builtin-script.c 90.4 KB
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// SPDX-License-Identifier: GPL-2.0
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#include "builtin.h"

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

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

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

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enum {
	OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
	OUTPUT_TYPE_MAX
};

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

		.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
			      PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
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			      PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
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			      PERF_OUTPUT_SYM | PERF_OUTPUT_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;

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

816 817
		if (thread__find_map(thread, sample->cpumode, to, &alt) &&
		    !alt.map->dso->adjust_symbols)
818 819
			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
	if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
881
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
882 883 884
		return 0;
	}
	if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
885
		pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
886 887 888 889 890 891 892 893 894 895 896 897
		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)
898
		pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
899 900 901 902
			start, end);
	return len;
}

903 904 905
static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
			    struct perf_insn *x, u8 *inbuf, int len,
			    int insn, FILE *fp)
906
{
907 908 909 910 911 912
	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" : "");
913
	if (en->flags.cycles) {
914
		printed += fprintf(fp, " %d cycles", en->flags.cycles);
915
		if (insn)
916
			printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
917
	}
918
	return printed + fprintf(fp, "\n");
919 920
}

921 922 923
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)
924 925
{
	struct addr_location al;
926
	int off, printed = 0;
927 928 929

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

930 931
	thread__find_map(thread, cpumode, addr, &al);

932
	if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
933
		return 0;
934 935 936 937 938 939 940

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

	if (!al.sym)
941
		return 0;
942 943 944 945 946

	if (al.addr < al.sym->end)
		off = al.addr - al.sym->start;
	else
		off = al.addr - al.map->start - al.sym->start;
947
	printed += fprintf(fp, "\t%s", al.sym->name);
948
	if (off)
949 950
		printed += fprintf(fp, "%+d", off);
	printed += fprintf(fp, ":");
951
	if (PRINT_FIELD(SRCLINE))
952 953
		printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
	printed += fprintf(fp, "\n");
954
	*lastsym = al.sym;
955 956

	return printed;
957 958
}

959 960 961 962
static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
					    struct thread *thread,
					    struct perf_event_attr *attr,
					    struct machine *machine, FILE *fp)
963 964 965
{
	struct branch_stack *br = sample->branch_stack;
	u64 start, end;
966
	int i, insn, len, nr, ilen, printed = 0;
967 968 969 970 971 972
	struct perf_insn x;
	u8 buffer[MAXBB];
	unsigned off;
	struct symbol *lastsym = NULL;

	if (!(br && br->nr))
973
		return 0;
974 975 976 977 978 979 980
	nr = br->nr;
	if (max_blocks && nr > max_blocks + 1)
		nr = max_blocks + 1;

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

981
	printed += fprintf(fp, "%c", '\n');
982 983 984 985 986 987

	/* 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) {
988 989 990 991
		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);
992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016
	}

	/* 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;

1017
			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1018
			if (ip == end) {
1019
				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
1020 1021
				break;
			} else {
1022 1023
				printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
						   dump_insn(&x, ip, buffer + off, len - off, &ilen));
1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035
				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)
1036
		goto out;
1037
	if (br->entries[0].flags.abort)
1038
		goto out;
1039 1040 1041 1042 1043 1044 1045

	/*
	 * 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);
1046
	printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1047 1048 1049 1050 1051
	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)
1052
			goto out;
1053

1054
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1055
			dump_insn(&x, sample->ip, buffer, len, NULL));
1056
		goto out;
1057 1058
	}
	for (off = 0; off <= end - start; off += ilen) {
1059 1060
		printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
				   dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1061 1062 1063
		if (ilen == 0)
			break;
	}
1064 1065
out:
	return printed;
1066
}
1067

1068 1069 1070
static int perf_sample__fprintf_addr(struct perf_sample *sample,
				     struct thread *thread,
				     struct perf_event_attr *attr, FILE *fp)
1071 1072
{
	struct addr_location al;
1073
	int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1074 1075

	if (!sample_addr_correlates_sym(attr))
1076
		goto out;
1077

1078
	thread__resolve(thread, &al, sample);
1079 1080

	if (PRINT_FIELD(SYM)) {
1081
		printed += fprintf(fp, " ");
1082
		if (PRINT_FIELD(SYMOFFSET))
1083
			printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1084
		else
1085
			printed += symbol__fprintf_symname(al.sym, fp);
1086 1087 1088
	}

	if (PRINT_FIELD(DSO)) {
1089 1090 1091
		printed += fprintf(fp, " (");
		printed += map__fprintf_dsoname(al.map, fp);
		printed += fprintf(fp, ")");
1092
	}
1093 1094
out:
	return printed;
1095 1096
}

1097 1098 1099 1100
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
					   struct perf_evsel *evsel,
					   struct thread *thread,
					   struct addr_location *al, FILE *fp)
1101 1102 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
{
	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)
1135
		len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1136
	else if (ip)
1137
		len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1138 1139

	if (len < 0)
1140
		return len;
1141 1142 1143 1144 1145 1146 1147 1148 1149

	/*
	 * 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)
1150 1151 1152
		len += fprintf(fp, "%*s", spacing - len, "");

	return len;
1153 1154
}

1155 1156 1157 1158
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
1159
{
1160 1161
	int printed = 0;

A
Andi Kleen 已提交
1162
	if (PRINT_FIELD(INSNLEN))
1163
		printed += fprintf(fp, " ilen: %d", sample->insn_len);
A
Andi Kleen 已提交
1164 1165 1166
	if (PRINT_FIELD(INSN)) {
		int i;

1167
		printed += fprintf(fp, " insn:");
A
Andi Kleen 已提交
1168
		for (i = 0; i < sample->insn_len; i++)
1169
			printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
A
Andi Kleen 已提交
1170
	}
1171
	if (PRINT_FIELD(BRSTACKINSN))
1172 1173 1174
		printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);

	return printed;
A
Andi Kleen 已提交
1175 1176
}

1177 1178 1179 1180 1181
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)
1182 1183
{
	struct perf_event_attr *attr = &evsel->attr;
1184
	unsigned int type = output_type(attr->type);
1185
	bool print_srcline_last = false;
1186
	int printed = 0;
1187

1188
	if (PRINT_FIELD(CALLINDENT))
1189
		printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1190

1191 1192
	/* print branch_from information */
	if (PRINT_FIELD(IP)) {
1193
		unsigned int print_opts = output[type].print_ip_opts;
1194
		struct callchain_cursor *cursor = NULL;
1195

