output[PERF_TYPE_TRACEPOINT].user_set) {
		struct perf_event_attr *attr;

		j = PERF_TYPE_TRACEPOINT;

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		evlist__for_each_entry(session->evlist, evsel) {
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			if (evsel->attr.type != j)
				continue;

			attr = &evsel->attr;
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			if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
				output[j].fields |= PERF_OUTPUT_IP;
				output[j].fields |= PERF_OUTPUT_SYM;
				output[j].fields |= PERF_OUTPUT_DSO;
				set_print_ip_opts(attr);
				goto out;
			}
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		}
	}

out:
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	return 0;
}
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static int perf_sample__fprintf_iregs(struct perf_sample *sample,
				      struct perf_event_attr *attr, FILE *fp)
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{
	struct regs_dump *regs = &sample->intr_regs;
	uint64_t mask = attr->sample_regs_intr;
	unsigned i = 0, r;
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	int printed = 0;
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	if (!regs)
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		return 0;
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	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
		u64 val = regs->regs[i++];
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		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
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	}
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	return printed;
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}

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static int perf_sample__fprintf_uregs(struct perf_sample *sample,
				      struct perf_event_attr *attr, FILE *fp)
A
Andi Kleen 已提交
579 580 581 582
{
	struct regs_dump *regs = &sample->user_regs;
	uint64_t mask = attr->sample_regs_user;
	unsigned i = 0, r;
583
	int printed = 0;
A
Andi Kleen 已提交
584 585

	if (!regs || !regs->regs)
586
		return 0;
A
Andi Kleen 已提交
587

588
	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
A
Andi Kleen 已提交
589 590 591

	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
		u64 val = regs->regs[i++];
592
		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
A
Andi Kleen 已提交
593
	}
594 595

	return printed;
A
Andi Kleen 已提交
596 597
}

598 599
static int perf_sample__fprintf_start(struct perf_sample *sample,
				      struct thread *thread,
600 601
				      struct perf_evsel *evsel,
				      u32 type, FILE *fp)
602
{
603
	struct perf_event_attr *attr = &evsel->attr;
604
	unsigned long secs;
605
	unsigned long long nsecs;
606
	int printed = 0;
607 608 609

	if (PRINT_FIELD(COMM)) {
		if (latency_format)
610
			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
611
		else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
612
			printed += fprintf(fp, "%s ", thread__comm_str(thread));
613
		else
614
			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
615
	}
616

617
	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
618
		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
619
	else if (PRINT_FIELD(PID))
620
		printed += fprintf(fp, "%5d ", sample->pid);
621
	else if (PRINT_FIELD(TID))
622
		printed += fprintf(fp, "%5d ", sample->tid);
623 624 625

	if (PRINT_FIELD(CPU)) {
		if (latency_format)
626
			printed += fprintf(fp, "%3d ", sample->cpu);
627
		else
628
			printed += fprintf(fp, "[%03d] ", sample->cpu);
629
	}
630

631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659
	if (PRINT_FIELD(MISC)) {
		int ret = 0;

		#define has(m) \
			(sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m

		if (has(KERNEL))
			ret += fprintf(fp, "K");
		if (has(USER))
			ret += fprintf(fp, "U");
		if (has(HYPERVISOR))
			ret += fprintf(fp, "H");
		if (has(GUEST_KERNEL))
			ret += fprintf(fp, "G");
		if (has(GUEST_USER))
			ret += fprintf(fp, "g");

		switch (type) {
		case PERF_RECORD_MMAP:
		case PERF_RECORD_MMAP2:
			if (has(MMAP_DATA))
				ret += fprintf(fp, "M");
			break;
		case PERF_RECORD_COMM:
			if (has(COMM_EXEC))
				ret += fprintf(fp, "E");
			break;
		case PERF_RECORD_SWITCH:
		case PERF_RECORD_SWITCH_CPU_WIDE:
660
			if (has(SWITCH_OUT)) {
661
				ret += fprintf(fp, "S");
662 663 664
				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
					ret += fprintf(fp, "p");
			}
665 666 667 668 669 670 671 672 673 674
		default:
			break;
		}

		#undef has

		ret += fprintf(fp, "%*s", 6 - ret, " ");
		printed += ret;
	}

675 676
	if (PRINT_FIELD(TIME)) {
		nsecs = sample->time;
677 678
		secs = nsecs / NSEC_PER_SEC;
		nsecs -= secs * NSEC_PER_SEC;
679

680
		if (nanosecs)
681
			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
682 683 684
		else {
			char sample_time[32];
			timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
685
			printed += fprintf(fp, "%12s: ", sample_time);
686
		}
687
	}
688 689

	return printed;
690 691
}

692 693 694 695 696 697 698 699 700
static inline char
mispred_str(struct branch_entry *br)
{
	if (!(br->flags.mispred  || br->flags.predicted))
		return '-';

	return br->flags.predicted ? 'P' : 'M';
}

701 702 703
static int perf_sample__fprintf_brstack(struct perf_sample *sample,
					struct thread *thread,
					struct perf_event_attr *attr, FILE *fp)
704 705
{
	struct branch_stack *br = sample->branch_stack;
706 707
	struct addr_location alf, alt;
	u64 i, from, to;
708
	int printed = 0;
709 710

	if (!(br && br->nr))
711
		return 0;
712 713

	for (i = 0; i < br->nr; i++) {
714 715 716 717 718 719 720 721 722 723
		from = br->entries[i].from;
		to   = br->entries[i].to;

		if (PRINT_FIELD(DSO)) {
			memset(&alf, 0, sizeof(alf));
			memset(&alt, 0, sizeof(alt));
			thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
			thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
		}

724
		printed += fprintf(fp, " 0x%"PRIx64, from);
725
		if (PRINT_FIELD(DSO)) {
726 727 728
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
729 730
		}

731
		printed += fprintf(fp, "/0x%"PRIx64, to);
732
		if (PRINT_FIELD(DSO)) {
733 734 735
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
736 737
		}

738
		printed += fprintf(fp, "/%c/%c/%c/%d ",
739 740 741 742 743
			mispred_str( br->entries + i),
			br->entries[i].flags.in_tx? 'X' : '-',
			br->entries[i].flags.abort? 'A' : '-',
			br->entries[i].flags.cycles);
	}
744 745

	return printed;
746 747
}

748 749 750
static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
					   struct thread *thread,
					   struct perf_event_attr *attr, FILE *fp)
751 752 753 754
{
	struct branch_stack *br = sample->branch_stack;
	struct addr_location alf, alt;
	u64 i, from, to;
755
	int printed = 0;
756 757

	if (!(br && br->nr))
758
		return 0;
759 760 761 762 763 764 765 766

	for (i = 0; i < br->nr; i++) {

		memset(&alf, 0, sizeof(alf));
		memset(&alt, 0, sizeof(alt));
		from = br->entries[i].from;
		to   = br->entries[i].to;

767
		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
768
		if (alf.map)
769
			alf.sym = map__find_symbol(alf.map, alf.addr);
770

771
		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
772
		if (alt.map)
773
			alt.sym = map__find_symbol(alt.map, alt.addr);
774

775
		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
776
		if (PRINT_FIELD(DSO)) {
777 778 779
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
780
		}
781 782
		printed += fprintf(fp, "%c", '/');
		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
783
		if (PRINT_FIELD(DSO)) {
784 785 786
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
787
		}
788
		printed += fprintf(fp, "/%c/%c/%c/%d ",
789 790 791 792 793
			mispred_str( br->entries + i),
			br->entries[i].flags.in_tx? 'X' : '-',
			br->entries[i].flags.abort? 'A' : '-',
			br->entries[i].flags.cycles);
	}
794 795

	return printed;
796 797
}

798 799 800
static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
					   struct thread *thread,
					   struct perf_event_attr *attr, FILE *fp)
801 802 803 804
{
	struct branch_stack *br = sample->branch_stack;
	struct addr_location alf, alt;
	u64 i, from, to;
805
	int printed = 0;
806 807

	if (!(br && br->nr))
808
		return 0;
809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824

	for (i = 0; i < br->nr; i++) {

		memset(&alf, 0, sizeof(alf));
		memset(&alt, 0, sizeof(alt));
		from = br->entries[i].from;
		to   = br->entries[i].to;

		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
		if (alf.map && !alf.map->dso->adjust_symbols)
			from = map__map_ip(alf.map, from);

		thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
		if (alt.map && !alt.map->dso->adjust_symbols)
			to = map__map_ip(alt.map, to);

825
		printed += fprintf(fp, " 0x%"PRIx64, from);
826
		if (PRINT_FIELD(DSO)) {
827 828 829
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
830
		}
831
		printed += fprintf(fp, "/0x%"PRIx64, to);
832
		if (PRINT_FIELD(DSO)) {
833 834 835
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
836
		}
837
		printed += fprintf(fp, "/%c/%c/%c/%d ",
838 839 840 841 842
			mispred_str(br->entries + i),
			br->entries[i].flags.in_tx ? 'X' : '-',
			br->entries[i].flags.abort ? 'A' : '-',
			br->entries[i].flags.cycles);
	}
843 844

	return printed;
845
}
846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871
#define MAXBB 16384UL

static int grab_bb(u8 *buffer, u64 start, u64 end,
		    struct machine *machine, struct thread *thread,
		    bool *is64bit, u8 *cpumode, bool last)
{
	long offset, len;
	struct addr_location al;
	bool kernel;

	if (!start || !end)
		return 0;

	kernel = machine__kernel_ip(machine, start);
	if (kernel)
		*cpumode = PERF_RECORD_MISC_KERNEL;
	else
		*cpumode = PERF_RECORD_MISC_USER;

	/*
	 * Block overlaps between kernel and user.
	 * This can happen due to ring filtering
	 * On Intel CPUs the entry into the kernel is filtered,
	 * but the exit is not. Let the caller patch it up.
	 */
	if (kernel != machine__kernel_ip(machine, end)) {
872
		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
873 874 875 876 877 878
		return -ENXIO;
	}

	memset(&al, 0, sizeof(al));
	if (end - start > MAXBB - MAXINSN) {
		if (last)
879
			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
880
		else
881
			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
882 883 884 885 886
		return 0;
	}

	thread__find_addr_map(thread, *cpumode, MAP__FUNCTION, start, &al);
	if (!al.map || !al.map->dso) {
887
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
888 889 890
		return 0;
	}
	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
891
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
892 893 894 895 896 897 898 899 900 901 902 903
		return 0;
	}

	/* Load maps to ensure dso->is_64_bit has been updated */
	map__load(al.map);

	offset = al.map->map_ip(al.map, start);
	len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
				    end - start + MAXINSN);

	*is64bit = al.map->dso->is_64_bit;
	if (len <= 0)
904
		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
905 906 907 908
			start, end);
	return len;
}

