builtin-script.c 91.4 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_SYMOFFSET |
			      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_SYMOFFSET |
			      PERF_OUTPUT_DSO | 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_HW_CACHE] = {
		.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_SYMOFFSET |
			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,

		.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
	},

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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_SYMOFFSET |
			      PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
			      PERF_OUTPUT_ADDR | 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 |
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			      PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
			      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_SYMOFFSET |
			      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__has_callchain(evsel)) {
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				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) {
		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;

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			if (evsel__has_callchain(evsel)) {
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				output[j].fields |= PERF_OUTPUT_IP;
				output[j].fields |= PERF_OUTPUT_SYM;
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				output[j].fields |= PERF_OUTPUT_SYMOFFSET;
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				output[j].fields |= PERF_OUTPUT_DSO;
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				set_print_ip_opts(&evsel->attr);
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				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)
570 571 572 573
{
	struct regs_dump *regs = &sample->intr_regs;
	uint64_t mask = attr->sample_regs_intr;
	unsigned i = 0, r;
574
	int printed = 0;
575 576

	if (!regs)
577
		return 0;
578 579 580

	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
		u64 val = regs->regs[i++];
581
		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
582
	}
583 584

	return printed;
585 586
}

587 588
static int perf_sample__fprintf_uregs(struct perf_sample *sample,
				      struct perf_event_attr *attr, FILE *fp)
A
Andi Kleen 已提交
589 590 591 592
{
	struct regs_dump *regs = &sample->user_regs;
	uint64_t mask = attr->sample_regs_user;
	unsigned i = 0, r;
593
	int printed = 0;
A
Andi Kleen 已提交
594 595

	if (!regs || !regs->regs)
596
		return 0;
A
Andi Kleen 已提交
597

598
	printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
A
Andi Kleen 已提交
599 600 601

	for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
		u64 val = regs->regs[i++];
602
		printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
A
Andi Kleen 已提交
603
	}
604 605

	return printed;
A
Andi Kleen 已提交
606 607
}

608 609
static int perf_sample__fprintf_start(struct perf_sample *sample,
				      struct thread *thread,
610 611
				      struct perf_evsel *evsel,
				      u32 type, FILE *fp)
612
{
613
	struct perf_event_attr *attr = &evsel->attr;
614
	unsigned long secs;
615
	unsigned long long nsecs;
616
	int printed = 0;
617 618 619

	if (PRINT_FIELD(COMM)) {
		if (latency_format)
620
			printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
621
		else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
622
			printed += fprintf(fp, "%s ", thread__comm_str(thread));
623
		else
624
			printed += fprintf(fp, "%16s ", thread__comm_str(thread));
625
	}
626

627
	if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
628
		printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
629
	else if (PRINT_FIELD(PID))
630
		printed += fprintf(fp, "%5d ", sample->pid);
631
	else if (PRINT_FIELD(TID))
632
		printed += fprintf(fp, "%5d ", sample->tid);
633 634 635

	if (PRINT_FIELD(CPU)) {
		if (latency_format)
636
			printed += fprintf(fp, "%3d ", sample->cpu);
637
		else
638
			printed += fprintf(fp, "[%03d] ", sample->cpu);
639
	}
640

641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669
	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:
670
			if (has(SWITCH_OUT)) {
671
				ret += fprintf(fp, "S");
672 673 674
				if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
					ret += fprintf(fp, "p");
			}
675 676 677 678 679 680 681 682 683 684
		default:
			break;
		}

		#undef has

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

685 686
	if (PRINT_FIELD(TIME)) {
		nsecs = sample->time;
687 688
		secs = nsecs / NSEC_PER_SEC;
		nsecs -= secs * NSEC_PER_SEC;
689

690
		if (nanosecs)
691
			printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
692 693 694
		else {
			char sample_time[32];
			timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
695
			printed += fprintf(fp, "%12s: ", sample_time);
696
		}
697
	}
698 699

	return printed;
700 701
}

702 703 704 705 706 707 708 709 710
static inline char
mispred_str(struct branch_entry *br)
{
	if (!(br->flags.mispred  || br->flags.predicted))
		return '-';

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

711 712 713
static int perf_sample__fprintf_brstack(struct perf_sample *sample,
					struct thread *thread,
					struct perf_event_attr *attr, FILE *fp)
714 715
{
	struct branch_stack *br = sample->branch_stack;
716 717
	struct addr_location alf, alt;
	u64 i, from, to;
718
	int printed = 0;
719 720

	if (!(br && br->nr))
721
		return 0;
722 723

	for (i = 0; i < br->nr; i++) {
724 725 726 727 728 729
		from = br->entries[i].from;
		to   = br->entries[i].to;

		if (PRINT_FIELD(DSO)) {
			memset(&alf, 0, sizeof(alf));
			memset(&alt, 0, sizeof(alt));
730 731
			thread__find_map_fb(thread, sample->cpumode, from, &alf);
			thread__find_map_fb(thread, sample->cpumode, to, &alt);
732 733
		}

734
		printed += fprintf(fp, " 0x%"PRIx64, from);
735
		if (PRINT_FIELD(DSO)) {
736 737 738
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
739 740
		}

741
		printed += fprintf(fp, "/0x%"PRIx64, to);
742
		if (PRINT_FIELD(DSO)) {
743 744 745
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
746 747
		}

748
		printed += fprintf(fp, "/%c/%c/%c/%d ",
749 750 751 752 753
			mispred_str( br->entries + i),
			br->entries[i].flags.in_tx? 'X' : '-',
			br->entries[i].flags.abort? 'A' : '-',
			br->entries[i].flags.cycles);
	}
754 755

	return printed;
756 757
}

758 759 760
static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
					   struct thread *thread,
					   struct perf_event_attr *attr, FILE *fp)
761 762 763 764
{
	struct branch_stack *br = sample->branch_stack;
	struct addr_location alf, alt;
	u64 i, from, to;
765
	int printed = 0;
766 767

	if (!(br && br->nr))
768
		return 0;
769 770 771 772 773 774 775 776

	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;

777 778
		thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
		thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
779

780
		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
781
		if (PRINT_FIELD(DSO)) {
782 783 784
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
785
		}
786 787
		printed += fprintf(fp, "%c", '/');
		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
788
		if (PRINT_FIELD(DSO)) {
789 790 791
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
792
		}
793
		printed += fprintf(fp, "/%c/%c/%c/%d ",
794 795 796 797 798
			mispred_str( br->entries + i),
			br->entries[i].flags.in_tx? 'X' : '-',
			br->entries[i].flags.abort? 'A' : '-',
			br->entries[i].flags.cycles);
	}
799 800

	return printed;
801 802
}

803 804 805
static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
					   struct thread *thread,
					   struct perf_event_attr *attr, FILE *fp)
806 807 808 809
{
	struct branch_stack *br = sample->branch_stack;
	struct addr_location alf, alt;
	u64 i, from, to;
810
	int printed = 0;
811 812

	if (!(br && br->nr))
813
		return 0;
814 815 816 817 818 819 820 821

	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;

822
		if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
823
		    !alf.map->dso->adjust_symbols)
824 825
			from = map__map_ip(alf.map, from);

826
		if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
827
		    !alt.map->dso->adjust_symbols)
828 829
			to = map__map_ip(alt.map, to);

