builtin-script.c 90.5 KB
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// SPDX-License-Identifier: GPL-2.0
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#include "builtin.h"

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

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

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

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enum {
	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
	OUTPUT_TYPE_MAX
};

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

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

	[PERF_TYPE_SOFTWARE] = {
		.user_set = false,

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

	[PERF_TYPE_TRACEPOINT] = {
		.user_set = false,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

	return 0;
}

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

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

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

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

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

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

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

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

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

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

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

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

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	return 0;
}

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

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

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

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

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		set_print_ip_opts(&evsel->attr);
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	}

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

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

		j = PERF_TYPE_TRACEPOINT;

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

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

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

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

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

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

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

	return printed;
A
Andi Kleen 已提交
596 597
}

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

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

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

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

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

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

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

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

		#undef has

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

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

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

	return printed;
690 691
}

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

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

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

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

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

		if (PRINT_FIELD(DSO)) {
			memset(&alf, 0, sizeof(alf));
			memset(&alt, 0, sizeof(alt));
720 721
			thread__find_map(thread, sample->cpumode, from, &alf);
			thread__find_map(thread, sample->cpumode, to, &alt);
722 723
		}

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

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

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

	return printed;
746 747
}

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

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

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

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

767 768
		thread__find_symbol(thread, sample->cpumode, from, &alf);
		thread__find_symbol(thread, sample->cpumode, to, &alt);
769

770
		printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
771
		if (PRINT_FIELD(DSO)) {
772 773 774
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
775
		}
776 777
		printed += fprintf(fp, "%c", '/');
		printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
778
		if (PRINT_FIELD(DSO)) {
779 780 781
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
782
		}
783
		printed += fprintf(fp, "/%c/%c/%c/%d ",
784 785 786 787 788
			mispred_str( br->entries + i),
			br->entries[i].flags.in_tx? 'X' : '-',
			br->entries[i].flags.abort? 'A' : '-',
			br->entries[i].flags.cycles);
	}
789 790

	return printed;
791 792
}

793 794 795
static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
					   struct thread *thread,
					   struct perf_event_attr *attr, FILE *fp)
796 797 798 799
{
	struct branch_stack *br = sample->branch_stack;
	struct addr_location alf, alt;
	u64 i, from, to;
800
	int printed = 0;
801 802

	if (!(br && br->nr))
803
		return 0;
804 805 806 807 808 809 810 811

	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;

812
		thread__find_map(thread, sample->cpumode, from, &alf);
813 814 815
		if (alf.map && !alf.map->dso->adjust_symbols)
			from = map__map_ip(alf.map, from);

816
		thread__find_map(thread, sample->cpumode, to, &alt);
817 818 819
		if (alt.map && !alt.map->dso->adjust_symbols)
			to = map__map_ip(alt.map, to);

820
		printed += fprintf(fp, " 0x%"PRIx64, from);
821
		if (PRINT_FIELD(DSO)) {
822 823 824
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alf.map, fp);
			printed += fprintf(fp, ")");
825
		}
826
		printed += fprintf(fp, "/0x%"PRIx64, to);
827
		if (PRINT_FIELD(DSO)) {
828 829 830
			printed += fprintf(fp, "(");
			printed += map__fprintf_dsoname(alt.map, fp);
			printed += fprintf(fp, ")");
831
		}
832
		printed += fprintf(fp, "/%c/%c/%c/%d ",
833 834 835 836 837
			mispred_str(br->entries + i),
			br->entries[i].flags.in_tx ? 'X' : '-',
			br->entries[i].flags.abort ? 'A' : '-',
			br->entries[i].flags.cycles);
	}
838 839

	return printed;
840
}
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866
#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)) {
867
		pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
868 869 870 871 872 873
		return -ENXIO;
	}

	memset(&al, 0, sizeof(al));
	if (end - start > MAXBB - MAXINSN) {
		if (last)
874
			pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
875
		else
876
			pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
877 878 879
		return 0;
	}

880
	thread__find_map(thread, *cpumode, start, &al);
881
	if (!al.map || !al.map->dso) {
882
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
883 884 885
		return 0;
	}
	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
886
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
887 888 889 890 891 892 893 894 895 896 897 898
		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)
899
		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
900 901 902 903
			start, end);
	return len;
}

904 905 906
static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
			    struct perf_insn *x, u8 *inbuf, int len,
			    int insn, FILE *fp)
907
{
908 909 910 911 912 913
	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" : "");
914
	if (en->flags.cycles) {
915
		printed += fprintf(fp, " %d cycles", en->flags.cycles);
916
		if (insn)
917
			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
918
	}
919
	return printed + fprintf(fp, "\n");
920 921
}

922 923 924
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)
925 926
{
	struct addr_location al;
927
	int off, printed = 0;
928 929 930

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

931
	thread__find_map(thread, cpumode, addr, &al);
932
	if (!al.map)
933
		__thread__find_map(thread, cpumode, MAP__VARIABLE, addr, &al);
934
	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
935
		return 0;
936 937 938 939 940 941 942

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

	if (!al.sym)
943
		return 0;
944 945 946 947 948

	if (al.addr < al.sym->end)
		off = al.addr - al.sym->start;
	else
		off = al.addr - al.map->start - al.sym->start;
949
	printed += fprintf(fp, "\t%s", al.sym->name);
950
	if (off)
951 952
		printed += fprintf(fp, "%+d", off);
	printed += fprintf(fp, ":");
953
	if (PRINT_FIELD(SRCLINE))
954 955
		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
	printed += fprintf(fp, "\n");
956
	*lastsym = al.sym;
957 958

	return printed;
959 960
}

961 962 963 964
static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
					    struct thread *thread,
					    struct perf_event_attr *attr,
					    struct machine *machine, FILE *fp)
965 966 967
{
	struct branch_stack *br = sample->branch_stack;
	u64 start, end;
968
	int i, insn, len, nr, ilen, printed = 0;
969 970 971 972 973 974
	struct perf_insn x;
	u8 buffer[MAXBB];
	unsigned off;
	struct symbol *lastsym = NULL;

	if (!(br && br->nr))
975
		return 0;
976 977 978 979 980 981 982
	nr = br->nr;
	if (max_blocks && nr > max_blocks + 1)
		nr = max_blocks + 1;

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

983
	printed += fprintf(fp, "%c", '\n');
984 985 986 987 988 989

	/* 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) {
990 991 992 993
		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);
994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018
	}

	/* 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;

1019
			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1020
			if (ip == end) {
1021
				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1022 1023
				break;
			} else {
1024 1025
				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037
				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)
1038
		goto out;
1039
	if (br->entries[0].flags.abort)
1040
		goto out;
1041 1042 1043 1044 1045 1046 1047

