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linux/tools/perf/builtin-script.c
Changbin Du 8f0ec15ff6 perf: util: use capstone disasm engine to show assembly instructions 
Currently, the instructions of samples are shown as raw hex strings
which are hard to read. x86 has a special option '--xed' to disassemble
the hex string via intel XED tool.

Here we use capstone as our disassembler engine to give more friendly
instructions. We select libcapstone because capstone can provide more
insn details. Perf will fallback to raw instructions if libcapstone is
not available.

The advantages compared to XED tool:
 * Support arm, arm64, x86-32, x86_64 (more could be supported),
   xed only for x86_64.
 * Immediate address operands are shown as symbol+offs.

Signed-off-by: Changbin Du <changbin.du@huawei.com>
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: changbin.du@gmail.com
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240217074046.4100789-3-changbin.du@huawei.com
2024-02-20 18:06:48 -08:00

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// SPDX-License-Identifier: GPL-2.0
#include "builtin.h"
#include "util/counts.h"
#include "util/debug.h"
#include "util/dso.h"
#include <subcmd/exec-cmd.h>
#include "util/header.h"
#include <subcmd/parse-options.h>
#include "util/perf_regs.h"
#include "util/session.h"
#include "util/tool.h"
#include "util/map.h"
#include "util/srcline.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/trace-event.h"
#include "util/env.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/evsel_fprintf.h"
#include "util/evswitch.h"
#include "util/sort.h"
#include "util/data.h"
#include "util/auxtrace.h"
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/stat.h"
#include "util/color.h"
#include "util/string2.h"
#include "util/thread-stack.h"
#include "util/time-utils.h"
#include "util/path.h"
#include "util/event.h"
#include "ui/ui.h"
#include "print_binary.h"
#include "print_insn.h"
#include "archinsn.h"
#include <linux/bitmap.h>
#include <linux/kernel.h>
#include <linux/stringify.h>
#include <linux/time64.h>
#include <linux/zalloc.h>
#include <sys/utsname.h>
#include "asm/bug.h"
#include "util/mem-events.h"
#include "util/dump-insn.h"
#include <dirent.h>
#include <errno.h>
#include <inttypes.h>
#include <signal.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <subcmd/pager.h>
#include <perf/evlist.h>
#include <linux/err.h>
#include "util/dlfilter.h"
#include "util/record.h"
#include "util/util.h"
#include "util/cgroup.h"
#include "perf.h"
#include <linux/ctype.h>
#ifdef HAVE_LIBTRACEEVENT
#include <traceevent/event-parse.h>
#endif
static char const *script_name;
static char const *generate_script_lang;
static bool reltime;
static bool deltatime;
static u64 initial_time;
static u64 previous_time;
static bool debug_mode;
static u64 last_timestamp;
static u64 nr_unordered;
static bool no_callchain;
static bool latency_format;
static bool system_wide;
static bool print_flags;
static const char *cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
static struct perf_stat_config stat_config;
static int max_blocks;
static bool native_arch;
static struct dlfilter *dlfilter;
static int dlargc;
static char **dlargv;
unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
enum perf_output_field {
PERF_OUTPUT_COMM = 1ULL << 0,
PERF_OUTPUT_TID = 1ULL << 1,
PERF_OUTPUT_PID = 1ULL << 2,
PERF_OUTPUT_TIME = 1ULL << 3,
PERF_OUTPUT_CPU = 1ULL << 4,
PERF_OUTPUT_EVNAME = 1ULL << 5,
PERF_OUTPUT_TRACE = 1ULL << 6,
PERF_OUTPUT_IP = 1ULL << 7,
PERF_OUTPUT_SYM = 1ULL << 8,
PERF_OUTPUT_DSO = 1ULL << 9,
PERF_OUTPUT_ADDR = 1ULL << 10,
PERF_OUTPUT_SYMOFFSET = 1ULL << 11,
PERF_OUTPUT_SRCLINE = 1ULL << 12,
PERF_OUTPUT_PERIOD = 1ULL << 13,
PERF_OUTPUT_IREGS = 1ULL << 14,
PERF_OUTPUT_BRSTACK = 1ULL << 15,
PERF_OUTPUT_BRSTACKSYM = 1ULL << 16,
PERF_OUTPUT_DATA_SRC = 1ULL << 17,
PERF_OUTPUT_WEIGHT = 1ULL << 18,
PERF_OUTPUT_BPF_OUTPUT = 1ULL << 19,
PERF_OUTPUT_CALLINDENT = 1ULL << 20,
PERF_OUTPUT_INSN = 1ULL << 21,
PERF_OUTPUT_INSNLEN = 1ULL << 22,
PERF_OUTPUT_BRSTACKINSN = 1ULL << 23,
PERF_OUTPUT_BRSTACKOFF = 1ULL << 24,
PERF_OUTPUT_SYNTH = 1ULL << 25,
PERF_OUTPUT_PHYS_ADDR = 1ULL << 26,
PERF_OUTPUT_UREGS = 1ULL << 27,
PERF_OUTPUT_METRIC = 1ULL << 28,
PERF_OUTPUT_MISC = 1ULL << 29,
PERF_OUTPUT_SRCCODE = 1ULL << 30,
PERF_OUTPUT_IPC = 1ULL << 31,
PERF_OUTPUT_TOD = 1ULL << 32,
PERF_OUTPUT_DATA_PAGE_SIZE = 1ULL << 33,
PERF_OUTPUT_CODE_PAGE_SIZE = 1ULL << 34,
PERF_OUTPUT_INS_LAT = 1ULL << 35,
PERF_OUTPUT_BRSTACKINSNLEN = 1ULL << 36,
PERF_OUTPUT_MACHINE_PID = 1ULL << 37,
PERF_OUTPUT_VCPU = 1ULL << 38,
PERF_OUTPUT_CGROUP = 1ULL << 39,
PERF_OUTPUT_RETIRE_LAT = 1ULL << 40,
PERF_OUTPUT_DSOFF = 1ULL << 41,
};
struct perf_script {
struct perf_tool tool;
struct perf_session *session;
bool show_task_events;
bool show_mmap_events;
bool show_switch_events;
bool show_namespace_events;
bool show_lost_events;
bool show_round_events;
bool show_bpf_events;
bool show_cgroup_events;
bool show_text_poke_events;
bool allocated;
bool per_event_dump;
bool stitch_lbr;
struct evswitch evswitch;
struct perf_cpu_map *cpus;
struct perf_thread_map *threads;
int name_width;
const char *time_str;
struct perf_time_interval *ptime_range;
int range_size;
int range_num;
};
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},
{.str = "ip", .field = PERF_OUTPUT_IP},
{.str = "sym", .field = PERF_OUTPUT_SYM},
{.str = "dso", .field = PERF_OUTPUT_DSO},
{.str = "dsoff", .field = PERF_OUTPUT_DSOFF},
{.str = "addr", .field = PERF_OUTPUT_ADDR},
{.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
{.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
{.str = "period", .field = PERF_OUTPUT_PERIOD},
{.str = "iregs", .field = PERF_OUTPUT_IREGS},
{.str = "uregs", .field = PERF_OUTPUT_UREGS},
{.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
{.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
{.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
{.str = "weight", .field = PERF_OUTPUT_WEIGHT},
{.str = "bpf-output", .field = PERF_OUTPUT_BPF_OUTPUT},
{.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
{.str = "insn", .field = PERF_OUTPUT_INSN},
{.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
{.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
{.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
{.str = "synth", .field = PERF_OUTPUT_SYNTH},
{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
{.str = "metric", .field = PERF_OUTPUT_METRIC},
{.str = "misc", .field = PERF_OUTPUT_MISC},
{.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
{.str = "ipc", .field = PERF_OUTPUT_IPC},
{.str = "tod", .field = PERF_OUTPUT_TOD},
{.str = "data_page_size", .field = PERF_OUTPUT_DATA_PAGE_SIZE},
{.str = "code_page_size", .field = PERF_OUTPUT_CODE_PAGE_SIZE},
{.str = "ins_lat", .field = PERF_OUTPUT_INS_LAT},
{.str = "brstackinsnlen", .field = PERF_OUTPUT_BRSTACKINSNLEN},
{.str = "machine_pid", .field = PERF_OUTPUT_MACHINE_PID},
{.str = "vcpu", .field = PERF_OUTPUT_VCPU},
{.str = "cgroup", .field = PERF_OUTPUT_CGROUP},
{.str = "retire_lat", .field = PERF_OUTPUT_RETIRE_LAT},
};
enum {
OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
OUTPUT_TYPE_OTHER,
OUTPUT_TYPE_MAX
};
/* default set to maintain compatibility with current format */
static struct {
bool user_set;
bool wildcard_set;
unsigned int print_ip_opts;
u64 fields;
u64 invalid_fields;
u64 user_set_fields;
u64 user_unset_fields;
} output[OUTPUT_TYPE_MAX] = {
[PERF_TYPE_HARDWARE] = {
.user_set = false,
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
[PERF_TYPE_SOFTWARE] = {
.user_set = false,
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
PERF_OUTPUT_BPF_OUTPUT,
.invalid_fields = PERF_OUTPUT_TRACE,
},
[PERF_TYPE_TRACEPOINT] = {
.user_set = false,
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
},
[PERF_TYPE_HW_CACHE] = {
.user_set = false,
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
[PERF_TYPE_RAW] = {
.user_set = false,
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR |
PERF_OUTPUT_DATA_PAGE_SIZE | PERF_OUTPUT_CODE_PAGE_SIZE |
PERF_OUTPUT_INS_LAT | PERF_OUTPUT_RETIRE_LAT,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
[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_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
[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 |
PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
[OUTPUT_TYPE_OTHER] = {
.user_set = false,
.fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
};
struct evsel_script {
char *filename;
FILE *fp;
u64 samples;
/* For metric output */
u64 val;
int gnum;
};
static inline struct evsel_script *evsel_script(struct evsel *evsel)
{
return (struct evsel_script *)evsel->priv;
}
static struct evsel_script *evsel_script__new(struct evsel *evsel, struct perf_data *data)
{
struct evsel_script *es = zalloc(sizeof(*es));
if (es != NULL) {
if (asprintf(&es->filename, "%s.%s.dump", data->file.path, evsel__name(evsel)) < 0)
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 evsel_script__delete(struct evsel_script *es)
{
zfree(&es->filename);
fclose(es->fp);
es->fp = NULL;
free(es);
}
static int evsel_script__fprintf(struct 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);
}
static inline int output_type(unsigned int type)
{
switch (type) {
case PERF_TYPE_SYNTH:
return OUTPUT_TYPE_SYNTH;
default:
if (type < PERF_TYPE_MAX)
return type;
}
return OUTPUT_TYPE_OTHER;
}
static bool output_set_by_user(void)
{
int j;
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
if (output[j].user_set)
return true;
}
return false;
}
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;
}
#define PRINT_FIELD(x) (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
static int evsel__do_check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
enum perf_output_field field, bool allow_user_set)
{
struct perf_event_attr *attr = &evsel->core.attr;
int type = output_type(attr->type);
const char *evname;
if (attr->sample_type & sample_type)
return 0;
if (output[type].user_set_fields & field) {
if (allow_user_set)
return 0;
evname = evsel__name(evsel);
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;
evname = evsel__name(evsel);
pr_debug("Samples for '%s' event do not have %s attribute set. "
"Skipping '%s' field.\n",
evname, sample_msg, output_field2str(field));
return 0;
}
static int evsel__check_stype(struct evsel *evsel, u64 sample_type, const char *sample_msg,
enum perf_output_field field)
{