830
		printed += fprintf(fp, " 0x%"PRIx64, from);
831
		if (PRINT_FIELD(DSO)) {
832 833 834
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
835
		}
836
		printed += fprintf(fp, "/0x%"PRIx64, to);
837
		if (PRINT_FIELD(DSO)) {
838 839 840
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
841
		}
842
		printed += fprintf(fp, "/%c/%c/%c/%d ",
843 844 845 846 847
			mispred_str(br->entries + i),
			br->entries[i].flags.in_tx ? 'X' : '-',
			br->entries[i].flags.abort ? 'A' : '-',
			br->entries[i].flags.cycles);
	}
848 849

	return printed;
850
}
851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876
#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)) {
877
		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
878 879 880 881 882 883
		return -ENXIO;
	}

	memset(&al, 0, sizeof(al));
	if (end - start > MAXBB - MAXINSN) {
		if (last)
884
			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
885
		else
886
			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
887 888 889
		return 0;
	}

890
	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
891
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
892 893 894
		return 0;
	}
	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
895
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
896 897 898 899 900 901 902 903 904 905 906 907
		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)
908
		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
909 910 911 912
			start, end);
	return len;
}

913 914 915
static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
			    struct perf_insn *x, u8 *inbuf, int len,
			    int insn, FILE *fp)
916
{
917 918 919 920 921 922
	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" : "");
923
	if (en->flags.cycles) {
924
		printed += fprintf(fp, " %d cycles", en->flags.cycles);
925
		if (insn)
926
			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
927
	}
928
	return printed + fprintf(fp, "\n");
929 930
}

931 932 933
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)
934 935
{
	struct addr_location al;
936
	int off, printed = 0;
937 938 939

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

940 941
	thread__find_map(thread, cpumode, addr, &al);

942
	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
943
		return 0;
944 945 946 947 948 949 950

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

	if (!al.sym)
951
		return 0;
952 953 954 955 956

	if (al.addr < al.sym->end)
		off = al.addr - al.sym->start;
	else
		off = al.addr - al.map->start - al.sym->start;
957
	printed += fprintf(fp, "\t%s", al.sym->name);
958
	if (off)
959 960
		printed += fprintf(fp, "%+d", off);
	printed += fprintf(fp, ":");
961
	if (PRINT_FIELD(SRCLINE))
962 963
		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
	printed += fprintf(fp, "\n");
964
	*lastsym = al.sym;
965 966

	return printed;
967 968
}

969 970 971 972
static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
					    struct thread *thread,
					    struct perf_event_attr *attr,
					    struct machine *machine, FILE *fp)
973 974 975
{
	struct branch_stack *br = sample->branch_stack;
	u64 start, end;
976
	int i, insn, len, nr, ilen, printed = 0;
977 978 979 980 981 982
	struct perf_insn x;
	u8 buffer[MAXBB];
	unsigned off;
	struct symbol *lastsym = NULL;

	if (!(br && br->nr))
983
		return 0;
984 985 986 987 988 989 990
	nr = br->nr;
	if (max_blocks && nr > max_blocks + 1)
		nr = max_blocks + 1;

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

991
	printed += fprintf(fp, "%c", '\n');
992 993 994 995 996 997

	/* 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) {
998 999 1000 1001
		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);
1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
	}

	/* 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;

1027
			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1028
			if (ip == end) {
1029
				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1030 1031
				break;
			} else {
1032 1033
				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045
				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)
1046
		goto out;
1047
	if (br->entries[0].flags.abort)
1048
		goto out;
1049 1050 1051 1052 1053 1054 1055

	/*
	 * 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);
1056
	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1057 1058 1059 1060 1061
	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)
1062
			goto out;
1063

1064
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1065
			dump_insn(&x, sample->ip, buffer, len, NULL));
1066
		goto out;
1067 1068
	}
	for (off = 0; off <= end - start; off += ilen) {
1069 1070
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1071 1072 1073
		if (ilen == 0)
			break;
	}
1074 1075
out:
	return printed;
1076
}
1077

1078 1079 1080
static int perf_sample__fprintf_addr(struct perf_sample *sample,
				     struct thread *thread,
				     struct perf_event_attr *attr, FILE *fp)
1081 1082
{
	struct addr_location al;
1083
	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1084 1085

	if (!sample_addr_correlates_sym(attr))
1086
		goto out;
1087

1088
	thread__resolve(thread, &al, sample);
1089 1090

	if (PRINT_FIELD(SYM)) {
1091
		printed += fprintf(fp, " ");
1092
		if (PRINT_FIELD(SYMOFFSET))
1093
			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1094
		else
1095
			printed += symbol__fprintf_symname(al.sym, fp);
1096 1097 1098
	}

	if (PRINT_FIELD(DSO)) {
1099 1100 1101
		printed += fprintf(fp, " (");
		printed += map__fprintf_dsoname(al.map, fp);
		printed += fprintf(fp, ")");
1102
	}
1103 1104
out:
	return printed;
1105 1106
}

1107 1108 1109 1110
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
					   struct perf_evsel *evsel,
					   struct thread *thread,
					   struct addr_location *al, FILE *fp)
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 1143 1144
{
	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)
1145
		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1146
	else if (ip)
1147
		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1148 1149

	if (len < 0)
1150
		return len;
1151 1152 1153 1154 1155 1156 1157 1158 1159

	/*
	 * 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)
1160 1161 1162
		len += fprintf(fp, "%*s", spacing - len, "");

	return len;
1163 1164
}

1165 1166 1167 1168
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
1169
{
1170 1171
	int printed = 0;

A
Andi Kleen 已提交
1172
	if (PRINT_FIELD(INSNLEN))
1173
		printed += fprintf(fp, " ilen: %d", sample->insn_len);
A
Andi Kleen 已提交
1174 1175 1176
	if (PRINT_FIELD(INSN)) {
		int i;

1177
		printed += fprintf(fp, " insn:");
A
Andi Kleen 已提交
1178
		for (i = 0; i < sample->insn_len; i++)
1179
			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
A
Andi Kleen 已提交
1180
	}
1181
	if (PRINT_FIELD(BRSTACKINSN))
1182 1183 1184
		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);

	return printed;
A
Andi Kleen 已提交
1185 1186
}

1187 1188 1189 1190 1191
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)
1192 1193
{
	struct perf_event_attr *attr = &evsel->attr;
1194
	unsigned int type = output_type(attr->type);
1195
	bool print_srcline_last = false;
1196
	int printed = 0;
1197

1198
	if (PRINT_FIELD(CALLINDENT))
1199
		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1200

1201 1202
	/* print branch_from information */
	if (PRINT_FIELD(IP)) {
1203
		unsigned int print_opts = output[type].print_ip_opts;
1204
		struct callchain_cursor *cursor = NULL;
1205

1206
		if (symbol_conf.use_callchain && sample->callchain &&
1207
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1208
					      sample, NULL, NULL, scripting_max_stack) == 0)
1209
			cursor = &callchain_cursor;
1210 1211

		if (cursor == NULL) {
1212
			printed += fprintf(fp, " ");
1213
			if (print_opts & EVSEL__PRINT_SRCLINE) {
1214
				print_srcline_last = true;
1215
				print_opts &= ~EVSEL__PRINT_SRCLINE;
1216
			}
1217
		} else
1218
			printed += fprintf(fp, "\n");
1219

