builtin-script.c 90.9 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(thread, sample->cpumode, from, &alf);
			thread__find_map(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(thread, sample->cpumode, from, &alf);
		thread__find_symbol(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;

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

826 827
		if (thread__find_map(thread, sample->cpumode, to, &alt) &&
		    !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 1601 1602 1603 1604 1605
	fputs("\tmetric: ", mctx->fp);
}

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

	if (!init) {
		perf_stat__init_shadow_stats();
		init = true;
	}
	if (!evsel->stats)
		perf_evlist__alloc_stats(script->session->evlist, false);
	if (evsel_script(evsel->leader)->gnum++ == 0)
		perf_stat__reset_shadow_stats();
	val = sample->period * evsel->scale;
	perf_stat__update_shadow_stats(evsel,
				       val,
1606 1607
				       sample->cpu,
				       &rt_stat);
1608 1609 1610 1611 1612 1613 1614
	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
1615 1616
						      NULL,
						      &rt_stat);
1617 1618 1619 1620 1621
		}
		evsel_script(evsel->leader)->gnum = 0;
	}
}

1622
static void process_event(struct perf_script *script,
1623
			  struct perf_sample *sample, struct perf_evsel *evsel,
1624 1625
			  struct addr_location *al,
			  struct machine *machine)
1626
{
1627
	struct thread *thread = al->thread;
1628
	struct perf_event_attr *attr = &evsel->attr;
1629
	unsigned int type = output_type(attr->type);
1630 1631
	struct perf_evsel_script *es = evsel->priv;
	FILE *fp = es->fp;
1632

1633
	if (output[type].fields == 0)
1634 1635
		return;

1636 1637
	++es->samples;

1638 1639
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SAMPLE, fp);
1640

J
Jiri Olsa 已提交
1641
	if (PRINT_FIELD(PERIOD))
1642
		fprintf(fp, "%10" PRIu64 " ", sample->period);
J
Jiri Olsa 已提交
1643

1644 1645
	if (PRINT_FIELD(EVNAME)) {
		const char *evname = perf_evsel__name(evsel);
1646 1647 1648 1649

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

1650
		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1651 1652
	}

1653
	if (print_flags)
1654
		perf_sample__fprintf_flags(sample->flags, fp);
1655

1656
	if (is_bts_event(attr)) {
1657
		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1658 1659 1660
		return;
	}

1661 1662 1663 1664
	if (PRINT_FIELD(TRACE)) {
		event_format__fprintf(evsel->tp_format, sample->cpu,
				      sample->raw_data, sample->raw_size, fp);
	}
1665 1666

	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1667
		perf_sample__fprintf_synth(sample, evsel, fp);
1668

1669
	if (PRINT_FIELD(ADDR))
1670
		perf_sample__fprintf_addr(sample, thread, attr, fp);
1671

1672
	if (PRINT_FIELD(DATA_SRC))
1673
		data_src__fprintf(sample->data_src, fp);
1674 1675

	if (PRINT_FIELD(WEIGHT))
1676
		fprintf(fp, "%16" PRIu64, sample->weight);
1677

1678
	if (PRINT_FIELD(IP)) {
1679
		struct callchain_cursor *cursor = NULL;
1680

1681
		if (symbol_conf.use_callchain && sample->callchain &&
1682
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1683
					      sample, NULL, NULL, scripting_max_stack) == 0)
1684
			cursor = &callchain_cursor;
1685

1686 1687
		fputc(cursor ? '\n' : ' ', fp);
		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1688 1689
	}

1690
	if (PRINT_FIELD(IREGS))
1691
		perf_sample__fprintf_iregs(sample, attr, fp);
1692

A
Andi Kleen 已提交
1693
	if (PRINT_FIELD(UREGS))
1694
		perf_sample__fprintf_uregs(sample, attr, fp);
A
Andi Kleen 已提交
1695

1696
	if (PRINT_FIELD(BRSTACK))
1697
		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1698
	else if (PRINT_FIELD(BRSTACKSYM))
1699
		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1700
	else if (PRINT_FIELD(BRSTACKOFF))
1701
		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1702

1703
	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1704 1705
		perf_sample__fprintf_bpf_output(sample, fp);
	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1706 1707

	if (PRINT_FIELD(PHYS_ADDR))
1708 1709
		fprintf(fp, "%16" PRIx64, sample->phys_addr);
	fprintf(fp, "\n");
1710 1711 1712

	if (PRINT_FIELD(METRIC))
		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1713 1714
}

T
Tom Zanussi 已提交
1715 1716
static struct scripting_ops	*scripting_ops;