909 910 911
static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
			    struct perf_insn *x, u8 *inbuf, int len,
			    int insn, FILE *fp)
912
{
913 914 915 916 917 918
	int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
			      dump_insn(x, ip, inbuf, len, NULL),
			      en->flags.predicted ? " PRED" : "",
			      en->flags.mispred ? " MISPRED" : "",
			      en->flags.in_tx ? " INTX" : "",
			      en->flags.abort ? " ABORT" : "");
919
	if (en->flags.cycles) {
920
		printed += fprintf(fp, " %d cycles", en->flags.cycles);
921
		if (insn)
922
			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
923
	}
924
	return printed + fprintf(fp, "\n");
925 926
}

927 928 929
static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
			   u8 cpumode, int cpu, struct symbol **lastsym,
			   struct perf_event_attr *attr, FILE *fp)
930 931
{
	struct addr_location al;
932
	int off, printed = 0;
933 934 935 936 937 938 939 940

	memset(&al, 0, sizeof(al));

	thread__find_addr_map(thread, cpumode, MAP__FUNCTION, addr, &al);
	if (!al.map)
		thread__find_addr_map(thread, cpumode, MAP__VARIABLE,
				      addr, &al);
	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
941
		return 0;
942 943 944 945 946 947 948

	al.cpu = cpu;
	al.sym = NULL;
	if (al.map)
		al.sym = map__find_symbol(al.map, al.addr);

	if (!al.sym)
949
		return 0;
950 951 952 953 954

	if (al.addr < al.sym->end)
		off = al.addr - al.sym->start;
	else
		off = al.addr - al.map->start - al.sym->start;
955
	printed += fprintf(fp, "\t%s", al.sym->name);
956
	if (off)
957 958
		printed += fprintf(fp, "%+d", off);
	printed += fprintf(fp, ":");
959
	if (PRINT_FIELD(SRCLINE))
960 961
		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
	printed += fprintf(fp, "\n");
962
	*lastsym = al.sym;
963 964

	return printed;
965 966
}

967 968 969 970
static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
					    struct thread *thread,
					    struct perf_event_attr *attr,
					    struct machine *machine, FILE *fp)
971 972 973
{
	struct branch_stack *br = sample->branch_stack;
	u64 start, end;
974
	int i, insn, len, nr, ilen, printed = 0;
975 976 977 978 979 980
	struct perf_insn x;
	u8 buffer[MAXBB];
	unsigned off;
	struct symbol *lastsym = NULL;

	if (!(br && br->nr))
981
		return 0;
982 983 984 985 986 987 988
	nr = br->nr;
	if (max_blocks && nr > max_blocks + 1)
		nr = max_blocks + 1;

	x.thread = thread;
	x.cpu = sample->cpu;

989
	printed += fprintf(fp, "%c", '\n');
990 991 992 993 994 995

	/* Handle first from jump, of which we don't know the entry. */
	len = grab_bb(buffer, br->entries[nr-1].from,
			br->entries[nr-1].from,
			machine, thread, &x.is64bit, &x.cpumode, false);
	if (len > 0) {
996 997 998 999
		printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
					   x.cpumode, x.cpu, &lastsym, attr, fp);
		printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
					    &x, buffer, len, 0, fp);
1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024
	}

	/* Print all blocks */
	for (i = nr - 2; i >= 0; i--) {
		if (br->entries[i].from || br->entries[i].to)
			pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
				 br->entries[i].from,
				 br->entries[i].to);
		start = br->entries[i + 1].to;
		end   = br->entries[i].from;

		len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
		/* Patch up missing kernel transfers due to ring filters */
		if (len == -ENXIO && i > 0) {
			end = br->entries[--i].from;
			pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
			len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
		}
		if (len <= 0)
			continue;

		insn = 0;
		for (off = 0;; off += ilen) {
			uint64_t ip = start + off;

1025
			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1026
			if (ip == end) {
1027
				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1028 1029
				break;
			} else {
1030 1031
				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043
				if (ilen == 0)
					break;
				insn++;
			}
		}
	}

	/*
	 * Hit the branch? In this case we are already done, and the target
	 * has not been executed yet.
	 */
	if (br->entries[0].from == sample->ip)
1044
		goto out;
1045
	if (br->entries[0].flags.abort)
1046
		goto out;
1047 1048 1049 1050 1051 1052 1053

	/*
	 * Print final block upto sample
	 */
	start = br->entries[0].to;
	end = sample->ip;
	len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1054
	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1055 1056 1057 1058 1059
	if (len <= 0) {
		/* Print at least last IP if basic block did not work */
		len = grab_bb(buffer, sample->ip, sample->ip,
			      machine, thread, &x.is64bit, &x.cpumode, false);
		if (len <= 0)
1060
			goto out;
1061

1062
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1063
			dump_insn(&x, sample->ip, buffer, len, NULL));
1064
		goto out;
1065 1066
	}
	for (off = 0; off <= end - start; off += ilen) {
1067 1068
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1069 1070 1071
		if (ilen == 0)
			break;
	}
1072 1073
out:
	return printed;
1074
}
1075

1076 1077 1078
static int perf_sample__fprintf_addr(struct perf_sample *sample,
				     struct thread *thread,
				     struct perf_event_attr *attr, FILE *fp)
1079 1080
{
	struct addr_location al;
1081
	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1082 1083

	if (!sample_addr_correlates_sym(attr))
1084
		goto out;
1085

1086
	thread__resolve(thread, &al, sample);
1087 1088

	if (PRINT_FIELD(SYM)) {
1089
		printed += fprintf(fp, " ");
1090
		if (PRINT_FIELD(SYMOFFSET))
1091
			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1092
		else
1093
			printed += symbol__fprintf_symname(al.sym, fp);
1094 1095 1096
	}

	if (PRINT_FIELD(DSO)) {
1097 1098 1099
		printed += fprintf(fp, " (");
		printed += map__fprintf_dsoname(al.map, fp);
		printed += fprintf(fp, ")");
1100
	}
1101 1102
out:
	return printed;
1103 1104
}

1105 1106 1107 1108
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
					   struct perf_evsel *evsel,
					   struct thread *thread,
					   struct addr_location *al, FILE *fp)
1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
{
	struct perf_event_attr *attr = &evsel->attr;
	size_t depth = thread_stack__depth(thread);
	struct addr_location addr_al;
	const char *name = NULL;
	static int spacing;
	int len = 0;
	u64 ip = 0;

	/*
	 * The 'return' has already been popped off the stack so the depth has
	 * to be adjusted to match the 'call'.
	 */
	if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
		depth += 1;

	if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
		if (sample_addr_correlates_sym(attr)) {
			thread__resolve(thread, &addr_al, sample);
			if (addr_al.sym)
				name = addr_al.sym->name;
			else
				ip = sample->addr;
		} else {
			ip = sample->addr;
		}
	} else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
		if (al->sym)
			name = al->sym->name;
		else
			ip = sample->ip;
	}

	if (name)
1143
		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1144
	else if (ip)
1145
		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1146 1147

	if (len < 0)
1148
		return len;
1149 1150 1151 1152 1153 1154 1155 1156 1157

	/*
	 * Try to keep the output length from changing frequently so that the
	 * output lines up more nicely.
	 */
	if (len > spacing || (len && len < spacing - 52))
		spacing = round_up(len + 4, 32);

	if (len < spacing)
1158 1159 1160
		len += fprintf(fp, "%*s", spacing - len, "");

	return len;
1161 1162
}

1163 1164 1165 1166
static int perf_sample__fprintf_insn(struct perf_sample *sample,
				     struct perf_event_attr *attr,
				     struct thread *thread,
				     struct machine *machine, FILE *fp)
A
Andi Kleen 已提交
1167
{
1168 1169
	int printed = 0;

A
Andi Kleen 已提交
1170
	if (PRINT_FIELD(INSNLEN))
1171
		printed += fprintf(fp, " ilen: %d", sample->insn_len);
A
Andi Kleen 已提交
1172 1173 1174
	if (PRINT_FIELD(INSN)) {
		int i;

1175
		printed += fprintf(fp, " insn:");
A
Andi Kleen 已提交
1176
		for (i = 0; i < sample->insn_len; i++)
1177
			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
A
Andi Kleen 已提交
1178
	}
1179
	if (PRINT_FIELD(BRSTACKINSN))
1180 1181 1182
		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);

	return printed;
A
Andi Kleen 已提交
1183 1184
}

1185 1186 1187 1188 1189
static int perf_sample__fprintf_bts(struct perf_sample *sample,
				    struct perf_evsel *evsel,
				    struct thread *thread,
				    struct addr_location *al,
				    struct machine *machine, FILE *fp)
1190 1191
{
	struct perf_event_attr *attr = &evsel->attr;
1192
	unsigned int type = output_type(attr->type);
1193
	bool print_srcline_last = false;
1194
	int printed = 0;
1195

1196
	if (PRINT_FIELD(CALLINDENT))
1197
		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1198

1199 1200
	/* print branch_from information */
	if (PRINT_FIELD(IP)) {
1201
		unsigned int print_opts = output[type].print_ip_opts;
1202
		struct callchain_cursor *cursor = NULL;
1203

1204
		if (symbol_conf.use_callchain && sample->callchain &&
1205
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1206
					      sample, NULL, NULL, scripting_max_stack) == 0)
1207
			cursor = &callchain_cursor;
1208 1209

		if (cursor == NULL) {
1210
			printed += fprintf(fp, " ");
1211
			if (print_opts & EVSEL__PRINT_SRCLINE) {
1212
				print_srcline_last = true;
1213
				print_opts &= ~EVSEL__PRINT_SRCLINE;
1214
			}
1215
		} else
1216
			printed += fprintf(fp, "\n");
1217

1218
		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1219 1220 1221
	}

	/* print branch_to information */
1222 1223
	if (PRINT_FIELD(ADDR) ||
	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1224
	     !output[type].user_set)) {
1225 1226
		printed += fprintf(fp, " => ");
		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1227
	}
1228

1229
	if (print_srcline_last)
1230
		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
A
Andi Kleen 已提交
1231

1232 1233
	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
	return printed + fprintf(fp, "\n");
1234 1235
}

1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255
static struct {
	u32 flags;
	const char *name;
} sample_flags[] = {
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
	{PERF_IP_FLAG_BRANCH, "jmp"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC |	PERF_IP_FLAG_INTERRUPT, "hw int"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
	{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
	{0, NULL}
};

1256
static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1257 1258 1259
{
	const char *chars = PERF_IP_FLAG_CHARS;
	const int n = strlen(PERF_IP_FLAG_CHARS);
1260 1261
	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
	const char *name = NULL;
1262 1263 1264
	char str[33];
	int i, pos = 0;

1265 1266 1267 1268 1269 1270 1271
	for (i = 0; sample_flags[i].name ; i++) {
		if (sample_flags[i].flags == (flags & ~PERF_IP_FLAG_IN_TX)) {
			name = sample_flags[i].name;
			break;
		}
	}