1220
		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1221 1222 1223
	}

	/* print branch_to information */
1224 1225
	if (PRINT_FIELD(ADDR) ||
	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1226
	     !output[type].user_set)) {
1227 1228
		printed += fprintf(fp, " => ");
		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1229
	}
1230

1231
	if (print_srcline_last)
1232
		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
A
Andi Kleen 已提交
1233

1234 1235
	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
	return printed + fprintf(fp, "\n");
1236 1237
}

1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257
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}
};

1258
static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1259 1260 1261
{
	const char *chars = PERF_IP_FLAG_CHARS;
	const int n = strlen(PERF_IP_FLAG_CHARS);
1262 1263
	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
	const char *name = NULL;
1264 1265 1266
	char str[33];
	int i, pos = 0;

1267 1268 1269 1270 1271 1272 1273
	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;
		}
	}

1274 1275 1276 1277 1278 1279 1280 1281 1282
	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;
1283 1284

	if (name)
1285 1286 1287
		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");

	return fprintf(fp, "  %-11s ", str);
1288 1289
}

1290 1291 1292 1293 1294 1295
struct printer_data {
	int line_no;
	bool hit_nul;
	bool is_printable;
};

1296 1297 1298
static int sample__fprintf_bpf_output(enum binary_printer_ops op,
				      unsigned int val,
				      void *extra, FILE *fp)
1299 1300 1301
{
	unsigned char ch = (unsigned char)val;
	struct printer_data *printer_data = extra;
1302
	int printed = 0;
1303 1304 1305

	switch (op) {
	case BINARY_PRINT_DATA_BEGIN:
1306
		printed += fprintf(fp, "\n");
1307 1308
		break;
	case BINARY_PRINT_LINE_BEGIN:
1309
		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1310 1311 1312
						        "           ");
		break;
	case BINARY_PRINT_ADDR:
1313
		printed += fprintf(fp, " %04x:", val);
1314 1315
		break;
	case BINARY_PRINT_NUM_DATA:
1316
		printed += fprintf(fp, " %02x", val);
1317 1318
		break;
	case BINARY_PRINT_NUM_PAD:
1319
		printed += fprintf(fp, "   ");
1320 1321
		break;
	case BINARY_PRINT_SEP:
1322
		printed += fprintf(fp, "  ");
1323 1324 1325 1326 1327 1328
		break;
	case BINARY_PRINT_CHAR_DATA:
		if (printer_data->hit_nul && ch)
			printer_data->is_printable = false;

		if (!isprint(ch)) {
1329
			printed += fprintf(fp, "%c", '.');
1330 1331 1332 1333 1334 1335 1336 1337 1338

			if (!printer_data->is_printable)
				break;

			if (ch == '\0')
				printer_data->hit_nul = true;
			else
				printer_data->is_printable = false;
		} else {
1339
			printed += fprintf(fp, "%c", ch);
1340 1341 1342
		}
		break;
	case BINARY_PRINT_CHAR_PAD:
1343
		printed += fprintf(fp, " ");
1344 1345
		break;
	case BINARY_PRINT_LINE_END:
1346
		printed += fprintf(fp, "\n");
1347 1348 1349 1350 1351 1352
		printer_data->line_no++;
		break;
	case BINARY_PRINT_DATA_END:
	default:
		break;
	}
1353 1354

	return printed;
1355 1356
}

1357
static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1358 1359 1360
{
	unsigned int nr_bytes = sample->raw_size;
	struct printer_data printer_data = {0, false, true};
1361 1362
	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
				      sample__fprintf_bpf_output, &printer_data, fp);
1363 1364

	if (printer_data.is_printable && printer_data.hit_nul)
1365 1366 1367
		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));

	return printed;
1368 1369
}

1370
static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1371 1372
{
	if (len > 0 && len < spacing)
1373 1374 1375
		return fprintf(fp, "%*s", spacing - len, "");

	return 0;
1376 1377
}

1378
static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1379
{
1380
	return perf_sample__fprintf_spacing(len, 34, fp);
1381 1382
}

1383
static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1384 1385 1386 1387 1388
{
	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1389
		return 0;
1390

1391
	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1392
		     data->ip, le64_to_cpu(data->payload));
1393
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1394 1395
}

1396
static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1397 1398 1399 1400 1401
{
	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1402
		return 0;
1403

1404 1405 1406
	len = fprintf(fp, " hints: %#x extensions: %#x ",
		      data->hints, data->extensions);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1407 1408
}

1409
static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1410 1411 1412 1413 1414
{
	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1415
		return 0;
1416

1417 1418 1419
	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);
1420 1421
}

1422
static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1423 1424 1425 1426 1427
{
	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1428
		return 0;
1429

1430 1431
	len = fprintf(fp, " IP: %u ", data->ip);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1432 1433
}

1434
static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1435 1436 1437 1438 1439
{
	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1440
		return 0;
1441

1442
	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1443 1444
		     data->deepest_cstate, data->last_cstate,
		     data->wake_reason);
1445
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1446 1447
}

1448
static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1449 1450 1451 1452 1453 1454
{
	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))
1455
		return 0;
1456 1457

	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1458
	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1459 1460
	if (data->max_nonturbo) {
		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1461
		len += fprintf(fp, "(%3u%%) ", percent);
1462
	}
1463
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1464 1465
}

1466 1467
static int perf_sample__fprintf_synth(struct perf_sample *sample,
				      struct perf_evsel *evsel, FILE *fp)
1468 1469
{
	switch (evsel->attr.config) {
1470
	case PERF_SYNTH_INTEL_PTWRITE:
1471
		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1472
	case PERF_SYNTH_INTEL_MWAIT:
1473
		return perf_sample__fprintf_synth_mwait(sample, fp);
1474
	case PERF_SYNTH_INTEL_PWRE:
1475
		return perf_sample__fprintf_synth_pwre(sample, fp);
1476
	case PERF_SYNTH_INTEL_EXSTOP:
1477
		return perf_sample__fprintf_synth_exstop(sample, fp);
1478
	case PERF_SYNTH_INTEL_PWRX:
1479
		return perf_sample__fprintf_synth_pwrx(sample, fp);
1480
	case PERF_SYNTH_INTEL_CBR:
1481
		return perf_sample__fprintf_synth_cbr(sample, fp);
1482 1483 1484
	default:
		break;
	}
1485 1486

	return 0;
1487 1488
}

1489 1490 1491 1492 1493 1494
struct perf_script {
	struct perf_tool	tool;
	struct perf_session	*session;
	bool			show_task_events;
	bool			show_mmap_events;
	bool			show_switch_events;
1495
	bool			show_namespace_events;
1496
	bool			show_lost_events;
1497
	bool			show_round_events;
1498
	bool			allocated;
1499
	bool			per_event_dump;
1500 1501
	struct cpu_map		*cpus;
	struct thread_map	*threads;
1502
	int			name_width;
1503
	const char              *time_str;
1504 1505
	struct perf_time_interval *ptime_range;
	int			range_size;
1506
	int			range_num;
1507 1508
};

1509 1510 1511 1512 1513
static int perf_evlist__max_name_len(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel;
	int max = 0;

1514
	evlist__for_each_entry(evlist, evsel) {
1515 1516 1517 1518 1519 1520 1521 1522
		int len = strlen(perf_evsel__name(evsel));

		max = MAX(len, max);
	}

	return max;
}

1523
static int data_src__fprintf(u64 data_src, FILE *fp)
J
Jiri Olsa 已提交
1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536
{
	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;