1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750
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));
		}
	}
}

1751 1752 1753 1754
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);
1755 1756
	else
		__process_stat(counter, tstamp);
1757 1758 1759 1760 1761 1762 1763 1764
}

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
1765 1766
static void setup_scripting(void)
{
1767
	setup_perl_scripting();
1768
	setup_python_scripting();
T
Tom Zanussi 已提交
1769 1770
}

1771 1772
static int flush_scripting(void)
{
1773
	return scripting_ops ? scripting_ops->flush_script() : 0;
1774 1775
}

T
Tom Zanussi 已提交
1776 1777
static int cleanup_scripting(void)
{
1778
	pr_debug("\nperf script stopped\n");
1779

1780
	return scripting_ops ? scripting_ops->stop_script() : 0;
T
Tom Zanussi 已提交
1781 1782
}

1783
static int process_sample_event(struct perf_tool *tool,
1784
				union perf_event *event,
1785
				struct perf_sample *sample,
1786
				struct perf_evsel *evsel,
1787
				struct machine *machine)
F
Frederic Weisbecker 已提交
1788
{
1789
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1790
	struct addr_location al;
F
Frederic Weisbecker 已提交
1791

1792 1793
	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
					  sample->time)) {
1794
		return 0;
1795
	}
1796

1797 1798 1799 1800 1801 1802
	if (debug_mode) {
		if (sample->time < last_timestamp) {
			pr_err("Samples misordered, previous: %" PRIu64
				" this: %" PRIu64 "\n", last_timestamp,
				sample->time);
			nr_unordered++;
1803
		}
1804 1805
		last_timestamp = sample->time;
		return 0;
F
Frederic Weisbecker 已提交
1806
	}
1807

1808
	if (machine__resolve(machine, &al, sample) < 0) {
1809 1810 1811 1812 1813 1814
		pr_err("problem processing %d event, skipping it.\n",
		       event->header.type);
		return -1;
	}

	if (al.filtered)
1815
		goto out_put;
1816

1817
	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1818
		goto out_put;
1819

1820 1821 1822
	if (scripting_ops)
		scripting_ops->process_event(event, sample, evsel, &al);
	else
1823
		process_event(scr, sample, evsel, &al, machine);
1824

1825 1826
out_put:
	addr_location__put(&al);
F
Frederic Weisbecker 已提交
1827 1828 1829
	return 0;
}

1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844
static int process_attr(struct perf_tool *tool, union perf_event *event,
			struct perf_evlist **pevlist)
{
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
	struct perf_evlist *evlist;
	struct perf_evsel *evsel, *pos;
	int err;

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

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

1845 1846
	if (evsel->attr.type >= PERF_TYPE_MAX &&
	    evsel->attr.type != PERF_TYPE_SYNTH)
1847 1848
		return 0;

1849
	evlist__for_each_entry(evlist, pos) {
1850 1851 1852 1853 1854 1855
		if (pos->attr.type == evsel->attr.type && pos != evsel)
			return 0;
	}

	set_print_ip_opts(&evsel->attr);

1856 1857 1858 1859
	if (evsel->attr.sample_type)
		err = perf_evsel__check_attr(evsel, scr->session);

	return err;
1860 1861
}

1862 1863 1864 1865 1866 1867 1868 1869
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;
1870
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887
	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;
	}
1888 1889
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_COMM, stdout);
1890 1891 1892
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
1893
	thread__put(thread);
1894 1895 1896
	return ret;
}

1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923
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;
	}
1924 1925
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_NAMESPACES, stdout);
1926 1927 1928 1929 1930 1931 1932
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
	thread__put(thread);
	return ret;
}

1933 1934 1935 1936 1937 1938 1939 1940
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;
1941
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957

	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;
	}
1958 1959
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_FORK, stdout);
1960
	perf_event__fprintf(event, stdout);
1961
	thread__put(thread);
1962 1963 1964 1965 1966 1967 1968 1969

	return 0;
}
static int process_exit_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
1970
	int err = 0;
1971 1972 1973
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1974
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1975 1976 1977 1978 1979 1980 1981 1982 1983 1984

	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;
1985 1986
		sample->tid = event->fork.tid;
		sample->pid = event->fork.pid;
1987
	}
1988 1989
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_EXIT, stdout);
1990 1991 1992
	perf_event__fprintf(event, stdout);

	if (perf_event__process_exit(tool, event, sample, machine) < 0)
1993
		err = -1;
1994

1995 1996
	thread__put(thread);
	return err;
1997 1998
}

1999 2000 2001 2002 2003 2004 2005 2006
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;
2007
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023