return evsel__do_check_stype(evsel, sample_type, sample_msg, field, false);
}
static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
{
struct perf_event_attr *attr = &evsel->core.attr;
bool allow_user_set;
if (evsel__is_dummy_event(evsel))
return 0;
if (perf_header__has_feat(&session->header, HEADER_STAT))
return 0;
allow_user_set = perf_header__has_feat(&session->header,
HEADER_AUXTRACE);
if (PRINT_FIELD(TRACE) &&
!perf_session__has_traces(session, "record -R"))
return -EINVAL;
if (PRINT_FIELD(IP)) {
if (evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP))
return -EINVAL;
}
if (PRINT_FIELD(ADDR) &&
evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR", PERF_OUTPUT_ADDR, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(DATA_SRC) &&
evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(WEIGHT) &&
evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(SYM) &&
!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
pr_err("Display of symbols requested but neither sample IP nor "
"sample address\navailable. Hence, no addresses to convert "
"to symbols.\n");
return -EINVAL;
}
if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
pr_err("Display of offsets requested but symbol is not"
"selected.\n");
return -EINVAL;
}
if (PRINT_FIELD(DSO) &&
!(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
pr_err("Display of DSO requested but no address to convert.\n");
return -EINVAL;
}
if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !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;
}
if ((PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN)) && !allow_user_set &&
!(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;
}
if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID", PERF_OUTPUT_TID|PERF_OUTPUT_PID))
return -EINVAL;
if (PRINT_FIELD(TIME) &&
evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME", PERF_OUTPUT_TIME))
return -EINVAL;
if (PRINT_FIELD(CPU) &&
evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU", PERF_OUTPUT_CPU, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(IREGS) &&
evsel__do_check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS", PERF_OUTPUT_IREGS, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(UREGS) &&
evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS", PERF_OUTPUT_UREGS))
return -EINVAL;
if (PRINT_FIELD(PHYS_ADDR) &&
evsel__do_check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR", PERF_OUTPUT_PHYS_ADDR, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(DATA_PAGE_SIZE) &&
evsel__check_stype(evsel, PERF_SAMPLE_DATA_PAGE_SIZE, "DATA_PAGE_SIZE", PERF_OUTPUT_DATA_PAGE_SIZE))
return -EINVAL;
if (PRINT_FIELD(CODE_PAGE_SIZE) &&
evsel__check_stype(evsel, PERF_SAMPLE_CODE_PAGE_SIZE, "CODE_PAGE_SIZE", PERF_OUTPUT_CODE_PAGE_SIZE))
return -EINVAL;
if (PRINT_FIELD(INS_LAT) &&
evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_INS_LAT))
return -EINVAL;
if (PRINT_FIELD(CGROUP) &&
evsel__check_stype(evsel, PERF_SAMPLE_CGROUP, "CGROUP", PERF_OUTPUT_CGROUP)) {
pr_err("Hint: run 'perf record --all-cgroups ...'\n");
return -EINVAL;
}
if (PRINT_FIELD(RETIRE_LAT) &&
evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_STRUCT, "WEIGHT_STRUCT", PERF_OUTPUT_RETIRE_LAT))
return -EINVAL;
return 0;
}
static void set_print_ip_opts(struct perf_event_attr *attr)
{
unsigned int type = output_type(attr->type);
output[type].print_ip_opts = 0;
if (PRINT_FIELD(IP))
output[type].print_ip_opts |= EVSEL__PRINT_IP;
if (PRINT_FIELD(SYM))
output[type].print_ip_opts |= EVSEL__PRINT_SYM;
if (PRINT_FIELD(DSO))
output[type].print_ip_opts |= EVSEL__PRINT_DSO;
if (PRINT_FIELD(DSOFF))
output[type].print_ip_opts |= EVSEL__PRINT_DSOFF;
if (PRINT_FIELD(SYMOFFSET))
output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
if (PRINT_FIELD(SRCLINE))
output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
}
static struct evsel *find_first_output_type(struct evlist *evlist,
unsigned int type)
{
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
if (evsel__is_dummy_event(evsel))
continue;
if (output_type(evsel->core.attr.type) == (int)type)
return evsel;
}
return NULL;
}
/*
* verify all user requested events exist and the samples
* have the expected data
*/
static int perf_session__check_output_opt(struct perf_session *session)
{
bool tod = false;
unsigned int j;
struct evsel *evsel;
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
evsel = find_first_output_type(session->evlist, j);
/*
* even if fields is set to 0 (ie., show nothing) event must
* exist if user explicitly includes it on the command line
*/
if (!evsel && output[j].user_set && !output[j].wildcard_set &&
j != OUTPUT_TYPE_SYNTH) {
pr_err("%s events do not exist. "
"Remove corresponding -F option to proceed.\n",
event_type(j));
return -1;
}
if (evsel && output[j].fields &&
evsel__check_attr(evsel, session))
return -1;
if (evsel == NULL)
continue;
/* 'dsoff' implys 'dso' field */
if (output[j].fields & PERF_OUTPUT_DSOFF)
output[j].fields |= PERF_OUTPUT_DSO;
set_print_ip_opts(&evsel->core.attr);
tod |= output[j].fields & PERF_OUTPUT_TOD;
}
if (!no_callchain) {
bool use_callchain = false;
bool not_pipe = false;
evlist__for_each_entry(session->evlist, evsel) {
not_pipe = true;
if (evsel__has_callchain(evsel)) {
use_callchain = true;
break;
}
}
if (not_pipe && !use_callchain)
symbol_conf.use_callchain = false;
}
/*
* set default for tracepoints to print symbols only
* if callchains are present
*/
if (symbol_conf.use_callchain &&
!output[PERF_TYPE_TRACEPOINT].user_set) {
j = PERF_TYPE_TRACEPOINT;
evlist__for_each_entry(session->evlist, evsel) {
if (evsel->core.attr.type != j)
continue;
if (evsel__has_callchain(evsel)) {
output[j].fields |= PERF_OUTPUT_IP;
output[j].fields |= PERF_OUTPUT_SYM;
output[j].fields |= PERF_OUTPUT_SYMOFFSET;
output[j].fields |= PERF_OUTPUT_DSO;
set_print_ip_opts(&evsel->core.attr);
goto out;
}
}
}
if (tod && !session->header.env.clock.enabled) {
pr_err("Can't provide 'tod' time, missing clock data. "
"Please record with -k/--clockid option.\n");
return -1;
}
out:
return 0;
}
static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask, const char *arch,
FILE *fp)
{
unsigned i = 0, r;
int printed = 0;
if (!regs || !regs->regs)
return 0;
printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
u64 val = regs->regs[i++];
printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r, arch), val);
}
return printed;
}
#define DEFAULT_TOD_FMT "%F %H:%M:%S"
static char*
tod_scnprintf(struct perf_script *script, char *buf, int buflen,
u64 timestamp)
{
u64 tod_ns, clockid_ns;
struct perf_env *env;
unsigned long nsec;
struct tm ltime;
char date[64];
time_t sec;
buf[0] = '\0';
if (buflen < 64 || !script)
return buf;
env = &script->session->header.env;
if (!env->clock.enabled) {
scnprintf(buf, buflen, "disabled");
return buf;
}
clockid_ns = env->clock.clockid_ns;
tod_ns = env->clock.tod_ns;
if (timestamp > clockid_ns)
tod_ns += timestamp - clockid_ns;
else
tod_ns -= clockid_ns - timestamp;
sec = (time_t) (tod_ns / NSEC_PER_SEC);
nsec = tod_ns - sec * NSEC_PER_SEC;
if (localtime_r(&sec, &ltime) == NULL) {
scnprintf(buf, buflen, "failed");
} else {
strftime(date, sizeof(date), DEFAULT_TOD_FMT, &ltime);
if (symbol_conf.nanosecs) {
snprintf(buf, buflen, "%s.%09lu", date, nsec);
} else {
snprintf(buf, buflen, "%s.%06lu",
date, nsec / NSEC_PER_USEC);
}
}
return buf;
}
static int perf_sample__fprintf_iregs(struct perf_sample *sample,
struct perf_event_attr *attr, const char *arch, FILE *fp)
{
return perf_sample__fprintf_regs(&sample->intr_regs,
attr->sample_regs_intr, arch, fp);
}
static int perf_sample__fprintf_uregs(struct perf_sample *sample,
struct perf_event_attr *attr, const char *arch, FILE *fp)
{
return perf_sample__fprintf_regs(&sample->user_regs,
attr->sample_regs_user, arch, fp);
}
static int perf_sample__fprintf_start(struct perf_script *script,
struct perf_sample *sample,
struct thread *thread,
struct evsel *evsel,
u32 type, FILE *fp)
{
struct perf_event_attr *attr = &evsel->core.attr;
unsigned long secs;
unsigned long long nsecs;
int printed = 0;
char tstr[128];
if (PRINT_FIELD(MACHINE_PID) && sample->machine_pid)
printed += fprintf(fp, "VM:%5d ", sample->machine_pid);
/* Print VCPU only for guest events i.e. with machine_pid */
if (PRINT_FIELD(VCPU) && sample->machine_pid)
printed += fprintf(fp, "VCPU:%03d ", sample->vcpu);
if (PRINT_FIELD(COMM)) {
const char *comm = thread ? thread__comm_str(thread) : ":-1";
if (latency_format)
printed += fprintf(fp, "%8.8s ", comm);
else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
printed += fprintf(fp, "%s ", comm);
else
printed += fprintf(fp, "%16s ", comm);
}
if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
printed += fprintf(fp, "%7d/%-7d ", sample->pid, sample->tid);
else if (PRINT_FIELD(PID))
printed += fprintf(fp, "%7d ", sample->pid);
else if (PRINT_FIELD(TID))
printed += fprintf(fp, "%7d ", sample->tid);
if (PRINT_FIELD(CPU)) {
if (latency_format)
printed += fprintf(fp, "%3d ", sample->cpu);
else
printed += fprintf(fp, "[%03d] ", sample->cpu);
}
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:
if (has(SWITCH_OUT)) {
ret += fprintf(fp, "S");
if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
ret += fprintf(fp, "p");
}
default:
break;
}
#undef has
ret += fprintf(fp, "%*s", 6 - ret, " ");
printed += ret;
}
if (PRINT_FIELD(TOD)) {
tod_scnprintf(script, tstr, sizeof(tstr), sample->time);
printed += fprintf(fp, "%s ", tstr);
}
if (PRINT_FIELD(TIME)) {
u64 t = sample->time;
if (reltime) {
if (!initial_time)
initial_time = sample->time;
t = sample->time - initial_time;
} else if (deltatime) {
if (previous_time)
t = sample->time - previous_time;
else {
t = 0;
}
previous_time = sample->time;
}
nsecs = t;
secs = nsecs / NSEC_PER_SEC;
nsecs -= secs * NSEC_PER_SEC;
if (symbol_conf.nanosecs)
printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
else {
char sample_time[32];
timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
printed += fprintf(fp, "%12s: ", sample_time);
}
}
return printed;
}
static inline char
mispred_str(struct branch_entry *br)
{
if (!(br->flags.mispred || br->flags.predicted))
return '-';
return br->flags.predicted ? 'P' : 'M';
}
static int print_bstack_flags(FILE *fp, struct branch_entry *br)
{
return fprintf(fp, "/%c/%c/%c/%d/%s/%s ",
mispred_str(br),
br->flags.in_tx ? 'X' : '-',
br->flags.abort ? 'A' : '-',
br->flags.cycles,
get_branch_type(br),
br->flags.spec ? branch_spec_desc(br->flags.spec) : "-");
}
static int perf_sample__fprintf_brstack(struct perf_sample *sample,