1537
	return fprintf(fp, "%-*s", maxlen, out);
J
Jiri Olsa 已提交
1538 1539
}

1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555
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,
1556
				   PERF_RECORD_SAMPLE, mctx->fp);
1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569
	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,
1570
				   PERF_RECORD_SAMPLE, mctx->fp);
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
	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;
	u64 val;

	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,
1601 1602
				       sample->cpu,
				       &rt_stat);
1603 1604 1605 1606 1607 1608 1609
	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
1610 1611
						      NULL,
						      &rt_stat);
1612 1613 1614 1615 1616
		}
		evsel_script(evsel->leader)->gnum = 0;
	}
}

1617
static void process_event(struct perf_script *script,
1618
			  struct perf_sample *sample, struct perf_evsel *evsel,
1619 1620
			  struct addr_location *al,
			  struct machine *machine)
1621
{
1622
	struct thread *thread = al->thread;
1623
	struct perf_event_attr *attr = &evsel->attr;
1624
	unsigned int type = output_type(attr->type);
1625 1626
	struct perf_evsel_script *es = evsel->priv;
	FILE *fp = es->fp;
1627

1628
	if (output[type].fields == 0)
1629 1630
		return;

1631 1632
	++es->samples;

1633 1634
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SAMPLE, fp);
1635

J
Jiri Olsa 已提交
1636
	if (PRINT_FIELD(PERIOD))
1637
		fprintf(fp, "%10" PRIu64 " ", sample->period);
J
Jiri Olsa 已提交
1638

1639 1640
	if (PRINT_FIELD(EVNAME)) {
		const char *evname = perf_evsel__name(evsel);
1641 1642 1643 1644

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

1645
		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1646 1647
	}

1648
	if (print_flags)
1649
		perf_sample__fprintf_flags(sample->flags, fp);
1650

1651
	if (is_bts_event(attr)) {
1652
		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1653 1654 1655
		return;
	}

1656
	if (PRINT_FIELD(TRACE) && sample->raw_data) {
1657 1658 1659
		event_format__fprintf(evsel->tp_format, sample->cpu,
				      sample->raw_data, sample->raw_size, fp);
	}
1660 1661

	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1662
		perf_sample__fprintf_synth(sample, evsel, fp);
1663

1664
	if (PRINT_FIELD(ADDR))
1665
		perf_sample__fprintf_addr(sample, thread, attr, fp);
1666

1667
	if (PRINT_FIELD(DATA_SRC))
1668
		data_src__fprintf(sample->data_src, fp);
1669 1670

	if (PRINT_FIELD(WEIGHT))
1671
		fprintf(fp, "%16" PRIu64, sample->weight);
1672

1673
	if (PRINT_FIELD(IP)) {
1674
		struct callchain_cursor *cursor = NULL;
1675

1676
		if (symbol_conf.use_callchain && sample->callchain &&
1677
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1678
					      sample, NULL, NULL, scripting_max_stack) == 0)
1679
			cursor = &callchain_cursor;
1680

1681 1682
		fputc(cursor ? '\n' : ' ', fp);
		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1683 1684
	}

1685
	if (PRINT_FIELD(IREGS))
1686
		perf_sample__fprintf_iregs(sample, attr, fp);
1687

A
Andi Kleen 已提交
1688
	if (PRINT_FIELD(UREGS))
1689
		perf_sample__fprintf_uregs(sample, attr, fp);
A
Andi Kleen 已提交
1690

1691
	if (PRINT_FIELD(BRSTACK))
1692
		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1693
	else if (PRINT_FIELD(BRSTACKSYM))
1694
		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1695
	else if (PRINT_FIELD(BRSTACKOFF))
1696
		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1697

1698
	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1699 1700
		perf_sample__fprintf_bpf_output(sample, fp);
	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1701 1702

	if (PRINT_FIELD(PHYS_ADDR))
1703 1704
		fprintf(fp, "%16" PRIx64, sample->phys_addr);
	fprintf(fp, "\n");
1705 1706 1707

	if (PRINT_FIELD(METRIC))
		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1708 1709
}

T
Tom Zanussi 已提交
1710 1711
static struct scripting_ops	*scripting_ops;

1712 1713 1714 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
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));
		}
	}
}

1746 1747 1748 1749
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);
1750 1751
	else
		__process_stat(counter, tstamp);
1752 1753 1754 1755 1756 1757 1758 1759
}

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
1760 1761
static void setup_scripting(void)
{
1762
	setup_perl_scripting();
1763
	setup_python_scripting();
T
Tom Zanussi 已提交
1764 1765
}

1766 1767
static int flush_scripting(void)
{
1768
	return scripting_ops ? scripting_ops->flush_script() : 0;
1769 1770
}

T
Tom Zanussi 已提交
1771 1772
static int cleanup_scripting(void)
{
1773
	pr_debug("\nperf script stopped\n");
1774

1775
	return scripting_ops ? scripting_ops->stop_script() : 0;
T
Tom Zanussi 已提交
1776 1777
}

1778
static int process_sample_event(struct perf_tool *tool,
1779
				union perf_event *event,
1780
				struct perf_sample *sample,
1781
				struct perf_evsel *evsel,
1782
				struct machine *machine)
F
Frederic Weisbecker 已提交
1783
{
1784
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1785
	struct addr_location al;
F
Frederic Weisbecker 已提交
1786

1787 1788
	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
					  sample->time)) {
1789
		return 0;
1790
	}
1791

1792 1793 1794 1795 1796 1797
	if (debug_mode) {
		if (sample->time < last_timestamp) {
			pr_err("Samples misordered, previous: %" PRIu64
				" this: %" PRIu64 "\n", last_timestamp,
				sample->time);
			nr_unordered++;
1798
		}
1799 1800
		last_timestamp = sample->time;
		return 0;
F
Frederic Weisbecker 已提交
1801
	}
1802

1803
	if (machine__resolve(machine, &al, sample) < 0) {
1804 1805 1806 1807 1808 1809
		pr_err("problem processing %d event, skipping it.\n",
		       event->header.type);
		return -1;
	}

	if (al.filtered)
1810
		goto out_put;
1811

1812
	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1813
		goto out_put;
1814

1815 1816 1817
	if (scripting_ops)
		scripting_ops->process_event(event, sample, evsel, &al);
	else
1818
		process_event(scr, sample, evsel, &al, machine);
1819

1820 1821
out_put:
	addr_location__put(&al);
F
Frederic Weisbecker 已提交
1822 1823 1824
	return 0;
}

1825 1826 1827 1828 1829 1830 1831
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;
1832
	static struct perf_evsel_script *es;
1833 1834 1835 1836 1837 1838 1839 1840

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

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

1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853
	if (!evsel->priv) {
		if (scr->per_event_dump) {
			evsel->priv = perf_evsel_script__new(evsel,
						scr->session->data);
		} else {
			es = zalloc(sizeof(*es));
			if (!es)
				return -ENOMEM;
			es->fp = stdout;
			evsel->priv = es;
		}
	}

1854 1855
	if (evsel->attr.type >= PERF_TYPE_MAX &&
	    evsel->attr.type != PERF_TYPE_SYNTH)
1856 1857
		return 0;

