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android-kvm / linux / 51859c5aa6daa96340a81a1ea2de1b48ccadccf1 / . / tools / perf / builtin-script.c
blob: c16224b1fef3fdebfaa8b01fa95e143aeb7491ab [file] [log] [blame]
// 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 "util/mem-info.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,
PERF_OUTPUT_DISASM = 1ULL << 42,
PERF_OUTPUT_BRSTACKDISASM = 1ULL << 43,
};
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 = "disasm", .field = PERF_OUTPUT_DISASM},
{.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},
{.str = "brstackdisasm", .field = PERF_OUTPUT_BRSTACKDISASM},
};
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) || PRINT_FIELD(BRSTACKDISASM))
&& !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) &&
!dso__adjust_symbols(map__dso(alf.map)))
from = map__dso_map_ip(alf.map, from);
if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
!dso__adjust_symbols(map__dso(alt.map)))
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(dso)->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(dso);
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 any_dump_insn(struct perf_event_attr *attr __maybe_unused,
struct perf_insn *x, uint64_t ip,
u8 *inbuf, int inlen, int *lenp,
FILE *fp)
{
#ifdef HAVE_LIBCAPSTONE_SUPPORT
if (PRINT_FIELD(BRSTACKDISASM)) {
int printed = fprintf_insn_asm(x->machine, x->thread, x->cpumode, x->is64bit,
(uint8_t *)inbuf, inlen, ip, lenp,
PRINT_INSN_IMM_HEX, fp);
if (printed > 0)
return printed;
}
#endif
return fprintf(fp, "%s", dump_insn(x, ip, inbuf, inlen, lenp));
}
static int add_padding(FILE *fp, int printed, int padding)
{
if (printed >= 0 && printed < padding)
printed += fprintf(fp, "%*s", padding - printed, "");
return printed;
}
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", ip);
printed += add_padding(fp, any_dump_insn(attr, x, ip, inbuf, len, &ilen, fp), 30);
printed += fprintf(fp, "\t");
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.machine = machine;
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", ip);
printed += any_dump_insn(attr, &x, ip, buffer + off, len - off, &ilen, fp);
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", sample->ip);
printed += any_dump_insn(attr, &x, sample->ip, buffer, len, &ilen, fp);
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", start + off);
printed += any_dump_insn(attr, &x, start + off, buffer + off, len - off, &ilen, fp);
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,
struct addr_location *al)
{
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(DISASM) && sample->insn_len) {
printed += fprintf(fp, "\t\t");
printed += sample__fprintf_insn_asm(sample, thread, machine, fp, al);
}
if (PRINT_FIELD(BRSTACKINSN) || PRINT_FIELD(BRSTACKINSNLEN) || PRINT_FIELD(BRSTACKDISASM))
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, al);
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 = mem_info__new();
char decode[100];
char out[100];
static int maxlen;
int len;
if (!mi)
return -ENOMEM;
mem_info__data_src(mi)->val = data_src;
perf_script__meminfo_scnprintf(decode, 100, mi);
mem_info__put(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, al);
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->