1196
		if (symbol_conf.use_callchain && sample->callchain &&
1197
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1198
					      sample, NULL, NULL, scripting_max_stack) == 0)
1199
			cursor = &callchain_cursor;
1200 1201

		if (cursor == NULL) {
1202
			printed += fprintf(fp, " ");
1203
			if (print_opts & EVSEL__PRINT_SRCLINE) {
1204
				print_srcline_last = true;
1205
				print_opts &= ~EVSEL__PRINT_SRCLINE;
1206
			}
1207
		} else
1208
			printed += fprintf(fp, "\n");
1209

1210
		printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1211 1212 1213
	}

	/* print branch_to information */
1214 1215
	if (PRINT_FIELD(ADDR) ||
	    ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1216
	     !output[type].user_set)) {
1217 1218
		printed += fprintf(fp, " => ");
		printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1219
	}
1220

1221
	if (print_srcline_last)
1222
		printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
A
Andi Kleen 已提交
1223

1224 1225
	printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
	return printed + fprintf(fp, "\n");
1226 1227
}

1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247
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}
};

1248
static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1249 1250 1251
{
	const char *chars = PERF_IP_FLAG_CHARS;
	const int n = strlen(PERF_IP_FLAG_CHARS);
1252 1253
	bool in_tx = flags & PERF_IP_FLAG_IN_TX;
	const char *name = NULL;
1254 1255 1256
	char str[33];
	int i, pos = 0;

1257 1258 1259 1260 1261 1262 1263
	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;
		}
	}

1264 1265 1266 1267 1268 1269 1270 1271 1272
	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;
1273 1274

	if (name)
1275 1276 1277
		return fprintf(fp, "  %-7s%4s ", name, in_tx ? "(x)" : "");

	return fprintf(fp, "  %-11s ", str);
1278 1279
}

1280 1281 1282 1283 1284 1285
struct printer_data {
	int line_no;
	bool hit_nul;
	bool is_printable;
};

1286 1287 1288
static int sample__fprintf_bpf_output(enum binary_printer_ops op,
				      unsigned int val,
				      void *extra, FILE *fp)
1289 1290 1291
{
	unsigned char ch = (unsigned char)val;
	struct printer_data *printer_data = extra;
1292
	int printed = 0;
1293 1294 1295

	switch (op) {
	case BINARY_PRINT_DATA_BEGIN:
1296
		printed += fprintf(fp, "\n");
1297 1298
		break;
	case BINARY_PRINT_LINE_BEGIN:
1299
		printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1300 1301 1302
						        "           ");
		break;
	case BINARY_PRINT_ADDR:
1303
		printed += fprintf(fp, " %04x:", val);
1304 1305
		break;
	case BINARY_PRINT_NUM_DATA:
1306
		printed += fprintf(fp, " %02x", val);
1307 1308
		break;
	case BINARY_PRINT_NUM_PAD:
1309
		printed += fprintf(fp, "   ");
1310 1311
		break;
	case BINARY_PRINT_SEP:
1312
		printed += fprintf(fp, "  ");
1313 1314 1315 1316 1317 1318
		break;
	case BINARY_PRINT_CHAR_DATA:
		if (printer_data->hit_nul && ch)
			printer_data->is_printable = false;

		if (!isprint(ch)) {
1319
			printed += fprintf(fp, "%c", '.');
1320 1321 1322 1323 1324 1325 1326 1327 1328

			if (!printer_data->is_printable)
				break;

			if (ch == '\0')
				printer_data->hit_nul = true;
			else
				printer_data->is_printable = false;
		} else {
1329
			printed += fprintf(fp, "%c", ch);
1330 1331 1332
		}
		break;
	case BINARY_PRINT_CHAR_PAD:
1333
		printed += fprintf(fp, " ");
1334 1335
		break;
	case BINARY_PRINT_LINE_END:
1336
		printed += fprintf(fp, "\n");
1337 1338 1339 1340 1341 1342
		printer_data->line_no++;
		break;
	case BINARY_PRINT_DATA_END:
	default:
		break;
	}
1343 1344

	return printed;
1345 1346
}

1347
static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1348 1349 1350
{
	unsigned int nr_bytes = sample->raw_size;
	struct printer_data printer_data = {0, false, true};
1351 1352
	int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
				      sample__fprintf_bpf_output, &printer_data, fp);
1353 1354

	if (printer_data.is_printable && printer_data.hit_nul)
1355 1356 1357
		printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));

	return printed;
1358 1359
}

1360
static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1361 1362
{
	if (len > 0 && len < spacing)
1363 1364 1365
		return fprintf(fp, "%*s", spacing - len, "");

	return 0;
1366 1367
}

1368
static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1369
{
1370
	return perf_sample__fprintf_spacing(len, 34, fp);
1371 1372
}

1373
static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1374 1375 1376 1377 1378
{
	struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1379
		return 0;
1380

1381
	len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1382
		     data->ip, le64_to_cpu(data->payload));
1383
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1384 1385
}

1386
static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1387 1388 1389 1390 1391
{
	struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1392
		return 0;
1393

1394 1395 1396
	len = fprintf(fp, " hints: %#x extensions: %#x ",
		      data->hints, data->extensions);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1397 1398
}

1399
static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1400 1401 1402 1403 1404
{
	struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1405
		return 0;
1406

1407 1408 1409
	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);
1410 1411
}

1412
static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1413 1414 1415 1416 1417
{
	struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1418
		return 0;
1419

1420 1421
	len = fprintf(fp, " IP: %u ", data->ip);
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1422 1423
}

1424
static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1425 1426 1427 1428 1429
{
	struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
	int len;

	if (perf_sample__bad_synth_size(sample, *data))
1430
		return 0;
1431

1432
	len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1433 1434
		     data->deepest_cstate, data->last_cstate,
		     data->wake_reason);
1435
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1436 1437
}

1438
static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1439 1440 1441 1442 1443 1444
{
	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))
1445
		return 0;
1446 1447

	freq = (le32_to_cpu(data->freq) + 500) / 1000;
1448
	len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1449 1450
	if (data->max_nonturbo) {
		percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1451
		len += fprintf(fp, "(%3u%%) ", percent);
1452
	}
1453
	return len + perf_sample__fprintf_pt_spacing(len, fp);
1454 1455
}