	/*
	 * 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);
1048
	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1049 1050 1051 1052 1053
	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)
1054
			goto out;
1055

1056
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1057
			dump_insn(&x, sample->ip, buffer, len, NULL));
1058
		goto out;
1059 1060
	}
	for (off = 0; off <= end - start; off += ilen) {
1061 1062
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1063 1064 1065
		if (ilen == 0)
			break;
	}
1066 1067
out:
	return printed;
1068
}
1069

1070 1071 1072
static int perf_sample__fprintf_addr(struct perf_sample *sample,
				     struct thread *thread,
				     struct perf_event_attr *attr, FILE *fp)
1073 1074
{
	struct addr_location al;
1075
	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1076 1077

	if (!sample_addr_correlates_sym(attr))
1078
		goto out;
1079

1080
	thread__resolve(thread, &al, sample);
1081 1082

	if (PRINT_FIELD(SYM)) {
1083
		printed += fprintf(fp, " ");
1084
		if (PRINT_FIELD(SYMOFFSET))
1085
			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1086
		else
1087
			printed += symbol__fprintf_symname(al.sym, fp);
1088 1089 1090
	}

	if (PRINT_FIELD(DSO)) {
1091 1092 1093
		printed += fprintf(fp, " (");
		printed += map__fprintf_dsoname(al.map, fp);
		printed += fprintf(fp, ")");
1094
	}
1095 1096
out:
	return printed;
1097 1098
}

1099 1100 1101 1102
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
					   struct perf_evsel *evsel,
					   struct thread *thread,
					   struct addr_location *al, FILE *fp)
1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136
{
	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)
1137
		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1138
	else if (ip)
1139
		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1140 1141

	if (len < 0)
1142
		return len;
1143 1144 1145 1146 1147 1148 1149 1150 1151

	/*
	 * 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)
1152 1153 1154
		len += fprintf(fp, "%*s", spacing - len, "");

	return len;
1155 1156
}

1157 1158 1159 1160
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
1161
{
1162 1163
	int printed = 0;

A
Andi Kleen 已提交
1164
	if (PRINT_FIELD(INSNLEN))
1165
		printed += fprintf(fp, " ilen: %d", sample->insn_len);
A
Andi Kleen 已提交
1166 1167 1168
	if (PRINT_FIELD(INSN)) {
		int i;

1169
		printed += fprintf(fp, " insn:");
A
Andi Kleen 已提交
1170
		for (i = 0; i < sample->insn_len; i++)
1171
			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
A
Andi Kleen 已提交
1172
	}
1173
	if (PRINT_FIELD(BRSTACKINSN))
1174 1175 1176
		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);

	return printed;
A
Andi Kleen 已提交
1177 1178
}

1179 1180 1181 1182 1183
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)
1184 1185
{
	struct perf_event_attr *attr = &evsel->attr;
1186
	unsigned int type = output_type(attr->type);
1187
	bool print_srcline_last = false;
1188
	int printed = 0;
1189

1190
	if (PRINT_FIELD(CALLINDENT))
1191
		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1192

1193 1194
	/* print branch_from information */
	if (PRINT_FIELD(IP)) {
1195
		unsigned int print_opts = output[type].print_ip_opts;
1196
		struct callchain_cursor *cursor = NULL;
1197

1198
		if (symbol_conf.use_callchain && sample->callchain &&
1199
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1200
					      sample, NULL, NULL, scripting_max_stack) == 0)
1201
			cursor = &callchain_cursor;
1202 1203

		if (cursor == NULL) {
1204
			printed += fprintf(fp, " ");
1205
			if (print_opts & EVSEL__PRINT_SRCLINE) {
1206
				print_srcline_last = true;
1207
				print_opts &= ~EVSEL__PRINT_SRCLINE;
1208
			}
1209
		} else
1210
			printed += fprintf(fp, "\n");
1211

1212
		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1213 1214 1215
	}

	/* print branch_to information */
1216 1217
	if (PRINT_FIELD(ADDR) ||
	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1218
	     !output[type].user_set)) {
1219 1220
		printed += fprintf(fp, " => ");
		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1221
	}
1222

1223
	if (print_srcline_last)
1224
		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
A
Andi Kleen 已提交
1225

1226 1227
	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
	return printed + fprintf(fp, "\n");
1228 1229
}

1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249
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}
};

1250
static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1251 1252 1253
{
	const char *chars = PERF_IP_FLAG_CHARS;
	const int n = strlen(PERF_IP_FLAG_CHARS);
1254 1255
	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
	const char *name = NULL;
1256 1257 1258
	char str[33];
	int i, pos = 0;

1259 1260 1261 1262 1263 1264 1265
	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;
		}
	}

1266 1267 1268 1269 1270 1271 1272 1273 1274
	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;
1275 1276

	if (name)
1277 1278 1279
		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");

	return fprintf(fp, "  %-11s ", str);
1280 1281
}

1282 1283 1284 1285 1286 1287
struct printer_data {
	int line_no;
	bool hit_nul;
	bool is_printable;
};

1288 1289 1290
static int sample__fprintf_bpf_output(enum binary_printer_ops op,
				      unsigned int val,
				      void *extra, FILE *fp)
1291 1292 1293
{
	unsigned char ch = (unsigned char)val;
	struct printer_data *printer_data = extra;
1294
	int printed = 0;
1295 1296 1297

	switch (op) {
	case BINARY_PRINT_DATA_BEGIN:
1298
		printed += fprintf(fp, "\n");
1299 1300
		break;
	case BINARY_PRINT_LINE_BEGIN:
1301
		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1302 1303 1304
						        "           ");
		break;
	case BINARY_PRINT_ADDR:
1305
		printed += fprintf(fp, " %04x:", val);
1306 1307
		break;
	case BINARY_PRINT_NUM_DATA:
1308
		printed += fprintf(fp, " %02x", val);
1309 1310
		break;
	case BINARY_PRINT_NUM_PAD:
1311
		printed += fprintf(fp, "   ");
1312 1313
		break;
	case BINARY_PRINT_SEP:
1314
		printed += fprintf(fp, "  ");
1315 1316 1317 1318 1319 1320
		break;
	case BINARY_PRINT_CHAR_DATA:
		if (printer_data->hit_nul && ch)
			printer_data->is_printable = false;

		if (!isprint(ch)) {
1321
			printed += fprintf(fp, "%c", '.');
1322 1323 1324 1325 1326 1327 1328 1329 1330

			if (!printer_data->is_printable)
				break;