	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;
	}
2024 2025
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP, stdout);
2026
	perf_event__fprintf(event, stdout);
2027
	thread__put(thread);
2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038
	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;
2039
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055

	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;
	}
2056 2057
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP2, stdout);
2058
	perf_event__fprintf(event, stdout);
2059
	thread__put(thread);
2060 2061 2062
	return 0;
}

2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082
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;
	}

2083 2084
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SWITCH, stdout);
2085 2086 2087 2088 2089
	perf_event__fprintf(event, stdout);
	thread__put(thread);
	return 0;
}

2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112
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;
}

2113 2114 2115 2116 2117 2118 2119 2120 2121 2122
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;
}

2123
static void sig_handler(int sig __maybe_unused)
2124 2125 2126 2127
{
	session_done = 1;
}

2128 2129 2130 2131 2132 2133 2134 2135
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;
2136
		perf_evsel_script__delete(evsel->priv);
2137 2138 2139 2140 2141 2142 2143 2144 2145
		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) {
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155
		/*
		 * 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;

2156
		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170
		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;
2171
	static struct perf_evsel_script es_stdout;
2172 2173 2174 2175

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

2176 2177
	es_stdout.fp = stdout;

2178
	evlist__for_each_entry(script->session->evlist, evsel)
2179
		evsel->priv = &es_stdout;
2180 2181 2182 2183

	return 0;
}

2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196
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;
	}
}

2197
static int __cmd_script(struct perf_script *script)
F
Frederic Weisbecker 已提交
2198
{
2199 2200
	int ret;

2201 2202
	signal(SIGINT, sig_handler);

2203 2204 2205 2206 2207 2208
	/* 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;
	}
2209 2210 2211 2212
	if (script->show_mmap_events) {
		script->tool.mmap = process_mmap_event;
		script->tool.mmap2 = process_mmap2_event;
	}
2213 2214
	if (script->show_switch_events)
		script->tool.context_switch = process_switch_event;
2215 2216
	if (script->show_namespace_events)
		script->tool.namespaces = process_namespaces_event;
2217 2218
	if (script->show_lost_events)
		script->tool.lost = process_lost_event;
2219 2220 2221 2222
	if (script->show_round_events) {
		script->tool.ordered_events = false;
		script->tool.finished_round = process_finished_round_event;
	}
2223

2224 2225 2226 2227 2228
	if (perf_script__setup_per_event_dump(script)) {
		pr_err("Couldn't create the per event dump files\n");
		return -1;
	}

2229
	ret = perf_session__process_events(script->session);
2230

2231
	if (script->per_event_dump)
2232
		perf_script__exit_per_event_dump_stats(script);
2233

2234
	if (debug_mode)
2235
		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2236 2237

	return ret;
F
Frederic Weisbecker 已提交
2238 2239
}

T
Tom Zanussi 已提交
2240 2241 2242 2243 2244 2245
struct script_spec {
	struct list_head	node;
	struct scripting_ops	*ops;
	char			spec[0];
};

2246
static LIST_HEAD(script_specs);
T
Tom Zanussi 已提交
2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283

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;

2284
	s = script_spec__new(spec, ops);
T
Tom Zanussi 已提交
2285 2286
	if (!s)
		return -1;
2287 2288
	else
		script_spec__add(s);
T
Tom Zanussi 已提交
2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307

	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 "
2308
		"perf script -s [spec:]script.[spec]):\n\n");
T
Tom Zanussi 已提交
2309 2310 2311 2312 2313 2314 2315

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

	fprintf(stderr, "\n");
}

2316 2317
static int parse_scriptname(const struct option *opt __maybe_unused,
			    const char *str, int unset __maybe_unused)
T
Tom Zanussi 已提交
2318 2319 2320 2321 2322
{
	char spec[PATH_MAX];
	const char *script, *ext;
	int len;

2323
	if (strcmp(str, "lang") == 0) {
T
Tom Zanussi 已提交
2324
		list_available_languages();
2325
		exit(0);
T
Tom Zanussi 已提交
2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344
	}

	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;
2345
		ext = strrchr(script, '.');
T
Tom Zanussi 已提交
2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 2358 2359 2360 2361
		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;
}

2362 2363
static int parse_output_fields(const struct option *opt __maybe_unused,
			    const char *arg, int unset __maybe_unused)
2364
{
2365
	char *tok, *strtok_saveptr = NULL;
2366
	int i, imax = ARRAY_SIZE(all_output_options);
2367
	int j;
2368 2369
	int rc = 0;
	char *str = strdup(arg);
2370
	int type = -1;
2371
	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2372 2373 2374 2375

	if (!str)
		return -ENOMEM;