struct thread *thread,
struct perf_event_attr *attr, FILE *fp)
{
struct branch_stack *br = sample->branch_stack;
struct branch_entry *entries = perf_sample__branch_entries(sample);
u64 i, from, to;
int printed = 0;
if (!(br && br->nr))
return 0;
for (i = 0; i < br->nr; i++) {
from = entries[i].from;
to = entries[i].to;
printed += fprintf(fp, " 0x%"PRIx64, from);
if (PRINT_FIELD(DSO)) {
struct addr_location alf, alt;
addr_location__init(&alf);
addr_location__init(&alt);
thread__find_map_fb(thread, sample->cpumode, from, &alf);
thread__find_map_fb(thread, sample->cpumode, to, &alt);
printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
printed += fprintf(fp, "/0x%"PRIx64, to);
printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
addr_location__exit(&alt);
addr_location__exit(&alf);
} else
printed += fprintf(fp, "/0x%"PRIx64, to);
printed += print_bstack_flags(fp, entries + i);
}
return printed;
}
static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
struct thread *thread,
struct perf_event_attr *attr, FILE *fp)
{
struct branch_stack *br = sample->branch_stack;
struct branch_entry *entries = perf_sample__branch_entries(sample);
u64 i, from, to;
int printed = 0;
if (!(br && br->nr))
return 0;
for (i = 0; i < br->nr; i++) {
struct addr_location alf, alt;
addr_location__init(&alf);
addr_location__init(&alt);
from = entries[i].from;
to = entries[i].to;
thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
if (PRINT_FIELD(DSO))
printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
printed += fprintf(fp, "%c", '/');
printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
if (PRINT_FIELD(DSO))
printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
printed += print_bstack_flags(fp, entries + i);
addr_location__exit(&alt);
addr_location__exit(&alf);
}
return printed;
}
static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
struct thread *thread,
struct perf_event_attr *attr, FILE *fp)
{
struct branch_stack *br = sample->branch_stack;
struct branch_entry *entries = perf_sample__branch_entries(sample);
u64 i, from, to;
int printed = 0;
if (!(br && br->nr))
return 0;
for (i = 0; i < br->nr; i++) {
struct addr_location alf, alt;
addr_location__init(&alf);
addr_location__init(&alt);
from = entries[i].from;
to = entries[i].to;
if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
!map__dso(alf.map)->adjust_symbols)
from = map__dso_map_ip(alf.map, from);
if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
!map__dso(alt.map)->adjust_symbols)
to = map__dso_map_ip(alt.map, to);
printed += fprintf(fp, " 0x%"PRIx64, from);
if (PRINT_FIELD(DSO))
printed += map__fprintf_dsoname_dsoff(alf.map, PRINT_FIELD(DSOFF), alf.addr, fp);
printed += fprintf(fp, "/0x%"PRIx64, to);
if (PRINT_FIELD(DSO))
printed += map__fprintf_dsoname_dsoff(alt.map, PRINT_FIELD(DSOFF), alt.addr, fp);
printed += print_bstack_flags(fp, entries + i);
addr_location__exit(&alt);
addr_location__exit(&alf);
}
return printed;
}
#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;
struct dso *dso;
int ret = 0;
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)) {
pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
return -ENXIO;
}
if (end - start > MAXBB - MAXINSN) {
if (last)
pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
else
pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
return 0;
}
addr_location__init(&al);
if (!thread__find_map(thread, *cpumode, start, &al) || (dso = map__dso(al.map)) == NULL) {
pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
goto out;
}
if (dso->data.status == DSO_DATA_STATUS_ERROR) {
pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
goto out;
}
/* Load maps to ensure dso->is_64_bit has been updated */
map__load(al.map);
offset = map__map_ip(al.map, start);
len = dso__data_read_offset(dso, machine, offset, (u8 *)buffer,
end - start + MAXINSN);
*is64bit = dso->is_64_bit;
if (len <= 0)
pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
start, end);
ret = len;
out:
addr_location__exit(&al);
return ret;
}
static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
{
char *srcfile;
int ret = 0;
unsigned line;
int len;
char *srccode;
struct dso *dso;
if (!map || (dso = map__dso(map)) == NULL)
return 0;
srcfile = get_srcline_split(dso,
map__rip_2objdump(map, addr),
&line);
if (!srcfile)
return 0;
/* Avoid redundant printing */
if (state &&
state->srcfile &&
!strcmp(state->srcfile, srcfile) &&
state->line == line) {
free(srcfile);
return 0;
}
srccode = find_sourceline(srcfile, line, &len);
if (!srccode)
goto out_free_line;
ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
if (state) {
state->srcfile = srcfile;
state->line = line;
}
return ret;
out_free_line:
free(srcfile);
return ret;
}
static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
{
struct addr_location al;
int ret = 0;
addr_location__init(&al);
thread__find_map(thread, cpumode, addr, &al);
if (!al.map)
goto out;
ret = map__fprintf_srccode(al.map, al.addr, stdout,
thread__srccode_state(thread));
if (ret)
ret += printf("\n");
out:
addr_location__exit(&al);
return ret;
}
static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
struct perf_insn *x, u8 *inbuf, int len,
int insn, FILE *fp, int *total_cycles,
struct perf_event_attr *attr,
struct thread *thread)
{
int ilen = 0;
int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t", ip,
dump_insn(x, ip, inbuf, len, &ilen));
if (PRINT_FIELD(BRSTACKINSNLEN))
printed += fprintf(fp, "ilen: %d\t", ilen);
if (PRINT_FIELD(SRCLINE)) {
struct addr_location al;
addr_location__init(&al);
thread__find_map(thread, x->cpumode, ip, &al);
printed += map__fprintf_srcline(al.map, al.addr, " srcline: ", fp);
printed += fprintf(fp, "\t");
addr_location__exit(&al);
}
printed += fprintf(fp, "#%s%s%s%s",
en->flags.predicted ? " PRED" : "",
en->flags.mispred ? " MISPRED" : "",
en->flags.in_tx ? " INTX" : "",
en->flags.abort ? " ABORT" : "");
if (en->flags.cycles) {
*total_cycles += en->flags.cycles;
printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
if (insn)
printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
}
return printed + fprintf(fp, "\n");
}
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)
{
struct addr_location al;
int off, printed = 0, ret = 0;
addr_location__init(&al);
thread__find_map(thread, cpumode, addr, &al);
if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
goto out;
al.cpu = cpu;
al.sym = NULL;
if (al.map)
al.sym = map__find_symbol(al.map, al.addr);
if (!al.sym)
goto out;
if (al.addr < al.sym->end)
off = al.addr - al.sym->start;
else
off = al.addr - map__start(al.map) - al.sym->start;
printed += fprintf(fp, "\t%s", al.sym->name);
if (off)
printed += fprintf(fp, "%+d", off);
printed += fprintf(fp, ":");
if (PRINT_FIELD(SRCLINE))
printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
printed += fprintf(fp, "\n");
*lastsym = al.sym;
ret = printed;
out:
addr_location__exit(&al);
return ret;
}
static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
struct thread *thread,
struct perf_event_attr *attr,
struct machine *machine, FILE *fp)
{
struct branch_stack *br = sample->branch_stack;
struct branch_entry *entries = perf_sample__branch_entries(sample);
u64 start, end;
int i, insn, len, nr, ilen, printed = 0;
struct perf_insn x;
u8 buffer[MAXBB];
unsigned off;
struct symbol *lastsym = NULL;
int total_cycles = 0;
if (!(br && br->nr))
return 0;
nr = br->nr;
if (max_blocks && nr > max_blocks + 1)
nr = max_blocks + 1;
x.thread = thread;
x.cpu = sample->cpu;
printed += fprintf(fp, "%c", '\n');
/* Handle first from jump, of which we don't know the entry. */
len = grab_bb(buffer, entries[nr-1].from,
entries[nr-1].from,
machine, thread, &x.is64bit, &x.cpumode, false);
if (len > 0) {
printed += ip__fprintf_sym(entries[nr - 1].from, thread,
x.cpumode, x.cpu, &lastsym, attr, fp);
printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
&x, buffer, len, 0, fp, &total_cycles,
attr, thread);
if (PRINT_FIELD(SRCCODE))
printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
}
/* Print all blocks */
for (i = nr - 2; i >= 0; i--) {
if (entries[i].from || entries[i].to)
pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
entries[i].from,
entries[i].to);
start = entries[i + 1].to;
end = 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 = 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 < (unsigned)len; off += ilen) {
uint64_t ip = start + off;
printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
if (ip == end) {
printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
&total_cycles, attr, thread);
if (PRINT_FIELD(SRCCODE))
printed += print_srccode(thread, x.cpumode, ip);
break;
} else {
ilen = 0;
printed += fprintf(fp, "\t%016" PRIx64 "\t%s", ip,
dump_insn(&x, ip, buffer + off, len - off, &ilen));
if (PRINT_FIELD(BRSTACKINSNLEN))
printed += fprintf(fp, "\tilen: %d", ilen);
printed += fprintf(fp, "\n");
if (ilen == 0)
break;
if (PRINT_FIELD(SRCCODE))
print_srccode(thread, x.cpumode, ip);
insn++;
}
}
if (off != end - start)
printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
}
/*
* Hit the branch? In this case we are already done, and the target
* has not been executed yet.
*/
if (entries[0].from == sample->ip)
goto out;
if (entries[0].flags.abort)
goto out;
/*
* Print final block up to sample
*
* Due to pipeline delays the LBRs might be missing a branch
* or two, which can result in very large or negative blocks
* between final branch and sample. When this happens just
* continue walking after the last TO until we hit a branch.
*/
start = entries[0].to;
end = sample->ip;
if (end < start) {
/* Missing jump. Scan 128 bytes for the next branch */
end = start + 128;
}
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
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)
goto out;
ilen = 0;
printed += fprintf(fp, "\t%016" PRIx64 "\t%s", sample->ip,
dump_insn(&x, sample->ip, buffer, len, &ilen));
if (PRINT_FIELD(BRSTACKINSNLEN))
printed += fprintf(fp, "\tilen: %d", ilen);
printed += fprintf(fp, "\n");
if (PRINT_FIELD(SRCCODE))
print_srccode(thread, x.cpumode, sample->ip);
goto out;
}
for (off = 0; off <= end - start; off += ilen) {
ilen = 0;
printed += fprintf(fp, "\t%016" PRIx64 "\t%s", start + off,
dump_insn(&x, start + off, buffer + off, len - off, &ilen));
if (PRINT_FIELD(BRSTACKINSNLEN))
printed += fprintf(fp, "\tilen: %d", ilen);
printed += fprintf(fp, "\n");
if (ilen == 0)
break;
if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
/*
* Hit a missing branch. Just stop.