			if (ch == '\0')
				printer_data->hit_nul = true;
			else
				printer_data->is_printable = false;
		} else {
1331
			printed += fprintf(fp, "%c", ch);
1332 1333 1334
		}
		break;
	case BINARY_PRINT_CHAR_PAD:
1335
		printed += fprintf(fp, " ");
1336 1337
		break;
	case BINARY_PRINT_LINE_END:
1338
		printed += fprintf(fp, "\n");
1339 1340 1341 1342 1343 1344
		printer_data->line_no++;
		break;
	case BINARY_PRINT_DATA_END:
	default:
		break;
	}
1345 1346

	return printed;
1347 1348
}

1349
static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1350 1351 1352
{
	unsigned int nr_bytes = sample->raw_size;
	struct printer_data printer_data = {0, false, true};
1353 1354
	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
				      sample__fprintf_bpf_output, &printer_data, fp);
1355 1356

	if (printer_data.is_printable && printer_data.hit_nul)
1357 1358 1359
		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));

	return printed;
1360 1361
}

1362
static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1363 1364
{
	if (len > 0 && len < spacing)
1365 1366 1367
		return fprintf(fp, "%*s", spacing - len, "");

	return 0;
1368 1369
}

1370
static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1371
{
1372
	return perf_sample__fprintf_spacing(len, 34, fp);
1373 1374
}

1375
static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1376 1377 1378 1379 1380
{
	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1381
		return 0;
1382

1383
	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1384
		     data->ip, le64_to_cpu(data->payload));
1385
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1386 1387
}

1388
static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1389 1390 1391 1392 1393
{
	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1394
		return 0;
1395

1396 1397 1398
	len = fprintf(fp, " hints: %#x extensions: %#x ",
		      data->hints, data->extensions);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1399 1400
}

1401
static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1402 1403 1404 1405 1406
{
	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1407
		return 0;
1408

1409 1410 1411
	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);
1412 1413
}

1414
static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1415 1416 1417 1418 1419
{
	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1420
		return 0;
1421

1422 1423
	len = fprintf(fp, " IP: %u ", data->ip);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1424 1425
}

1426
static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1427 1428 1429 1430 1431
{
	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1432
		return 0;
1433

1434
	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1435 1436
		     data->deepest_cstate, data->last_cstate,
		     data->wake_reason);
1437
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1438 1439
}

1440
static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1441 1442 1443 1444 1445 1446
{
	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))
1447
		return 0;
1448 1449

	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1450
	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1451 1452
	if (data->max_nonturbo) {
		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1453
		len += fprintf(fp, "(%3u%%) ", percent);
1454
	}
1455
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1456 1457
}

1458 1459
static int perf_sample__fprintf_synth(struct perf_sample *sample,
				      struct perf_evsel *evsel, FILE *fp)
1460 1461
{
	switch (evsel->attr.config) {
1462
	case PERF_SYNTH_INTEL_PTWRITE:
1463
		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1464
	case PERF_SYNTH_INTEL_MWAIT:
1465
		return perf_sample__fprintf_synth_mwait(sample, fp);
1466
	case PERF_SYNTH_INTEL_PWRE:
1467
		return perf_sample__fprintf_synth_pwre(sample, fp);
1468
	case PERF_SYNTH_INTEL_EXSTOP:
1469
		return perf_sample__fprintf_synth_exstop(sample, fp);
1470
	case PERF_SYNTH_INTEL_PWRX:
1471
		return perf_sample__fprintf_synth_pwrx(sample, fp);
1472
	case PERF_SYNTH_INTEL_CBR:
1473
		return perf_sample__fprintf_synth_cbr(sample, fp);
1474 1475 1476
	default:
		break;
	}
1477 1478

	return 0;
1479 1480
}

1481 1482 1483 1484 1485 1486
struct perf_script {
	struct perf_tool	tool;
	struct perf_session	*session;
	bool			show_task_events;
	bool			show_mmap_events;
	bool			show_switch_events;
1487
	bool			show_namespace_events;
1488
	bool			show_lost_events;
1489
	bool			show_round_events;
1490
	bool			allocated;
1491
	bool			per_event_dump;
1492 1493
	struct cpu_map		*cpus;
	struct thread_map	*threads;
1494
	int			name_width;
1495
	const char              *time_str;
1496 1497
	struct perf_time_interval *ptime_range;
	int			range_size;
1498
	int			range_num;
1499 1500
};

1501 1502 1503 1504 1505
static int perf_evlist__max_name_len(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel;
	int max = 0;

1506
	evlist__for_each_entry(evlist, evsel) {
1507 1508 1509 1510 1511 1512 1513 1514
		int len = strlen(perf_evsel__name(evsel));

		max = MAX(len, max);
	}

	return max;
}

1515
static int data_src__fprintf(u64 data_src, FILE *fp)
J
Jiri Olsa 已提交
1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528
{
	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;

1529
	return fprintf(fp, "%-*s", maxlen, out);
J
Jiri Olsa 已提交
1530 1531
}

1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547
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,
1548
				   PERF_RECORD_SAMPLE, mctx->fp);
1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561
	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,
1562
				   PERF_RECORD_SAMPLE, mctx->fp);
1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597
	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,
1598 1599
				       sample->cpu,
				       &rt_stat);
1600 1601 1602 1603 1604 1605 1606
	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
1607 1608
						      NULL,
						      &rt_stat);
1609 1610 1611 1612 1613
		}
		evsel_script(evsel->leader)->gnum = 0;
	}
}

1614
static void process_event(struct perf_script *script,
1615
			  struct perf_sample *sample, struct perf_evsel *evsel,
1616 1617
			  struct addr_location *al,
			  struct machine *machine)
1618
{
1619
	struct thread *thread = al->thread;
1620
	struct perf_event_attr *attr = &evsel->attr;
1621
	unsigned int type = output_type(attr->type);
1622 1623
	struct perf_evsel_script *es = evsel->priv;
	FILE *fp = es->fp;
1624

1625
	if (output[type].fields == 0)
1626 1627
		return;

1628 1629
	++es->samples;

1630 1631
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SAMPLE, fp);
1632

J
Jiri Olsa 已提交
1633
	if (PRINT_FIELD(PERIOD))
1634
		fprintf(fp, "%10" PRIu64 " ", sample->period);
J
Jiri Olsa 已提交
1635

1636 1637
	if (PRINT_FIELD(EVNAME)) {
		const char *evname = perf_evsel__name(evsel);
1638 1639 1640 1641

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

1642
		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1643 1644
	}

1645
	if (print_flags)
1646
		perf_sample__fprintf_flags(sample->flags, fp);
1647

1648
	if (is_bts_event(attr)) {
1649
		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1650 1651 1652
		return;
	}

1653 1654 1655 1656
	if (PRINT_FIELD(TRACE)) {
		event_format__fprintf(evsel->tp_format, sample->cpu,
				      sample->raw_data, sample->raw_size, fp);
	}
1657 1658