2376 2377 2378
	/* 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.
2379
	 */
2380 2381 2382 2383 2384 2385 2386 2387 2388 2389
	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;
2390 2391
		else if (!strcmp(str, "raw"))
			type = PERF_TYPE_RAW;
2392 2393
		else if (!strcmp(str, "break"))
			type = PERF_TYPE_BREAKPOINT;
2394 2395
		else if (!strcmp(str, "synth"))
			type = OUTPUT_TYPE_SYNTH;
2396 2397
		else {
			fprintf(stderr, "Invalid event type in field string.\n");
2398 2399
			rc = -EINVAL;
			goto out;
2400 2401 2402 2403 2404 2405 2406 2407
		}

		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;
2408
		output[type].wildcard_set = false;
2409 2410 2411 2412 2413 2414 2415 2416 2417 2418

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

2419 2420 2421 2422
		/* Don't override defaults for +- */
		if (strchr(str, '+') || strchr(str, '-'))
			goto parse;

2423 2424 2425
		if (output_set_by_user())
			pr_warning("Overriding previous field request for all events.\n");

2426
		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2427 2428
			output[j].fields = 0;
			output[j].user_set = true;
2429
			output[j].wildcard_set = true;
2430
		}
2431 2432
	}

2433
parse:
2434
	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450
		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;
		}

2451
		for (i = 0; i < imax; ++i) {
2452
			if (strcmp(tok, all_output_options[i].str) == 0)
2453 2454
				break;
		}
2455
		if (i == imax && strcmp(tok, "flags") == 0) {
2456
			print_flags = change == REMOVE ? false : true;
2457 2458
			continue;
		}
2459
		if (i == imax) {
2460
			fprintf(stderr, "Invalid field requested.\n");
2461
			rc = -EINVAL;
2462
			goto out;
2463 2464
		}

2465 2466 2467 2468
		if (type == -1) {
			/* add user option to all events types for
			 * which it is valid
			 */
2469
			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2470 2471 2472
				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));
2473 2474 2475 2476 2477 2478
				} else {
					if (change == REMOVE)
						output[j].fields &= ~all_output_options[i].field;
					else
						output[j].fields |= all_output_options[i].field;
				}
2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489
			}
		} 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;
		}
2490 2491
	}

2492 2493 2494 2495 2496 2497
	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));
		}
	}
2498
	goto out;
2499

2500 2501 2502
out_badmix:
	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
	rc = -EINVAL;
2503
out:
2504 2505 2506 2507
	free(str);
	return rc;
}

2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520
#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)))
2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532


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

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

2533
static LIST_HEAD(script_descs);
2534 2535 2536 2537 2538

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

2539
	if (s != NULL && name)
2540 2541 2542 2543 2544 2545 2546
		s->name = strdup(name);

	return s;
}

static void script_desc__delete(struct script_desc *s)
{
2547 2548 2549
	zfree(&s->name);
	zfree(&s->half_liner);
	zfree(&s->args);
2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576
	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)
2577
		return NULL;
2578 2579 2580 2581 2582 2583

	script_desc__add(s);

	return s;
}

2584
static const char *ends_with(const char *str, const char *suffix)
2585 2586
{
	size_t suffix_len = strlen(suffix);
2587
	const char *p = str;
2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638

	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;
}

2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652 2653 2654 2655 2656
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;
}

2657 2658 2659
static int list_available_scripts(const struct option *opt __maybe_unused,
				  const char *s __maybe_unused,
				  int unset __maybe_unused)
2660
{
2661
	struct dirent *script_dirent, *lang_dirent;
2662 2663 2664 2665 2666 2667 2668 2669
	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;

2670
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2671 2672

	scripts_dir = opendir(scripts_path);
2673 2674 2675 2676 2677 2678 2679
	if (!scripts_dir) {
		fprintf(stdout,
			"open(%s) failed.\n"
			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
			scripts_path);
		exit(-1);
	}
2680

2681
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2682 2683
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2684 2685 2686 2687
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2688 2689
		for_each_script(lang_path, lang_dir, script_dirent) {
			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2690
			if (script_root) {
2691
				desc = script_desc__findnew(script_root);
2692 2693
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2694
				read_script_info(desc, script_path);
2695
				free(script_root);
2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710
			}
		}
	}

	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);
}

2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728
/*
 * 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;