*/
printed += fprintf(fp, "\t... not reaching sample ...\n");
break;
}
if (PRINT_FIELD(SRCCODE))
print_srccode(thread, x.cpumode, start + off);
}
out:
return printed;
}
static int perf_sample__fprintf_addr(struct perf_sample *sample,
struct thread *thread,
struct perf_event_attr *attr, FILE *fp)
{
struct addr_location al;
int printed = fprintf(fp, "%16" PRIx64, sample->addr);
addr_location__init(&al);
if (!sample_addr_correlates_sym(attr))
goto out;
thread__resolve(thread, &al, sample);
if (PRINT_FIELD(SYM)) {
printed += fprintf(fp, " ");
if (PRINT_FIELD(SYMOFFSET))
printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
else
printed += symbol__fprintf_symname(al.sym, fp);
}
if (PRINT_FIELD(DSO))
printed += map__fprintf_dsoname_dsoff(al.map, PRINT_FIELD(DSOFF), al.addr, fp);
out:
addr_location__exit(&al);
return printed;
}
static const char *resolve_branch_sym(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al,
struct addr_location *addr_al,
u64 *ip)
{
struct perf_event_attr *attr = &evsel->core.attr;
const char *name = NULL;
if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
if (sample_addr_correlates_sym(attr)) {
if (!addr_al->thread)
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;
}
return name;
}
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al,
struct addr_location *addr_al,
FILE *fp)
{
struct perf_event_attr *attr = &evsel->core.attr;
size_t depth = thread_stack__depth(thread, sample->cpu);
const char *name = NULL;
static int spacing;
int len = 0;
int dlen = 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(thread) && sample->flags & PERF_IP_FLAG_RETURN)
depth += 1;
name = resolve_branch_sym(sample, evsel, thread, al, addr_al, &ip);
if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
dlen += fprintf(fp, "(");
dlen += map__fprintf_dsoname(al->map, fp);
dlen += fprintf(fp, ")\t");
}
if (name)
len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
else if (ip)
len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
if (len < 0)
return len;
/*
* 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)
len += fprintf(fp, "%*s", spacing - len, "");
return len + dlen;
}
__weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
struct thread *thread __maybe_unused,
struct machine *machine __maybe_unused)
{
}
void script_fetch_insn(struct perf_sample *sample, struct thread *thread,
struct machine *machine)
{
if (sample->insn_len == 0 && native_arch)
arch_fetch_insn(sample, thread, machine);
}
static int perf_sample__fprintf_insn(struct perf_sample *sample,
struct perf_event_attr *attr,
struct thread *thread,
struct machine *machine, FILE *fp)
{
int printed = 0;
script_fetch_insn(sample, thread, machine);
if (PRINT_FIELD(INSNLEN))
printed += fprintf(fp, " ilen: %d", sample->insn_len);
if (PRINT_FIELD(INSN) && sample->insn_len) {
printed += fprintf(fp, " insn: ");
printed += sample__fprintf_insn_raw(sample, fp);
}
if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN))
printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
return printed;
}
static int perf_sample__fprintf_ipc(struct perf_sample *sample,
struct perf_event_attr *attr, FILE *fp)
{
unsigned int ipc;
if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
return 0;
ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
}
static int perf_sample__fprintf_bts(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al,
struct addr_location *addr_al,
struct machine *machine, FILE *fp)
{
struct perf_event_attr *attr = &evsel->core.attr;
unsigned int type = output_type(attr->type);
bool print_srcline_last = false;
int printed = 0;
if (PRINT_FIELD(CALLINDENT))
printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, addr_al, fp);
/* print branch_from information */
if (PRINT_FIELD(IP)) {
unsigned int print_opts = output[type].print_ip_opts;
struct callchain_cursor *cursor = NULL;
if (symbol_conf.use_callchain && sample->callchain) {
cursor = get_tls_callchain_cursor();
if (thread__resolve_callchain(al->thread, cursor, evsel,
sample, NULL, NULL,
scripting_max_stack))
cursor = NULL;
}
if (cursor == NULL) {
printed += fprintf(fp, " ");
if (print_opts & EVSEL__PRINT_SRCLINE) {
print_srcline_last = true;
print_opts &= ~EVSEL__PRINT_SRCLINE;
}
} else
printed += fprintf(fp, "\n");
printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
symbol_conf.bt_stop_list, fp);
}
/* print branch_to information */
if (PRINT_FIELD(ADDR) ||
((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
!output[type].user_set)) {
printed += fprintf(fp, " => ");
printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
}
printed += perf_sample__fprintf_ipc(sample, attr, fp);
if (print_srcline_last)
printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
printed += fprintf(fp, "\n");
if (PRINT_FIELD(SRCCODE)) {
int ret = map__fprintf_srccode(al->map, al->addr, stdout,
thread__srccode_state(thread));
if (ret) {
printed += ret;
printed += printf("\n");
}
}
return printed;
}
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"},
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMENTRY, "vmentry"},
{PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_VMEXIT, "vmexit"},
{0, NULL}
};
static const char *sample_flags_to_name(u32 flags)
{
int i;
for (i = 0; sample_flags[i].name ; i++) {
if (sample_flags[i].flags == flags)
return sample_flags[i].name;
}
return NULL;
}
int perf_sample__sprintf_flags(u32 flags, char *str, size_t sz)
{
u32 xf = PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_INTR_DISABLE |
PERF_IP_FLAG_INTR_TOGGLE;
const char *chars = PERF_IP_FLAG_CHARS;
const size_t n = strlen(PERF_IP_FLAG_CHARS);
const char *name = NULL;
size_t i, pos = 0;
char xs[16] = {0};
if (flags & xf)
snprintf(xs, sizeof(xs), "(%s%s%s)",
flags & PERF_IP_FLAG_IN_TX ? "x" : "",
flags & PERF_IP_FLAG_INTR_DISABLE ? "D" : "",
flags & PERF_IP_FLAG_INTR_TOGGLE ? "t" : "");
name = sample_flags_to_name(flags & ~xf);
if (name)
return snprintf(str, sz, "%-15s%6s", name, xs);
if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_BEGIN));
if (name)
return snprintf(str, sz, "tr strt %-7s%6s", name, xs);
}
if (flags & PERF_IP_FLAG_TRACE_END) {
name = sample_flags_to_name(flags & ~(xf | PERF_IP_FLAG_TRACE_END));
if (name)
return snprintf(str, sz, "tr end %-7s%6s", name, xs);
}
for (i = 0; i < n; i++, flags >>= 1) {
if ((flags & 1) && pos < sz)
str[pos++] = chars[i];
}
for (; i < 32; i++, flags >>= 1) {
if ((flags & 1) && pos < sz)
str[pos++] = '?';
}
if (pos < sz)
str[pos] = 0;
return pos;
}
static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
{
char str[SAMPLE_FLAGS_BUF_SIZE];
perf_sample__sprintf_flags(flags, str, sizeof(str));
return fprintf(fp, " %-21s ", str);
}
struct printer_data {
int line_no;
bool hit_nul;
bool is_printable;
};
static int sample__fprintf_bpf_output(enum binary_printer_ops op,
unsigned int val,
void *extra, FILE *fp)
{
unsigned char ch = (unsigned char)val;
struct printer_data *printer_data = extra;
int printed = 0;
switch (op) {
case BINARY_PRINT_DATA_BEGIN:
printed += fprintf(fp, "\n");
break;
case BINARY_PRINT_LINE_BEGIN:
printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
" ");
break;
case BINARY_PRINT_ADDR:
printed += fprintf(fp, " %04x:", val);
break;
case BINARY_PRINT_NUM_DATA:
printed += fprintf(fp, " %02x", val);
break;
case BINARY_PRINT_NUM_PAD:
printed += fprintf(fp, " ");
break;
case BINARY_PRINT_SEP:
printed += fprintf(fp, " ");
break;
case BINARY_PRINT_CHAR_DATA:
if (printer_data->hit_nul && ch)
printer_data->is_printable = false;
if (!isprint(ch)) {
printed += fprintf(fp, "%c", '.');
if (!printer_data->is_printable)
break;
if (ch == '\0')
printer_data->hit_nul = true;
else
printer_data->is_printable = false;
} else {
printed += fprintf(fp, "%c", ch);
}
break;
case BINARY_PRINT_CHAR_PAD:
printed += fprintf(fp, " ");
break;
case BINARY_PRINT_LINE_END:
printed += fprintf(fp, "\n");
printer_data->line_no++;
break;
case BINARY_PRINT_DATA_END:
default:
break;
}
return printed;
}
static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
{
unsigned int nr_bytes = sample->raw_size;
struct printer_data printer_data = {0, false, true};
int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
sample__fprintf_bpf_output, &printer_data, fp);
if (printer_data.is_printable && printer_data.hit_nul)
printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
return printed;
}
static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
{
if (len > 0 && len < spacing)
return fprintf(fp, "%*s", spacing - len, "");
return 0;
}
static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
{
return perf_sample__fprintf_spacing(len, 34, fp);
}
/* If a value contains only printable ASCII characters padded with NULLs */
static bool ptw_is_prt(u64 val)
{
char c;
u32 i;
for (i = 0; i < sizeof(val); i++) {
c = ((char *)&val)[i];
if (!c)
break;
if (!isprint(c) || !isascii(c))
return false;
}
for (; i < sizeof(val); i++) {
c = ((char *)&val)[i];
if (c)
return false;
}
return true;
}
static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
char str[sizeof(u64) + 1] = "";
int len;
u64 val;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
val = le64_to_cpu(data->payload);
if (ptw_is_prt(val)) {
memcpy(str, &val, sizeof(val));
str[sizeof(val)] = 0;
}
len = fprintf(fp, " IP: %u payload: %#" PRIx64 " %s ",
data->ip, val, str);
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
int len;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
len = fprintf(fp, " hints: %#x extensions: %#x ",
data->hints, data->extensions);
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
int len;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
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);
}
static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
int len;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
len = fprintf(fp, " IP: %u ", data->ip);
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
int len;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
data->deepest_cstate, data->last_cstate,
data->wake_reason);
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
{
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))
return 0;
freq = (le32_to_cpu(data->freq) + 500) / 1000;
len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
if (data->max_nonturbo) {
percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
len += fprintf(fp, "(%3u%%) ", percent);
}
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth_psb(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_psb *data = perf_sample__synth_ptr(sample);
int len;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
len = fprintf(fp, " psb offs: %#" PRIx64, data->offset);
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
/* Intel PT Event Trace */
static int perf_sample__fprintf_synth_evt(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_evt *data = perf_sample__synth_ptr(sample);
const char *cfe[32] = {NULL, "INTR", "IRET", "SMI", "RSM", "SIPI",
"INIT", "VMENTRY", "VMEXIT", "VMEXIT_INTR",
"SHUTDOWN", NULL, "UINTR", "UIRET"};
const char *evd[64] = {"PFA", "VMXQ", "VMXR"};
const char *s;
int len, i;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
s = cfe[data->type];
if (s) {
len = fprintf(fp, " cfe: %s IP: %d vector: %u",
s, data->ip, data->vector);
} else {
len = fprintf(fp, " cfe: %u IP: %d vector: %u",
data->type, data->ip, data->vector);
}
for (i = 0; i < data->evd_cnt; i++) {
unsigned int et = data->evd[i].evd_type & 0x3f;
s = evd[et];
if (s) {
len += fprintf(fp, " %s: %#" PRIx64,
s, data->evd[i].payload);
} else {
len += fprintf(fp, " EVD_%u: %#" PRIx64,
et, data->evd[i].payload);
}
}
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth_iflag_chg(struct perf_sample *sample, FILE *fp)
{