1858
	evlist__for_each_entry(evlist, pos) {
1859 1860 1861 1862 1863 1864
		if (pos->attr.type == evsel->attr.type && pos != evsel)
			return 0;
	}

	set_print_ip_opts(&evsel->attr);

1865 1866 1867 1868
	if (evsel->attr.sample_type)
		err = perf_evsel__check_attr(evsel, scr->session);

	return err;
1869 1870
}

1871 1872 1873 1874 1875 1876 1877 1878
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;
1879
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896
	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;
	}
1897 1898
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_COMM, stdout);
1899 1900 1901
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
1902
	thread__put(thread);
1903 1904 1905
	return ret;
}

1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932
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;
	}
1933 1934
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_NAMESPACES, stdout);
1935 1936 1937 1938 1939 1940 1941
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
	thread__put(thread);
	return ret;
}

1942 1943 1944 1945 1946 1947 1948 1949
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;
1950
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966

	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;
	}
1967 1968
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_FORK, stdout);
1969
	perf_event__fprintf(event, stdout);
1970
	thread__put(thread);
1971 1972 1973 1974 1975 1976 1977 1978

	return 0;
}
static int process_exit_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
1979
	int err = 0;
1980 1981 1982
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1983
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1984 1985 1986 1987 1988 1989 1990 1991 1992 1993

	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;
1994 1995
		sample->tid = event->fork.tid;
		sample->pid = event->fork.pid;
1996
	}
1997 1998
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_EXIT, stdout);
1999 2000 2001
	perf_event__fprintf(event, stdout);

	if (perf_event__process_exit(tool, event, sample, machine) < 0)
2002
		err = -1;
2003

2004 2005
	thread__put(thread);
	return err;
2006 2007
}

2008 2009 2010 2011 2012 2013 2014 2015
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;
2016
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032

	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;
	}
2033 2034
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP, stdout);
2035
	perf_event__fprintf(event, stdout);
2036
	thread__put(thread);
2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047
	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;
2048
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064

	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;
	}
2065 2066
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP2, stdout);
2067
	perf_event__fprintf(event, stdout);
2068
	thread__put(thread);
2069 2070 2071
	return 0;
}

2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091
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;
	}

2092 2093
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SWITCH, stdout);
2094 2095 2096 2097 2098
	perf_event__fprintf(event, stdout);
	thread__put(thread);
	return 0;
}

2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121
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;
}

2122 2123 2124 2125 2126 2127 2128 2129 2130 2131
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;
}

2132
static void sig_handler(int sig __maybe_unused)
2133 2134 2135 2136
{
	session_done = 1;
}

2137 2138 2139 2140 2141 2142 2143 2144
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;
2145
		perf_evsel_script__delete(evsel->priv);
2146 2147 2148 2149 2150 2151 2152 2153 2154
		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) {
2155 2156 2157 2158 2159 2160 2161 2162 2163 2164
		/*
		 * 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;

2165
		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179
		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;
2180
	static struct perf_evsel_script es_stdout;
2181 2182 2183 2184

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

2185 2186
	es_stdout.fp = stdout;

2187
	evlist__for_each_entry(script->session->evlist, evsel)
2188
		evsel->priv = &es_stdout;
2189 2190 2191 2192

	return 0;
}

2193 2194 2195 2196 2197 2198 2199 2200 2201 2202 2203 2204 2205
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;
	}
}

2206
static int __cmd_script(struct perf_script *script)
F
Frederic Weisbecker 已提交
2207
{
2208 2209
	int ret;

2210 2211
	signal(SIGINT, sig_handler);

2212 2213
	perf_stat__init_shadow_stats();

2214 2215 2216 2217 2218 2219
	/* 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;
	}
2220 2221 2222 2223
	if (script->show_mmap_events) {
		script->tool.mmap = process_mmap_event;
		script->tool.mmap2 = process_mmap2_event;
	}
2224 2225
	if (script->show_switch_events)
		script->tool.context_switch = process_switch_event;
2226 2227
	if (script->show_namespace_events)
		script->tool.namespaces = process_namespaces_event;
2228 2229
	if (script->show_lost_events)
		script->tool.lost = process_lost_event;
2230 2231 2232 2233
	if (script->show_round_events) {
		script->tool.ordered_events = false;
		script->tool.finished_round = process_finished_round_event;
	}
2234

2235 2236 2237 2238 2239
	if (perf_script__setup_per_event_dump(script)) {
		pr_err("Couldn't create the per event dump files\n");
		return -1;
	}

2240
	ret = perf_session__process_events(script->session);
2241

2242
	if (script->per_event_dump)
2243
		perf_script__exit_per_event_dump_stats(script);
2244

2245
	if (debug_mode)
2246
		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2247 2248

	return ret;
F
Frederic Weisbecker 已提交
2249 2250
}

T
Tom Zanussi 已提交
2251 2252 2253 2254 2255 2256
struct script_spec {
	struct list_head	node;
	struct scripting_ops	*ops;
	char			spec[0];
};

2257
static LIST_HEAD(script_specs);
T
Tom Zanussi 已提交
2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294

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;

2295
	s = script_spec__new(spec, ops);
T
Tom Zanussi 已提交
2296 2297
	if (!s)
		return -1;
2298 2299
	else
		script_spec__add(s);
T
Tom Zanussi 已提交
2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318

	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 "
2319
		"perf script -s [spec:]script.[spec]):\n\n");
T
Tom Zanussi 已提交
2320 2321 2322 2323 2324 2325 2326

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

	fprintf(stderr, "\n");
}

2327 2328
static int parse_scriptname(const struct option *opt __maybe_unused,
			    const char *str, int unset __maybe_unused)
T
Tom Zanussi 已提交
2329 2330 2331 2332 2333
{
	char spec[PATH_MAX];
	const char *script, *ext;
	int len;

2334
	if (strcmp(str, "lang") == 0) {
T
Tom Zanussi 已提交
2335
		list_available_languages();
2336
		exit(0);
T
Tom Zanussi 已提交
2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355
	}

	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;
2356
		ext = strrchr(script, '.');
T
Tom Zanussi 已提交
2357 2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372
		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;
}

2373 2374
static int parse_output_fields(const struct option *opt __maybe_unused,
			    const char *arg, int unset __maybe_unused)
2375
{
2376
	char *tok, *strtok_saveptr = NULL;
2377
	int i, imax = ARRAY_SIZE(all_output_options);
2378
	int j;
2379 2380
	int rc = 0;
	char *str = strdup(arg);
2381
	int type = -1;
2382
	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2383 2384 2385 2386

	if (!str)
		return -ENOMEM;

2387 2388 2389
	/* 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.
2390
	 */
2391 2392 2393 2394 2395 2396 2397 2398 2399 2400
	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;
2401 2402
		else if (!strcmp(str, "raw"))
			type = PERF_TYPE_RAW;
2403 2404
		else if (!strcmp(str, "break"))
			type = PERF_TYPE_BREAKPOINT;
2405 2406
		else if (!strcmp(str, "synth"))
			type = OUTPUT_TYPE_SYNTH;
2407 2408
		else {
			fprintf(stderr, "Invalid event type in field string.\n");
2409 2410
			rc = -EINVAL;
			goto out;
2411 2412 2413 2414 2415 2416 2417 2418
		}

		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;
2419
		output[type].wildcard_set = false;
2420 2421 2422 2423 2424 2425 2426 2427 2428 2429