1456 1457
static int perf_sample__fprintf_synth(struct perf_sample *sample,
				      struct perf_evsel *evsel, FILE *fp)
1458 1459
{
	switch (evsel->attr.config) {
1460
	case PERF_SYNTH_INTEL_PTWRITE:
1461
		return perf_sample__fprintf_synth_ptwrite(sample, fp);
1462
	case PERF_SYNTH_INTEL_MWAIT:
1463
		return perf_sample__fprintf_synth_mwait(sample, fp);
1464
	case PERF_SYNTH_INTEL_PWRE:
1465
		return perf_sample__fprintf_synth_pwre(sample, fp);
1466
	case PERF_SYNTH_INTEL_EXSTOP:
1467
		return perf_sample__fprintf_synth_exstop(sample, fp);
1468
	case PERF_SYNTH_INTEL_PWRX:
1469
		return perf_sample__fprintf_synth_pwrx(sample, fp);
1470
	case PERF_SYNTH_INTEL_CBR:
1471
		return perf_sample__fprintf_synth_cbr(sample, fp);
1472 1473 1474
	default:
		break;
	}
1475 1476

	return 0;
1477 1478
}

1479 1480 1481 1482 1483 1484
struct perf_script {
	struct perf_tool	tool;
	struct perf_session	*session;
	bool			show_task_events;
	bool			show_mmap_events;
	bool			show_switch_events;
1485
	bool			show_namespace_events;
1486
	bool			show_lost_events;
1487
	bool			show_round_events;
1488
	bool			allocated;
1489
	bool			per_event_dump;
1490 1491
	struct cpu_map		*cpus;
	struct thread_map	*threads;
1492
	int			name_width;
1493
	const char              *time_str;
1494 1495
	struct perf_time_interval *ptime_range;
	int			range_size;
1496
	int			range_num;
1497 1498
};

1499 1500 1501 1502 1503
static int perf_evlist__max_name_len(struct perf_evlist *evlist)
{
	struct perf_evsel *evsel;
	int max = 0;

1504
	evlist__for_each_entry(evlist, evsel) {
1505 1506 1507 1508 1509 1510 1511 1512
		int len = strlen(perf_evsel__name(evsel));

		max = MAX(len, max);
	}

	return max;
}

1513
static int data_src__fprintf(u64 data_src, FILE *fp)
J
Jiri Olsa 已提交
1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526
{
	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;

1527
	return fprintf(fp, "%-*s", maxlen, out);
J
Jiri Olsa 已提交
1528 1529
}

1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545
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,
1546
				   PERF_RECORD_SAMPLE, mctx->fp);
1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559
	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,
1560
				   PERF_RECORD_SAMPLE, mctx->fp);
1561 1562 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
	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,
1596 1597
				       sample->cpu,
				       &rt_stat);
1598 1599 1600 1601 1602 1603 1604
	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
1605 1606
						      NULL,
						      &rt_stat);
1607 1608 1609 1610 1611
		}
		evsel_script(evsel->leader)->gnum = 0;
	}
}

1612
static void process_event(struct perf_script *script,
1613
			  struct perf_sample *sample, struct perf_evsel *evsel,
1614 1615
			  struct addr_location *al,
			  struct machine *machine)
1616
{
1617
	struct thread *thread = al->thread;
1618
	struct perf_event_attr *attr = &evsel->attr;
1619
	unsigned int type = output_type(attr->type);
1620 1621
	struct perf_evsel_script *es = evsel->priv;
	FILE *fp = es->fp;
1622

1623
	if (output[type].fields == 0)
1624 1625
		return;

1626 1627
	++es->samples;

1628 1629
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SAMPLE, fp);
1630

J
Jiri Olsa 已提交
1631
	if (PRINT_FIELD(PERIOD))
1632
		fprintf(fp, "%10" PRIu64 " ", sample->period);
J
Jiri Olsa 已提交
1633

1634 1635
	if (PRINT_FIELD(EVNAME)) {
		const char *evname = perf_evsel__name(evsel);
1636 1637 1638 1639

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

1640
		fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1641 1642
	}

1643
	if (print_flags)
1644
		perf_sample__fprintf_flags(sample->flags, fp);
1645

1646
	if (is_bts_event(attr)) {
1647
		perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1648 1649 1650
		return;
	}

1651 1652 1653 1654
	if (PRINT_FIELD(TRACE)) {
		event_format__fprintf(evsel->tp_format, sample->cpu,
				      sample->raw_data, sample->raw_size, fp);
	}
1655 1656

	if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1657
		perf_sample__fprintf_synth(sample, evsel, fp);
1658

1659
	if (PRINT_FIELD(ADDR))
1660
		perf_sample__fprintf_addr(sample, thread, attr, fp);
1661

1662
	if (PRINT_FIELD(DATA_SRC))
1663
		data_src__fprintf(sample->data_src, fp);
1664 1665

	if (PRINT_FIELD(WEIGHT))
1666
		fprintf(fp, "%16" PRIu64, sample->weight);
1667

1668
	if (PRINT_FIELD(IP)) {
1669
		struct callchain_cursor *cursor = NULL;
1670

1671
		if (symbol_conf.use_callchain && sample->callchain &&
1672
		    thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1673
					      sample, NULL, NULL, scripting_max_stack) == 0)
1674
			cursor = &callchain_cursor;
1675

1676 1677
		fputc(cursor ? '\n' : ' ', fp);
		sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1678 1679
	}

1680
	if (PRINT_FIELD(IREGS))
1681
		perf_sample__fprintf_iregs(sample, attr, fp);
1682

A
Andi Kleen 已提交
1683
	if (PRINT_FIELD(UREGS))
1684
		perf_sample__fprintf_uregs(sample, attr, fp);
A
Andi Kleen 已提交
1685

1686
	if (PRINT_FIELD(BRSTACK))
1687
		perf_sample__fprintf_brstack(sample, thread, attr, fp);
1688
	else if (PRINT_FIELD(BRSTACKSYM))
1689
		perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1690
	else if (PRINT_FIELD(BRSTACKOFF))
1691
		perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1692

1693
	if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1694 1695
		perf_sample__fprintf_bpf_output(sample, fp);
	perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1696 1697

	if (PRINT_FIELD(PHYS_ADDR))
1698 1699
		fprintf(fp, "%16" PRIx64, sample->phys_addr);
	fprintf(fp, "\n");
1700 1701 1702

	if (PRINT_FIELD(METRIC))
		perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1703 1704
}

T
Tom Zanussi 已提交
1705 1706
static struct scripting_ops	*scripting_ops;

1707 1708 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
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));
		}
	}
}

1741 1742 1743 1744
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);
1745 1746
	else
		__process_stat(counter, tstamp);
1747 1748 1749 1750 1751 1752 1753 1754
}

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
1755 1756
static void setup_scripting(void)
{
1757
	setup_perl_scripting();
1758
	setup_python_scripting();
T
Tom Zanussi 已提交
1759 1760
}

1761 1762
static int flush_scripting(void)
{
1763
	return scripting_ops ? scripting_ops->flush_script() : 0;
1764 1765
}

T
Tom Zanussi 已提交
1766 1767
static int cleanup_scripting(void)
{
1768
	pr_debug("\nperf script stopped\n");
1769