	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1659
		perf_sample__fprintf_synth(sample, evsel, fp);
1660

1661
	if (PRINT_FIELD(ADDR))
1662
		perf_sample__fprintf_addr(sample, thread, attr, fp);
1663

1664
	if (PRINT_FIELD(DATA_SRC))
1665
		data_src__fprintf(sample->data_src, fp);
1666 1667

	if (PRINT_FIELD(WEIGHT))
1668
		fprintf(fp, "%16" PRIu64, sample->weight);
1669

1670
	if (PRINT_FIELD(IP)) {
1671
		struct callchain_cursor *cursor = NULL;
1672

1673
		if (symbol_conf.use_callchain && sample->callchain &&
1674
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1675
					      sample, NULL, NULL, scripting_max_stack) == 0)
1676
			cursor = &callchain_cursor;
1677

1678 1679
		fputc(cursor ? '\n' : ' ', fp);
		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1680 1681
	}

1682
	if (PRINT_FIELD(IREGS))
1683
		perf_sample__fprintf_iregs(sample, attr, fp);
1684

A
Andi Kleen 已提交
1685
	if (PRINT_FIELD(UREGS))
1686
		perf_sample__fprintf_uregs(sample, attr, fp);
A
Andi Kleen 已提交
1687

1688
	if (PRINT_FIELD(BRSTACK))
1689
		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1690
	else if (PRINT_FIELD(BRSTACKSYM))
1691
		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1692
	else if (PRINT_FIELD(BRSTACKOFF))
1693
		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1694

1695
	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1696 1697
		perf_sample__fprintf_bpf_output(sample, fp);
	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1698 1699

	if (PRINT_FIELD(PHYS_ADDR))
1700 1701
		fprintf(fp, "%16" PRIx64, sample->phys_addr);
	fprintf(fp, "\n");
1702 1703 1704

	if (PRINT_FIELD(METRIC))
		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1705 1706
}

T
Tom Zanussi 已提交
1707 1708
static struct scripting_ops	*scripting_ops;

1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742
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));
		}
	}
}

1743 1744 1745 1746
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);
1747 1748
	else
		__process_stat(counter, tstamp);
1749 1750 1751 1752 1753 1754 1755 1756
}

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
1757 1758
static void setup_scripting(void)
{
1759
	setup_perl_scripting();
1760
	setup_python_scripting();
T
Tom Zanussi 已提交
1761 1762
}

1763 1764
static int flush_scripting(void)
{
1765
	return scripting_ops ? scripting_ops->flush_script() : 0;
1766 1767
}

T
Tom Zanussi 已提交
1768 1769
static int cleanup_scripting(void)
{
1770
	pr_debug("\nperf script stopped\n");
1771

1772
	return scripting_ops ? scripting_ops->stop_script() : 0;
T
Tom Zanussi 已提交
1773 1774
}

1775
static int process_sample_event(struct perf_tool *tool,
1776
				union perf_event *event,
1777
				struct perf_sample *sample,
1778
				struct perf_evsel *evsel,
1779
				struct machine *machine)
F
Frederic Weisbecker 已提交
1780
{
1781
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1782
	struct addr_location al;
F
Frederic Weisbecker 已提交
1783

1784 1785
	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
					  sample->time)) {
1786
		return 0;
1787
	}
1788

1789 1790 1791 1792 1793 1794
	if (debug_mode) {
		if (sample->time < last_timestamp) {
			pr_err("Samples misordered, previous: %" PRIu64
				" this: %" PRIu64 "\n", last_timestamp,
				sample->time);
			nr_unordered++;
1795
		}
1796 1797
		last_timestamp = sample->time;
		return 0;
F
Frederic Weisbecker 已提交
1798
	}
1799

1800
	if (machine__resolve(machine, &al, sample) < 0) {
1801 1802 1803 1804 1805 1806
		pr_err("problem processing %d event, skipping it.\n",
		       event->header.type);
		return -1;
	}

	if (al.filtered)
1807
		goto out_put;
1808

1809
	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1810
		goto out_put;
1811

1812 1813 1814
	if (scripting_ops)
		scripting_ops->process_event(event, sample, evsel, &al);
	else
1815
		process_event(scr, sample, evsel, &al, machine);
1816

1817 1818
out_put:
	addr_location__put(&al);
F
Frederic Weisbecker 已提交
1819 1820 1821
	return 0;
}

1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836
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);

1837 1838
	if (evsel->attr.type >= PERF_TYPE_MAX &&
	    evsel->attr.type != PERF_TYPE_SYNTH)
1839 1840
		return 0;

1841
	evlist__for_each_entry(evlist, pos) {
1842 1843 1844 1845 1846 1847
		if (pos->attr.type == evsel->attr.type && pos != evsel)
			return 0;
	}

	set_print_ip_opts(&evsel->attr);

1848 1849 1850 1851
	if (evsel->attr.sample_type)
		err = perf_evsel__check_attr(evsel, scr->session);

	return err;
1852 1853
}

1854 1855 1856 1857 1858 1859 1860 1861
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;
1862
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879
	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;
	}
1880 1881
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_COMM, stdout);
1882 1883 1884
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
1885
	thread__put(thread);
1886 1887 1888
	return ret;
}

1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915
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;
	}
1916 1917
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_NAMESPACES, stdout);
1918 1919 1920 1921 1922 1923 1924
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
	thread__put(thread);
	return ret;
}

1925 1926 1927 1928 1929 1930 1931 1932
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;
1933
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949

	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;
	}
1950 1951
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_FORK, stdout);
1952
	perf_event__fprintf(event, stdout);
1953
	thread__put(thread);
1954 1955 1956 1957 1958 1959 1960 1961

	return 0;
}
static int process_exit_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
1962
	int err = 0;
1963 1964 1965
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1966
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1967 1968 1969 1970 1971 1972 1973 1974 1975 1976

	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;
1977 1978
		sample->tid = event->fork.tid;
		sample->pid = event->fork.pid;
1979
	}
1980 1981
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_EXIT, stdout);
1982 1983 1984
	perf_event__fprintf(event, stdout);

	if (perf_event__process_exit(tool, event, sample, machine) < 0)
1985
		err = -1;
1986

1987 1988
	thread__put(thread);
	return err;
1989 1990
}

1991 1992 1993 1994 1995 1996 1997 1998
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;
1999
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015

	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;
	}
2016 2017
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP, stdout);
2018
	perf_event__fprintf(event, stdout);
2019
	thread__put(thread);
2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
	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;
2031
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047

	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;
	}
2048 2049
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP2, stdout);
2050
	perf_event__fprintf(event, stdout);
2051
	thread__put(thread);
2052 2053 2054
	return 0;
}

2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074
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;
	}