1272 1273 1274 1275 1276 1277 1278 1279 1280
	for (i = 0; i < n; i++, flags >>= 1) {
		if (flags & 1)
			str[pos++] = chars[i];
	}
	for (; i < 32; i++, flags >>= 1) {
		if (flags & 1)
			str[pos++] = '?';
	}
	str[pos] = 0;
1281 1282

	if (name)
1283 1284 1285
		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");

	return fprintf(fp, "  %-11s ", str);
1286 1287
}

1288 1289 1290 1291 1292 1293
struct printer_data {
	int line_no;
	bool hit_nul;
	bool is_printable;
};

1294 1295 1296
static int sample__fprintf_bpf_output(enum binary_printer_ops op,
				      unsigned int val,
				      void *extra, FILE *fp)
1297 1298 1299
{
	unsigned char ch = (unsigned char)val;
	struct printer_data *printer_data = extra;
1300
	int printed = 0;
1301 1302 1303

	switch (op) {
	case BINARY_PRINT_DATA_BEGIN:
1304
		printed += fprintf(fp, "\n");
1305 1306
		break;
	case BINARY_PRINT_LINE_BEGIN:
1307
		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1308 1309 1310
						        "           ");
		break;
	case BINARY_PRINT_ADDR:
1311
		printed += fprintf(fp, " %04x:", val);
1312 1313
		break;
	case BINARY_PRINT_NUM_DATA:
1314
		printed += fprintf(fp, " %02x", val);
1315 1316
		break;
	case BINARY_PRINT_NUM_PAD:
1317
		printed += fprintf(fp, "   ");
1318 1319
		break;
	case BINARY_PRINT_SEP:
1320
		printed += fprintf(fp, "  ");
1321 1322 1323 1324 1325 1326
		break;
	case BINARY_PRINT_CHAR_DATA:
		if (printer_data->hit_nul && ch)
			printer_data->is_printable = false;

		if (!isprint(ch)) {
1327
			printed += fprintf(fp, "%c", '.');
1328 1329 1330 1331 1332 1333 1334 1335 1336

			if (!printer_data->is_printable)
				break;

			if (ch == '\0')
				printer_data->hit_nul = true;
			else
				printer_data->is_printable = false;
		} else {
1337
			printed += fprintf(fp, "%c", ch);
1338 1339 1340
		}
		break;
	case BINARY_PRINT_CHAR_PAD:
1341
		printed += fprintf(fp, " ");
1342 1343
		break;
	case BINARY_PRINT_LINE_END:
1344
		printed += fprintf(fp, "\n");
1345 1346 1347 1348 1349 1350
		printer_data->line_no++;
		break;
	case BINARY_PRINT_DATA_END:
	default:
		break;
	}
1351 1352

	return printed;
1353 1354
}

1355
static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1356 1357 1358
{
	unsigned int nr_bytes = sample->raw_size;
	struct printer_data printer_data = {0, false, true};
1359 1360
	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
				      sample__fprintf_bpf_output, &printer_data, fp);
1361 1362

	if (printer_data.is_printable && printer_data.hit_nul)
1363 1364 1365
		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));

	return printed;
1366 1367
}

1368
static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1369 1370
{
	if (len > 0 && len < spacing)
1371 1372 1373
		return fprintf(fp, "%*s", spacing - len, "");

	return 0;
1374 1375
}

1376
static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1377
{
1378
	return perf_sample__fprintf_spacing(len, 34, fp);
1379 1380
}

1381
static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1382 1383 1384 1385 1386
{
	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1387
		return 0;
1388

1389
	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1390
		     data->ip, le64_to_cpu(data->payload));
1391
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1392 1393
}

1394
static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1395 1396 1397 1398 1399
{
	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1400
		return 0;
1401

1402 1403 1404
	len = fprintf(fp, " hints: %#x extensions: %#x ",
		      data->hints, data->extensions);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1405 1406
}

1407
static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1408 1409 1410 1411 1412
{
	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1413
		return 0;
1414

1415 1416 1417
	len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
		      data->hw, data->cstate, data->subcstate);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1418 1419
}

1420
static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1421 1422 1423 1424 1425
{
	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1426
		return 0;
1427

1428 1429
	len = fprintf(fp, " IP: %u ", data->ip);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1430 1431
}

1432
static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1433 1434 1435 1436 1437
{
	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1438
		return 0;
1439

1440
	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1441 1442
		     data->deepest_cstate, data->last_cstate,
		     data->wake_reason);
1443
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1444 1445
}

1446
static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1447 1448 1449 1450 1451 1452
{
	struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
	unsigned int percent, freq;
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1453
		return 0;
1454 1455

	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1456
	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1457 1458
	if (data->max_nonturbo) {
		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1459
		len += fprintf(fp, "(%3u%%) ", percent);
1460
	}
1461
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1462 1463
}

1464 1465
static int perf_sample__fprintf_synth(struct perf_sample *sample,
				      struct perf_evsel *evsel, FILE *fp)
1466 1467
{
	switch (evsel->attr.config) {
1468
	case PERF_SYNTH_INTEL_PTWRITE:
1469
		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1470
	case PERF_SYNTH_INTEL_MWAIT:
1471
		return perf_sample__fprintf_synth_mwait(sample, fp);
1472
	case PERF_SYNTH_INTEL_PWRE:
1473
		return perf_sample__fprintf_synth_pwre(sample, fp);
1474
	case PERF_SYNTH_INTEL_EXSTOP:
1475
		return perf_sample__fprintf_synth_exstop(sample, fp);
1476
	case PERF_SYNTH_INTEL_PWRX:
1477
		return perf_sample__fprintf_synth_pwrx(sample, fp);
1478
	case PERF_SYNTH_INTEL_CBR:
1479
		return perf_sample__fprintf_synth_cbr(sample, fp);
1480 1481 1482
	default:
		break;
	}
1483 1484

	return 0;
1485 1486
}

1487 1488 1489 1490 1491 1492
struct perf_script {
	struct perf_tool	tool;
	struct perf_session	*session;
	bool			show_task_events;
	bool			show_mmap_events;
	bool			show_switch_events;
1493
	bool			show_namespace_events;
1494
	bool			show_lost_events;
1495
	bool			show_round_events;
1496
	bool			allocated;
1497
	bool			per_event_dump;
1498 1499
	struct cpu_map		*cpus;
	struct thread_map	*threads;
1500
	int			name_width;
1501
	const char              *time_str;
1502 1503
	struct perf_time_interval *ptime_range;
	int			range_size;
1504
	int			range_num;
1505 1506
};

1507 1508 1509 1510 1511
static int perf_evlist__max_name_len(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel;
	int max = 0;

1512
	evlist__for_each_entry(evlist, evsel) {
1513 1514 1515 1516 1517 1518 1519 1520
		int len = strlen(perf_evsel__name(evsel));

		max = MAX(len, max);
	}

	return max;
}

1521
static int data_src__fprintf(u64 data_src, FILE *fp)
J
Jiri Olsa 已提交
1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534
{
	struct mem_info mi = { .data_src.val = data_src };
	char decode[100];
	char out[100];
	static int maxlen;
	int len;

	perf_script__meminfo_scnprintf(decode, 100, &mi);

	len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
	if (maxlen < len)
		maxlen = len;

1535
	return fprintf(fp, "%-*s", maxlen, out);
J
Jiri Olsa 已提交
1536 1537
}

1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553
struct metric_ctx {
	struct perf_sample	*sample;
	struct thread		*thread;
	struct perf_evsel	*evsel;
	FILE 			*fp;
};

static void script_print_metric(void *ctx, const char *color,
			        const char *fmt,
			        const char *unit, double val)
{
	struct metric_ctx *mctx = ctx;

	if (!fmt)
		return;
	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1554
				   PERF_RECORD_SAMPLE, mctx->fp);
1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567
	fputs("\tmetric: ", mctx->fp);
	if (color)
		color_fprintf(mctx->fp, color, fmt, val);
	else
		printf(fmt, val);
	fprintf(mctx->fp, " %s\n", unit);
}

static void script_new_line(void *ctx)
{
	struct metric_ctx *mctx = ctx;

	perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1568
				   PERF_RECORD_SAMPLE, mctx->fp);
1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603
	fputs("\tmetric: ", mctx->fp);
}

static void perf_sample__fprint_metric(struct perf_script *script,
				       struct thread *thread,
				       struct perf_evsel *evsel,
				       struct perf_sample *sample,
				       FILE *fp)
{
	struct perf_stat_output_ctx ctx = {
		.print_metric = script_print_metric,
		.new_line = script_new_line,
		.ctx = &(struct metric_ctx) {
				.sample = sample,
				.thread = thread,
				.evsel  = evsel,
				.fp     = fp,
			 },
		.force_header = false,
	};
	struct perf_evsel *ev2;
	static bool init;
	u64 val;

	if (!init) {
		perf_stat__init_shadow_stats();
		init = true;
	}
	if (!evsel->stats)
		perf_evlist__alloc_stats(script->session->evlist, false);
	if (evsel_script(evsel->leader)->gnum++ == 0)
		perf_stat__reset_shadow_stats();
	val = sample->period * evsel->scale;
	perf_stat__update_shadow_stats(evsel,
				       val,
1604 1605
				       sample->cpu,
				       &rt_stat);
1606 1607 1608 1609 1610 1611 1612
	evsel_script(evsel)->val = val;
	if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
		for_each_group_member (ev2, evsel->leader) {
			perf_stat__print_shadow_stats(ev2,
						      evsel_script(ev2)->val,
						      sample->cpu,
						      &ctx,
J
Jin Yao 已提交
1613 1614
						      NULL,
						      &rt_stat);
1615 1616 1617 1618 1619
		}
		evsel_script(evsel->leader)->gnum = 0;
	}
}

1620
static void process_event(struct perf_script *script,
1621
			  struct perf_sample *sample, struct perf_evsel *evsel,
1622 1623
			  struct addr_location *al,
			  struct machine *machine)
1624
{
1625
	struct thread *thread = al->thread;
1626
	struct perf_event_attr *attr = &evsel->attr;
1627
	unsigned int type = output_type(attr->type);
1628 1629
	struct perf_evsel_script *es = evsel->priv;
	FILE *fp = es->fp;
1630

1631
	if (output[type].fields == 0)
1632 1633
		return;

1634 1635
	++es->samples;

1636 1637
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SAMPLE, fp);
1638

J
Jiri Olsa 已提交
1639
	if (PRINT_FIELD(PERIOD))
1640
		fprintf(fp, "%10" PRIu64 " ", sample->period);
J
Jiri Olsa 已提交
1641

1642 1643
	if (PRINT_FIELD(EVNAME)) {
		const char *evname = perf_evsel__name(evsel);
1644 1645 1646 1647

		if (!script->name_width)
			script->name_width = perf_evlist__max_name_len(script->session->evlist);