1770
	return scripting_ops ? scripting_ops->stop_script() : 0;
T
Tom Zanussi 已提交
1771 1772
}

1773
static int process_sample_event(struct perf_tool *tool,
1774
				union perf_event *event,
1775
				struct perf_sample *sample,
1776
				struct perf_evsel *evsel,
1777
				struct machine *machine)
F
Frederic Weisbecker 已提交
1778
{
1779
	struct perf_script *scr = container_of(tool, struct perf_script, tool);
1780
	struct addr_location al;
F
Frederic Weisbecker 已提交
1781

1782 1783
	if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
					  sample->time)) {
1784
		return 0;
1785
	}
1786

1787 1788 1789 1790 1791 1792
	if (debug_mode) {
		if (sample->time < last_timestamp) {
			pr_err("Samples misordered, previous: %" PRIu64
				" this: %" PRIu64 "\n", last_timestamp,
				sample->time);
			nr_unordered++;
1793
		}
1794 1795
		last_timestamp = sample->time;
		return 0;
F
Frederic Weisbecker 已提交
1796
	}
1797

1798
	if (machine__resolve(machine, &al, sample) < 0) {
1799 1800 1801 1802 1803 1804
		pr_err("problem processing %d event, skipping it.\n",
		       event->header.type);
		return -1;
	}

	if (al.filtered)
1805
		goto out_put;
1806

1807
	if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1808
		goto out_put;
1809

1810 1811 1812
	if (scripting_ops)
		scripting_ops->process_event(event, sample, evsel, &al);
	else
1813
		process_event(scr, sample, evsel, &al, machine);
1814

1815 1816
out_put:
	addr_location__put(&al);
F
Frederic Weisbecker 已提交
1817 1818 1819
	return 0;
}

1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834
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);

1835 1836
	if (evsel->attr.type >= PERF_TYPE_MAX &&
	    evsel->attr.type != PERF_TYPE_SYNTH)
1837 1838
		return 0;

1839
	evlist__for_each_entry(evlist, pos) {
1840 1841 1842 1843 1844 1845
		if (pos->attr.type == evsel->attr.type && pos != evsel)
			return 0;
	}

	set_print_ip_opts(&evsel->attr);

1846 1847 1848 1849
	if (evsel->attr.sample_type)
		err = perf_evsel__check_attr(evsel, scr->session);

	return err;
1850 1851
}

1852 1853 1854 1855 1856 1857 1858 1859
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;
1860
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877
	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;
	}
1878 1879
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_COMM, stdout);
1880 1881 1882
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
1883
	thread__put(thread);
1884 1885 1886
	return ret;
}

1887 1888 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
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;
	}
1914 1915
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_NAMESPACES, stdout);
1916 1917 1918 1919 1920 1921 1922
	perf_event__fprintf(event, stdout);
	ret = 0;
out:
	thread__put(thread);
	return ret;
}

1923 1924 1925 1926 1927 1928 1929 1930
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;
1931
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947

	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;
	}
1948 1949
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_FORK, stdout);
1950
	perf_event__fprintf(event, stdout);
1951
	thread__put(thread);
1952 1953 1954 1955 1956 1957 1958 1959

	return 0;
}
static int process_exit_event(struct perf_tool *tool,
			      union perf_event *event,
			      struct perf_sample *sample,
			      struct machine *machine)
{
1960
	int err = 0;
1961 1962 1963
	struct thread *thread;
	struct perf_script *script = container_of(tool, struct perf_script, tool);
	struct perf_session *session = script->session;
1964
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1965 1966 1967 1968 1969 1970 1971 1972 1973 1974

	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;
1975 1976
		sample->tid = event->fork.tid;
		sample->pid = event->fork.pid;
1977
	}
1978 1979
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_EXIT, stdout);
1980 1981 1982
	perf_event__fprintf(event, stdout);

	if (perf_event__process_exit(tool, event, sample, machine) < 0)
1983
		err = -1;
1984

1985 1986
	thread__put(thread);
	return err;
1987 1988
}

1989 1990 1991 1992 1993 1994 1995 1996
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;
1997
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013

	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;
	}
2014 2015
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP, stdout);
2016
	perf_event__fprintf(event, stdout);
2017
	thread__put(thread);
2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028
	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;
2029
	struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045

	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;
	}
2046 2047
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_MMAP2, stdout);
2048
	perf_event__fprintf(event, stdout);
2049
	thread__put(thread);
2050 2051 2052
	return 0;
}

2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072
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;
	}

2073 2074
	perf_sample__fprintf_start(sample, thread, evsel,
				   PERF_RECORD_SWITCH, stdout);
2075 2076 2077 2078 2079
	perf_event__fprintf(event, stdout);
	thread__put(thread);
	return 0;
}

2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102
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;
}

2103 2104 2105 2106 2107 2108 2109 2110 2111 2112
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;
}

2113
static void sig_handler(int sig __maybe_unused)
2114 2115 2116 2117
{
	session_done = 1;
}

2118 2119 2120 2121 2122 2123 2124 2125
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;
2126
		perf_evsel_script__delete(evsel->priv);
2127 2128 2129 2130 2131 2132 2133 2134 2135
		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) {
2136 2137 2138 2139 2140 2141 2142 2143 2144 2145
		/*
		 * 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;

2146
		evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160
		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;
2161
	static struct perf_evsel_script es_stdout;
2162 2163 2164 2165

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

2166 2167
	es_stdout.fp = stdout;

2168
	evlist__for_each_entry(script->session->evlist, evsel)
2169
		evsel->priv = &es_stdout;
2170 2171 2172 2173

	return 0;
}

2174 2175 2176 2177 2178 2179 2180 2181 2182 2183 2184 2185 2186
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;
	}
}

2187
static int __cmd_script(struct perf_script *script)
F
Frederic Weisbecker 已提交
2188
{
2189 2190
	int ret;

2191 2192
	signal(SIGINT, sig_handler);

2193 2194 2195 2196 2197 2198
	/* 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;
	}
2199 2200 2201 2202
	if (script->show_mmap_events) {
		script->tool.mmap = process_mmap_event;
		script->tool.mmap2 = process_mmap2_event;
	}
2203 2204
	if (script->show_switch_events)
		script->tool.context_switch = process_switch_event;
2205 2206
	if (script->show_namespace_events)
		script->tool.namespaces = process_namespaces_event;
2207 2208
	if (script->show_lost_events)
		script->tool.lost = process_lost_event;
2209 2210 2211 2212
	if (script->show_round_events) {
		script->tool.ordered_events = false;
		script->tool.finished_round = process_finished_round_event;
	}
2213