2729
	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753

	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;
2754
			evlist__for_each_entry(session->evlist, pos) {
2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771
				if (!strcmp(perf_evsel__name(pos), evname)) {
					match = 1;
					break;
				}
			}

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

	fclose(fp);
	return 0;
}

2772 2773 2774 2775 2776 2777 2778 2779 2780
/*
 * 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)
{
2781
	struct dirent *script_dirent, *lang_dirent;
2782
	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2783
	DIR *scripts_dir, *lang_dir;
2784
	struct perf_session *session;
2785
	struct perf_data data = {
J
Jiri Olsa 已提交
2786 2787 2788 2789
		.file      = {
			.path = input_name,
		},
		.mode      = PERF_DATA_MODE_READ,
2790
	};
2791 2792 2793
	char *temp;
	int i = 0;

2794
	session = perf_session__new(&data, false, NULL);
2795 2796 2797
	if (!session)
		return -1;

2798
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2799 2800

	scripts_dir = opendir(scripts_path);
2801 2802
	if (!scripts_dir) {
		perf_session__delete(session);
2803
		return -1;
2804
	}
2805

2806
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2807 2808
		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
			  lang_dirent->d_name);
2809
#ifndef HAVE_LIBPERL_SUPPORT
2810 2811 2812
		if (strstr(lang_path, "perl"))
			continue;
#endif
2813
#ifndef HAVE_LIBPYTHON_SUPPORT
2814 2815 2816 2817 2818 2819 2820 2821
		if (strstr(lang_path, "python"))
			continue;
#endif

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

2822
		for_each_script(lang_path, lang_dir, script_dirent) {
2823
			/* Skip those real time scripts: xxxtop.p[yl] */
2824
			if (strstr(script_dirent->d_name, "top."))
2825 2826
				continue;
			sprintf(scripts_path_array[i], "%s/%s", lang_path,
2827 2828
				script_dirent->d_name);
			temp = strchr(script_dirent->d_name, '.');
2829
			snprintf(scripts_array[i],
2830 2831
				(temp - script_dirent->d_name) + 1,
				"%s", script_dirent->d_name);
2832 2833 2834 2835 2836

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

2837 2838
			i++;
		}
2839
		closedir(lang_dir);
2840 2841
	}

2842 2843
	closedir(scripts_dir);
	perf_session__delete(session);
2844 2845 2846
	return i;
}

2847 2848
static char *get_script_path(const char *script_root, const char *suffix)
{
2849
	struct dirent *script_dirent, *lang_dirent;
2850 2851 2852 2853
	char scripts_path[MAXPATHLEN];
	char script_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char lang_path[MAXPATHLEN];
2854
	char *__script_root;
2855

2856
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2857 2858 2859 2860 2861

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

2862
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2863 2864
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2865 2866 2867 2868
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2869 2870
		for_each_script(lang_path, lang_dir, script_dirent) {
			__script_root = get_script_root(script_dirent, suffix);
2871 2872
			if (__script_root && !strcmp(script_root, __script_root)) {
				free(__script_root);
2873 2874
				closedir(lang_dir);
				closedir(scripts_dir);
2875 2876
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2877
				return strdup(script_path);
2878 2879 2880
			}
			free(__script_root);
		}
2881
		closedir(lang_dir);
2882
	}
2883
	closedir(scripts_dir);
2884

2885
	return NULL;
2886 2887
}

2888 2889
static bool is_top_script(const char *script_path)
{
2890
	return ends_with(script_path, "top") == NULL ? false : true;
2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915
}

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;
}

2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928
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
2929

2930 2931 2932 2933 2934
	system_wide = (argc == 0);

	return 0;
}

2935 2936 2937 2938 2939 2940 2941
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) &&
2942
		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2943
			callchain_param.record_mode = CALLCHAIN_DWARF;
2944 2945
			dwarf_callchain_users = true;
		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2946 2947 2948 2949 2950 2951
			callchain_param.record_mode = CALLCHAIN_LBR;
		else
			callchain_param.record_mode = CALLCHAIN_FP;
	}
}

2952 2953 2954 2955 2956 2957 2958
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;

2959
	evlist__for_each_entry(session->evlist, counter) {
2960 2961 2962 2963 2964 2965 2966 2967
		perf_stat_process_counter(&stat_config, counter);
		process_stat(counter, round->time);
	}

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

2968 2969 2970 2971 2972 2973 2974 2975
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;
}

2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032
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);
}

3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050 3051
#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