2075 2076
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SWITCH, stdout);
2077 2078 2079 2080 2081
	perf_event__fprintf(event, stdout);
	thread__put(thread);
	return 0;
}

2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104
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;
}

2105 2106 2107 2108 2109 2110 2111 2112 2113 2114
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;
}

2115
static void sig_handler(int sig __maybe_unused)
2116 2117 2118 2119
{
	session_done = 1;
}

2120 2121 2122 2123 2124 2125 2126 2127
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;
2128
		perf_evsel_script__delete(evsel->priv);
2129 2130 2131 2132 2133 2134 2135 2136 2137
		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) {
2138 2139 2140 2141 2142 2143 2144 2145 2146 2147
		/*
		 * 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;

2148
		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162
		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;
2163
	static struct perf_evsel_script es_stdout;
2164 2165 2166 2167

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

2168 2169
	es_stdout.fp = stdout;

2170
	evlist__for_each_entry(script->session->evlist, evsel)
2171
		evsel->priv = &es_stdout;
2172 2173 2174 2175

	return 0;
}

2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186 2187 2188
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;
	}
}

2189
static int __cmd_script(struct perf_script *script)
F
Frederic Weisbecker 已提交
2190
{
2191 2192
	int ret;

2193 2194
	signal(SIGINT, sig_handler);

2195 2196 2197 2198 2199 2200
	/* 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;
	}
2201 2202 2203 2204
	if (script->show_mmap_events) {
		script->tool.mmap = process_mmap_event;
		script->tool.mmap2 = process_mmap2_event;
	}
2205 2206
	if (script->show_switch_events)
		script->tool.context_switch = process_switch_event;
2207 2208
	if (script->show_namespace_events)
		script->tool.namespaces = process_namespaces_event;
2209 2210
	if (script->show_lost_events)
		script->tool.lost = process_lost_event;
2211 2212 2213 2214
	if (script->show_round_events) {
		script->tool.ordered_events = false;
		script->tool.finished_round = process_finished_round_event;
	}
2215

2216 2217 2218 2219 2220
	if (perf_script__setup_per_event_dump(script)) {
		pr_err("Couldn't create the per event dump files\n");
		return -1;
	}

2221
	ret = perf_session__process_events(script->session);
2222

2223
	if (script->per_event_dump)
2224
		perf_script__exit_per_event_dump_stats(script);
2225

2226
	if (debug_mode)
2227
		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2228 2229

	return ret;
F
Frederic Weisbecker 已提交
2230 2231
}

T
Tom Zanussi 已提交
2232 2233 2234 2235 2236 2237
struct script_spec {
	struct list_head	node;
	struct scripting_ops	*ops;
	char			spec[0];
};

2238
static LIST_HEAD(script_specs);
T
Tom Zanussi 已提交
2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275

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;

2276
	s = script_spec__new(spec, ops);
T
Tom Zanussi 已提交
2277 2278
	if (!s)
		return -1;
2279 2280
	else
		script_spec__add(s);
T
Tom Zanussi 已提交
2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299

	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 "
2300
		"perf script -s [spec:]script.[spec]):\n\n");
T
Tom Zanussi 已提交
2301 2302 2303 2304 2305 2306 2307

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

	fprintf(stderr, "\n");
}

2308 2309
static int parse_scriptname(const struct option *opt __maybe_unused,
			    const char *str, int unset __maybe_unused)
T
Tom Zanussi 已提交
2310 2311 2312 2313 2314
{
	char spec[PATH_MAX];
	const char *script, *ext;
	int len;

2315
	if (strcmp(str, "lang") == 0) {
T
Tom Zanussi 已提交
2316
		list_available_languages();
2317
		exit(0);
T
Tom Zanussi 已提交
2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336
	}

	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;
2337
		ext = strrchr(script, '.');
T
Tom Zanussi 已提交
2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353
		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;
}

2354 2355
static int parse_output_fields(const struct option *opt __maybe_unused,
			    const char *arg, int unset __maybe_unused)
2356
{
2357
	char *tok, *strtok_saveptr = NULL;
2358
	int i, imax = ARRAY_SIZE(all_output_options);
2359
	int j;
2360 2361
	int rc = 0;
	char *str = strdup(arg);
2362
	int type = -1;
2363
	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2364 2365 2366 2367

	if (!str)
		return -ENOMEM;

2368 2369 2370
	/* 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.
2371
	 */
2372 2373 2374 2375 2376 2377 2378 2379 2380 2381
	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;
2382 2383
		else if (!strcmp(str, "raw"))
			type = PERF_TYPE_RAW;
2384 2385
		else if (!strcmp(str, "break"))
			type = PERF_TYPE_BREAKPOINT;
2386 2387
		else if (!strcmp(str, "synth"))
			type = OUTPUT_TYPE_SYNTH;
2388 2389
		else {
			fprintf(stderr, "Invalid event type in field string.\n");
2390 2391
			rc = -EINVAL;
			goto out;
2392 2393 2394 2395 2396 2397 2398 2399
		}

		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;
2400
		output[type].wildcard_set = false;
2401 2402 2403 2404 2405 2406 2407 2408 2409 2410

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

2411 2412 2413 2414
		/* Don't override defaults for +- */
		if (strchr(str, '+') || strchr(str, '-'))
			goto parse;

2415 2416 2417
		if (output_set_by_user())
			pr_warning("Overriding previous field request for all events.\n");

2418
		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2419 2420
			output[j].fields = 0;
			output[j].user_set = true;
2421
			output[j].wildcard_set = true;
2422
		}
2423 2424
	}

2425
parse:
2426
	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442
		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;
		}

2443
		for (i = 0; i < imax; ++i) {
2444
			if (strcmp(tok, all_output_options[i].str) == 0)
2445 2446
				break;
		}
2447
		if (i == imax && strcmp(tok, "flags") == 0) {
2448
			print_flags = change == REMOVE ? false : true;
2449 2450
			continue;
		}
2451
		if (i == imax) {
2452
			fprintf(stderr, "Invalid field requested.\n");
2453
			rc = -EINVAL;
2454
			goto out;
2455 2456
		}

2457 2458 2459 2460
		if (type == -1) {
			/* add user option to all events types for
			 * which it is valid
			 */
2461
			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2462 2463 2464
				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));
2465 2466 2467 2468 2469 2470
				} else {
					if (change == REMOVE)
						output[j].fields &= ~all_output_options[i].field;
					else
						output[j].fields |= all_output_options[i].field;
				}
2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481
			}
		} 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;
		}
2482 2483
	}

2484 2485 2486 2487 2488 2489
	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));
		}
	}
2490
	goto out;
2491

2492 2493 2494
out_badmix:
	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
	rc = -EINVAL;
2495
out:
2496 2497 2498 2499
	free(str);
	return rc;
}