2214 2215 2216 2217 2218
	if (perf_script__setup_per_event_dump(script)) {
		pr_err("Couldn't create the per event dump files\n");
		return -1;
	}

2219
	ret = perf_session__process_events(script->session);
2220

2221
	if (script->per_event_dump)
2222
		perf_script__exit_per_event_dump_stats(script);
2223

2224
	if (debug_mode)
2225
		pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2226 2227

	return ret;
F
Frederic Weisbecker 已提交
2228 2229
}

T
Tom Zanussi 已提交
2230 2231 2232 2233 2234 2235
struct script_spec {
	struct list_head	node;
	struct scripting_ops	*ops;
	char			spec[0];
};

2236
static LIST_HEAD(script_specs);
T
Tom Zanussi 已提交
2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273

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;

2274
	s = script_spec__new(spec, ops);
T
Tom Zanussi 已提交
2275 2276
	if (!s)
		return -1;
2277 2278
	else
		script_spec__add(s);
T
Tom Zanussi 已提交
2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297

	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 "
2298
		"perf script -s [spec:]script.[spec]):\n\n");
T
Tom Zanussi 已提交
2299 2300 2301 2302 2303 2304 2305

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

	fprintf(stderr, "\n");
}

2306 2307
static int parse_scriptname(const struct option *opt __maybe_unused,
			    const char *str, int unset __maybe_unused)
T
Tom Zanussi 已提交
2308 2309 2310 2311 2312
{
	char spec[PATH_MAX];
	const char *script, *ext;
	int len;

2313
	if (strcmp(str, "lang") == 0) {
T
Tom Zanussi 已提交
2314
		list_available_languages();
2315
		exit(0);
T
Tom Zanussi 已提交
2316 2317 2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334
	}

	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;
2335
		ext = strrchr(script, '.');
T
Tom Zanussi 已提交
2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351
		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;
}

2352 2353
static int parse_output_fields(const struct option *opt __maybe_unused,
			    const char *arg, int unset __maybe_unused)
2354
{
2355
	char *tok, *strtok_saveptr = NULL;
2356
	int i, imax = ARRAY_SIZE(all_output_options);
2357
	int j;
2358 2359
	int rc = 0;
	char *str = strdup(arg);
2360
	int type = -1;
2361
	enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2362 2363 2364 2365

	if (!str)
		return -ENOMEM;

2366 2367 2368
	/* 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.
2369
	 */
2370 2371 2372 2373 2374 2375 2376 2377 2378 2379
	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;
2380 2381
		else if (!strcmp(str, "raw"))
			type = PERF_TYPE_RAW;
2382 2383
		else if (!strcmp(str, "break"))
			type = PERF_TYPE_BREAKPOINT;
2384 2385
		else if (!strcmp(str, "synth"))
			type = OUTPUT_TYPE_SYNTH;
2386 2387
		else {
			fprintf(stderr, "Invalid event type in field string.\n");
2388 2389
			rc = -EINVAL;
			goto out;
2390 2391 2392 2393 2394 2395 2396 2397
		}

		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;
2398
		output[type].wildcard_set = false;
2399 2400 2401 2402 2403 2404 2405 2406 2407 2408

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

2409 2410 2411 2412
		/* Don't override defaults for +- */
		if (strchr(str, '+') || strchr(str, '-'))
			goto parse;

2413 2414 2415
		if (output_set_by_user())
			pr_warning("Overriding previous field request for all events.\n");

2416
		for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2417 2418
			output[j].fields = 0;
			output[j].user_set = true;
2419
			output[j].wildcard_set = true;
2420
		}
2421 2422
	}

2423
parse:
2424
	for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440
		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;
		}

2441
		for (i = 0; i < imax; ++i) {
2442
			if (strcmp(tok, all_output_options[i].str) == 0)
2443 2444
				break;
		}
2445
		if (i == imax && strcmp(tok, "flags") == 0) {
2446
			print_flags = change == REMOVE ? false : true;
2447 2448
			continue;
		}
2449
		if (i == imax) {
2450
			fprintf(stderr, "Invalid field requested.\n");
2451
			rc = -EINVAL;
2452
			goto out;
2453 2454
		}

2455 2456 2457 2458
		if (type == -1) {
			/* add user option to all events types for
			 * which it is valid
			 */
2459
			for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2460 2461 2462
				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));
2463 2464 2465 2466 2467 2468
				} else {
					if (change == REMOVE)
						output[j].fields &= ~all_output_options[i].field;
					else
						output[j].fields |= all_output_options[i].field;
				}
2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479
			}
		} 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;
		}
2480 2481
	}

2482 2483 2484 2485 2486 2487
	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));
		}
	}
2488
	goto out;
2489

2490 2491 2492
out_badmix:
	fprintf(stderr, "Cannot mix +-field with overridden fields\n");
	rc = -EINVAL;
2493
out:
2494 2495 2496 2497
	free(str);
	return rc;
}

2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510
#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)))
2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522


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

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

2523
static LIST_HEAD(script_descs);
2524 2525 2526 2527 2528

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

2529
	if (s != NULL && name)
2530 2531 2532 2533 2534 2535 2536
		s->name = strdup(name);

	return s;
}

static void script_desc__delete(struct script_desc *s)
{
2537 2538 2539
	zfree(&s->name);
	zfree(&s->half_liner);
	zfree(&s->args);
2540 2541 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
	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)
2567
		return NULL;
2568 2569 2570 2571 2572 2573

	script_desc__add(s);

	return s;
}

2574
static const char *ends_with(const char *str, const char *suffix)
2575 2576
{
	size_t suffix_len = strlen(suffix);
2577
	const char *p = str;
2578 2579 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

	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;
}

2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646
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;
}

2647 2648 2649
static int list_available_scripts(const struct option *opt __maybe_unused,
				  const char *s __maybe_unused,
				  int unset __maybe_unused)
2650
{
2651
	struct dirent *script_dirent, *lang_dirent;
2652 2653 2654 2655 2656 2657 2658 2659
	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;

2660
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2661 2662

	scripts_dir = opendir(scripts_path);
2663 2664 2665 2666 2667 2668 2669
	if (!scripts_dir) {
		fprintf(stdout,
			"open(%s) failed.\n"
			"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
			scripts_path);
		exit(-1);
	}
2670

2671
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2672 2673
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2674 2675 2676 2677
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2678 2679
		for_each_script(lang_path, lang_dir, script_dirent) {
			script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2680
			if (script_root) {
2681
				desc = script_desc__findnew(script_root);
2682 2683
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2684
				read_script_info(desc, script_path);
2685
				free(script_root);
2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700
			}
		}
	}

	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);
}

2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718
/*
 * 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;