1648
		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1649 1650
	}

1651
	if (print_flags)
1652
		perf_sample__fprintf_flags(sample->flags, fp);
1653

1654
	if (is_bts_event(attr)) {
1655
		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1656 1657 1658
		return;
	}

1659 1660 1661 1662
	if (PRINT_FIELD(TRACE)) {
		event_format__fprintf(evsel->tp_format, sample->cpu,
				      sample->raw_data, sample->raw_size, fp);
	}
1663 1664

	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1665
		perf_sample__fprintf_synth(sample, evsel, fp);
1666

1667
	if (PRINT_FIELD(ADDR))
1668
		perf_sample__fprintf_addr(sample, thread, attr, fp);
1669

1670
	if (PRINT_FIELD(DATA_SRC))
1671
		data_src__fprintf(sample->data_src, fp);
1672 1673

	if (PRINT_FIELD(WEIGHT))
1674
		fprintf(fp, "%16" PRIu64, sample->weight);
1675

1676
	if (PRINT_FIELD(IP)) {
1677
		struct callchain_cursor *cursor = NULL;
1678

1679
		if (symbol_conf.use_callchain && sample->callchain &&
1680
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1681
					      sample, NULL, NULL, scripting_max_stack) == 0)
1682
			cursor = &callchain_cursor;
1683

1684 1685
		fputc(cursor ? '\n' : ' ', fp);
		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1686 1687
	}

1688
	if (PRINT_FIELD(IREGS))
1689
		perf_sample__fprintf_iregs(sample, attr, fp);
1690

A
Andi Kleen 已提交
1691
	if (PRINT_FIELD(UREGS))
1692
		perf_sample__fprintf_uregs(sample, attr, fp);
A
Andi Kleen 已提交
1693

1694
	if (PRINT_FIELD(BRSTACK))
1695
		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1696
	else if (PRINT_FIELD(BRSTACKSYM))
1697
		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1698
	else if (PRINT_FIELD(BRSTACKOFF))
1699
		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1700

1701
	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1702 1703
		perf_sample__fprintf_bpf_output(sample, fp);
	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1704 1705

	if (PRINT_FIELD(PHYS_ADDR))
1706 1707
		fprintf(fp, "%16" PRIx64, sample->phys_addr);
	fprintf(fp, "\n");
1708 1709 1710

	if (PRINT_FIELD(METRIC))
		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1711 1712
}

T
Tom Zanussi 已提交
1713 1714
static struct scripting_ops	*scripting_ops;

1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748
static void __process_stat(struct perf_evsel *counter, u64 tstamp)
{
	int nthreads = thread_map__nr(counter->threads);
	int ncpus = perf_evsel__nr_cpus(counter);
	int cpu, thread;
	static int header_printed;

	if (counter->system_wide)
		nthreads = 1;

	if (!header_printed) {
		printf("%3s %8s %15s %15s %15s %15s %s\n",
		       "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
		header_printed = 1;
	}

	for (thread = 0; thread < nthreads; thread++) {
		for (cpu = 0; cpu < ncpus; cpu++) {
			struct perf_counts_values *counts;

			counts = perf_counts(counter->counts, cpu, thread);

			printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
				counter->cpus->map[cpu],
				thread_map__pid(counter->threads, thread),
				counts->val,
				counts->ena,
				counts->run,
				tstamp,
				perf_evsel__name(counter));
		}
	}
}

1749 1750 1751 1752
static void process_stat(struct perf_evsel *counter, u64 tstamp)
{
	if (scripting_ops && scripting_ops->process_stat)
		scripting_ops->process_stat(&stat_config, counter, tstamp);
1753 1754
	else
		__process_stat(counter, tstamp);
1755 1756 1757 1758 1759 1760 1761 1762
}

static void process_stat_interval(u64 tstamp)
{
	if (scripting_ops && scripting_ops->process_stat_interval)
		scripting_ops->process_stat_interval(tstamp);
}

T
Tom Zanussi 已提交
1763 1764
static void setup_scripting(void)
{
1765
	setup_perl_scripting();
1766
	setup_python_scripting();
T
Tom Zanussi 已提交
1767 1768
}

1769 1770
static int flush_scripting(void)
{
1771
	return scripting_ops ? scripting_ops->flush_script() : 0;
1772 1773
}

T
Tom Zanussi 已提交
1774 1775
static int cleanup_scripting(void)
{
1776
	pr_debug("\nperf script stopped\n");
1777

1778
	return scripting_ops ? scripting_ops->stop_script() : 0;
T
Tom Zanussi 已提交
1779 1780
}

1781
static int process_sample_event(struct perf_tool *tool,
1782
				union perf_event *event,
1783
				struct perf_sample *sample,
1784
				struct perf_evsel *evsel,
1785
				struct machine *machine)
F
Frederic Weisbecker 已提交
1786
{
1787
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1788
	struct addr_location al;
F
Frederic Weisbecker 已提交
1789

1790 1791
	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
					  sample->time)) {
1792
		return 0;
1793
	}
1794

1795 1796 1797 1798 1799 1800
	if (debug_mode) {
		if (sample->time < last_timestamp) {
			pr_err("Samples misordered, previous: %" PRIu64
				" this: %" PRIu64 "\n", last_timestamp,
				sample->time);
			nr_unordered++;
1801
		}
1802 1803
		last_timestamp = sample->time;
		return 0;
F
Frederic Weisbecker 已提交
1804
	}
1805

1806
	if (machine__resolve(machine, &al, sample) < 0) {
1807 1808 1809 1810 1811 1812
		pr_err("problem processing %d event, skipping it.\n",
		       event->header.type);
		return -1;
	}

	if (al.filtered)
1813
		goto out_put;
1814

1815
	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1816
		goto out_put;
1817

1818 1819 1820
	if (scripting_ops)
		scripting_ops->process_event(event, sample, evsel, &al);
	else
1821
		process_event(scr, sample, evsel, &al, machine);
1822

1823 1824
out_put:
	addr_location__put(&al);
F
Frederic Weisbecker 已提交
1825 1826 1827
	return 0;
}

1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842
static int process_attr(struct perf_tool *tool, union perf_event *event,
			struct perf_evlist **pevlist)
{
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
	struct perf_evlist *evlist;
	struct perf_evsel *evsel, *pos;
	int err;

	err = perf_event__process_attr(tool, event, pevlist);
	if (err)
		return err;

	evlist = *pevlist;
	evsel = perf_evlist__last(*pevlist);

1843 1844
	if (evsel->attr.type >= PERF_TYPE_MAX &&
	    evsel->attr.type != PERF_TYPE_SYNTH)
1845 1846
		return 0;

1847
	evlist__for_each_entry(evlist, pos) {
1848 1849 1850 1851 1852 1853
		if (pos->attr.type == evsel->attr.type && pos != evsel)
			return 0;
	}

	set_print_ip_opts(&evsel->attr);

1854 1855 1856 1857
	if (evsel->attr.sample_type)
		err = perf_evsel__check_attr(evsel, scr->session);

	return err;
1858 1859
}

1860 1861 1862 1863 1864 1865 1866 1867
static int process_comm_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1868
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885
	int ret = -1;

	thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
	if (thread == NULL) {
		pr_debug("problem processing COMM event, skipping it.\n");
		return -1;
	}

	if (perf_event__process_comm(tool, event, sample, machine) < 0)
		goto out;

	if (!evsel->attr.sample_id_all) {
		sample->cpu = 0;
		sample->time = 0;
		sample->tid = event->comm.tid;
		sample->pid = event->comm.pid;
	}
1886 1887
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_COMM, stdout);
1888 1889 1890
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
1891
	thread__put(thread);
1892 1893 1894
	return ret;
}

1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921
static int process_namespaces_event(struct perf_tool *tool,
				    union perf_event *event,
				    struct perf_sample *sample,
				    struct machine *machine)
{
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
	int ret = -1;

	thread = machine__findnew_thread(machine, event->namespaces.pid,
					 event->namespaces.tid);
	if (thread == NULL) {
		pr_debug("problem processing NAMESPACES event, skipping it.\n");
		return -1;
	}

	if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
		goto out;

	if (!evsel->attr.sample_id_all) {
		sample->cpu = 0;
		sample->time = 0;
		sample->tid = event->namespaces.tid;
		sample->pid = event->namespaces.pid;
	}
1922 1923
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_NAMESPACES, stdout);
1924 1925 1926 1927 1928 1929 1930
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
	thread__put(thread);
	return ret;
}

1931 1932 1933 1934 1935 1936 1937 1938
static int process_fork_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1939
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955

	if (perf_event__process_fork(tool, event, sample, machine) < 0)
		return -1;

	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
	if (thread == NULL) {
		pr_debug("problem processing FORK event, skipping it.\n");
		return -1;
	}

	if (!evsel->attr.sample_id_all) {
		sample->cpu = 0;
		sample->time = event->fork.time;
		sample->tid = event->fork.tid;
		sample->pid = event->fork.pid;
	}
1956 1957
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_FORK, stdout);
1958
	perf_event__fprintf(event, stdout);
1959
	thread__put(thread);
1960 1961 1962 1963 1964 1965 1966 1967

	return 0;
}
static int process_exit_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
1968
	int err = 0;
1969 1970 1971
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1972
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1973 1974 1975 1976 1977 1978 1979 1980 1981 1982

	thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
	if (thread == NULL) {
		pr_debug("problem processing EXIT event, skipping it.\n");
		return -1;
	}

	if (!evsel->attr.sample_id_all) {
		sample->cpu = 0;
		sample->time = 0;
1983 1984
		sample->tid = event->fork.tid;
		sample->pid = event->fork.pid;
1985
	}
1986 1987
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_EXIT, stdout);
1988 1989 1990
	perf_event__fprintf(event, stdout);

	if (perf_event__process_exit(tool, event, sample, machine) < 0)
1991
		err = -1;
1992

1993 1994
	thread__put(thread);
	return err;
1995 1996
}

1997 1998 1999 2000 2001 2002 2003 2004
static int process_mmap_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
2005
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

	if (perf_event__process_mmap(tool, event, sample, machine) < 0)
		return -1;

	thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
	if (thread == NULL) {
		pr_debug("problem processing MMAP event, skipping it.\n");
		return -1;
	}

	if (!evsel->attr.sample_id_all) {
		sample->cpu = 0;
		sample->time = 0;
		sample->tid = event->mmap.tid;
		sample->pid = event->mmap.pid;
	}
2022 2023
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP, stdout);
2024
	perf_event__fprintf(event, stdout);
2025
	thread__put(thread);
2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036
	return 0;
}

static int process_mmap2_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
2037
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053

	if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
		return -1;

	thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
	if (thread == NULL) {
		pr_debug("problem processing MMAP2 event, skipping it.\n");
		return -1;
	}

	if (!evsel->attr.sample_id_all) {
		sample->cpu = 0;
		sample->time = 0;
		sample->tid = event->mmap2.tid;
		sample->pid = event->mmap2.pid;
	}
2054 2055
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP2, stdout);
2056
	perf_event__fprintf(event, stdout);
2057
	thread__put(thread);
2058 2059 2060
	return 0;
}