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

2430 2431 2432 2433
		/* Don't override defaults for +- */
		if (strchr(str, '+') || strchr(str, '-'))
			goto parse;

2434 2435 2436
		if (output_set_by_user())
			pr_warning("Overriding previous field request for all events.\n");

2437
		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2438 2439
			output[j].fields = 0;
			output[j].user_set = true;
2440
			output[j].wildcard_set = true;
2441
		}
2442 2443
	}

2444
parse:
2445
	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461
		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;
		}

2462
		for (i = 0; i < imax; ++i) {
2463
			if (strcmp(tok, all_output_options[i].str) == 0)
2464 2465
				break;
		}
2466
		if (i == imax && strcmp(tok, "flags") == 0) {
2467
			print_flags = change == REMOVE ? false : true;
2468 2469
			continue;
		}
2470
		if (i == imax) {
2471
			fprintf(stderr, "Invalid field requested.\n");
2472
			rc = -EINVAL;
2473
			goto out;
2474 2475
		}

2476 2477 2478 2479
		if (type == -1) {
			/* add user option to all events types for
			 * which it is valid
			 */
2480
			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2481 2482 2483
				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));
2484 2485 2486 2487 2488 2489
				} else {
					if (change == REMOVE)
						output[j].fields &= ~all_output_options[i].field;
					else
						output[j].fields |= all_output_options[i].field;
				}
2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500
			}
		} 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;
		}
2501 2502
	}

2503 2504 2505 2506 2507 2508
	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));
		}
	}
2509
	goto out;
2510

2511 2512 2513
out_badmix:
	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
	rc = -EINVAL;
2514
out:
2515 2516 2517 2518
	free(str);
	return rc;
}

2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531
#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)))
2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543


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

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

2544
static LIST_HEAD(script_descs);
2545 2546 2547 2548 2549

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

2550
	if (s != NULL && name)
2551 2552 2553 2554 2555 2556 2557
		s->name = strdup(name);

	return s;
}

static void script_desc__delete(struct script_desc *s)
{
2558 2559 2560
	zfree(&s->name);
	zfree(&s->half_liner);
	zfree(&s->args);
2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587
	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)
2588
		return NULL;
2589 2590 2591 2592 2593 2594

	script_desc__add(s);

	return s;
}

2595
static const char *ends_with(const char *str, const char *suffix)
2596 2597
{
	size_t suffix_len = strlen(suffix);
2598
	const char *p = str;
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 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649

	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;
}

2650 2651 2652 2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667
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;
}

2668 2669 2670
static int list_available_scripts(const struct option *opt __maybe_unused,
				  const char *s __maybe_unused,
				  int unset __maybe_unused)
2671
{
2672
	struct dirent *script_dirent, *lang_dirent;
2673 2674 2675 2676 2677 2678 2679 2680
	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;

2681
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2682 2683

	scripts_dir = opendir(scripts_path);
2684 2685 2686 2687 2688 2689 2690
	if (!scripts_dir) {
		fprintf(stdout,
			"open(%s) failed.\n"
			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
			scripts_path);
		exit(-1);
	}
2691

2692
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2693 2694
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2695 2696 2697 2698
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2699 2700
		for_each_script(lang_path, lang_dir, script_dirent) {
			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2701
			if (script_root) {
2702
				desc = script_desc__findnew(script_root);
2703 2704
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2705
				read_script_info(desc, script_path);
2706
				free(script_root);
2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721
			}
		}
	}

	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);
}

2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739
/*
 * 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;

2740
	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764

	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;
2765
			evlist__for_each_entry(session->evlist, pos) {
2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782
				if (!strcmp(perf_evsel__name(pos), evname)) {
					match = 1;
					break;
				}
			}

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

	fclose(fp);
	return 0;
}

2783 2784 2785 2786 2787 2788 2789 2790 2791
/*
 * 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)
{
2792
	struct dirent *script_dirent, *lang_dirent;
2793
	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2794
	DIR *scripts_dir, *lang_dir;
2795
	struct perf_session *session;
2796
	struct perf_data data = {
J
Jiri Olsa 已提交
2797 2798 2799 2800
		.file      = {
			.path = input_name,
		},
		.mode      = PERF_DATA_MODE_READ,
2801
	};
2802 2803 2804
	char *temp;
	int i = 0;

2805
	session = perf_session__new(&data, false, NULL);
2806 2807 2808
	if (!session)
		return -1;

2809
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2810 2811

	scripts_dir = opendir(scripts_path);
2812 2813
	if (!scripts_dir) {
		perf_session__delete(session);
2814
		return -1;
2815
	}
2816

2817
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2818 2819
		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
			  lang_dirent->d_name);
2820
#ifndef HAVE_LIBPERL_SUPPORT
2821 2822 2823
		if (strstr(lang_path, "perl"))
			continue;
#endif
2824
#ifndef HAVE_LIBPYTHON_SUPPORT
2825 2826 2827 2828 2829 2830 2831 2832
		if (strstr(lang_path, "python"))
			continue;
#endif

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

2833
		for_each_script(lang_path, lang_dir, script_dirent) {
2834
			/* Skip those real time scripts: xxxtop.p[yl] */
2835
			if (strstr(script_dirent->d_name, "top."))
2836 2837
				continue;
			sprintf(scripts_path_array[i], "%s/%s", lang_path,
2838 2839
				script_dirent->d_name);
			temp = strchr(script_dirent->d_name, '.');
2840
			snprintf(scripts_array[i],
2841 2842
				(temp - script_dirent->d_name) + 1,
				"%s", script_dirent->d_name);
2843 2844 2845 2846 2847

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

2848 2849
			i++;
		}
2850
		closedir(lang_dir);
2851 2852
	}

2853 2854
	closedir(scripts_dir);
	perf_session__delete(session);
2855 2856 2857
	return i;
}

2858 2859
static char *get_script_path(const char *script_root, const char *suffix)
{
2860
	struct dirent *script_dirent, *lang_dirent;
2861 2862 2863 2864
	char scripts_path[MAXPATHLEN];
	char script_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char lang_path[MAXPATHLEN];
2865
	char *__script_root;
2866

2867
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2868 2869 2870 2871 2872

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

2873
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2874 2875
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2876 2877 2878 2879
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2880 2881
		for_each_script(lang_path, lang_dir, script_dirent) {
			__script_root = get_script_root(script_dirent, suffix);
2882 2883
			if (__script_root && !strcmp(script_root, __script_root)) {
				free(__script_root);
2884 2885
				closedir(lang_dir);
				closedir(scripts_dir);
2886 2887
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2888
				return strdup(script_path);
2889 2890 2891
			}
			free(__script_root);
		}
2892
		closedir(lang_dir);
2893
	}
2894
	closedir(scripts_dir);
2895

2896
	return NULL;
2897 2898
}

2899 2900
static bool is_top_script(const char *script_path)
{
2901
	return ends_with(script_path, "top") == NULL ? false : true;
2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926
}

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;
}

2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939
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
2940

2941 2942 2943 2944 2945
	system_wide = (argc == 0);

	return 0;
}

2946 2947 2948 2949 2950 2951 2952
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) &&
2953
		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2954
			callchain_param.record_mode = CALLCHAIN_DWARF;
2955 2956
			dwarf_callchain_users = true;
		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2957 2958 2959 2960 2961 2962
			callchain_param.record_mode = CALLCHAIN_LBR;
		else
			callchain_param.record_mode = CALLCHAIN_FP;
	}
}