struct perf_synth_intel_iflag_chg *data = perf_sample__synth_ptr(sample);
int len;
if (perf_sample__bad_synth_size(sample, *data))
return 0;
len = fprintf(fp, " IFLAG: %d->%d %s branch", !data->iflag, data->iflag,
data->via_branch ? "via" : "non");
return len + perf_sample__fprintf_pt_spacing(len, fp);
}
static int perf_sample__fprintf_synth(struct perf_sample *sample,
struct evsel *evsel, FILE *fp)
{
switch (evsel->core.attr.config) {
case PERF_SYNTH_INTEL_PTWRITE:
return perf_sample__fprintf_synth_ptwrite(sample, fp);
case PERF_SYNTH_INTEL_MWAIT:
return perf_sample__fprintf_synth_mwait(sample, fp);
case PERF_SYNTH_INTEL_PWRE:
return perf_sample__fprintf_synth_pwre(sample, fp);
case PERF_SYNTH_INTEL_EXSTOP:
return perf_sample__fprintf_synth_exstop(sample, fp);
case PERF_SYNTH_INTEL_PWRX:
return perf_sample__fprintf_synth_pwrx(sample, fp);
case PERF_SYNTH_INTEL_CBR:
return perf_sample__fprintf_synth_cbr(sample, fp);
case PERF_SYNTH_INTEL_PSB:
return perf_sample__fprintf_synth_psb(sample, fp);
case PERF_SYNTH_INTEL_EVT:
return perf_sample__fprintf_synth_evt(sample, fp);
case PERF_SYNTH_INTEL_IFLAG_CHG:
return perf_sample__fprintf_synth_iflag_chg(sample, fp);
default:
break;
}
return 0;
}
static int evlist__max_name_len(struct evlist *evlist)
{
struct evsel *evsel;
int max = 0;
evlist__for_each_entry(evlist, evsel) {
int len = strlen(evsel__name(evsel));
max = MAX(len, max);
}
return max;
}
static int data_src__fprintf(u64 data_src, FILE *fp)
{
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;
return fprintf(fp, "%-*s", maxlen, out);
}
struct metric_ctx {
struct perf_sample *sample;
struct thread *thread;
struct evsel *evsel;
FILE *fp;
};
static void script_print_metric(struct perf_stat_config *config __maybe_unused,
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(NULL, mctx->sample, mctx->thread, mctx->evsel,
PERF_RECORD_SAMPLE, mctx->fp);
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(struct perf_stat_config *config __maybe_unused,
void *ctx)
{
struct metric_ctx *mctx = ctx;
perf_sample__fprintf_start(NULL, mctx->sample, mctx->thread, mctx->evsel,
PERF_RECORD_SAMPLE, mctx->fp);
fputs("\tmetric: ", mctx->fp);
}
static void perf_sample__fprint_metric(struct perf_script *script,
struct thread *thread,
struct evsel *evsel,
struct perf_sample *sample,
FILE *fp)
{
struct evsel *leader = evsel__leader(evsel);
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 evsel *ev2;
u64 val;
if (!evsel->stats)
evlist__alloc_stats(&stat_config, script->session->evlist, /*alloc_raw=*/false);
if (evsel_script(leader)->gnum++ == 0)
perf_stat__reset_shadow_stats();
val = sample->period * evsel->scale;
evsel_script(evsel)->val = val;
if (evsel_script(leader)->gnum == leader->core.nr_members) {
for_each_group_member (ev2, leader) {
perf_stat__print_shadow_stats(&stat_config, ev2,
evsel_script(ev2)->val,
sample->cpu,
&ctx,
NULL);
}
evsel_script(leader)->gnum = 0;
}
}
static bool show_event(struct perf_sample *sample,
struct evsel *evsel,
struct thread *thread,
struct addr_location *al,
struct addr_location *addr_al)
{
int depth = thread_stack__depth(thread, sample->cpu);
if (!symbol_conf.graph_function)
return true;
if (thread__filter(thread)) {
if (depth <= thread__filter_entry_depth(thread)) {
thread__set_filter(thread, false);
return false;
}
return true;
} else {
const char *s = symbol_conf.graph_function;
u64 ip;
const char *name = resolve_branch_sym(sample, evsel, thread, al, addr_al,
&ip);
unsigned nlen;
if (!name)
return false;
nlen = strlen(name);
while (*s) {
unsigned len = strcspn(s, ",");
if (nlen == len && !strncmp(name, s, len)) {
thread__set_filter(thread, true);
thread__set_filter_entry_depth(thread, depth);
return true;
}
s += len;
if (*s == ',')
s++;
}
return false;
}
}
static void process_event(struct perf_script *script,
struct perf_sample *sample, struct evsel *evsel,
struct addr_location *al,
struct addr_location *addr_al,
struct machine *machine)
{
struct thread *thread = al->thread;
struct perf_event_attr *attr = &evsel->core.attr;
unsigned int type = output_type(attr->type);
struct evsel_script *es = evsel->priv;
FILE *fp = es->fp;
char str[PAGE_SIZE_NAME_LEN];
const char *arch = perf_env__arch(machine->env);
if (output[type].fields == 0)
return;
++es->samples;
perf_sample__fprintf_start(script, sample, thread, evsel,
PERF_RECORD_SAMPLE, fp);
if (PRINT_FIELD(PERIOD))
fprintf(fp, "%10" PRIu64 " ", sample->period);
if (PRINT_FIELD(EVNAME)) {
const char *evname = evsel__name(evsel);
if (!script->name_width)
script->name_width = evlist__max_name_len(script->session->evlist);
fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
}
if (print_flags)
perf_sample__fprintf_flags(sample->flags, fp);
if (is_bts_event(attr)) {
perf_sample__fprintf_bts(sample, evsel, thread, al, addr_al, machine, fp);
return;
}
#ifdef HAVE_LIBTRACEEVENT
if (PRINT_FIELD(TRACE) && sample->raw_data) {
event_format__fprintf(evsel->tp_format, sample->cpu,
sample->raw_data, sample->raw_size, fp);
}
#endif
if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
perf_sample__fprintf_synth(sample, evsel, fp);
if (PRINT_FIELD(ADDR))
perf_sample__fprintf_addr(sample, thread, attr, fp);
if (PRINT_FIELD(DATA_SRC))
data_src__fprintf(sample->data_src, fp);
if (PRINT_FIELD(WEIGHT))
fprintf(fp, "%16" PRIu64, sample->weight);
if (PRINT_FIELD(INS_LAT))
fprintf(fp, "%16" PRIu16, sample->ins_lat);
if (PRINT_FIELD(RETIRE_LAT))
fprintf(fp, "%16" PRIu16, sample->retire_lat);
if (PRINT_FIELD(CGROUP)) {
const char *cgrp_name;
struct cgroup *cgrp = cgroup__find(machine->env,
sample->cgroup);
if (cgrp != NULL)
cgrp_name = cgrp->name;
else
cgrp_name = "unknown";
fprintf(fp, " %s", cgrp_name);
}
if (PRINT_FIELD(IP)) {
struct callchain_cursor *cursor = NULL;
if (script->stitch_lbr)
thread__set_lbr_stitch_enable(al->thread, true);
if (symbol_conf.use_callchain && sample->callchain) {
cursor = get_tls_callchain_cursor();
if (thread__resolve_callchain(al->thread, cursor, evsel,
sample, NULL, NULL,
scripting_max_stack))
cursor = NULL;
}
fputc(cursor ? '\n' : ' ', fp);
sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
symbol_conf.bt_stop_list, fp);
}
if (PRINT_FIELD(IREGS))
perf_sample__fprintf_iregs(sample, attr, arch, fp);
if (PRINT_FIELD(UREGS))
perf_sample__fprintf_uregs(sample, attr, arch, fp);
if (PRINT_FIELD(BRSTACK))
perf_sample__fprintf_brstack(sample, thread, attr, fp);
else if (PRINT_FIELD(BRSTACKSYM))
perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
else if (PRINT_FIELD(BRSTACKOFF))
perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
if (evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
perf_sample__fprintf_bpf_output(sample, fp);
perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
if (PRINT_FIELD(PHYS_ADDR))
fprintf(fp, "%16" PRIx64, sample->phys_addr);
if (PRINT_FIELD(DATA_PAGE_SIZE))
fprintf(fp, " %s", get_page_size_name(sample->data_page_size, str));
if (PRINT_FIELD(CODE_PAGE_SIZE))
fprintf(fp, " %s", get_page_size_name(sample->code_page_size, str));
perf_sample__fprintf_ipc(sample, attr, fp);
fprintf(fp, "\n");
if (PRINT_FIELD(SRCCODE)) {
if (map__fprintf_srccode(al->map, al->addr, stdout,
thread__srccode_state(thread)))
printf("\n");
}
if (PRINT_FIELD(METRIC))
perf_sample__fprint_metric(script, thread, evsel, sample, fp);
if (verbose > 0)
fflush(fp);
}
static struct scripting_ops *scripting_ops;
static void __process_stat(struct evsel *counter, u64 tstamp)
{
int nthreads = perf_thread_map__nr(counter->core.threads);
int idx, thread;
struct perf_cpu cpu;
static int header_printed;
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++) {
perf_cpu_map__for_each_cpu(cpu, idx, evsel__cpus(counter)) {
struct perf_counts_values *counts;
counts = perf_counts(counter->counts, idx, thread);
printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
cpu.cpu,
perf_thread_map__pid(counter->core.threads, thread),
counts->val,
counts->ena,
counts->run,
tstamp,
evsel__name(counter));
}
}
}
static void process_stat(struct evsel *counter, u64 tstamp)
{
if (scripting_ops && scripting_ops->process_stat)
scripting_ops->process_stat(&stat_config, counter, tstamp);
else
__process_stat(counter, tstamp);
}
static void process_stat_interval(u64 tstamp)
{
if (scripting_ops && scripting_ops->process_stat_interval)
scripting_ops->process_stat_interval(tstamp);
}
static void setup_scripting(void)
{
#ifdef HAVE_LIBTRACEEVENT
setup_perl_scripting();
#endif
setup_python_scripting();
}
static int flush_scripting(void)
{
return scripting_ops ? scripting_ops->flush_script() : 0;
}
static int cleanup_scripting(void)
{
pr_debug("\nperf script stopped\n");
return scripting_ops ? scripting_ops->stop_script() : 0;
}
static bool filter_cpu(struct perf_sample *sample)
{
if (cpu_list && sample->cpu != (u32)-1)
return !test_bit(sample->cpu, cpu_bitmap);
return false;
}
static int process_sample_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct evsel *evsel,
struct machine *machine)
{
struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct addr_location al;
struct addr_location addr_al;
int ret = 0;
/* Set thread to NULL to indicate addr_al and al are not initialized */
addr_location__init(&al);
addr_location__init(&addr_al);
ret = dlfilter__filter_event_early(dlfilter, event, sample, evsel, machine, &al, &addr_al);
if (ret) {
if (ret > 0)
ret = 0;
goto out_put;
}
if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
sample->time)) {
goto out_put;
}
if (debug_mode) {
if (sample->time < last_timestamp) {
pr_err("Samples misordered, previous: %" PRIu64
" this: %" PRIu64 "\n", last_timestamp,
sample->time);
nr_unordered++;
}
last_timestamp = sample->time;
goto out_put;
}
if (filter_cpu(sample))
goto out_put;
if (!al.thread && machine__resolve(machine, &al, sample) < 0) {
pr_err("problem processing %d event, skipping it.\n",
event->header.type);
ret = -1;
goto out_put;
}
if (al.filtered)
goto out_put;
if (!show_event(sample, evsel, al.thread, &al, &addr_al))
goto out_put;
if (evswitch__discard(&scr->evswitch, evsel))
goto out_put;
ret = dlfilter__filter_event(dlfilter, event, sample, evsel, machine, &al, &addr_al);
if (ret) {
if (ret > 0)
ret = 0;
goto out_put;
}
if (scripting_ops) {
struct addr_location *addr_al_ptr = NULL;
if ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
sample_addr_correlates_sym(&evsel->core.attr)) {
if (!addr_al.thread)
thread__resolve(al.thread, &addr_al, sample);
addr_al_ptr = &addr_al;
}
scripting_ops->process_event(event, sample, evsel, &al, addr_al_ptr);
} else {
process_event(scr, sample, evsel, &al, &addr_al, machine);
}
out_put:
addr_location__exit(&addr_al);
addr_location__exit(&al);
return ret;
}
// Used when scr->per_event_dump is not set
static struct evsel_script es_stdout;
static int process_attr(struct perf_tool *tool, union perf_event *event,
struct evlist **pevlist)
{
struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct evlist *evlist;
struct evsel *evsel, *pos;
u64 sample_type;
int err;
err = perf_event__process_attr(tool, event, pevlist);
if (err)
return err;
evlist = *pevlist;
evsel = evlist__last(*pevlist);
if (!evsel->priv) {
if (scr->per_event_dump) {
evsel->priv = evsel_script__new(evsel, scr->session->data);
if (!evsel->priv)
return -ENOMEM;
} else { // Replicate what is done in perf_script__setup_per_event_dump()
es_stdout.fp = stdout;
evsel->priv = &es_stdout;
}
}
if (evsel->core.attr.type >= PERF_TYPE_MAX &&
evsel->core.attr.type != PERF_TYPE_SYNTH)
return 0;
evlist__for_each_entry(evlist, pos) {
if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
return 0;
}
if (evsel->core.attr.sample_type) {
err = evsel__check_attr(evsel, scr->session);
if (err)
return err;
}
/*
* Check if we need to enable callchains based
* on events sample_type.