2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080
static int process_switch_event(struct perf_tool *tool,
				union perf_event *event,
				struct perf_sample *sample,
				struct machine *machine)
{
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);

	if (perf_event__process_switch(tool, event, sample, machine) < 0)
		return -1;

	thread = machine__findnew_thread(machine, sample->pid,
					 sample->tid);
	if (thread == NULL) {
		pr_debug("problem processing SWITCH event, skipping it.\n");
		return -1;
	}

2081 2082
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SWITCH, stdout);
2083 2084 2085 2086 2087
	perf_event__fprintf(event, stdout);
	thread__put(thread);
	return 0;
}

2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110
static int
process_lost_event(struct perf_tool *tool,
		   union perf_event *event,
		   struct perf_sample *sample,
		   struct machine *machine)
{
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
	struct thread *thread;

	thread = machine__findnew_thread(machine, sample->pid,
					 sample->tid);
	if (thread == NULL)
		return -1;

	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_LOST, stdout);
	perf_event__fprintf(event, stdout);
	thread__put(thread);
	return 0;
}

2111 2112 2113 2114 2115 2116 2117 2118 2119 2120
static int
process_finished_round_event(struct perf_tool *tool __maybe_unused,
			     union perf_event *event,
			     struct ordered_events *oe __maybe_unused)

{
	perf_event__fprintf(event, stdout);
	return 0;
}

2121
static void sig_handler(int sig __maybe_unused)
2122 2123 2124 2125
{
	session_done = 1;
}

2126 2127 2128 2129 2130 2131 2132 2133
static void perf_script__fclose_per_event_dump(struct perf_script *script)
{
	struct perf_evlist *evlist = script->session->evlist;
	struct perf_evsel *evsel;

	evlist__for_each_entry(evlist, evsel) {
		if (!evsel->priv)
			break;
2134
		perf_evsel_script__delete(evsel->priv);
2135 2136 2137 2138 2139 2140 2141 2142 2143
		evsel->priv = NULL;
	}
}

static int perf_script__fopen_per_event_dump(struct perf_script *script)
{
	struct perf_evsel *evsel;

	evlist__for_each_entry(script->session->evlist, evsel) {
2144 2145 2146 2147 2148 2149 2150 2151 2152 2153
		/*
		 * Already setup? I.e. we may be called twice in cases like
		 * Intel PT, one for the intel_pt// and dummy events, then
		 * for the evsels syntheized from the auxtrace info.
		 *
		 * Ses perf_script__process_auxtrace_info.
		 */
		if (evsel->priv != NULL)
			continue;

2154
		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168
		if (evsel->priv == NULL)
			goto out_err_fclose;
	}

	return 0;

out_err_fclose:
	perf_script__fclose_per_event_dump(script);
	return -1;
}

static int perf_script__setup_per_event_dump(struct perf_script *script)
{
	struct perf_evsel *evsel;
2169
	static struct perf_evsel_script es_stdout;
2170 2171 2172 2173

	if (script->per_event_dump)
		return perf_script__fopen_per_event_dump(script);

2174 2175
	es_stdout.fp = stdout;

2176
	evlist__for_each_entry(script->session->evlist, evsel)
2177
		evsel->priv = &es_stdout;
2178 2179 2180 2181

	return 0;
}

2182 2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194
static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
{
	struct perf_evsel *evsel;

	evlist__for_each_entry(script->session->evlist, evsel) {
		struct perf_evsel_script *es = evsel->priv;

		perf_evsel_script__fprintf(es, stdout);
		perf_evsel_script__delete(es);
		evsel->priv = NULL;
	}
}

2195
static int __cmd_script(struct perf_script *script)
F
Frederic Weisbecker 已提交
2196
{
2197 2198
	int ret;

2199 2200
	signal(SIGINT, sig_handler);

2201 2202 2203 2204 2205 2206
	/* override event processing functions */
	if (script->show_task_events) {
		script->tool.comm = process_comm_event;
		script->tool.fork = process_fork_event;
		script->tool.exit = process_exit_event;
	}
2207 2208 2209 2210
	if (script->show_mmap_events) {
		script->tool.mmap = process_mmap_event;
		script->tool.mmap2 = process_mmap2_event;
	}
2211 2212
	if (script->show_switch_events)
		script->tool.context_switch = process_switch_event;
2213 2214
	if (script->show_namespace_events)
		script->tool.namespaces = process_namespaces_event;
2215 2216
	if (script->show_lost_events)
		script->tool.lost = process_lost_event;
2217 2218 2219 2220
	if (script->show_round_events) {
		script->tool.ordered_events = false;
		script->tool.finished_round = process_finished_round_event;
	}
2221

2222 2223 2224 2225 2226
	if (perf_script__setup_per_event_dump(script)) {
		pr_err("Couldn't create the per event dump files\n");
		return -1;
	}

2227
	ret = perf_session__process_events(script->session);
2228

2229
	if (script->per_event_dump)
2230
		perf_script__exit_per_event_dump_stats(script);
2231

2232
	if (debug_mode)
2233
		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2234 2235

	return ret;
F
Frederic Weisbecker 已提交
2236 2237
}

T
Tom Zanussi 已提交
2238 2239 2240 2241 2242 2243
struct script_spec {
	struct list_head	node;
	struct scripting_ops	*ops;
	char			spec[0];
};

2244
static LIST_HEAD(script_specs);
T
Tom Zanussi 已提交
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

static struct script_spec *script_spec__new(const char *spec,
					    struct scripting_ops *ops)
{
	struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);

	if (s != NULL) {
		strcpy(s->spec, spec);
		s->ops = ops;
	}

	return s;
}

static void script_spec__add(struct script_spec *s)
{
	list_add_tail(&s->node, &script_specs);
}

static struct script_spec *script_spec__find(const char *spec)
{
	struct script_spec *s;

	list_for_each_entry(s, &script_specs, node)
		if (strcasecmp(s->spec, spec) == 0)
			return s;
	return NULL;
}

int script_spec_register(const char *spec, struct scripting_ops *ops)
{
	struct script_spec *s;

	s = script_spec__find(spec);
	if (s)
		return -1;

2282
	s = script_spec__new(spec, ops);
T
Tom Zanussi 已提交
2283 2284
	if (!s)
		return -1;
2285 2286
	else
		script_spec__add(s);
T
Tom Zanussi 已提交
2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305

	return 0;
}

static struct scripting_ops *script_spec__lookup(const char *spec)
{
	struct script_spec *s = script_spec__find(spec);
	if (!s)
		return NULL;

	return s->ops;
}

static void list_available_languages(void)
{
	struct script_spec *s;

	fprintf(stderr, "\n");
	fprintf(stderr, "Scripting language extensions (used in "
2306
		"perf script -s [spec:]script.[spec]):\n\n");
T
Tom Zanussi 已提交
2307 2308 2309 2310 2311 2312 2313

	list_for_each_entry(s, &script_specs, node)
		fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);

	fprintf(stderr, "\n");
}

2314 2315
static int parse_scriptname(const struct option *opt __maybe_unused,
			    const char *str, int unset __maybe_unused)
T
Tom Zanussi 已提交
2316 2317 2318 2319 2320
{
	char spec[PATH_MAX];
	const char *script, *ext;
	int len;

2321
	if (strcmp(str, "lang") == 0) {
T
Tom Zanussi 已提交
2322
		list_available_languages();
2323
		exit(0);
T
Tom Zanussi 已提交
2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342
	}

	script = strchr(str, ':');
	if (script) {
		len = script - str;
		if (len >= PATH_MAX) {
			fprintf(stderr, "invalid language specifier");
			return -1;
		}
		strncpy(spec, str, len);
		spec[len] = '\0';
		scripting_ops = script_spec__lookup(spec);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
			return -1;
		}
		script++;
	} else {
		script = str;
2343
		ext = strrchr(script, '.');
T
Tom Zanussi 已提交
2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359
		if (!ext) {
			fprintf(stderr, "invalid script extension");
			return -1;
		}
		scripting_ops = script_spec__lookup(++ext);
		if (!scripting_ops) {
			fprintf(stderr, "invalid script extension");
			return -1;
		}
	}

	script_name = strdup(script);

	return 0;
}

2360 2361
static int parse_output_fields(const struct option *opt __maybe_unused,
			    const char *arg, int unset __maybe_unused)
2362
{
2363
	char *tok, *strtok_saveptr = NULL;
2364
	int i, imax = ARRAY_SIZE(all_output_options);
2365
	int j;
2366 2367
	int rc = 0;
	char *str = strdup(arg);
2368
	int type = -1;
2369
	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2370 2371 2372 2373

	if (!str)
		return -ENOMEM;

2374 2375 2376
	/* first word can state for which event type the user is specifying
	 * the fields. If no type exists, the specified fields apply to all
	 * event types found in the file minus the invalid fields for a type.
2377
	 */
2378 2379 2380 2381 2382 2383 2384 2385 2386 2387
	tok = strchr(str, ':');
	if (tok) {
		*tok = '\0';
		tok++;
		if (!strcmp(str, "hw"))
			type = PERF_TYPE_HARDWARE;
		else if (!strcmp(str, "sw"))
			type = PERF_TYPE_SOFTWARE;
		else if (!strcmp(str, "trace"))
			type = PERF_TYPE_TRACEPOINT;
2388 2389
		else if (!strcmp(str, "raw"))
			type = PERF_TYPE_RAW;
2390 2391
		else if (!strcmp(str, "break"))
			type = PERF_TYPE_BREAKPOINT;
2392 2393
		else if (!strcmp(str, "synth"))
			type = OUTPUT_TYPE_SYNTH;
2394 2395
		else {
			fprintf(stderr, "Invalid event type in field string.\n");
2396 2397
			rc = -EINVAL;
			goto out;
2398 2399 2400 2401 2402 2403 2404 2405
		}

		if (output[type].user_set)
			pr_warning("Overriding previous field request for %s events.\n",
				   event_type(type));

		output[type].fields = 0;
		output[type].user_set = true;
2406
		output[type].wildcard_set = false;
2407 2408 2409 2410 2411 2412 2413 2414 2415 2416

	} else {
		tok = str;
		if (strlen(str) == 0) {
			fprintf(stderr,
				"Cannot set fields to 'none' for all event types.\n");
			rc = -EINVAL;
			goto out;
		}

2417 2418 2419 2420
		/* Don't override defaults for +- */
		if (strchr(str, '+') || strchr(str, '-'))
			goto parse;

2421 2422 2423
		if (output_set_by_user())
			pr_warning("Overriding previous field request for all events.\n");

2424
		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2425 2426
			output[j].fields = 0;
			output[j].user_set = true;
2427
			output[j].wildcard_set = true;
2428
		}
2429 2430
	}