2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512
#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)))
2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524


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

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

2525
static LIST_HEAD(script_descs);
2526 2527 2528 2529 2530

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

2531
	if (s != NULL && name)
2532 2533 2534 2535 2536 2537 2538
		s->name = strdup(name);

	return s;
}

static void script_desc__delete(struct script_desc *s)
{
2539 2540 2541
	zfree(&s->name);
	zfree(&s->half_liner);
	zfree(&s->args);
2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568
	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)
2569
		return NULL;
2570 2571 2572 2573 2574 2575

	script_desc__add(s);

	return s;
}

2576
static const char *ends_with(const char *str, const char *suffix)
2577 2578
{
	size_t suffix_len = strlen(suffix);
2579
	const char *p = str;
2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630

	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;
}

2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648
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;
}

2649 2650 2651
static int list_available_scripts(const struct option *opt __maybe_unused,
				  const char *s __maybe_unused,
				  int unset __maybe_unused)
2652
{
2653
	struct dirent *script_dirent, *lang_dirent;
2654 2655 2656 2657 2658 2659 2660 2661
	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;

2662
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2663 2664

	scripts_dir = opendir(scripts_path);
2665 2666 2667 2668 2669 2670 2671
	if (!scripts_dir) {
		fprintf(stdout,
			"open(%s) failed.\n"
			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
			scripts_path);
		exit(-1);
	}
2672

2673
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2674 2675
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2676 2677 2678 2679
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2680 2681
		for_each_script(lang_path, lang_dir, script_dirent) {
			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2682
			if (script_root) {
2683
				desc = script_desc__findnew(script_root);
2684 2685
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2686
				read_script_info(desc, script_path);
2687
				free(script_root);
2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702
			}
		}
	}

	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);
}

2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720
/*
 * 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;

2721
	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743 2744 2745

	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;
2746
			evlist__for_each_entry(session->evlist, pos) {
2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763
				if (!strcmp(perf_evsel__name(pos), evname)) {
					match = 1;
					break;
				}
			}

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

	fclose(fp);
	return 0;
}

2764 2765 2766 2767 2768 2769 2770 2771 2772
/*
 * 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)
{
2773
	struct dirent *script_dirent, *lang_dirent;
2774
	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2775
	DIR *scripts_dir, *lang_dir;
2776
	struct perf_session *session;
2777
	struct perf_data data = {
J
Jiri Olsa 已提交
2778 2779 2780 2781
		.file      = {
			.path = input_name,
		},
		.mode      = PERF_DATA_MODE_READ,
2782
	};
2783 2784 2785
	char *temp;
	int i = 0;

2786
	session = perf_session__new(&data, false, NULL);
2787 2788 2789
	if (!session)
		return -1;

2790
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2791 2792

	scripts_dir = opendir(scripts_path);
2793 2794
	if (!scripts_dir) {
		perf_session__delete(session);
2795
		return -1;
2796
	}
2797

2798
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2799 2800
		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
			  lang_dirent->d_name);
2801
#ifndef HAVE_LIBPERL_SUPPORT
2802 2803 2804
		if (strstr(lang_path, "perl"))
			continue;
#endif
2805
#ifndef HAVE_LIBPYTHON_SUPPORT
2806 2807 2808 2809 2810 2811 2812 2813
		if (strstr(lang_path, "python"))
			continue;
#endif

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

2814
		for_each_script(lang_path, lang_dir, script_dirent) {
2815
			/* Skip those real time scripts: xxxtop.p[yl] */
2816
			if (strstr(script_dirent->d_name, "top."))
2817 2818
				continue;
			sprintf(scripts_path_array[i], "%s/%s", lang_path,
2819 2820
				script_dirent->d_name);
			temp = strchr(script_dirent->d_name, '.');
2821
			snprintf(scripts_array[i],
2822 2823
				(temp - script_dirent->d_name) + 1,
				"%s", script_dirent->d_name);
2824 2825 2826 2827 2828

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

2829 2830
			i++;
		}
2831
		closedir(lang_dir);
2832 2833
	}

2834 2835
	closedir(scripts_dir);
	perf_session__delete(session);
2836 2837 2838
	return i;
}

2839 2840
static char *get_script_path(const char *script_root, const char *suffix)
{
2841
	struct dirent *script_dirent, *lang_dirent;
2842 2843 2844 2845
	char scripts_path[MAXPATHLEN];
	char script_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char lang_path[MAXPATHLEN];
2846
	char *__script_root;
2847

2848
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2849 2850 2851 2852 2853

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

2854
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2855 2856
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2857 2858 2859 2860
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2861 2862
		for_each_script(lang_path, lang_dir, script_dirent) {
			__script_root = get_script_root(script_dirent, suffix);
2863 2864
			if (__script_root && !strcmp(script_root, __script_root)) {
				free(__script_root);
2865 2866
				closedir(lang_dir);
				closedir(scripts_dir);
2867 2868
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2869
				return strdup(script_path);
2870 2871 2872
			}
			free(__script_root);
		}
2873
		closedir(lang_dir);
2874
	}
2875
	closedir(scripts_dir);
2876

2877
	return NULL;
2878 2879
}

2880 2881
static bool is_top_script(const char *script_path)
{
2882
	return ends_with(script_path, "top") == NULL ? false : true;
2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907
}

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;
}

2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920
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
2921

2922 2923 2924 2925 2926
	system_wide = (argc == 0);

	return 0;
}

2927 2928 2929 2930 2931 2932 2933
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) &&
2934
		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2935
			callchain_param.record_mode = CALLCHAIN_DWARF;
2936 2937
			dwarf_callchain_users = true;
		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2938 2939 2940 2941 2942 2943
			callchain_param.record_mode = CALLCHAIN_LBR;
		else
			callchain_param.record_mode = CALLCHAIN_FP;
	}
}

2944 2945 2946 2947 2948 2949 2950
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;

2951
	evlist__for_each_entry(session->evlist, counter) {
2952 2953 2954 2955 2956 2957 2958 2959
		perf_stat_process_counter(&stat_config, counter);
		process_stat(counter, round->time);
	}

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

2960 2961 2962 2963 2964 2965 2966 2967
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;
}

2968 2969 2970 2971 2972 2973 2974 2975 2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024
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);
}

3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043
#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