*/
sample_type = evlist__combined_sample_type(evlist);
callchain_param_setup(sample_type, perf_env__arch((*pevlist)->env));
/* Enable fields for callchain entries */
if (symbol_conf.use_callchain &&
(sample_type & PERF_SAMPLE_CALLCHAIN ||
sample_type & PERF_SAMPLE_BRANCH_STACK ||
(sample_type & PERF_SAMPLE_REGS_USER &&
sample_type & PERF_SAMPLE_STACK_USER))) {
int type = output_type(evsel->core.attr.type);
if (!(output[type].user_unset_fields & PERF_OUTPUT_IP))
output[type].fields |= PERF_OUTPUT_IP;
if (!(output[type].user_unset_fields & PERF_OUTPUT_SYM))
output[type].fields |= PERF_OUTPUT_SYM;
}
set_print_ip_opts(&evsel->core.attr);
return 0;
}
static int print_event_with_time(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine,
pid_t pid, pid_t tid, u64 timestamp)
{
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
struct evsel *evsel = evlist__id2evsel(session->evlist, sample->id);
struct thread *thread = NULL;
if (evsel && !evsel->core.attr.sample_id_all) {
sample->cpu = 0;
sample->time = timestamp;
sample->pid = pid;
sample->tid = tid;
}
if (filter_cpu(sample))
return 0;
if (tid != -1)
thread = machine__findnew_thread(machine, pid, tid);
if (evsel) {
perf_sample__fprintf_start(script, sample, thread, evsel,
event->header.type, stdout);
}
perf_event__fprintf(event, machine, stdout);
thread__put(thread);
return 0;
}
static int print_event(struct perf_tool *tool, union perf_event *event,
struct perf_sample *sample, struct machine *machine,
pid_t pid, pid_t tid)
{
return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
}
static int process_comm_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_comm(tool, event, sample, machine) < 0)
return -1;
return print_event(tool, event, sample, machine, event->comm.pid,
event->comm.tid);
}
static int process_namespaces_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
return -1;
return print_event(tool, event, sample, machine, event->namespaces.pid,
event->namespaces.tid);
}
static int process_cgroup_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
return -1;
return print_event(tool, event, sample, machine, sample->pid,
sample->tid);
}
static int process_fork_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_fork(tool, event, sample, machine) < 0)
return -1;
return print_event_with_time(tool, event, sample, machine,
event->fork.pid, event->fork.tid,
event->fork.time);
}
static int process_exit_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
/* Print before 'exit' deletes anything */
if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
event->fork.tid, event->fork.time))
return -1;
return perf_event__process_exit(tool, event, sample, machine);
}
static int process_mmap_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_mmap(tool, event, sample, machine) < 0)
return -1;
return print_event(tool, event, sample, machine, event->mmap.pid,
event->mmap.tid);
}
static int process_mmap2_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
return -1;
return print_event(tool, event, sample, machine, event->mmap2.pid,
event->mmap2.tid);
}
static int process_switch_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);
if (perf_event__process_switch(tool, event, sample, machine) < 0)
return -1;
if (scripting_ops && scripting_ops->process_switch && !filter_cpu(sample))
scripting_ops->process_switch(event, sample, machine);
if (!script->show_switch_events)
return 0;
return print_event(tool, event, sample, machine, sample->pid,
sample->tid);
}
static int process_auxtrace_error(struct perf_session *session,
union perf_event *event)
{
if (scripting_ops && scripting_ops->process_auxtrace_error) {
scripting_ops->process_auxtrace_error(session, event);
return 0;
}
return perf_event__process_auxtrace_error(session, event);
}
static int
process_lost_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
return print_event(tool, event, sample, machine, sample->pid,
sample->tid);
}
static int
process_throttle_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (scripting_ops && scripting_ops->process_throttle)
scripting_ops->process_throttle(event, sample, machine);
return 0;
}
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, NULL, stdout);
return 0;
}
static int
process_bpf_events(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (machine__process_ksymbol(machine, event, sample) < 0)
return -1;
return print_event(tool, event, sample, machine, sample->pid,
sample->tid);
}
static int process_text_poke_events(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
if (perf_event__process_text_poke(tool, event, sample, machine) < 0)
return -1;
return print_event(tool, event, sample, machine, sample->pid,
sample->tid);
}
static void sig_handler(int sig __maybe_unused)
{
session_done = 1;
}
static void perf_script__fclose_per_event_dump(struct perf_script *script)
{
struct evlist *evlist = script->session->evlist;
struct evsel *evsel;
evlist__for_each_entry(evlist, evsel) {
if (!evsel->priv)
break;
evsel_script__delete(evsel->priv);
evsel->priv = NULL;
}
}
static int perf_script__fopen_per_event_dump(struct perf_script *script)
{
struct evsel *evsel;
evlist__for_each_entry(script->session->evlist, evsel) {
/*
* 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 synthesized from the auxtrace info.
*
* Ses perf_script__process_auxtrace_info.
*/
if (evsel->priv != NULL)
continue;
evsel->priv = evsel_script__new(evsel, script->session->data);
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 evsel *evsel;
if (script->per_event_dump)
return perf_script__fopen_per_event_dump(script);
es_stdout.fp = stdout;
evlist__for_each_entry(script->session->evlist, evsel)
evsel->priv = &es_stdout;
return 0;
}
static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
{
struct evsel *evsel;
evlist__for_each_entry(script->session->evlist, evsel) {
struct evsel_script *es = evsel->priv;
evsel_script__fprintf(es, stdout);
evsel_script__delete(es);
evsel->priv = NULL;
}
}
static void perf_script__exit(struct perf_script *script)
{
perf_thread_map__put(script->threads);
perf_cpu_map__put(script->cpus);
}
static int __cmd_script(struct perf_script *script)
{
int ret;
signal(SIGINT, sig_handler);
/* 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;
}
if (script->show_mmap_events) {
script->tool.mmap = process_mmap_event;
script->tool.mmap2 = process_mmap2_event;
}
if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
script->tool.context_switch = process_switch_event;
if (scripting_ops && scripting_ops->process_auxtrace_error)
script->tool.auxtrace_error = process_auxtrace_error;
if (script->show_namespace_events)
script->tool.namespaces = process_namespaces_event;
if (script->show_cgroup_events)
script->tool.cgroup = process_cgroup_event;
if (script->show_lost_events)
script->tool.lost = process_lost_event;
if (script->show_round_events) {
script->tool.ordered_events = false;
script->tool.finished_round = process_finished_round_event;
}
if (script->show_bpf_events) {
script->tool.ksymbol = process_bpf_events;
script->tool.bpf = process_bpf_events;
}
if (script->show_text_poke_events) {
script->tool.ksymbol = process_bpf_events;
script->tool.text_poke = process_text_poke_events;
}
if (perf_script__setup_per_event_dump(script)) {
pr_err("Couldn't create the per event dump files\n");
return -1;
}
ret = perf_session__process_events(script->session);
if (script->per_event_dump)
perf_script__exit_per_event_dump_stats(script);
if (debug_mode)
pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
return ret;
}
struct script_spec {
struct list_head node;
struct scripting_ops *ops;
char spec[];
};
static LIST_HEAD(script_specs);
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;
s = script_spec__new(spec, ops);
if (!s)
return -1;
else
script_spec__add(s);
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 "
"perf script -s [spec:]script.[spec]):\n\n");
list_for_each_entry(s, &script_specs, node)
fprintf(stderr, " %-42s [%s]\n", s->spec, s->ops->name);
fprintf(stderr, "\n");
}
/* Find script file relative to current directory or exec path */
static char *find_script(const char *script)
{
char path[PATH_MAX];
if (!scripting_ops) {
const char *ext = strrchr(script, '.');
if (!ext)
return NULL;
scripting_ops = script_spec__lookup(++ext);
if (!scripting_ops)
return NULL;
}
if (access(script, R_OK)) {
char *exec_path = get_argv_exec_path();
if (!exec_path)
return NULL;
snprintf(path, sizeof(path), "%s/scripts/%s/%s",
exec_path, scripting_ops->dirname, script);
free(exec_path);
script = path;
if (access(script, R_OK))
return NULL;
}
return strdup(script);
}
static int parse_scriptname(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
char spec[PATH_MAX];
const char *script, *ext;
int len;
if (strcmp(str, "lang") == 0) {
list_available_languages();
exit(0);
}
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;
ext = strrchr(script, '.');
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 = find_script(script);
if (!script_name)
script_name = strdup(script);
return 0;
}
static int parse_output_fields(const struct option *opt __maybe_unused,
const char *arg, int unset __maybe_unused)
{
char *tok, *strtok_saveptr = NULL;
int i, imax = ARRAY_SIZE(all_output_options);
int j;
int rc = 0;
char *str = strdup(arg);
int type = -1;
enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
if (!str)
return -ENOMEM;
/* 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.
*/
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;
else if (!strcmp(str, "raw"))
type = PERF_TYPE_RAW;
else if (!strcmp(str, "break"))
type = PERF_TYPE_BREAKPOINT;
else if (!strcmp(str, "synth"))
type = OUTPUT_TYPE_SYNTH;
else {
fprintf(stderr, "Invalid event type in field string.\n");
rc = -EINVAL;
goto out;
}
if (output[type].user_set)
pr_warning("Overriding previous field request for %s events.\n",
event_type(type));
/* Don't override defaults for +- */
if (strchr(tok, '+') || strchr(tok, '-'))
goto parse;
output[type].fields = 0;
output[type].user_set = true;
output[type].wildcard_set = false;
} else {
tok = str;
if (strlen(str) == 0) {
fprintf(stderr,
"Cannot set fields to 'none' for all event types.\n");
rc = -EINVAL;
goto out;
}
/* Don't override defaults for +- */
if (strchr(str, '+') || strchr(str, '-'))
goto parse;
if (output_set_by_user())
pr_warning("Overriding previous field request for all events.\n");
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
output[j].fields = 0;
output[j].user_set = true;
output[j].wildcard_set = true;
}
}
parse:
for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
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;
}
for (i = 0; i < imax; ++i) {
if (strcmp(tok, all_output_options[i].str) == 0)
break;
}
if (i == imax && strcmp(tok, "flags") == 0) {
print_flags = change != REMOVE;
continue;
}
if (i == imax) {
fprintf(stderr, "Invalid field requested.\n");
rc = -EINVAL;
goto out;
}
if (type == -1) {
/* add user option to all events types for
* which it is valid
*/
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
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));
} else {
if (change == REMOVE) {
output[j].fields &= ~all_output_options[i].field;
output[j].user_set_fields &= ~all_output_options[i].field;
output[j].user_unset_fields |= all_output_options[i].field;
} else {
output[j].fields |= all_output_options[i].field;
output[j].user_set_fields |= all_output_options[i].field;
output[j].user_unset_fields &= ~all_output_options[i].field;
}
output[j].user_set = true;
output[j].wildcard_set = true;
}
}
} 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;
}
if (change == REMOVE)
output[type].fields &= ~all_output_options[i].field;
else
output[type].fields |= all_output_options[i].field;
output[type].user_set = true;
output[type].wildcard_set = true;
}
}
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));
}
}
goto out;
out_badmix:
fprintf(stderr, "Cannot mix +-field with overridden fields\n");
rc = -EINVAL;
out:
free(str);
return rc;
}
#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)))
#define RECORD_SUFFIX "-record"
#define REPORT_SUFFIX "-report"
struct script_desc {
struct list_head node;
char *name;
char *half_liner;
char *args;
};
static LIST_HEAD(script_descs);
static struct script_desc *script_desc__new(const char *name)
{
struct script_desc *s = zalloc(sizeof(*s));
if (s != NULL && name)
s->name = strdup(name);
return s;
}
static void script_desc__delete(struct script_desc *s)
{
zfree(&s->name);
zfree(&s->half_liner);
zfree(&s->args);
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)
return NULL;
script_desc__add(s);
return s;
}
static const char *ends_with(const char *str, const char *suffix)
{
size_t suffix_len = strlen(suffix);
const char *p = str;
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 = skip_spaces(line);
if (strlen(p) == 0)
continue;
if (*p != '#')
continue;
p++;
if (strlen(p) && *p == '!')