3052
int cmd_script(int argc, const char **argv)
3053 3054
{
	bool show_full_info = false;
3055 3056
	bool header = false;
	bool header_only = false;
3057
	bool script_started = false;
3058 3059 3060
	char *rec_script_path = NULL;
	char *rep_script_path = NULL;
	struct perf_session *session;
3061
	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3062 3063
	char *script_path = NULL;
	const char **__argv;
3064
	int i, j, err = 0;
3065 3066 3067 3068 3069 3070
	struct perf_script script = {
		.tool = {
			.sample		 = process_sample_event,
			.mmap		 = perf_event__process_mmap,
			.mmap2		 = perf_event__process_mmap2,
			.comm		 = perf_event__process_comm,
3071
			.namespaces	 = perf_event__process_namespaces,
3072 3073
			.exit		 = perf_event__process_exit,
			.fork		 = perf_event__process_fork,
3074
			.attr		 = process_attr,
3075
			.event_update   = perf_event__process_event_update,
3076
			.tracing_data	 = perf_event__process_tracing_data,
3077
			.feature	 = perf_event__process_feature,
3078
			.build_id	 = perf_event__process_build_id,
3079
			.id_index	 = perf_event__process_id_index,
3080
			.auxtrace_info	 = perf_script__process_auxtrace_info,
3081 3082
			.auxtrace	 = perf_event__process_auxtrace,
			.auxtrace_error	 = perf_event__process_auxtrace_error,
3083 3084
			.stat		 = perf_event__process_stat_event,
			.stat_round	 = process_stat_round_event,
3085
			.stat_config	 = process_stat_config_event,
3086 3087
			.thread_map	 = process_thread_map_event,
			.cpu_map	 = process_cpu_map_event,
3088
			.ordered_events	 = true,
3089 3090 3091
			.ordering_requires_timestamps = true,
		},
	};
3092
	struct perf_data data = {
3093 3094
		.mode = PERF_DATA_MODE_READ,
	};
3095
	const struct option options[] = {
F
Frederic Weisbecker 已提交
3096 3097
	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
		    "dump raw trace in ASCII"),
3098
	OPT_INCR('v', "verbose", &verbose,
3099
		 "be more verbose (show symbol address, etc)"),
3100
	OPT_BOOLEAN('L', "Latency", &latency_format,
3101
		    "show latency attributes (irqs/preemption disabled, etc)"),
3102 3103
	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
			   list_available_scripts),
T
Tom Zanussi 已提交
3104 3105 3106 3107
	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",
3108
		   "generate perf-script.xx script in specified language"),
3109
	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3110 3111
	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
		   "do various checks like samples ordering and lost events"),
3112 3113
	OPT_BOOLEAN(0, "header", &header, "Show data header."),
	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3114 3115 3116 3117 3118 3119
	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"),
3120 3121 3122
	OPT_CALLBACK(0, "symfs", NULL, "directory",
		     "Look for files with symbols relative to this directory",
		     symbol__config_symfs),
3123
	OPT_CALLBACK('F', "fields", NULL, "str",
3124
		     "comma separated output fields prepend with 'type:'. "
3125
		     "+field to add and -field to remove."
3126
		     "Valid types: hw,sw,trace,raw,synth. "
3127
		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
A
Andi Kleen 已提交
3128
		     "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3129
		     "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3130
		     parse_output_fields),
3131
	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3132
		    "system-wide collection from all CPUs"),
3133 3134
	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
		   "only consider these symbols"),
3135 3136
	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
		   "Stop display of callgraph at these symbols"),
3137
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3138 3139
	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
		   "only display events for these comms"),
3140 3141 3142 3143
	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"),
3144 3145 3146
	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. "
3147
		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3148 3149
	OPT_BOOLEAN('I', "show-info", &show_full_info,
		    "display extended information from perf.data file"),
3150 3151
	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
		    "Show the path of [kernel.kallsyms]"),
3152 3153
	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
		    "Show the fork/comm/exit events"),
3154 3155
	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
		    "Show the mmap events"),
3156 3157
	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
		    "Show context switch events (if recorded)"),
3158 3159
	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
		    "Show namespace events (if recorded)"),
3160 3161
	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
		    "Show lost events (if recorded)"),
3162 3163
	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
		    "Show round events (if recorded)"),
3164 3165
	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
		    "Dump trace output to files named by the monitored events"),
3166
	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3167 3168
	OPT_INTEGER(0, "max-blocks", &max_blocks,
		    "Maximum number of code blocks to dump with brstackinsn"),
3169 3170
	OPT_BOOLEAN(0, "ns", &nanosecs,
		    "Use 9 decimal places when displaying time"),
3171 3172 3173
	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
			    "Instruction Tracing options",
			    itrace_parse_synth_opts),
3174 3175
	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
			"Show full source file name path for source lines"),
3176 3177 3178 3179
	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
			"Enable symbol demangling"),
	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
			"Enable kernel symbol demangling"),
3180 3181
	OPT_STRING(0, "time", &script.time_str, "str",
		   "Time span of interest (start,stop)"),
3182 3183
	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
		    "Show inline function"),
3184
	OPT_END()
3185
	};
3186 3187
	const char * const script_subcommands[] = { "record", "report", NULL };
	const char *script_usage[] = {
3188 3189 3190 3191 3192 3193 3194
		"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
	};
3195