2431
parse:
2432
	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448
		if (*tok == '+') {
			if (change == SET)
				goto out_badmix;
			change = ADD;
			tok++;
		} else if (*tok == '-') {
			if (change == SET)
				goto out_badmix;
			change = REMOVE;
			tok++;
		} else {
			if (change != SET && change != DEFAULT)
				goto out_badmix;
			change = SET;
		}

2449
		for (i = 0; i < imax; ++i) {
2450
			if (strcmp(tok, all_output_options[i].str) == 0)
2451 2452
				break;
		}
2453
		if (i == imax && strcmp(tok, "flags") == 0) {
2454
			print_flags = change == REMOVE ? false : true;
2455 2456
			continue;
		}
2457
		if (i == imax) {
2458
			fprintf(stderr, "Invalid field requested.\n");
2459
			rc = -EINVAL;
2460
			goto out;
2461 2462
		}

2463 2464 2465 2466
		if (type == -1) {
			/* add user option to all events types for
			 * which it is valid
			 */
2467
			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2468 2469 2470
				if (output[j].invalid_fields & all_output_options[i].field) {
					pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
						   all_output_options[i].str, event_type(j));
2471 2472 2473 2474 2475 2476
				} else {
					if (change == REMOVE)
						output[j].fields &= ~all_output_options[i].field;
					else
						output[j].fields |= all_output_options[i].field;
				}
2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487
			}
		} else {
			if (output[type].invalid_fields & all_output_options[i].field) {
				fprintf(stderr, "\'%s\' not valid for %s events.\n",
					 all_output_options[i].str, event_type(type));

				rc = -EINVAL;
				goto out;
			}
			output[type].fields |= all_output_options[i].field;
		}
2488 2489
	}

2490 2491 2492 2493 2494 2495
	if (type >= 0) {
		if (output[type].fields == 0) {
			pr_debug("No fields requested for %s type. "
				 "Events will not be displayed.\n", event_type(type));
		}
	}
2496
	goto out;
2497

2498 2499 2500
out_badmix:
	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
	rc = -EINVAL;
2501
out:
2502 2503 2504 2505
	free(str);
	return rc;
}

2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518
#define for_each_lang(scripts_path, scripts_dir, lang_dirent)		\
	while ((lang_dirent = readdir(scripts_dir)) != NULL)		\
		if ((lang_dirent->d_type == DT_DIR ||			\
		     (lang_dirent->d_type == DT_UNKNOWN &&		\
		      is_directory(scripts_path, lang_dirent))) &&	\
		    (strcmp(lang_dirent->d_name, ".")) &&		\
		    (strcmp(lang_dirent->d_name, "..")))

#define for_each_script(lang_path, lang_dir, script_dirent)		\
	while ((script_dirent = readdir(lang_dir)) != NULL)		\
		if (script_dirent->d_type != DT_DIR &&			\
		    (script_dirent->d_type != DT_UNKNOWN ||		\
		     !is_directory(lang_path, script_dirent)))
2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530


#define RECORD_SUFFIX			"-record"
#define REPORT_SUFFIX			"-report"

struct script_desc {
	struct list_head	node;
	char			*name;
	char			*half_liner;
	char			*args;
};

2531
static LIST_HEAD(script_descs);
2532 2533 2534 2535 2536

static struct script_desc *script_desc__new(const char *name)
{
	struct script_desc *s = zalloc(sizeof(*s));

2537
	if (s != NULL && name)
2538 2539 2540 2541 2542 2543 2544
		s->name = strdup(name);

	return s;
}

static void script_desc__delete(struct script_desc *s)
{
2545 2546 2547
	zfree(&s->name);
	zfree(&s->half_liner);
	zfree(&s->args);
2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574
	free(s);
}

static void script_desc__add(struct script_desc *s)
{
	list_add_tail(&s->node, &script_descs);
}

static struct script_desc *script_desc__find(const char *name)
{
	struct script_desc *s;

	list_for_each_entry(s, &script_descs, node)
		if (strcasecmp(s->name, name) == 0)
			return s;
	return NULL;
}

static struct script_desc *script_desc__findnew(const char *name)
{
	struct script_desc *s = script_desc__find(name);

	if (s)
		return s;

	s = script_desc__new(name);
	if (!s)
2575
		return NULL;
2576 2577 2578 2579 2580 2581

	script_desc__add(s);

	return s;
}

2582
static const char *ends_with(const char *str, const char *suffix)
2583 2584
{
	size_t suffix_len = strlen(suffix);
2585
	const char *p = str;
2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636

	if (strlen(str) > suffix_len) {
		p = str + strlen(str) - suffix_len;
		if (!strncmp(p, suffix, suffix_len))
			return p;
	}

	return NULL;
}

static int read_script_info(struct script_desc *desc, const char *filename)
{
	char line[BUFSIZ], *p;
	FILE *fp;

	fp = fopen(filename, "r");
	if (!fp)
		return -1;

	while (fgets(line, sizeof(line), fp)) {
		p = ltrim(line);
		if (strlen(p) == 0)
			continue;
		if (*p != '#')
			continue;
		p++;
		if (strlen(p) && *p == '!')
			continue;

		p = ltrim(p);
		if (strlen(p) && p[strlen(p) - 1] == '\n')
			p[strlen(p) - 1] = '\0';

		if (!strncmp(p, "description:", strlen("description:"))) {
			p += strlen("description:");
			desc->half_liner = strdup(ltrim(p));
			continue;
		}

		if (!strncmp(p, "args:", strlen("args:"))) {
			p += strlen("args:");
			desc->args = strdup(ltrim(p));
			continue;
		}
	}

	fclose(fp);

	return 0;
}

2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654
static char *get_script_root(struct dirent *script_dirent, const char *suffix)
{
	char *script_root, *str;

	script_root = strdup(script_dirent->d_name);
	if (!script_root)
		return NULL;

	str = (char *)ends_with(script_root, suffix);
	if (!str) {
		free(script_root);
		return NULL;
	}

	*str = '\0';
	return script_root;
}

2655 2656 2657
static int list_available_scripts(const struct option *opt __maybe_unused,
				  const char *s __maybe_unused,
				  int unset __maybe_unused)
2658
{
2659
	struct dirent *script_dirent, *lang_dirent;
2660 2661 2662 2663 2664 2665 2666 2667
	char scripts_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char script_path[MAXPATHLEN];
	char lang_path[MAXPATHLEN];
	struct script_desc *desc;
	char first_half[BUFSIZ];
	char *script_root;

2668
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2669 2670

	scripts_dir = opendir(scripts_path);
2671 2672 2673 2674 2675 2676 2677
	if (!scripts_dir) {
		fprintf(stdout,
			"open(%s) failed.\n"
			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
			scripts_path);
		exit(-1);
	}
2678

2679
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2680 2681
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2682 2683 2684 2685
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2686 2687
		for_each_script(lang_path, lang_dir, script_dirent) {
			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2688
			if (script_root) {
2689
				desc = script_desc__findnew(script_root);
2690 2691
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2692
				read_script_info(desc, script_path);
2693
				free(script_root);
2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708
			}
		}
	}

	fprintf(stdout, "List of available trace scripts:\n");
	list_for_each_entry(desc, &script_descs, node) {
		sprintf(first_half, "%s %s", desc->name,
			desc->args ? desc->args : "");
		fprintf(stdout, "  %-36s %s\n", first_half,
			desc->half_liner ? desc->half_liner : "");
	}

	exit(0);
}

2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726
/*
 * Some scripts specify the required events in their "xxx-record" file,
 * this function will check if the events in perf.data match those
 * mentioned in the "xxx-record".
 *
 * Fixme: All existing "xxx-record" are all in good formats "-e event ",
 * which is covered well now. And new parsing code should be added to
 * cover the future complexing formats like event groups etc.
 */
static int check_ev_match(char *dir_name, char *scriptname,
			struct perf_session *session)
{
	char filename[MAXPATHLEN], evname[128];
	char line[BUFSIZ], *p;
	struct perf_evsel *pos;
	int match, len;
	FILE *fp;

2727
	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751

	fp = fopen(filename, "r");
	if (!fp)
		return -1;

	while (fgets(line, sizeof(line), fp)) {
		p = ltrim(line);
		if (*p == '#')
			continue;

		while (strlen(p)) {
			p = strstr(p, "-e");
			if (!p)
				break;

			p += 2;
			p = ltrim(p);
			len = strcspn(p, " \t");
			if (!len)
				break;

			snprintf(evname, len + 1, "%s", p);

			match = 0;
2752
			evlist__for_each_entry(session->evlist, pos) {
2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769
				if (!strcmp(perf_evsel__name(pos), evname)) {
					match = 1;
					break;
				}
			}

			if (!match) {
				fclose(fp);
				return -1;
			}
		}
	}

	fclose(fp);
	return 0;
}

2770 2771 2772 2773 2774 2775 2776 2777 2778
/*
 * Return -1 if none is found, otherwise the actual scripts number.
 *
 * Currently the only user of this function is the script browser, which
 * will list all statically runnable scripts, select one, execute it and
 * show the output in a perf browser.
 */
int find_scripts(char **scripts_array, char **scripts_path_array)
{
2779
	struct dirent *script_dirent, *lang_dirent;
2780
	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2781
	DIR *scripts_dir, *lang_dir;
2782
	struct perf_session *session;
2783
	struct perf_data data = {
J
Jiri Olsa 已提交
2784 2785 2786 2787
		.file      = {
			.path = input_name,
		},
		.mode      = PERF_DATA_MODE_READ,
2788
	};
2789 2790 2791
	char *temp;
	int i = 0;

2792
	session = perf_session__new(&data, false, NULL);
2793 2794 2795
	if (!session)
		return -1;

2796
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2797 2798

	scripts_dir = opendir(scripts_path);
2799 2800
	if (!scripts_dir) {
		perf_session__delete(session);
2801
		return -1;
2802
	}
2803

2804
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2805 2806
		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
			  lang_dirent->d_name);
2807
#ifndef HAVE_LIBPERL_SUPPORT
2808 2809 2810
		if (strstr(lang_path, "perl"))
			continue;
#endif
2811
#ifndef HAVE_LIBPYTHON_SUPPORT
2812 2813 2814 2815 2816 2817 2818 2819
		if (strstr(lang_path, "python"))
			continue;
#endif

		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2820
		for_each_script(lang_path, lang_dir, script_dirent) {
2821
			/* Skip those real time scripts: xxxtop.p[yl] */
2822
			if (strstr(script_dirent->d_name, "top."))
2823 2824
				continue;
			sprintf(scripts_path_array[i], "%s/%s", lang_path,
2825 2826
				script_dirent->d_name);
			temp = strchr(script_dirent->d_name, '.');
2827
			snprintf(scripts_array[i],
2828 2829
				(temp - script_dirent->d_name) + 1,
				"%s", script_dirent->d_name);
2830 2831 2832 2833 2834

			if (check_ev_match(lang_path,
					scripts_array[i], session))
				continue;