continue;
p = skip_spaces(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(skip_spaces(p));
continue;
}
if (!strncmp(p, "args:", strlen("args:"))) {
p += strlen("args:");
desc->args = strdup(skip_spaces(p));
continue;
}
}
fclose(fp);
return 0;
}
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;
}
static int list_available_scripts(const struct option *opt __maybe_unused,
const char *s __maybe_unused,
int unset __maybe_unused)
{
struct dirent *script_dirent, *lang_dirent;
char *buf, *scripts_path, *script_path, *lang_path, *first_half;
DIR *scripts_dir, *lang_dir;
struct script_desc *desc;
char *script_root;
buf = malloc(3 * MAXPATHLEN + BUFSIZ);
if (!buf) {
pr_err("malloc failed\n");
exit(-1);
}
scripts_path = buf;
script_path = buf + MAXPATHLEN;
lang_path = buf + 2 * MAXPATHLEN;
first_half = buf + 3 * MAXPATHLEN;
snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
scripts_dir = opendir(scripts_path);
if (!scripts_dir) {
fprintf(stdout,
"open(%s) failed.\n"
"Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
scripts_path);
free(buf);
exit(-1);
}
for_each_lang(scripts_path, scripts_dir, lang_dirent) {
scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
lang_dirent->d_name);
lang_dir = opendir(lang_path);
if (!lang_dir)
continue;
for_each_script(lang_path, lang_dir, script_dirent) {
script_root = get_script_root(script_dirent, REPORT_SUFFIX);
if (script_root) {
desc = script_desc__findnew(script_root);
scnprintf(script_path, MAXPATHLEN, "%s/%s",
lang_path, script_dirent->d_name);
read_script_info(desc, script_path);
free(script_root);
}
}
}
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 : "");
}
free(buf);
exit(0);
}
static int add_dlarg(const struct option *opt __maybe_unused,
const char *s, int unset __maybe_unused)
{
char *arg = strdup(s);
void *a;
if (!arg)
return -1;
a = realloc(dlargv, sizeof(dlargv[0]) * (dlargc + 1));
if (!a) {
free(arg);
return -1;
}
dlargv = a;
dlargv[dlargc++] = arg;
return 0;
}
static void free_dlarg(void)
{
while (dlargc--)
free(dlargv[dlargc]);
free(dlargv);
}
/*
* 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 complex 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 evsel *pos;
int match, len;
FILE *fp;
scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
fp = fopen(filename, "r");
if (!fp)
return -1;
while (fgets(line, sizeof(line), fp)) {
p = skip_spaces(line);
if (*p == '#')
continue;
while (strlen(p)) {
p = strstr(p, "-e");
if (!p)
break;
p += 2;
p = skip_spaces(p);
len = strcspn(p, " \t");
if (!len)
break;
snprintf(evname, len + 1, "%s", p);
match = 0;
evlist__for_each_entry(session->evlist, pos) {
if (!strcmp(evsel__name(pos), evname)) {
match = 1;
break;
}
}
if (!match) {
fclose(fp);
return -1;
}
}
}
fclose(fp);
return 0;
}
/*
* 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, int num,
int pathlen)
{
struct dirent *script_dirent, *lang_dirent;
char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
DIR *scripts_dir, *lang_dir;
struct perf_session *session;
struct perf_data data = {
.path = input_name,
.mode = PERF_DATA_MODE_READ,
};
char *temp;
int i = 0;
session = perf_session__new(&data, NULL);
if (IS_ERR(session))
return PTR_ERR(session);
snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
scripts_dir = opendir(scripts_path);
if (!scripts_dir) {
perf_session__delete(session);
return -1;
}
for_each_lang(scripts_path, scripts_dir, lang_dirent) {
scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
lang_dirent->d_name);
#ifndef HAVE_LIBPERL_SUPPORT
if (strstr(lang_path, "perl"))
continue;
#endif
#ifndef HAVE_LIBPYTHON_SUPPORT
if (strstr(lang_path, "python"))
continue;
#endif
lang_dir = opendir(lang_path);
if (!lang_dir)
continue;
for_each_script(lang_path, lang_dir, script_dirent) {
/* Skip those real time scripts: xxxtop.p[yl] */
if (strstr(script_dirent->d_name, "top."))
continue;
if (i >= num)
break;
snprintf(scripts_path_array[i], pathlen, "%s/%s",
lang_path,
script_dirent->d_name);
temp = strchr(script_dirent->d_name, '.');
snprintf(scripts_array[i],
(temp - script_dirent->d_name) + 1,
"%s", script_dirent->d_name);
if (check_ev_match(lang_path,
scripts_array[i], session))
continue;
i++;
}
closedir(lang_dir);
}
closedir(scripts_dir);
perf_session__delete(session);
return i;
}
static char *get_script_path(const char *script_root, const char *suffix)
{
struct dirent *script_dirent, *lang_dirent;
char scripts_path[MAXPATHLEN];
char script_path[MAXPATHLEN];
DIR *scripts_dir, *lang_dir;
char lang_path[MAXPATHLEN];
char *__script_root;
snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
scripts_dir = opendir(scripts_path);
if (!scripts_dir)
return NULL;
for_each_lang(scripts_path, scripts_dir, lang_dirent) {
scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
lang_dirent->d_name);
lang_dir = opendir(lang_path);
if (!lang_dir)
continue;
for_each_script(lang_path, lang_dir, script_dirent) {
__script_root = get_script_root(script_dirent, suffix);
if (__script_root && !strcmp(script_root, __script_root)) {
free(__script_root);
closedir(scripts_dir);
scnprintf(script_path, MAXPATHLEN, "%s/%s",
lang_path, script_dirent->d_name);
closedir(lang_dir);
return strdup(script_path);
}
free(__script_root);
}
closedir(lang_dir);
}
closedir(scripts_dir);
return NULL;
}
static bool is_top_script(const char *script_path)
{
return ends_with(script_path, "top") != NULL;
}
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;
}
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);
system_wide = (argc == 0);
return 0;
}
static void script__setup_sample_type(struct perf_script *script)
{
struct perf_session *session = script->session;
u64 sample_type = evlist__combined_sample_type(session->evlist);
callchain_param_setup(sample_type, perf_env__arch(session->machines.host.env));
if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
"Please apply --call-graph lbr when recording.\n");
script->stitch_lbr = false;
}
}
static int process_stat_round_event(struct perf_session *session,
union perf_event *event)
{
struct perf_record_stat_round *round = &event->stat_round;
struct evsel *counter;
evlist__for_each_entry(session->evlist, counter) {
perf_stat_process_counter(&stat_config, counter);
process_stat(counter, round->time);
}
process_stat_interval(round->time);
return 0;
}
static int process_stat_config_event(struct perf_session *session __maybe_unused,
union perf_event *event)
{
perf_event__read_stat_config(&stat_config, &event->stat_config);
/*
* Aggregation modes are not used since post-processing scripts are
* supposed to take care of such requirements
*/
stat_config.aggr_mode = AGGR_NONE;
return 0;
}
static int set_maps(struct perf_script *script)
{
struct 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->core, script->cpus, script->threads);
if (evlist__alloc_stats(&stat_config, evlist, /*alloc_raw=*/true))
return -ENOMEM;
script->allocated = true;
return 0;
}
static
int process_thread_map_event(struct perf_session *session,
union perf_event *event)
{
struct perf_tool *tool = session->tool;
struct perf_script *script = container_of(tool, struct perf_script, tool);
if (dump_trace)
perf_event__fprintf_thread_map(event, stdout);
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_session *session,
union perf_event *event)
{
struct perf_tool *tool = session->tool;
struct perf_script *script = container_of(tool, struct perf_script, tool);
if (dump_trace)
perf_event__fprintf_cpu_map(event, stdout);
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);
}
static int process_feature_event(struct perf_session *session,
union perf_event *event)
{
if (event->feat.feat_id < HEADER_LAST_FEATURE)
return perf_event__process_feature(session, event);
return 0;
}
#ifdef HAVE_AUXTRACE_SUPPORT
static int perf_script__process_auxtrace_info(struct perf_session *session,
union perf_event *event)
{
struct perf_tool *tool = session->tool;
int ret = perf_event__process_auxtrace_info(session, event);
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
static int parse_insn_trace(const struct option *opt __maybe_unused,
const char *str __maybe_unused,
int unset __maybe_unused)
{
parse_output_fields(NULL, "+insn,-event,-period", 0);
itrace_parse_synth_opts(opt, "i0ns", 0);
symbol_conf.nanosecs = true;
return 0;
}
static int parse_xed(const struct option *opt __maybe_unused,
const char *str __maybe_unused,
int unset __maybe_unused)
{
if (isatty(1))
force_pager("xed -F insn: -A -64 | less");
else
force_pager("xed -F insn: -A -64");
return 0;
}
static int parse_call_trace(const struct option *opt __maybe_unused,
const char *str __maybe_unused,
int unset __maybe_unused)
{
parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
itrace_parse_synth_opts(opt, "cewp", 0);
symbol_conf.nanosecs = true;
symbol_conf.pad_output_len_dso = 50;
return 0;
}
static int parse_callret_trace(const struct option *opt __maybe_unused,
const char *str __maybe_unused,
int unset __maybe_unused)
{
parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
itrace_parse_synth_opts(opt, "crewp", 0);
symbol_conf.nanosecs = true;
return 0;
}
int cmd_script(int argc, const char **argv)
{
bool show_full_info = false;
bool header = false;
bool header_only = false;
bool script_started = false;
bool unsorted_dump = false;
char *rec_script_path = NULL;
char *rep_script_path = NULL;
struct perf_session *session;
struct itrace_synth_opts itrace_synth_opts = {
.set = false,
.default_no_sample = true,
};
struct utsname uts;
char *script_path = NULL;
const char *dlfilter_file = NULL;
const char **__argv;
int i, j, err = 0;
struct perf_script script = {
.tool = {
.sample = process_sample_event,
.mmap = perf_event__process_mmap,
.mmap2 = perf_event__process_mmap2,
.comm = perf_event__process_comm,
.namespaces = perf_event__process_namespaces,
.cgroup = perf_event__process_cgroup,
.exit = perf_event__process_exit,
.fork = perf_event__process_fork,
.attr = process_attr,
.event_update = perf_event__process_event_update,
#ifdef HAVE_LIBTRACEEVENT
.tracing_data = perf_event__process_tracing_data,
#endif
.feature = process_feature_event,
.build_id = perf_event__process_build_id,
.id_index = perf_event__process_id_index,
.auxtrace_info = perf_script__process_auxtrace_info,
.auxtrace = perf_event__process_auxtrace,
.auxtrace_error = perf_event__process_auxtrace_error,
.stat = perf_event__process_stat_event,
.stat_round = process_stat_round_event,
.stat_config = process_stat_config_event,
.thread_map = process_thread_map_event,
.cpu_map = process_cpu_map_event,
.throttle = process_throttle_event,
.unthrottle = process_throttle_event,
.ordered_events = true,
.ordering_requires_timestamps = true,
},
};
struct perf_data data = {
.mode = PERF_DATA_MODE_READ,
};
const struct option options[] = {
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
"dump raw trace in ASCII"),
OPT_BOOLEAN(0, "dump-unsorted-raw-trace", &unsorted_dump,
"dump unsorted raw trace in ASCII"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
OPT_BOOLEAN('L', "Latency", &latency_format,
"show latency attributes (irqs/preemption disabled, etc)"),
OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
list_available_scripts),
OPT_CALLBACK_NOOPT(0, "list-dlfilters", NULL, NULL, "list available dlfilters",
list_available_dlfilters),
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",
"generate perf-script.xx script in specified language"),
OPT_STRING(0, "dlfilter", &dlfilter_file, "file", "filter .so file name"),
OPT_CALLBACK(0, "dlarg", NULL, "argument", "filter argument",
add_dlarg),
OPT_STRING('i', "input", &input_name, "file", "input file name"),
OPT_BOOLEAN('d', "debug-mode", &debug_mode,
"do various checks like samples ordering and lost events"),
OPT_BOOLEAN(0, "header", &header, "Show data header."),
OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
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"),
OPT_CALLBACK(0, "symfs", NULL, "directory",
"Look for files with symbols relative to this directory",
symbol__config_symfs),
OPT_CALLBACK('F', "fields", NULL, "str",
"comma separated output fields prepend with 'type:'. "
"+field to add and -field to remove."