3196 3197
	perf_set_singlethreaded();

3198 3199
	setup_scripting();

3200
	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3201 3202
			     PARSE_OPT_STOP_AT_NON_OPTION);

J
Jiri Olsa 已提交
3203 3204
	data.file.path = input_name;
	data.force     = symbol_conf.force;
3205

3206 3207 3208
	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
		if (!rec_script_path)
3209
			return cmd_record(argc, argv);
3210 3211
	}

3212 3213 3214
	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
		if (!rep_script_path) {
3215
			fprintf(stderr,
3216
				"Please specify a valid report script"
3217
				"(see 'perf script -l' for listing)\n");
3218 3219 3220 3221
			return -1;
		}
	}

3222 3223 3224 3225
	if (itrace_synth_opts.callchain &&
	    itrace_synth_opts.callchain_sz > scripting_max_stack)
		scripting_max_stack = itrace_synth_opts.callchain_sz;

3226
	/* make sure PERF_EXEC_PATH is set for scripts */
3227
	set_argv_exec_path(get_argv_exec_path());
3228

3229
	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3230
		int live_pipe[2];
3231
		int rep_args;
3232 3233
		pid_t pid;

3234 3235 3236 3237
		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) {
3238 3239
			usage_with_options_msg(script_usage, options,
				"Couldn't find script `%s'\n\n See perf"
3240
				" script -l for available scripts.\n", argv[0]);
3241 3242
		}

3243 3244 3245 3246 3247 3248 3249 3250
		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) {
3251 3252
				usage_with_options_msg(script_usage, options,
					"`%s' script requires options."
3253
					"\n\n See perf script -l for available "
3254 3255
					"scripts and options.\n", argv[0]);
			}
3256 3257 3258 3259
		}

		if (pipe(live_pipe) < 0) {
			perror("failed to create pipe");
3260
			return -1;
3261 3262 3263 3264 3265
		}

		pid = fork();
		if (pid < 0) {
			perror("failed to fork");
3266
			return -1;
3267 3268 3269
		}

		if (!pid) {
3270 3271
			j = 0;

3272 3273 3274
			dup2(live_pipe[1], 1);
			close(live_pipe[0]);

3275 3276 3277
			if (is_top_script(argv[0])) {
				system_wide = true;
			} else if (!system_wide) {
3278 3279 3280 3281
				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
					err = -1;
					goto out;
				}
3282
			}
3283 3284

			__argv = malloc((argc + 6) * sizeof(const char *));
3285 3286 3287 3288 3289
			if (!__argv) {
				pr_err("malloc failed\n");
				err = -ENOMEM;
				goto out;
			}
3290

3291 3292 3293 3294 3295 3296 3297 3298 3299 3300
			__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;
3301 3302

			execvp("/bin/sh", (char **)__argv);
3303
			free(__argv);
3304 3305 3306 3307 3308 3309
			exit(-1);
		}

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

3310
		__argv = malloc((argc + 4) * sizeof(const char *));
3311 3312 3313 3314 3315 3316
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3317 3318 3319 3320 3321 3322 3323 3324
		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;
3325 3326

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

3331 3332 3333 3334
	if (rec_script_path)
		script_path = rec_script_path;
	if (rep_script_path)
		script_path = rep_script_path;
3335

3336 3337
	if (script_path) {
		j = 0;
3338

3339 3340
		if (!rec_script_path)
			system_wide = false;
3341 3342 3343 3344 3345 3346
		else if (!system_wide) {
			if (have_cmd(argc - 1, &argv[1]) != 0) {
				err = -1;
				goto out;
			}
		}
3347

3348
		__argv = malloc((argc + 2) * sizeof(const char *));
3349 3350 3351 3352 3353 3354
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3355 3356 3357 3358
		__argv[j++] = "/bin/sh";
		__argv[j++] = script_path;
		if (system_wide)
			__argv[j++] = "-a";
3359
		for (i = 2; i < argc; i++)
3360 3361
			__argv[j++] = argv[i];
		__argv[j++] = NULL;
3362 3363

		execvp("/bin/sh", (char **)__argv);
3364
		free(__argv);
3365 3366
		exit(-1);
	}
T
Tom Zanussi 已提交
3367