2963 2964 2965 2966 2967 2968 2969
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;

2970
	evlist__for_each_entry(session->evlist, counter) {
2971 2972 2973 2974 2975 2976 2977 2978
		perf_stat_process_counter(&stat_config, counter);
		process_stat(counter, round->time);
	}

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

2979 2980 2981 2982 2983 2984 2985 2986
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;
}

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 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043
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);
}

3044 3045 3046 3047 3048 3049 3050 3051 3052
static int process_feature_event(struct perf_tool *tool,
				 union perf_event *event,
				 struct perf_session *session)
{
	if (event->feat.feat_id < HEADER_LAST_FEATURE)
		return perf_event__process_feature(tool, event, session);
	return 0;
}

3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071
#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

3072
int cmd_script(int argc, const char **argv)
3073 3074
{
	bool show_full_info = false;
3075 3076
	bool header = false;
	bool header_only = false;
3077
	bool script_started = false;
3078 3079 3080
	char *rec_script_path = NULL;
	char *rep_script_path = NULL;
	struct perf_session *session;
3081
	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3082 3083
	char *script_path = NULL;
	const char **__argv;
3084
	int i, j, err = 0;
3085 3086 3087 3088 3089 3090
	struct perf_script script = {
		.tool = {
			.sample		 = process_sample_event,
			.mmap		 = perf_event__process_mmap,
			.mmap2		 = perf_event__process_mmap2,
			.comm		 = perf_event__process_comm,
3091
			.namespaces	 = perf_event__process_namespaces,
3092 3093
			.exit		 = perf_event__process_exit,
			.fork		 = perf_event__process_fork,
3094
			.attr		 = process_attr,
3095
			.event_update   = perf_event__process_event_update,
3096
			.tracing_data	 = perf_event__process_tracing_data,
3097
			.feature	 = process_feature_event,
3098
			.build_id	 = perf_event__process_build_id,
3099
			.id_index	 = perf_event__process_id_index,
3100
			.auxtrace_info	 = perf_script__process_auxtrace_info,
3101 3102
			.auxtrace	 = perf_event__process_auxtrace,
			.auxtrace_error	 = perf_event__process_auxtrace_error,
3103 3104
			.stat		 = perf_event__process_stat_event,
			.stat_round	 = process_stat_round_event,
3105
			.stat_config	 = process_stat_config_event,
3106 3107
			.thread_map	 = process_thread_map_event,
			.cpu_map	 = process_cpu_map_event,
3108
			.ordered_events	 = true,
3109 3110 3111
			.ordering_requires_timestamps = true,
		},
	};
3112
	struct perf_data data = {
3113 3114
		.mode = PERF_DATA_MODE_READ,
	};
3115
	const struct option options[] = {
F
Frederic Weisbecker 已提交
3116 3117
	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
		    "dump raw trace in ASCII"),
3118
	OPT_INCR('v', "verbose", &verbose,
3119
		 "be more verbose (show symbol address, etc)"),
3120
	OPT_BOOLEAN('L', "Latency", &latency_format,
3121
		    "show latency attributes (irqs/preemption disabled, etc)"),
3122 3123
	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
			   list_available_scripts),
T
Tom Zanussi 已提交
3124 3125 3126 3127
	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",
3128
		   "generate perf-script.xx script in specified language"),
3129
	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3130 3131
	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
		   "do various checks like samples ordering and lost events"),
3132 3133
	OPT_BOOLEAN(0, "header", &header, "Show data header."),
	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3134 3135 3136 3137 3138 3139
	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"),
3140 3141 3142
	OPT_CALLBACK(0, "symfs", NULL, "directory",
		     "Look for files with symbols relative to this directory",
		     symbol__config_symfs),
3143
	OPT_CALLBACK('F', "fields", NULL, "str",
3144
		     "comma separated output fields prepend with 'type:'. "
3145
		     "+field to add and -field to remove."
3146
		     "Valid types: hw,sw,trace,raw,synth. "
3147
		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3148 3149 3150
		     "addr,symoff,srcline,period,iregs,uregs,brstack,"
		     "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
		     "callindent,insn,insnlen,synth,phys_addr,metric,misc",
3151
		     parse_output_fields),
3152
	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3153
		    "system-wide collection from all CPUs"),
3154 3155
	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
		   "only consider these symbols"),
3156 3157
	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
		   "Stop display of callgraph at these symbols"),
3158
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3159 3160
	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
		   "only display events for these comms"),
3161 3162 3163 3164
	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"),
3165 3166 3167
	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. "
3168
		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3169 3170
	OPT_BOOLEAN('I', "show-info", &show_full_info,
		    "display extended information from perf.data file"),
3171 3172
	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
		    "Show the path of [kernel.kallsyms]"),
3173 3174
	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
		    "Show the fork/comm/exit events"),
3175 3176
	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
		    "Show the mmap events"),
3177 3178
	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
		    "Show context switch events (if recorded)"),
3179 3180
	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
		    "Show namespace events (if recorded)"),
3181 3182
	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
		    "Show lost events (if recorded)"),
3183 3184
	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
		    "Show round events (if recorded)"),
3185 3186
	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
		    "Dump trace output to files named by the monitored events"),
3187
	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3188 3189
	OPT_INTEGER(0, "max-blocks", &max_blocks,
		    "Maximum number of code blocks to dump with brstackinsn"),
3190 3191
	OPT_BOOLEAN(0, "ns", &nanosecs,
		    "Use 9 decimal places when displaying time"),
3192 3193 3194
	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
			    "Instruction Tracing options",
			    itrace_parse_synth_opts),
3195 3196
	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
			"Show full source file name path for source lines"),
3197 3198 3199 3200
	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
			"Enable symbol demangling"),
	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
			"Enable kernel symbol demangling"),
3201 3202
	OPT_STRING(0, "time", &script.time_str, "str",
		   "Time span of interest (start,stop)"),
3203 3204
	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
		    "Show inline function"),
3205
	OPT_END()
3206
	};
3207 3208
	const char * const script_subcommands[] = { "record", "report", NULL };
	const char *script_usage[] = {
3209 3210 3211 3212 3213 3214 3215
		"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
	};
3216

3217 3218
	perf_set_singlethreaded();

3219 3220
	setup_scripting();

3221
	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3222 3223
			     PARSE_OPT_STOP_AT_NON_OPTION);

J
Jiri Olsa 已提交
3224 3225
	data.file.path = input_name;
	data.force     = symbol_conf.force;
3226

3227 3228 3229
	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
		if (!rec_script_path)
3230
			return cmd_record(argc, argv);
3231 3232
	}

3233 3234 3235
	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
		if (!rep_script_path) {
3236
			fprintf(stderr,
3237
				"Please specify a valid report script"
3238
				"(see 'perf script -l' for listing)\n");
3239 3240 3241 3242
			return -1;
		}
	}

3243 3244 3245 3246
	if (itrace_synth_opts.callchain &&
	    itrace_synth_opts.callchain_sz > scripting_max_stack)
		scripting_max_stack = itrace_synth_opts.callchain_sz;

3247
	/* make sure PERF_EXEC_PATH is set for scripts */
3248
	set_argv_exec_path(get_argv_exec_path());
3249

3250
	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3251
		int live_pipe[2];
3252
		int rep_args;
3253 3254
		pid_t pid;