2719
	scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743

	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;
2744
			evlist__for_each_entry(session->evlist, pos) {
2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761
				if (!strcmp(perf_evsel__name(pos), evname)) {
					match = 1;
					break;
				}
			}

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

	fclose(fp);
	return 0;
}

2762 2763 2764 2765 2766 2767 2768 2769 2770
/*
 * 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)
{
2771
	struct dirent *script_dirent, *lang_dirent;
2772
	char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2773
	DIR *scripts_dir, *lang_dir;
2774
	struct perf_session *session;
2775
	struct perf_data data = {
J
Jiri Olsa 已提交
2776 2777 2778 2779
		.file      = {
			.path = input_name,
		},
		.mode      = PERF_DATA_MODE_READ,
2780
	};
2781 2782 2783
	char *temp;
	int i = 0;

2784
	session = perf_session__new(&data, false, NULL);
2785 2786 2787
	if (!session)
		return -1;

2788
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2789 2790

	scripts_dir = opendir(scripts_path);
2791 2792
	if (!scripts_dir) {
		perf_session__delete(session);
2793
		return -1;
2794
	}
2795

2796
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2797 2798
		scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
			  lang_dirent->d_name);
2799
#ifndef HAVE_LIBPERL_SUPPORT
2800 2801 2802
		if (strstr(lang_path, "perl"))
			continue;
#endif
2803
#ifndef HAVE_LIBPYTHON_SUPPORT
2804 2805 2806 2807 2808 2809 2810 2811
		if (strstr(lang_path, "python"))
			continue;
#endif

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

2812
		for_each_script(lang_path, lang_dir, script_dirent) {
2813
			/* Skip those real time scripts: xxxtop.p[yl] */
2814
			if (strstr(script_dirent->d_name, "top."))
2815 2816
				continue;
			sprintf(scripts_path_array[i], "%s/%s", lang_path,
2817 2818
				script_dirent->d_name);
			temp = strchr(script_dirent->d_name, '.');
2819
			snprintf(scripts_array[i],
2820 2821
				(temp - script_dirent->d_name) + 1,
				"%s", script_dirent->d_name);
2822 2823 2824 2825 2826

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

2827 2828
			i++;
		}
2829
		closedir(lang_dir);
2830 2831
	}

2832 2833
	closedir(scripts_dir);
	perf_session__delete(session);
2834 2835 2836
	return i;
}

2837 2838
static char *get_script_path(const char *script_root, const char *suffix)
{
2839
	struct dirent *script_dirent, *lang_dirent;
2840 2841 2842 2843
	char scripts_path[MAXPATHLEN];
	char script_path[MAXPATHLEN];
	DIR *scripts_dir, *lang_dir;
	char lang_path[MAXPATHLEN];
2844
	char *__script_root;
2845

2846
	snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2847 2848 2849 2850 2851

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

2852
	for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2853 2854
		scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
			  lang_dirent->d_name);
2855 2856 2857 2858
		lang_dir = opendir(lang_path);
		if (!lang_dir)
			continue;

2859 2860
		for_each_script(lang_path, lang_dir, script_dirent) {
			__script_root = get_script_root(script_dirent, suffix);
2861 2862
			if (__script_root && !strcmp(script_root, __script_root)) {
				free(__script_root);
2863 2864
				closedir(lang_dir);
				closedir(scripts_dir);
2865 2866
				scnprintf(script_path, MAXPATHLEN, "%s/%s",
					  lang_path, script_dirent->d_name);
2867
				return strdup(script_path);
2868 2869 2870
			}
			free(__script_root);
		}
2871
		closedir(lang_dir);
2872
	}
2873
	closedir(scripts_dir);
2874

2875
	return NULL;
2876 2877
}

2878 2879
static bool is_top_script(const char *script_path)
{
2880
	return ends_with(script_path, "top") == NULL ? false : true;
2881 2882 2883 2884 2885 2886 2887 2888 2889 2890 2891 2892 2893 2894 2895 2896 2897 2898 2899 2900 2901 2902 2903 2904 2905
}

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;
}

2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918
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
2919

2920 2921 2922 2923 2924
	system_wide = (argc == 0);

	return 0;
}

2925 2926 2927 2928 2929 2930 2931
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) &&
2932
		    (sample_type & PERF_SAMPLE_STACK_USER)) {
2933
			callchain_param.record_mode = CALLCHAIN_DWARF;
2934 2935
			dwarf_callchain_users = true;
		} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
2936 2937 2938 2939 2940 2941
			callchain_param.record_mode = CALLCHAIN_LBR;
		else
			callchain_param.record_mode = CALLCHAIN_FP;
	}
}

2942 2943 2944 2945 2946 2947 2948
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;

2949
	evlist__for_each_entry(session->evlist, counter) {
2950 2951 2952 2953 2954 2955 2956 2957
		perf_stat_process_counter(&stat_config, counter);
		process_stat(counter, round->time);
	}

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

2958 2959 2960 2961 2962 2963 2964 2965
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;
}

2966 2967 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
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);
}

3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 3039 3040 3041
#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