3368 3369
	if (!script_name)
		setup_pager();
F
Frederic Weisbecker 已提交
3370

3371
	session = perf_session__new(&data, false, &script.tool);
3372
	if (session == NULL)
3373
		return -1;
3374

3375
	if (header || header_only) {
3376
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3377 3378
		perf_session__fprintf_info(session, stdout, show_full_info);
		if (header_only)
3379
			goto out_delete;
3380
	}
3381 3382
	if (show_full_info)
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3383

3384
	if (symbol__init(&session->header.env) < 0)
3385 3386
		goto out_delete;

3387
	script.session = session;
3388
	script__setup_sample_type(&script);
3389

3390 3391 3392
	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
		itrace_synth_opts.thread_stack = true;

3393 3394
	session->itrace_synth_opts = &itrace_synth_opts;

3395
	if (cpu_list) {
3396 3397 3398
		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
		if (err < 0)
			goto out_delete;
3399
		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3400 3401
	}

3402
	if (!no_callchain)
3403 3404 3405 3406
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

3407 3408
	if (session->tevent.pevent &&
	    pevent_set_function_resolver(session->tevent.pevent,
3409 3410 3411
					 machine__resolve_kernel_addr,
					 &session->machines.host) < 0) {
		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3412 3413
		err = -1;
		goto out_delete;
3414 3415
	}

T
Tom Zanussi 已提交
3416 3417
	if (generate_script_lang) {
		struct stat perf_stat;
3418 3419
		int input;

3420
		if (output_set_by_user()) {
3421 3422
			fprintf(stderr,
				"custom fields not supported for generated scripts");
3423 3424
			err = -EINVAL;
			goto out_delete;
3425
		}
T
Tom Zanussi 已提交
3426

J
Jiri Olsa 已提交
3427
		input = open(data.file.path, O_RDONLY);	/* input_name */
T
Tom Zanussi 已提交
3428
		if (input < 0) {
3429
			err = -errno;
T
Tom Zanussi 已提交
3430
			perror("failed to open file");
3431
			goto out_delete;
T
Tom Zanussi 已提交
3432 3433 3434 3435 3436
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
3437
			goto out_delete;
T
Tom Zanussi 已提交
3438 3439 3440 3441
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
3442
			goto out_delete;
T
Tom Zanussi 已提交
3443 3444 3445 3446 3447
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
3448 3449
			err = -ENOENT;
			goto out_delete;
T
Tom Zanussi 已提交
3450 3451
		}

J
Jiri Olsa 已提交
3452
		err = scripting_ops->generate_script(session->tevent.pevent,
3453
						     "perf-script");
3454
		goto out_delete;
T
Tom Zanussi 已提交
3455 3456 3457
	}

	if (script_name) {
3458
		err = scripting_ops->start_script(script_name, argc, argv);
T
Tom Zanussi 已提交
3459
		if (err)
3460
			goto out_delete;
3461
		pr_debug("perf script started with script %s\n\n", script_name);
3462
		script_started = true;
T
Tom Zanussi 已提交
3463 3464
	}

3465 3466 3467

	err = perf_session__check_output_opt(session);
	if (err < 0)
3468
		goto out_delete;
3469

3470 3471 3472 3473 3474 3475 3476
	script.ptime_range = perf_time__range_alloc(script.time_str,
						    &script.range_size);
	if (!script.ptime_range) {
		err = -ENOMEM;
		goto out_delete;
	}

3477
	/* needs to be parsed after looking up reference time */
3478 3479 3480
	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) {
3481 3482 3483
			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");
3484 3485 3486 3487 3488
			err = -EINVAL;
			goto out_delete;
		}

		script.range_num = perf_time__percent_parse_str(
3489
					script.ptime_range, script.range_size,
3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500
					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;
3501 3502
	}

3503
	err = __cmd_script(&script);
T
Tom Zanussi 已提交
3504

3505 3506
	flush_scripting();

3507
out_delete:
3508 3509
	zfree(&script.ptime_range);

3510
	perf_evlist__free_stats(session->evlist);
3511
	perf_session__delete(session);
3512 3513 3514

	if (script_started)
		cleanup_scripting();
T
Tom Zanussi 已提交
3515 3516
out:
	return err;
F
Frederic Weisbecker 已提交
3517
}