2835 2836
			i++;
		}
2837
		closedir(lang_dir);
2838 2839
	}

2840 2841
	closedir(scripts_dir);
	perf_session__delete(session);
2842 2843 2844
	return i;
}

2845 2846
static char *get_script_path(const char *script_root, const char *suffix)
{
2847
	struct dirent *script_dirent, *lang_dirent;
2848 2849 2850 2851
	char scripts_path[MAXPATHLEN];
	char script_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char lang_path[MAXPATHLEN];
2852
	char *__script_root;
2853

2854
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2855 2856 2857 2858 2859

	scripts_dir = opendir(scripts_path);
	if (!scripts_dir)
		return NULL;

2860
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2861 2862
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2863 2864 2865 2866
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2867 2868
		for_each_script(lang_path, lang_dir, script_dirent) {
			__script_root = get_script_root(script_dirent, suffix);
2869 2870
			if (__script_root && !strcmp(script_root, __script_root)) {
				free(__script_root);
2871 2872
				closedir(lang_dir);
				closedir(scripts_dir);
2873 2874
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2875
				return strdup(script_path);
2876 2877 2878
			}
			free(__script_root);
		}
2879
		closedir(lang_dir);
2880
	}
2881
	closedir(scripts_dir);
2882

2883
	return NULL;
2884 2885
}

2886 2887
static bool is_top_script(const char *script_path)
{
2888
	return ends_with(script_path, "top") == NULL ? false : true;
2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913
}

static int has_required_arg(char *script_path)
{
	struct script_desc *desc;
	int n_args = 0;
	char *p;

	desc = script_desc__new(NULL);

	if (read_script_info(desc, script_path))
		goto out;

	if (!desc->args)
		goto out;

	for (p = desc->args; *p; p++)
		if (*p == '<')
			n_args++;
out:
	script_desc__delete(desc);

	return n_args;
}

2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926
static int have_cmd(int argc, const char **argv)
{
	char **__argv = malloc(sizeof(const char *) * argc);

	if (!__argv) {
		pr_err("malloc failed\n");
		return -1;
	}

	memcpy(__argv, argv, sizeof(const char *) * argc);
	argc = parse_options(argc, (const char **)__argv, record_options,
			     NULL, PARSE_OPT_STOP_AT_NON_OPTION);
	free(__argv);
F
Frederic Weisbecker 已提交
2927

2928 2929 2930 2931 2932
	system_wide = (argc == 0);

	return 0;
}

2933 2934 2935 2936 2937 2938 2939
static void script__setup_sample_type(struct perf_script *script)
{
	struct perf_session *session = script->session;
	u64 sample_type = perf_evlist__combined_sample_type(session->evlist);

	if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
		if ((sample_type & PERF_SAMPLE_REGS_USER) &&
2940
		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2941
			callchain_param.record_mode = CALLCHAIN_DWARF;
2942 2943
			dwarf_callchain_users = true;
		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2944 2945 2946 2947 2948 2949
			callchain_param.record_mode = CALLCHAIN_LBR;
		else
			callchain_param.record_mode = CALLCHAIN_FP;
	}
}

2950 2951 2952 2953 2954 2955 2956
static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
				    union perf_event *event,
				    struct perf_session *session)
{
	struct stat_round_event *round = &event->stat_round;
	struct perf_evsel *counter;

2957
	evlist__for_each_entry(session->evlist, counter) {
2958 2959 2960 2961 2962 2963 2964 2965
		perf_stat_process_counter(&stat_config, counter);
		process_stat(counter, round->time);
	}

	process_stat_interval(round->time);
	return 0;
}

2966 2967 2968 2969 2970 2971 2972 2973
static int process_stat_config_event(struct perf_tool *tool __maybe_unused,
				     union perf_event *event,
				     struct perf_session *session __maybe_unused)
{
	perf_event__read_stat_config(&stat_config, &event->stat_config);
	return 0;
}

2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030
static int set_maps(struct perf_script *script)
{
	struct perf_evlist *evlist = script->session->evlist;

	if (!script->cpus || !script->threads)
		return 0;

	if (WARN_ONCE(script->allocated, "stats double allocation\n"))
		return -EINVAL;

	perf_evlist__set_maps(evlist, script->cpus, script->threads);

	if (perf_evlist__alloc_stats(evlist, true))
		return -ENOMEM;

	script->allocated = true;
	return 0;
}

static
int process_thread_map_event(struct perf_tool *tool,
			     union perf_event *event,
			     struct perf_session *session __maybe_unused)
{
	struct perf_script *script = container_of(tool, struct perf_script, tool);

	if (script->threads) {
		pr_warning("Extra thread map event, ignoring.\n");
		return 0;
	}

	script->threads = thread_map__new_event(&event->thread_map);
	if (!script->threads)
		return -ENOMEM;

	return set_maps(script);
}

static
int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
			  union perf_event *event,
			  struct perf_session *session __maybe_unused)
{
	struct perf_script *script = container_of(tool, struct perf_script, tool);

	if (script->cpus) {
		pr_warning("Extra cpu map event, ignoring.\n");
		return 0;
	}

	script->cpus = cpu_map__new_data(&event->cpu_map.data);
	if (!script->cpus)
		return -ENOMEM;

	return set_maps(script);
}

3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049
#ifdef HAVE_AUXTRACE_SUPPORT
static int perf_script__process_auxtrace_info(struct perf_tool *tool,
					      union perf_event *event,
					      struct perf_session *session)
{
	int ret = perf_event__process_auxtrace_info(tool, event, session);

	if (ret == 0) {
		struct perf_script *script = container_of(tool, struct perf_script, tool);

		ret = perf_script__setup_per_event_dump(script);
	}

	return ret;
}
#else
#define perf_script__process_auxtrace_info 0
#endif

3050
int cmd_script(int argc, const char **argv)
3051 3052
{
	bool show_full_info = false;
3053 3054
	bool header = false;
	bool header_only = false;
3055
	bool script_started = false;
3056 3057 3058
	char *rec_script_path = NULL;
	char *rep_script_path = NULL;
	struct perf_session *session;
3059
	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3060 3061
	char *script_path = NULL;
	const char **__argv;
3062
	int i, j, err = 0;
3063 3064 3065 3066 3067 3068
	struct perf_script script = {
		.tool = {
			.sample		 = process_sample_event,
			.mmap		 = perf_event__process_mmap,
			.mmap2		 = perf_event__process_mmap2,
			.comm		 = perf_event__process_comm,
3069
			.namespaces	 = perf_event__process_namespaces,
3070 3071
			.exit		 = perf_event__process_exit,
			.fork		 = perf_event__process_fork,
3072
			.attr		 = process_attr,
3073
			.event_update   = perf_event__process_event_update,
3074
			.tracing_data	 = perf_event__process_tracing_data,
3075
			.feature	 = perf_event__process_feature,
3076
			.build_id	 = perf_event__process_build_id,
3077
			.id_index	 = perf_event__process_id_index,
3078
			.auxtrace_info	 = perf_script__process_auxtrace_info,
3079 3080
			.auxtrace	 = perf_event__process_auxtrace,
			.auxtrace_error	 = perf_event__process_auxtrace_error,
3081 3082
			.stat		 = perf_event__process_stat_event,
			.stat_round	 = process_stat_round_event,
3083
			.stat_config	 = process_stat_config_event,
3084 3085
			.thread_map	 = process_thread_map_event,
			.cpu_map	 = process_cpu_map_event,
3086
			.ordered_events	 = true,
3087 3088 3089
			.ordering_requires_timestamps = true,
		},
	};
3090
	struct perf_data data = {
3091 3092
		.mode = PERF_DATA_MODE_READ,
	};
3093
	const struct option options[] = {
F
Frederic Weisbecker 已提交
3094 3095
	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
		    "dump raw trace in ASCII"),
3096
	OPT_INCR('v', "verbose", &verbose,
3097
		 "be more verbose (show symbol address, etc)"),
3098
	OPT_BOOLEAN('L', "Latency", &latency_format,
3099
		    "show latency attributes (irqs/preemption disabled, etc)"),
3100 3101
	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
			   list_available_scripts),
T
Tom Zanussi 已提交
3102 3103 3104 3105
	OPT_CALLBACK('s', "script", NULL, "name",
		     "script file name (lang:script name, script name, or *)",
		     parse_scriptname),
	OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3106
		   "generate perf-script.xx script in specified language"),
3107
	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3108 3109
	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
		   "do various checks like samples ordering and lost events"),
3110 3111
	OPT_BOOLEAN(0, "header", &header, "Show data header."),
	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3112 3113 3114 3115 3116 3117
	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
		   "file", "vmlinux pathname"),
	OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
		   "file", "kallsyms pathname"),
	OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
		    "When printing symbols do not display call chain"),
3118 3119 3120
	OPT_CALLBACK(0, "symfs", NULL, "directory",
		     "Look for files with symbols relative to this directory",
		     symbol__config_symfs),
3121
	OPT_CALLBACK('F', "fields", NULL, "str",
3122
		     "comma separated output fields prepend with 'type:'. "
3123
		     "+field to add and -field to remove."
3124
		     "Valid types: hw,sw,trace,raw,synth. "
3125
		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
A
Andi Kleen 已提交
3126
		     "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3127
		     "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3128
		     parse_output_fields),
3129
	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3130
		    "system-wide collection from all CPUs"),
3131 3132
	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
		   "only consider these symbols"),
3133 3134
	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
		   "Stop display of callgraph at these symbols"),
3135
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3136 3137
	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
		   "only display events for these comms"),
3138 3139 3140 3141
	OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
		   "only consider symbols in these pids"),
	OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
		   "only consider symbols in these tids"),
3142 3143 3144
	OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
		     "Set the maximum stack depth when parsing the callchain, "
		     "anything beyond the specified depth will be ignored. "
3145
		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3146 3147
	OPT_BOOLEAN('I', "show-info", &show_full_info,
		    "display extended information from perf.data file"),
3148 3149
	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
		    "Show the path of [kernel.kallsyms]"),
3150 3151
	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
		    "Show the fork/comm/exit events"),
3152 3153
	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
		    "Show the mmap events"),
3154 3155
	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
		    "Show context switch events (if recorded)"),
3156 3157
	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
		    "Show namespace events (if recorded)"),
3158 3159
	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
		    "Show lost events (if recorded)"),
3160 3161
	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
		    "Show round events (if recorded)"),
3162 3163
	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
		    "Dump trace output to files named by the monitored events"),
3164
	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3165 3166
	OPT_INTEGER(0, "max-blocks", &max_blocks,
		    "Maximum number of code blocks to dump with brstackinsn"),
3167 3168
	OPT_BOOLEAN(0, "ns", &nanosecs,
		    "Use 9 decimal places when displaying time"),
3169 3170 3171
	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
			    "Instruction Tracing options",
			    itrace_parse_synth_opts),
3172 3173
	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
			"Show full source file name path for source lines"),
3174 3175 3176 3177
	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
			"Enable symbol demangling"),
	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
			"Enable kernel symbol demangling"),
3178 3179
	OPT_STRING(0, "time", &script.time_str, "str",
		   "Time span of interest (start,stop)"),
3180 3181
	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
		    "Show inline function"),
3182
	OPT_END()
3183
	};
3184 3185
	const char * const script_subcommands[] = { "record", "report", NULL };
	const char *script_usage[] = {
3186 3187 3188 3189 3190 3191 3192
		"perf script [<options>]",
		"perf script [<options>] record <script> [<record-options>] <command>",
		"perf script [<options>] report <script> [script-args]",
		"perf script [<options>] <script> [<record-options>] <command>",
		"perf script [<options>] <top-script> [script-args]",
		NULL
	};
3193