3042
int cmd_script(int argc, const char **argv)
3043 3044
{
	bool show_full_info = false;
3045 3046
	bool header = false;
	bool header_only = false;
3047
	bool script_started = false;
3048 3049 3050
	char *rec_script_path = NULL;
	char *rep_script_path = NULL;
	struct perf_session *session;
3051
	struct itrace_synth_opts itrace_synth_opts = { .set = false, };
3052 3053
	char *script_path = NULL;
	const char **__argv;
3054
	int i, j, err = 0;
3055 3056 3057 3058 3059 3060
	struct perf_script script = {
		.tool = {
			.sample		 = process_sample_event,
			.mmap		 = perf_event__process_mmap,
			.mmap2		 = perf_event__process_mmap2,
			.comm		 = perf_event__process_comm,
3061
			.namespaces	 = perf_event__process_namespaces,
3062 3063
			.exit		 = perf_event__process_exit,
			.fork		 = perf_event__process_fork,
3064
			.attr		 = process_attr,
3065
			.event_update   = perf_event__process_event_update,
3066
			.tracing_data	 = perf_event__process_tracing_data,
3067
			.feature	 = perf_event__process_feature,
3068
			.build_id	 = perf_event__process_build_id,
3069
			.id_index	 = perf_event__process_id_index,
3070
			.auxtrace_info	 = perf_script__process_auxtrace_info,
3071 3072
			.auxtrace	 = perf_event__process_auxtrace,
			.auxtrace_error	 = perf_event__process_auxtrace_error,
3073 3074
			.stat		 = perf_event__process_stat_event,
			.stat_round	 = process_stat_round_event,
3075
			.stat_config	 = process_stat_config_event,
3076 3077
			.thread_map	 = process_thread_map_event,
			.cpu_map	 = process_cpu_map_event,
3078
			.ordered_events	 = true,
3079 3080 3081
			.ordering_requires_timestamps = true,
		},
	};
3082
	struct perf_data data = {
3083 3084
		.mode = PERF_DATA_MODE_READ,
	};
3085
	const struct option options[] = {
F
Frederic Weisbecker 已提交
3086 3087
	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
		    "dump raw trace in ASCII"),
3088
	OPT_INCR('v', "verbose", &verbose,
3089
		 "be more verbose (show symbol address, etc)"),
3090
	OPT_BOOLEAN('L', "Latency", &latency_format,
3091
		    "show latency attributes (irqs/preemption disabled, etc)"),
3092 3093
	OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
			   list_available_scripts),
T
Tom Zanussi 已提交
3094 3095 3096 3097
	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",
3098
		   "generate perf-script.xx script in specified language"),
3099
	OPT_STRING('i', "input", &input_name, "file", "input file name"),
3100 3101
	OPT_BOOLEAN('d', "debug-mode", &debug_mode,
		   "do various checks like samples ordering and lost events"),
3102 3103
	OPT_BOOLEAN(0, "header", &header, "Show data header."),
	OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3104 3105 3106 3107 3108 3109
	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"),
3110 3111 3112
	OPT_CALLBACK(0, "symfs", NULL, "directory",
		     "Look for files with symbols relative to this directory",
		     symbol__config_symfs),
3113
	OPT_CALLBACK('F', "fields", NULL, "str",
3114
		     "comma separated output fields prepend with 'type:'. "
3115
		     "+field to add and -field to remove."
3116
		     "Valid types: hw,sw,trace,raw,synth. "
3117
		     "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
A
Andi Kleen 已提交
3118
		     "addr,symoff,period,iregs,uregs,brstack,brstacksym,flags,"
3119
		     "bpf-output,callindent,insn,insnlen,brstackinsn,synth,phys_addr",
3120
		     parse_output_fields),
3121
	OPT_BOOLEAN('a', "all-cpus", &system_wide,
3122
		    "system-wide collection from all CPUs"),
3123 3124
	OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
		   "only consider these symbols"),
3125 3126
	OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
		   "Stop display of callgraph at these symbols"),
3127
	OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3128 3129
	OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
		   "only display events for these comms"),
3130 3131 3132 3133
	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"),
3134 3135 3136
	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. "
3137
		     "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3138 3139
	OPT_BOOLEAN('I', "show-info", &show_full_info,
		    "display extended information from perf.data file"),
3140 3141
	OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
		    "Show the path of [kernel.kallsyms]"),
3142 3143
	OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
		    "Show the fork/comm/exit events"),
3144 3145
	OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
		    "Show the mmap events"),
3146 3147
	OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
		    "Show context switch events (if recorded)"),
3148 3149
	OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
		    "Show namespace events (if recorded)"),
3150 3151
	OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
		    "Show lost events (if recorded)"),
3152 3153
	OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
		    "Show round events (if recorded)"),
3154 3155
	OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
		    "Dump trace output to files named by the monitored events"),
3156
	OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3157 3158
	OPT_INTEGER(0, "max-blocks", &max_blocks,
		    "Maximum number of code blocks to dump with brstackinsn"),
3159 3160
	OPT_BOOLEAN(0, "ns", &nanosecs,
		    "Use 9 decimal places when displaying time"),
3161 3162 3163
	OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
			    "Instruction Tracing options",
			    itrace_parse_synth_opts),
3164 3165
	OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
			"Show full source file name path for source lines"),
3166 3167 3168 3169
	OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
			"Enable symbol demangling"),
	OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
			"Enable kernel symbol demangling"),
3170 3171
	OPT_STRING(0, "time", &script.time_str, "str",
		   "Time span of interest (start,stop)"),
3172 3173
	OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
		    "Show inline function"),
3174
	OPT_END()
3175
	};
3176 3177
	const char * const script_subcommands[] = { "record", "report", NULL };
	const char *script_usage[] = {
3178 3179 3180 3181 3182 3183 3184
		"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
	};
3185

3186 3187
	perf_set_singlethreaded();

3188 3189
	setup_scripting();

3190
	argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3191 3192
			     PARSE_OPT_STOP_AT_NON_OPTION);

J
Jiri Olsa 已提交
3193 3194
	data.file.path = input_name;
	data.force     = symbol_conf.force;
3195

3196 3197 3198
	if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
		rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
		if (!rec_script_path)
3199
			return cmd_record(argc, argv);
3200 3201
	}

3202 3203 3204
	if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
		rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
		if (!rep_script_path) {
3205
			fprintf(stderr,
3206
				"Please specify a valid report script"
3207
				"(see 'perf script -l' for listing)\n");
3208 3209 3210 3211
			return -1;
		}
	}

3212 3213 3214 3215
	if (itrace_synth_opts.callchain &&
	    itrace_synth_opts.callchain_sz > scripting_max_stack)
		scripting_max_stack = itrace_synth_opts.callchain_sz;

3216
	/* make sure PERF_EXEC_PATH is set for scripts */
3217
	set_argv_exec_path(get_argv_exec_path());
3218

3219
	if (argc && !script_name && !rec_script_path && !rep_script_path) {
3220
		int live_pipe[2];
3221
		int rep_args;
3222 3223
		pid_t pid;

3224 3225 3226 3227
		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) {
3228 3229
			usage_with_options_msg(script_usage, options,
				"Couldn't find script `%s'\n\n See perf"
3230
				" script -l for available scripts.\n", argv[0]);
3231 3232
		}

3233 3234 3235 3236 3237 3238 3239 3240
		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) {
3241 3242
				usage_with_options_msg(script_usage, options,
					"`%s' script requires options."
3243
					"\n\n See perf script -l for available "
3244 3245
					"scripts and options.\n", argv[0]);
			}
3246 3247 3248 3249
		}

		if (pipe(live_pipe) < 0) {
			perror("failed to create pipe");
3250
			return -1;
3251 3252 3253 3254 3255
		}

		pid = fork();
		if (pid < 0) {
			perror("failed to fork");
3256
			return -1;
3257 3258 3259
		}

		if (!pid) {
3260 3261
			j = 0;

3262 3263 3264
			dup2(live_pipe[1], 1);
			close(live_pipe[0]);

3265 3266 3267
			if (is_top_script(argv[0])) {
				system_wide = true;
			} else if (!system_wide) {
3268 3269 3270 3271
				if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
					err = -1;
					goto out;
				}
3272
			}
3273 3274