3255 3256 3257 3258
		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) {
3259 3260
			usage_with_options_msg(script_usage, options,
				"Couldn't find script `%s'\n\n See perf"
3261
				" script -l for available scripts.\n", argv[0]);
3262 3263
		}

3264 3265 3266 3267 3268 3269 3270 3271
		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) {
3272 3273
				usage_with_options_msg(script_usage, options,
					"`%s' script requires options."
3274
					"\n\n See perf script -l for available "
3275 3276
					"scripts and options.\n", argv[0]);
			}
3277 3278 3279 3280
		}

		if (pipe(live_pipe) < 0) {
			perror("failed to create pipe");
3281
			return -1;
3282 3283 3284 3285 3286
		}

		pid = fork();
		if (pid < 0) {
			perror("failed to fork");
3287
			return -1;
3288 3289 3290
		}

		if (!pid) {
3291 3292
			j = 0;

3293 3294 3295
			dup2(live_pipe[1], 1);
			close(live_pipe[0]);

3296 3297 3298
			if (is_top_script(argv[0])) {
				system_wide = true;
			} else if (!system_wide) {
3299 3300 3301 3302
				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
					err = -1;
					goto out;
				}
3303
			}
3304 3305

			__argv = malloc((argc + 6) * sizeof(const char *));
3306 3307 3308 3309 3310
			if (!__argv) {
				pr_err("malloc failed\n");
				err = -ENOMEM;
				goto out;
			}
3311

3312 3313 3314 3315 3316 3317 3318 3319 3320 3321
			__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;
3322 3323

			execvp("/bin/sh", (char **)__argv);
3324
			free(__argv);
3325 3326 3327 3328 3329 3330
			exit(-1);
		}

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

3331
		__argv = malloc((argc + 4) * sizeof(const char *));
3332 3333 3334 3335 3336 3337
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3338 3339 3340 3341 3342 3343 3344 3345
		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;
3346 3347

		execvp("/bin/sh", (char **)__argv);
3348
		free(__argv);
3349 3350 3351
		exit(-1);
	}

3352 3353 3354 3355
	if (rec_script_path)
		script_path = rec_script_path;
	if (rep_script_path)
		script_path = rep_script_path;
3356

3357 3358
	if (script_path) {
		j = 0;
3359

3360 3361
		if (!rec_script_path)
			system_wide = false;
3362 3363 3364 3365 3366 3367
		else if (!system_wide) {
			if (have_cmd(argc - 1, &argv[1]) != 0) {
				err = -1;
				goto out;
			}
		}
3368

3369
		__argv = malloc((argc + 2) * sizeof(const char *));
3370 3371 3372 3373 3374 3375
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3376 3377 3378 3379
		__argv[j++] = "/bin/sh";
		__argv[j++] = script_path;
		if (system_wide)
			__argv[j++] = "-a";
3380
		for (i = 2; i < argc; i++)
3381 3382
			__argv[j++] = argv[i];
		__argv[j++] = NULL;
3383 3384

		execvp("/bin/sh", (char **)__argv);
3385
		free(__argv);
3386 3387
		exit(-1);
	}
T
Tom Zanussi 已提交
3388

3389 3390
	if (!script_name)
		setup_pager();
F
Frederic Weisbecker 已提交
3391

3392
	session = perf_session__new(&data, false, &script.tool);
3393
	if (session == NULL)
3394
		return -1;
3395

3396
	if (header || header_only) {
3397
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3398 3399
		perf_session__fprintf_info(session, stdout, show_full_info);
		if (header_only)
3400
			goto out_delete;
3401
	}
3402 3403
	if (show_full_info)
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3404

3405
	if (symbol__init(&session->header.env) < 0)
3406 3407
		goto out_delete;

3408
	script.session = session;
3409
	script__setup_sample_type(&script);
3410

3411 3412 3413
	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
		itrace_synth_opts.thread_stack = true;

3414 3415
	session->itrace_synth_opts = &itrace_synth_opts;

3416
	if (cpu_list) {
3417 3418 3419
		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
		if (err < 0)
			goto out_delete;
3420
		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3421 3422
	}

3423
	if (!no_callchain)
3424 3425 3426 3427
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

3428
	if (session->tevent.pevent &&
3429 3430 3431
	    tep_set_function_resolver(session->tevent.pevent,
				      machine__resolve_kernel_addr,
				      &session->machines.host) < 0) {
3432
		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3433 3434
		err = -1;
		goto out_delete;
3435 3436
	}

T
Tom Zanussi 已提交
3437 3438
	if (generate_script_lang) {
		struct stat perf_stat;
3439 3440
		int input;

3441
		if (output_set_by_user()) {
3442 3443
			fprintf(stderr,
				"custom fields not supported for generated scripts");
3444 3445
			err = -EINVAL;
			goto out_delete;
3446
		}
T
Tom Zanussi 已提交
3447

J
Jiri Olsa 已提交
3448
		input = open(data.file.path, O_RDONLY);	/* input_name */
T
Tom Zanussi 已提交
3449
		if (input < 0) {
3450
			err = -errno;
T
Tom Zanussi 已提交
3451
			perror("failed to open file");
3452
			goto out_delete;
T
Tom Zanussi 已提交
3453 3454 3455 3456 3457
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
3458
			goto out_delete;
T
Tom Zanussi 已提交
3459 3460 3461 3462
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
3463
			goto out_delete;
T
Tom Zanussi 已提交
3464 3465 3466 3467 3468
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
3469 3470
			err = -ENOENT;
			goto out_delete;
T
Tom Zanussi 已提交
3471 3472
		}

J
Jiri Olsa 已提交
3473
		err = scripting_ops->generate_script(session->tevent.pevent,
3474
						     "perf-script");
3475
		goto out_delete;
T
Tom Zanussi 已提交
3476 3477 3478
	}

	if (script_name) {
3479
		err = scripting_ops->start_script(script_name, argc, argv);
T
Tom Zanussi 已提交
3480
		if (err)
3481
			goto out_delete;
3482
		pr_debug("perf script started with script %s\n\n", script_name);
3483
		script_started = true;
T
Tom Zanussi 已提交
3484 3485
	}

3486 3487 3488

	err = perf_session__check_output_opt(session);
	if (err < 0)
3489
		goto out_delete;
3490

3491 3492 3493 3494 3495 3496 3497
	script.ptime_range = perf_time__range_alloc(script.time_str,
						    &script.range_size);
	if (!script.ptime_range) {
		err = -ENOMEM;
		goto out_delete;
	}

3498
	/* needs to be parsed after looking up reference time */
3499 3500 3501
	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) {
3502 3503 3504
			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");
3505 3506 3507 3508 3509
			err = -EINVAL;
			goto out_delete;
		}

		script.range_num = perf_time__percent_parse_str(
3510
					script.ptime_range, script.range_size,
3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521
					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;
3522 3523
	}

3524
	err = __cmd_script(&script);
T
Tom Zanussi 已提交
3525

3526 3527
	flush_scripting();

3528
out_delete:
3529 3530
	zfree(&script.ptime_range);

3531
	perf_evlist__free_stats(session->evlist);
3532
	perf_session__delete(session);
3533 3534 3535

	if (script_started)
		cleanup_scripting();
T
Tom Zanussi 已提交
3536 3537
out:
	return err;
F
Frederic Weisbecker 已提交
3538
}