3194 3195
	perf_set_singlethreaded();

3196 3197
	setup_scripting();

3198
	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3199 3200
			     PARSE_OPT_STOP_AT_NON_OPTION);

J
Jiri Olsa 已提交
3201 3202
	data.file.path = input_name;
	data.force     = symbol_conf.force;
3203

3204 3205 3206
	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
		if (!rec_script_path)
3207
			return cmd_record(argc, argv);
3208 3209
	}

3210 3211 3212
	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
		if (!rep_script_path) {
3213
			fprintf(stderr,
3214
				"Please specify a valid report script"
3215
				"(see 'perf script -l' for listing)\n");
3216 3217 3218 3219
			return -1;
		}
	}

3220 3221 3222 3223
	if (itrace_synth_opts.callchain &&
	    itrace_synth_opts.callchain_sz > scripting_max_stack)
		scripting_max_stack = itrace_synth_opts.callchain_sz;

3224
	/* make sure PERF_EXEC_PATH is set for scripts */
3225
	set_argv_exec_path(get_argv_exec_path());
3226

3227
	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3228
		int live_pipe[2];
3229
		int rep_args;
3230 3231
		pid_t pid;

3232 3233 3234 3235
		rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
		rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);

		if (!rec_script_path && !rep_script_path) {
3236 3237
			usage_with_options_msg(script_usage, options,
				"Couldn't find script `%s'\n\n See perf"
3238
				" script -l for available scripts.\n", argv[0]);
3239 3240
		}

3241 3242 3243 3244 3245 3246 3247 3248
		if (is_top_script(argv[0])) {
			rep_args = argc - 1;
		} else {
			int rec_args;

			rep_args = has_required_arg(rep_script_path);
			rec_args = (argc - 1) - rep_args;
			if (rec_args < 0) {
3249 3250
				usage_with_options_msg(script_usage, options,
					"`%s' script requires options."
3251
					"\n\n See perf script -l for available "
3252 3253
					"scripts and options.\n", argv[0]);
			}
3254 3255 3256 3257
		}

		if (pipe(live_pipe) < 0) {
			perror("failed to create pipe");
3258
			return -1;
3259 3260 3261 3262 3263
		}

		pid = fork();
		if (pid < 0) {
			perror("failed to fork");
3264
			return -1;
3265 3266 3267
		}

		if (!pid) {
3268 3269
			j = 0;

3270 3271 3272
			dup2(live_pipe[1], 1);
			close(live_pipe[0]);

3273 3274 3275
			if (is_top_script(argv[0])) {
				system_wide = true;
			} else if (!system_wide) {
3276 3277 3278 3279
				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
					err = -1;
					goto out;
				}
3280
			}
3281 3282

			__argv = malloc((argc + 6) * sizeof(const char *));
3283 3284 3285 3286 3287
			if (!__argv) {
				pr_err("malloc failed\n");
				err = -ENOMEM;
				goto out;
			}
3288

3289 3290 3291 3292 3293 3294 3295 3296 3297 3298
			__argv[j++] = "/bin/sh";
			__argv[j++] = rec_script_path;
			if (system_wide)
				__argv[j++] = "-a";
			__argv[j++] = "-q";
			__argv[j++] = "-o";
			__argv[j++] = "-";
			for (i = rep_args + 1; i < argc; i++)
				__argv[j++] = argv[i];
			__argv[j++] = NULL;
3299 3300

			execvp("/bin/sh", (char **)__argv);
3301
			free(__argv);
3302 3303 3304 3305 3306 3307
			exit(-1);
		}

		dup2(live_pipe[0], 0);
		close(live_pipe[1]);

3308
		__argv = malloc((argc + 4) * sizeof(const char *));
3309 3310 3311 3312 3313 3314
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3315 3316 3317 3318 3319 3320 3321 3322
		j = 0;
		__argv[j++] = "/bin/sh";
		__argv[j++] = rep_script_path;
		for (i = 1; i < rep_args + 1; i++)
			__argv[j++] = argv[i];
		__argv[j++] = "-i";
		__argv[j++] = "-";
		__argv[j++] = NULL;
3323 3324

		execvp("/bin/sh", (char **)__argv);
3325
		free(__argv);
3326 3327 3328
		exit(-1);
	}

3329 3330 3331 3332
	if (rec_script_path)
		script_path = rec_script_path;
	if (rep_script_path)
		script_path = rep_script_path;
3333

3334 3335
	if (script_path) {
		j = 0;
3336

3337 3338
		if (!rec_script_path)
			system_wide = false;
3339 3340 3341 3342 3343 3344
		else if (!system_wide) {
			if (have_cmd(argc - 1, &argv[1]) != 0) {
				err = -1;
				goto out;
			}
		}
3345

3346
		__argv = malloc((argc + 2) * sizeof(const char *));
3347 3348 3349 3350 3351 3352
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3353 3354 3355 3356
		__argv[j++] = "/bin/sh";
		__argv[j++] = script_path;
		if (system_wide)
			__argv[j++] = "-a";
3357
		for (i = 2; i < argc; i++)
3358 3359
			__argv[j++] = argv[i];
		__argv[j++] = NULL;
3360 3361

		execvp("/bin/sh", (char **)__argv);
3362
		free(__argv);
3363 3364
		exit(-1);
	}
T
Tom Zanussi 已提交
3365

3366 3367
	if (!script_name)
		setup_pager();
F
Frederic Weisbecker 已提交
3368

3369
	session = perf_session__new(&data, false, &script.tool);
3370
	if (session == NULL)
3371
		return -1;
3372

3373
	if (header || header_only) {
3374
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3375 3376
		perf_session__fprintf_info(session, stdout, show_full_info);
		if (header_only)
3377
			goto out_delete;
3378
	}
3379 3380
	if (show_full_info)
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3381

3382
	if (symbol__init(&session->header.env) < 0)
3383 3384
		goto out_delete;

3385
	script.session = session;
3386
	script__setup_sample_type(&script);
3387

3388 3389 3390
	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
		itrace_synth_opts.thread_stack = true;

3391 3392
	session->itrace_synth_opts = &itrace_synth_opts;

3393
	if (cpu_list) {
3394 3395 3396
		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
		if (err < 0)
			goto out_delete;
3397
		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3398 3399
	}

3400
	if (!no_callchain)
3401 3402 3403 3404
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

3405 3406
	if (session->tevent.pevent &&
	    pevent_set_function_resolver(session->tevent.pevent,
3407 3408 3409
					 machine__resolve_kernel_addr,
					 &session->machines.host) < 0) {
		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3410 3411
		err = -1;
		goto out_delete;
3412 3413
	}

T
Tom Zanussi 已提交
3414 3415
	if (generate_script_lang) {
		struct stat perf_stat;
3416 3417
		int input;

3418
		if (output_set_by_user()) {
3419 3420
			fprintf(stderr,
				"custom fields not supported for generated scripts");
3421 3422
			err = -EINVAL;
			goto out_delete;
3423
		}
T
Tom Zanussi 已提交
3424

J
Jiri Olsa 已提交
3425
		input = open(data.file.path, O_RDONLY);	/* input_name */
T
Tom Zanussi 已提交
3426
		if (input < 0) {
3427
			err = -errno;
T
Tom Zanussi 已提交
3428
			perror("failed to open file");
3429
			goto out_delete;
T
Tom Zanussi 已提交
3430 3431 3432 3433 3434
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
3435
			goto out_delete;
T
Tom Zanussi 已提交
3436 3437 3438 3439
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
3440
			goto out_delete;
T
Tom Zanussi 已提交
3441 3442 3443 3444 3445
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
3446 3447
			err = -ENOENT;
			goto out_delete;
T
Tom Zanussi 已提交
3448 3449
		}

J
Jiri Olsa 已提交
3450
		err = scripting_ops->generate_script(session->tevent.pevent,
3451
						     "perf-script");
3452
		goto out_delete;
T
Tom Zanussi 已提交
3453 3454 3455
	}

	if (script_name) {
3456
		err = scripting_ops->start_script(script_name, argc, argv);
T
Tom Zanussi 已提交
3457
		if (err)
3458
			goto out_delete;
3459
		pr_debug("perf script started with script %s\n\n", script_name);
3460
		script_started = true;
T
Tom Zanussi 已提交
3461 3462
	}

3463 3464 3465

	err = perf_session__check_output_opt(session);
	if (err < 0)
3466
		goto out_delete;
3467

3468 3469 3470 3471 3472 3473 3474
	script.ptime_range = perf_time__range_alloc(script.time_str,
						    &script.range_size);
	if (!script.ptime_range) {
		err = -ENOMEM;
		goto out_delete;
	}

3475
	/* needs to be parsed after looking up reference time */
3476 3477 3478
	if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
		if (session->evlist->first_sample_time == 0 &&
		    session->evlist->last_sample_time == 0) {
3479 3480 3481
			pr_err("HINT: no first/last sample time found in perf data.\n"
			       "Please use latest perf binary to execute 'perf record'\n"
			       "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3482 3483 3484 3485 3486
			err = -EINVAL;
			goto out_delete;
		}

		script.range_num = perf_time__percent_parse_str(
3487
					script.ptime_range, script.range_size,
3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498
					script.time_str,
					session->evlist->first_sample_time,
					session->evlist->last_sample_time);

		if (script.range_num < 0) {
			pr_err("Invalid time string\n");
			err = -EINVAL;
			goto out_delete;
		}
	} else {
		script.range_num = 1;
3499 3500
	}

3501
	err = __cmd_script(&script);
T
Tom Zanussi 已提交
3502

3503 3504
	flush_scripting();

3505
out_delete:
3506 3507
	zfree(&script.ptime_range);

3508
	perf_evlist__free_stats(session->evlist);
3509
	perf_session__delete(session);
3510 3511 3512

	if (script_started)
		cleanup_scripting();
T
Tom Zanussi 已提交
3513 3514
out:
	return err;
F
Frederic Weisbecker 已提交
3515
}