			__argv = malloc((argc + 6) * sizeof(const char *));
3275 3276 3277 3278 3279
			if (!__argv) {
				pr_err("malloc failed\n");
				err = -ENOMEM;
				goto out;
			}
3280

3281 3282 3283 3284 3285 3286 3287 3288 3289 3290
			__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;
3291 3292

			execvp("/bin/sh", (char **)__argv);
3293
			free(__argv);
3294 3295 3296 3297 3298 3299
			exit(-1);
		}

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

3300
		__argv = malloc((argc + 4) * sizeof(const char *));
3301 3302 3303 3304 3305 3306
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3307 3308 3309 3310 3311 3312 3313 3314
		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;
3315 3316

		execvp("/bin/sh", (char **)__argv);
3317
		free(__argv);
3318 3319 3320
		exit(-1);
	}

3321 3322 3323 3324
	if (rec_script_path)
		script_path = rec_script_path;
	if (rep_script_path)
		script_path = rep_script_path;
3325

3326 3327
	if (script_path) {
		j = 0;
3328

3329 3330
		if (!rec_script_path)
			system_wide = false;
3331 3332 3333 3334 3335 3336
		else if (!system_wide) {
			if (have_cmd(argc - 1, &argv[1]) != 0) {
				err = -1;
				goto out;
			}
		}
3337

3338
		__argv = malloc((argc + 2) * sizeof(const char *));
3339 3340 3341 3342 3343 3344
		if (!__argv) {
			pr_err("malloc failed\n");
			err = -ENOMEM;
			goto out;
		}

3345 3346 3347 3348
		__argv[j++] = "/bin/sh";
		__argv[j++] = script_path;
		if (system_wide)
			__argv[j++] = "-a";
3349
		for (i = 2; i < argc; i++)
3350 3351
			__argv[j++] = argv[i];
		__argv[j++] = NULL;
3352 3353

		execvp("/bin/sh", (char **)__argv);
3354
		free(__argv);
3355 3356
		exit(-1);
	}
T
Tom Zanussi 已提交
3357

3358 3359
	if (!script_name)
		setup_pager();
F
Frederic Weisbecker 已提交
3360

3361
	session = perf_session__new(&data, false, &script.tool);
3362
	if (session == NULL)
3363
		return -1;
3364

3365
	if (header || header_only) {
3366
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3367 3368
		perf_session__fprintf_info(session, stdout, show_full_info);
		if (header_only)
3369
			goto out_delete;
3370
	}
3371 3372
	if (show_full_info)
		script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3373

3374
	if (symbol__init(&session->header.env) < 0)
3375 3376
		goto out_delete;

3377
	script.session = session;
3378
	script__setup_sample_type(&script);
3379

3380 3381 3382
	if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
		itrace_synth_opts.thread_stack = true;

3383 3384
	session->itrace_synth_opts = &itrace_synth_opts;

3385
	if (cpu_list) {
3386 3387 3388
		err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
		if (err < 0)
			goto out_delete;
3389
		itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3390 3391
	}

3392
	if (!no_callchain)
3393 3394 3395 3396
		symbol_conf.use_callchain = true;
	else
		symbol_conf.use_callchain = false;

3397 3398
	if (session->tevent.pevent &&
	    pevent_set_function_resolver(session->tevent.pevent,
3399 3400 3401
					 machine__resolve_kernel_addr,
					 &session->machines.host) < 0) {
		pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3402 3403
		err = -1;
		goto out_delete;
3404 3405
	}

T
Tom Zanussi 已提交
3406 3407
	if (generate_script_lang) {
		struct stat perf_stat;
3408 3409
		int input;

3410
		if (output_set_by_user()) {
3411 3412
			fprintf(stderr,
				"custom fields not supported for generated scripts");
3413 3414
			err = -EINVAL;
			goto out_delete;
3415
		}
T
Tom Zanussi 已提交
3416

J
Jiri Olsa 已提交
3417
		input = open(data.file.path, O_RDONLY);	/* input_name */
T
Tom Zanussi 已提交
3418
		if (input < 0) {
3419
			err = -errno;
T
Tom Zanussi 已提交
3420
			perror("failed to open file");
3421
			goto out_delete;
T
Tom Zanussi 已提交
3422 3423 3424 3425 3426
		}

		err = fstat(input, &perf_stat);
		if (err < 0) {
			perror("failed to stat file");
3427
			goto out_delete;
T
Tom Zanussi 已提交
3428 3429 3430 3431
		}

		if (!perf_stat.st_size) {
			fprintf(stderr, "zero-sized file, nothing to do!\n");
3432
			goto out_delete;
T
Tom Zanussi 已提交
3433 3434 3435 3436 3437
		}

		scripting_ops = script_spec__lookup(generate_script_lang);
		if (!scripting_ops) {
			fprintf(stderr, "invalid language specifier");
3438 3439
			err = -ENOENT;
			goto out_delete;
T
Tom Zanussi 已提交
3440 3441
		}

J
Jiri Olsa 已提交
3442
		err = scripting_ops->generate_script(session->tevent.pevent,
3443
						     "perf-script");
3444
		goto out_delete;
T
Tom Zanussi 已提交
3445 3446 3447
	}

	if (script_name) {
3448
		err = scripting_ops->start_script(script_name, argc, argv);
T
Tom Zanussi 已提交
3449
		if (err)
3450
			goto out_delete;
3451
		pr_debug("perf script started with script %s\n\n", script_name);
3452
		script_started = true;
T
Tom Zanussi 已提交
3453 3454
	}

3455 3456 3457

	err = perf_session__check_output_opt(session);
	if (err < 0)
3458
		goto out_delete;
3459

3460 3461 3462 3463 3464 3465 3466
	script.ptime_range = perf_time__range_alloc(script.time_str,
						    &script.range_size);
	if (!script.ptime_range) {
		err = -ENOMEM;
		goto out_delete;
	}

3467
	/* needs to be parsed after looking up reference time */
3468 3469 3470
	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) {
3471 3472 3473
			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");
3474 3475 3476 3477 3478
			err = -EINVAL;
			goto out_delete;
		}

		script.range_num = perf_time__percent_parse_str(
3479
					script.ptime_range, script.range_size,
3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490
					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;
3491 3492
	}

3493
	err = __cmd_script(&script);
T
Tom Zanussi 已提交
3494

3495 3496
	flush_scripting();

3497
out_delete:
3498 3499
	zfree(&script.ptime_range);

3500
	perf_evlist__free_stats(session->evlist);
3501
	perf_session__delete(session);
3502 3503 3504

	if (script_started)
		cleanup_scripting();
T
Tom Zanussi 已提交
3505 3506
out:
	return err;
F
Frederic Weisbecker 已提交
3507
}