"Valid types: hw,sw,trace,raw,synth. "
"Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,dsoff,"
"addr,symoff,srcline,period,iregs,uregs,brstack,"
"brstacksym,flags,data_src,weight,bpf-output,brstackinsn,"
"brstackinsnlen,brstackoff,callindent,insn,insnlen,synth,"
"phys_addr,metric,misc,srccode,ipc,tod,data_page_size,"
"code_page_size,ins_lat,machine_pid,vcpu,cgroup,retire_lat",
parse_output_fields),
OPT_BOOLEAN('a', "all-cpus", &system_wide,
"system-wide collection from all CPUs"),
OPT_STRING(0, "dsos", &symbol_conf.dso_list_str, "dso[,dso...]",
"only consider symbols in these DSOs"),
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
OPT_INTEGER(0, "addr-range", &symbol_conf.addr_range,
"Use with -S to list traced records within address range"),
OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
"Decode instructions from itrace", parse_insn_trace),
OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
"Run xed disassembler on output", parse_xed),
OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
"Decode calls from itrace", parse_call_trace),
OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
"Decode calls and returns from itrace", parse_callret_trace),
OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
"Only print symbols and callees with --call-trace/--call-ret-trace"),
OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
"Stop display of callgraph at these symbols"),
OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
"only display events for these comms"),
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"),
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. "
"Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
OPT_BOOLEAN('I', "show-info", &show_full_info,
"display extended information from perf.data file"),
OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
"Show the path of [kernel.kallsyms]"),
OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
"Show the fork/comm/exit events"),
OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
"Show the mmap events"),
OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
"Show context switch events (if recorded)"),
OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
"Show namespace events (if recorded)"),
OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
"Show cgroup events (if recorded)"),
OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
"Show lost events (if recorded)"),
OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
"Show round events (if recorded)"),
OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
"Show bpf related events (if recorded)"),
OPT_BOOLEAN('\0', "show-text-poke-events", &script.show_text_poke_events,
"Show text poke related events (if recorded)"),
OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
"Dump trace output to files named by the monitored events"),
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
OPT_INTEGER(0, "max-blocks", &max_blocks,
"Maximum number of code blocks to dump with brstackinsn"),
OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
"Use 9 decimal places when displaying time"),
OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
"Instruction Tracing options\n" ITRACE_HELP,
itrace_parse_synth_opts),
OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
"Show full source file name path for source lines"),
OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
"Enable symbol demangling"),
OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
"Enable kernel symbol demangling"),
OPT_STRING(0, "time", &script.time_str, "str",
"Time span of interest (start,stop)"),
OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
"Show inline function"),
OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
"guest mount directory under which every guest os"
" instance has a subdir"),
OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
"file", "file saving guest os vmlinux"),
OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
"file", "file saving guest os /proc/kallsyms"),
OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
"file", "file saving guest os /proc/modules"),
OPT_BOOLEAN(0, "guest-code", &symbol_conf.guest_code,
"Guest code can be found in hypervisor process"),
OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
"Enable LBR callgraph stitching approach"),
OPTS_EVSWITCH(&script.evswitch),
OPT_END()
};
const char * const script_subcommands[] = { "record", "report", NULL };
const char *script_usage[] = {
"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
};
perf_set_singlethreaded();
setup_scripting();
argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
if (symbol_conf.guestmount ||
symbol_conf.default_guest_vmlinux_name ||
symbol_conf.default_guest_kallsyms ||
symbol_conf.default_guest_modules ||
symbol_conf.guest_code) {
/*
* Enable guest sample processing.
*/
perf_guest = true;
}
data.path = input_name;
data.force = symbol_conf.force;
if (unsorted_dump) {
dump_trace = true;
script.tool.ordered_events = false;
}
if (symbol__validate_sym_arguments())
return -1;
if (argc > 1 && strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
if (!rec_script_path)
return cmd_record(argc, argv);
}
if (argc > 1 && strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
if (!rep_script_path) {
fprintf(stderr,
"Please specify a valid report script"
"(see 'perf script -l' for listing)\n");
return -1;
}
}
if (reltime && deltatime) {
fprintf(stderr,
"reltime and deltatime - the two don't get along well. "
"Please limit to --reltime or --deltatime.\n");
return -1;
}
if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
itrace_synth_opts.callchain_sz > scripting_max_stack)
scripting_max_stack = itrace_synth_opts.callchain_sz;
/* make sure PERF_EXEC_PATH is set for scripts */
set_argv_exec_path(get_argv_exec_path());
if (argc && !script_name && !rec_script_path && !rep_script_path) {
int live_pipe[2];
int rep_args;
pid_t pid;
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) {
script_name = find_script(argv[0]);
if (script_name) {
argc -= 1;
argv += 1;
goto script_found;
}
usage_with_options_msg(script_usage, options,
"Couldn't find script `%s'\n\n See perf"
" script -l for available scripts.\n", argv[0]);
}
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) {
usage_with_options_msg(script_usage, options,
"`%s' script requires options."
"\n\n See perf script -l for available "
"scripts and options.\n", argv[0]);
}
}
if (pipe(live_pipe) < 0) {
perror("failed to create pipe");
return -1;
}
pid = fork();
if (pid < 0) {
perror("failed to fork");
return -1;
}
if (!pid) {
j = 0;
dup2(live_pipe[1], 1);
close(live_pipe[0]);
if (is_top_script(argv[0])) {
system_wide = true;
} else if (!system_wide) {
if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
err = -1;
goto out;
}
}
__argv = malloc((argc + 6) * sizeof(const char *));
if (!__argv) {
pr_err("malloc failed\n");
err = -ENOMEM;
goto out;
}
__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;
execvp("/bin/sh", (char **)__argv);
free(__argv);
exit(-1);
}
dup2(live_pipe[0], 0);
close(live_pipe[1]);
__argv = malloc((argc + 4) * sizeof(const char *));
if (!__argv) {
pr_err("malloc failed\n");
err = -ENOMEM;
goto out;
}
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;
execvp("/bin/sh", (char **)__argv);
free(__argv);
exit(-1);
}
script_found:
if (rec_script_path)
script_path = rec_script_path;
if (rep_script_path)
script_path = rep_script_path;
if (script_path) {
j = 0;
if (!rec_script_path)
system_wide = false;
else if (!system_wide) {
if (have_cmd(argc - 1, &argv[1]) != 0) {
err = -1;
goto out;
}
}
__argv = malloc((argc + 2) * sizeof(const char *));
if (!__argv) {
pr_err("malloc failed\n");
err = -ENOMEM;
goto out;
}
__argv[j++] = "/bin/sh";
__argv[j++] = script_path;
if (system_wide)
__argv[j++] = "-a";
for (i = 2; i < argc; i++)
__argv[j++] = argv[i];
__argv[j++] = NULL;
execvp("/bin/sh", (char **)__argv);
free(__argv);
exit(-1);
}
if (dlfilter_file) {
dlfilter = dlfilter__new(dlfilter_file, dlargc, dlargv);
if (!dlfilter)
return -1;
}
if (!script_name) {
setup_pager();
use_browser = 0;
}
session = perf_session__new(&data, &script.tool);
if (IS_ERR(session))
return PTR_ERR(session);
if (header || header_only) {
script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
perf_session__fprintf_info(session, stdout, show_full_info);
if (header_only)
goto out_delete;
}
if (show_full_info)
script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
if (symbol__init(&session->header.env) < 0)
goto out_delete;
uname(&uts);
if (data.is_pipe) { /* Assume pipe_mode indicates native_arch */
native_arch = true;
} else if (session->header.env.arch) {
if (!strcmp(uts.machine, session->header.env.arch))
native_arch = true;
else if (!strcmp(uts.machine, "x86_64") &&
!strcmp(session->header.env.arch, "i386"))
native_arch = true;
}
script.session = session;
script__setup_sample_type(&script);
if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
symbol_conf.graph_function)
itrace_synth_opts.thread_stack = true;
session->itrace_synth_opts = &itrace_synth_opts;
if (cpu_list) {
err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
if (err < 0)
goto out_delete;
itrace_synth_opts.cpu_bitmap = cpu_bitmap;
}
if (!no_callchain)
symbol_conf.use_callchain = true;
else
symbol_conf.use_callchain = false;
#ifdef HAVE_LIBTRACEEVENT
if (session->tevent.pevent &&
tep_set_function_resolver(session->tevent.pevent,
machine__resolve_kernel_addr,
&session->machines.host) < 0) {
pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
err = -1;
goto out_delete;
}
#endif
if (generate_script_lang) {
struct stat perf_stat;
int input;
if (output_set_by_user()) {
fprintf(stderr,
"custom fields not supported for generated scripts");
err = -EINVAL;
goto out_delete;
}
input = open(data.path, O_RDONLY); /* input_name */
if (input < 0) {
err = -errno;
perror("failed to open file");
goto out_delete;
}
err = fstat(input, &perf_stat);
if (err < 0) {
perror("failed to stat file");
goto out_delete;
}
if (!perf_stat.st_size) {
fprintf(stderr, "zero-sized file, nothing to do!\n");
goto out_delete;
}
scripting_ops = script_spec__lookup(generate_script_lang);
if (!scripting_ops) {
fprintf(stderr, "invalid language specifier");
err = -ENOENT;
goto out_delete;
}
#ifdef HAVE_LIBTRACEEVENT
err = scripting_ops->generate_script(session->tevent.pevent,
"perf-script");
#else
err = scripting_ops->generate_script(NULL, "perf-script");
#endif
goto out_delete;
}
err = dlfilter__start(dlfilter, session);
if (err)
goto out_delete;
if (script_name) {
err = scripting_ops->start_script(script_name, argc, argv, session);
if (err)
goto out_delete;
pr_debug("perf script started with script %s\n\n", script_name);
script_started = true;
}
err = perf_session__check_output_opt(session);
if (err < 0)
goto out_delete;
if (script.time_str) {
err = perf_time__parse_for_ranges_reltime(script.time_str, session,
&script.ptime_range,
&script.range_size,
&script.range_num,
reltime);
if (err < 0)
goto out_delete;
itrace_synth_opts__set_time_range(&itrace_synth_opts,
script.ptime_range,
script.range_num);
}
err = evswitch__init(&script.evswitch, session->evlist, stderr);
if (err)
goto out_delete;
if (zstd_init(&(session->zstd_data), 0) < 0)
pr_warning("Decompression initialization failed. Reported data may be incomplete.\n");
err = __cmd_script(&script);
flush_scripting();
if (verbose > 2 || debug_kmaps)
perf_session__dump_kmaps(session);
out_delete:
if (script.ptime_range) {
itrace_synth_opts__clear_time_range(&itrace_synth_opts);
zfree(&script.ptime_range);
}
zstd_fini(&(session->zstd_data));
evlist__free_stats(session->evlist);
perf_session__delete(session);
perf_script__exit(&script);
if (script_started)
cleanup_scripting();
dlfilter__cleanup(dlfilter);
free_dlarg();
out:
return err;
}
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