3044
int cmd_script(int argc, const char **argv)
3045 3046
{
	bool show_full_info = false;
3047 3048
	bool header = false;
	bool header_only = false;
3049
	bool script_started = false;
3050 3051 3052
	char *rec_script_path = NULL;
	char *rep_script_path = NULL;
	struct perf_session *session;
3053
	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3054 3055
	char *script_path = NULL;
	const char **__argv;
3056
	int i, j, err = 0;
3057 3058 3059 3060 3061 3062
	struct perf_script script = {
		.tool = {
			.sample		 = process_sample_event,
			.mmap		 = perf_event__process_mmap,
			.mmap2		 = perf_event__process_mmap2,
			.comm		 = perf_event__process_comm,
3063
			.namespaces	 = perf_event__process_namespaces,
3064 3065
			.exit		 = perf_event__process_exit,
			.fork		 = perf_event__process_fork,
3066
			.attr		 = process_attr,
3067
			.event_update   = perf_event__process_event_update,
3068
			.tracing_data	 = perf_event__process_tracing_data,
3069
			.feature	 = perf_event__process_feature,
3070
			.build_id	 = perf_event__process_build_id,
3071
			.id_index	 = perf_event__process_id_index,
3072
			.auxtrace_info	 = perf_script__process_auxtrace_info,
3073 3074
			.auxtrace	 = perf_event__process_auxtrace,
			.auxtrace_error	 = perf_event__process_auxtrace_error,
3075 3076
			.stat		 = perf_event__process_stat_event,
			.stat_round	 = process_stat_round_event,
3077
			.stat_config	 = process_stat_config_event,
3078 3079
			.thread_map	 = process_thread_map_event,
			.cpu_map	 = process_cpu_map_event,
3080
			.ordered_events	 = true,
3081 3082 3083
			.ordering_requires_timestamps = true,
		},
	};
3084
	struct perf_data data = {
3085 3086
		.mode = PERF_DATA_MODE_READ,
	};
3087
	const struct option options[] = {
F
Frederic Weisbecker 已提交
3088 3089
	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
		    "dump raw trace in ASCII"),
3090
	OPT_INCR('v', "verbose", &verbose,
3091
		 "be more verbose (show symbol address, etc)"),
3092
	OPT_BOOLEAN('L', "Latency", &latency_format,
3093
		    "show latency attributes (irqs/preemption disabled, etc)"),
3094 3095
	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
			   list_available_scripts),
T
Tom Zanussi 已提交
3096 3097 3098 3099
	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",
3100
		   "generate perf-script.xx script in specified language"),
3101
	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3102 3103
	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
		   "do various checks like samples ordering and lost events"),
3104 3105
	OPT_BOOLEAN(0, "header", &header, "Show data header."),
	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3106 3107 3108 3109 3110 3111
	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"),
3112 3113 3114
	OPT_CALLBACK(0, "symfs", NULL, "directory",
		     "Look for files with symbols relative to this directory",
		     symbol__config_symfs),
3115
	OPT_CALLBACK('F', "fields", NULL, "str",
3116
		     "comma separated output fields prepend with 'type:'. "
3117
		     "+field to add and -field to remove."
3118
		     "Valid types: hw,sw,trace,raw,synth. "
3119
		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
A
Andi Kleen 已提交
3120
		     "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3121
		     "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3122
		     parse_output_fields),
3123
	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3124
		    "system-wide collection from all CPUs"),
3125 3126
	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
		   "only consider these symbols"),
3127 3128
	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
		   "Stop display of callgraph at these symbols"),
3129
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3130 3131
	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
		   "only display events for these comms"),
3132 3133 3134 3135
	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"),
3136 3137 3138
	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. "
3139
		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3140 3141
	OPT_BOOLEAN('I', "show-info", &show_full_info,
		    "display extended information from perf.data file"),
3142 3143
	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
		    "Show the path of [kernel.kallsyms]"),
3144 3145
	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
		    "Show the fork/comm/exit events"),
3146 3147
	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
		    "Show the mmap events"),
3148 3149
	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
		    "Show context switch events (if recorded)"),
3150 3151
	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
		    "Show namespace events (if recorded)"),
3152 3153
	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
		    "Show lost events (if recorded)"),
3154 3155
	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
		    "Show round events (if recorded)"),
3156 3157
	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
		    "Dump trace output to files named by the monitored events"),
3158
	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3159 3160
	OPT_INTEGER(0, "max-blocks", &max_blocks,
		    "Maximum number of code blocks to dump with brstackinsn"),
3161 3162
	OPT_BOOLEAN(0, "ns", &nanosecs,
		    "Use 9 decimal places when displaying time"),
3163 3164 3165
	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
			    "Instruction Tracing options",
			    itrace_parse_synth_opts),
3166 3167
	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
			"Show full source file name path for source lines"),
3168 3169 3170 3171
	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
			"Enable symbol demangling"),
	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
			"Enable kernel symbol demangling"),
3172 3173
	OPT_STRING(0, "time", &script.time_str, "str",
		   "Time span of interest (start,stop)"),
3174 3175
	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
		    "Show inline function"),
3176
	OPT_END()
3177
	};
3178 3179
	const char * const script_subcommands[] = { "record", "report", NULL };
	const char *script_usage[] = {
3180 3181 3182 3183 3184 3185 3186
		"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
	};
3187

3188 3189
	perf_set_singlethreaded();

3190 3191
	setup_scripting();

3192
	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3193 3194
			     PARSE_OPT_STOP_AT_NON_OPTION);

J
Jiri Olsa 已提交
3195 3196
	data.file.path = input_name;
	data.force     = symbol_conf.force;
3197

3198 3199 3200
	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
		if (!rec_script_path)
3201
			return cmd_record(argc, argv);
3202 3203
	}

3204 3205 3206
	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
		if (!rep_script_path) {
3207
			fprintf(stderr,
3208
				"Please specify a valid report script"
3209
				"(see 'perf script -l' for listing)\n");
3210 3211 3212 3213
			return -1;
		}
	}

3214 3215 3216 3217
	if (itrace_synth_opts.callchain &&
	    itrace_synth_opts.callchain_sz > scripting_max_stack)
		scripting_max_stack = itrace_synth_opts.callchain_sz;

3218
	/* make sure PERF_EXEC_PATH is set for scripts */
3219
	set_argv_exec_path(get_argv_exec_path());
3220

3221
	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3222
		int live_pipe[2];
3223
		int rep_args;
3224 3225
		pid_t pid;

3226 3227 3228 3229
		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) {
3230 3231
			usage_with_options_msg(script_usage, options,
				"Couldn't find script `%s'\n\n See perf"
3232
				" script -l for available scripts.\n", argv[0]);
3233 3234
		}

3235 3236 3237 3238 3239 3240 3241 3242
		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) {
3243 3244
				usage_with_options_msg(script_usage, options,
					"`%s' script requires options."
3245
					"\n\n See perf script -l for available "
3246 3247
					"scripts and options.\n", argv[0]);
			}
3248 3249 3250 3251
		}

		if (pipe(live_pipe) < 0) {
			perror("failed to create pipe");
3252
			return -1;
3253 3254 3255 3256 3257
		}

		pid = fork();
		if (pid < 0) {
			perror("failed to fork");
3258
			return -1;
3259 3260 3261
		}

		if (!pid) {
3262 3263
			j = 0;

3264 3265 3266
			dup2(live_pipe[1], 1);
			close(live_pipe[0]);

3267 3268 3269
			if (is_top_script(argv[0])) {
				system_wide = true;
			} else if (!system_wide) {
3270 3271 3272 3273
				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
					err = -1;
					goto out;
				}
3274
			}
3275 3276

			__argv = malloc((argc + 6) * sizeof(const char *));
3277 3278 3279 3280 3281
			if (!__argv) {
				pr_err("malloc failed\n");
				err = -ENOMEM;
				goto out;
			}
3282

3283 3284 3285 3286 3287 3288 3289 3290 3291 3292
			__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;
3293 3294

			execvp("/bin/sh", (char **)__argv);
3295
			free(__argv);
3296 3297 3298 3299 3300 3301
			exit(-1);
		}

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

3302
		__argv = malloc((argc + 4) * sizeof(const char *));
3303 3304 3305 3306 3307 3308
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3309 3310 3311 3312 3313 3314 3315 3316
		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;
3317 3318

		execvp("/bin/sh", (char **)__argv);
3319
		free(__argv);
3320 3321 3322
		exit(-1);
	}

3323 3324 3325 3326
	if (rec_script_path)
		script_path = rec_script_path;
	if (rep_script_path)
		script_path = rep_script_path;
3327

3328 3329
	if (script_path) {
		j = 0;
3330

3331 3332
		if (!rec_script_path)
			system_wide = false;
3333 3334 3335 3336 3337 3338
		else if (!system_wide) {
			if (have_cmd(argc - 1, &argv[1]) != 0) {
				err = -1;
				goto out;
			}
		}
3339

3340
		__argv = malloc((argc + 2) * sizeof(const char *));
3341 3342 3343 3344 3345 3346
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3347 3348 3349 3350
		__argv[j++] = "/bin/sh";
		__argv[j++] = script_path;
		if (system_wide)
			__argv[j++] = "-a";
3351
		for (i = 2; i < argc; i++)
3352 3353
			__argv[j++] = argv[i];
		__argv[j++] = NULL;
3354 3355

		execvp("/bin/sh", (char **)__argv);
3356
		free(__argv);
3357 3358
		exit(-1);
	}
T
Tom Zanussi 已提交
3359

3360 3361
	if (!script_name)
		setup_pager();
F
Frederic Weisbecker 已提交
3362

3363
	session = perf_session__new(&data, false, &script.tool);
3364
	if (session == NULL)
3365
		return -1;
3366

3367
	if (header || header_only) {
3368
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3369 3370
		perf_session__fprintf_info(session, stdout, show_full_info);
		if (header_only)
3371
			goto out_delete;
3372
	}
3373 3374
	if (show_full_info)
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3375

3376
	if (symbol__init(&session->header.env) < 0)
3377 3378
		goto out_delete;

3379
	script.session = session;
3380
	script__setup_sample_type(&script);
3381

3382 3383 3384
	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
		itrace_synth_opts.thread_stack = true;

3385 3386
	session->itrace_synth_opts = &itrace_synth_opts;

3387
	if (cpu_list) {
3388 3389 3390
		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
		if (err < 0)
			goto out_delete;
3391
		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3392 3393
	}

3394
	if (!no_callchain)
3395 3396 3397 3398
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

3399 3400
	if (session->tevent.pevent &&
	    pevent_set_function_resolver(session->tevent.pevent,
3401 3402 3403
					 machine__resolve_kernel_addr,
					 &session->machines.host) < 0) {
		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3404 3405
		err = -1;
		goto out_delete;
3406 3407
	}

T
Tom Zanussi 已提交
3408 3409
	if (generate_script_lang) {
		struct stat perf_stat;
3410 3411
		int input;

3412
		if (output_set_by_user()) {
3413 3414
			fprintf(stderr,
				"custom fields not supported for generated scripts");
3415 3416
			err = -EINVAL;
			goto out_delete;
3417
		}
T
Tom Zanussi 已提交
3418

J
Jiri Olsa 已提交
3419
		input = open(data.file.path, O_RDONLY);	/* input_name */
T
Tom Zanussi 已提交
3420
		if (input < 0) {
3421
			err = -errno;
T
Tom Zanussi 已提交
3422
			perror("failed to open file");
3423
			goto out_delete;
T
Tom Zanussi 已提交
3424 3425 3426 3427 3428
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
3429
			goto out_delete;
T
Tom Zanussi 已提交
3430 3431 3432 3433
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
3434
			goto out_delete;
T
Tom Zanussi 已提交
3435 3436 3437 3438 3439
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
3440 3441
			err = -ENOENT;
			goto out_delete;
T
Tom Zanussi 已提交
3442 3443
		}

J
Jiri Olsa 已提交
3444
		err = scripting_ops->generate_script(session->tevent.pevent,
3445
						     "perf-script");
3446
		goto out_delete;
T
Tom Zanussi 已提交
3447 3448 3449
	}

	if (script_name) {
3450
		err = scripting_ops->start_script(script_name, argc, argv);
T
Tom Zanussi 已提交
3451
		if (err)
3452
			goto out_delete;
3453
		pr_debug("perf script started with script %s\n\n", script_name);
3454
		script_started = true;
T
Tom Zanussi 已提交
3455 3456
	}

3457 3458 3459

	err = perf_session__check_output_opt(session);
	if (err < 0)
3460
		goto out_delete;
3461

3462 3463 3464 3465 3466 3467 3468
	script.ptime_range = perf_time__range_alloc(script.time_str,
						    &script.range_size);
	if (!script.ptime_range) {
		err = -ENOMEM;
		goto out_delete;
	}

3469
	/* needs to be parsed after looking up reference time */
3470 3471 3472
	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) {
3473 3474 3475
			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");
3476 3477 3478 3479 3480
			err = -EINVAL;
			goto out_delete;
		}

		script.range_num = perf_time__percent_parse_str(
3481
					script.ptime_range, script.range_size,
3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492
					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;
3493 3494
	}

3495
	err = __cmd_script(&script);
T
Tom Zanussi 已提交
3496

3497 3498
	flush_scripting();

3499
out_delete:
3500 3501
	zfree(&script.ptime_range);

3502
	perf_evlist__free_stats(session->evlist);
3503
	perf_session__delete(session);
3504 3505 3506

	if (script_started)
		cleanup_scripting();
T
Tom Zanussi 已提交
3507 3508
out:
	return err;
F
Frederic Weisbecker 已提交
3509
}