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builtin-script.c
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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/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 "ui/ui.h"
#include "print_binary.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/record.h"
#include "util/util.h"
#include "perf.h"
#include <linux/ctype.h>
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;
unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
enum perf_output_field {
PERF_OUTPUT_COMM = 1U << 0,
PERF_OUTPUT_TID = 1U << 1,
PERF_OUTPUT_PID = 1U << 2,
PERF_OUTPUT_TIME = 1U << 3,
PERF_OUTPUT_CPU = 1U << 4,
PERF_OUTPUT_EVNAME = 1U << 5,
PERF_OUTPUT_TRACE = 1U << 6,
PERF_OUTPUT_IP = 1U << 7,
PERF_OUTPUT_SYM = 1U << 8,
PERF_OUTPUT_DSO = 1U << 9,
PERF_OUTPUT_ADDR = 1U << 10,
PERF_OUTPUT_SYMOFFSET = 1U << 11,
PERF_OUTPUT_SRCLINE = 1U << 12,
PERF_OUTPUT_PERIOD = 1U << 13,
PERF_OUTPUT_IREGS = 1U << 14,
PERF_OUTPUT_BRSTACK = 1U << 15,
PERF_OUTPUT_BRSTACKSYM = 1U << 16,
PERF_OUTPUT_DATA_SRC = 1U << 17,
PERF_OUTPUT_WEIGHT = 1U << 18,
PERF_OUTPUT_BPF_OUTPUT = 1U << 19,
PERF_OUTPUT_CALLINDENT = 1U << 20,
PERF_OUTPUT_INSN = 1U << 21,
PERF_OUTPUT_INSNLEN = 1U << 22,
PERF_OUTPUT_BRSTACKINSN = 1U << 23,
PERF_OUTPUT_BRSTACKOFF = 1U << 24,
PERF_OUTPUT_SYNTH = 1U << 25,
PERF_OUTPUT_PHYS_ADDR = 1U << 26,
PERF_OUTPUT_UREGS = 1U << 27,
PERF_OUTPUT_METRIC = 1U << 28,
PERF_OUTPUT_MISC = 1U << 29,
PERF_OUTPUT_SRCCODE = 1U << 30,
PERF_OUTPUT_IPC = 1U << 31,
};
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 = "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},
};
enum {
OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
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;
} 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,
.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,
},
};
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 *perf_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, perf_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 perf_evsel_script__delete(struct evsel_script *es)
{
zfree(&es->filename);
fclose(es->fp);
es->fp = NULL;
free(es);
}
static int perf_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:
return type;
}
}
static inline unsigned int attr_type(unsigned int type)
{
switch (type) {
case OUTPUT_TYPE_SYNTH:
return PERF_TYPE_SYNTH;
default:
return type;
}
}
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 perf_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 = perf_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 = perf_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 perf_evsel__check_stype(struct evsel *evsel,
u64 sample_type, const char *sample_msg,
enum perf_output_field field)
{
return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
false);
}
static int perf_evsel__check_attr(struct evsel *evsel,
struct perf_session *session)
{
struct perf_event_attr *attr = &evsel->core.attr;
bool allow_user_set;
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 (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
PERF_OUTPUT_IP))
return -EINVAL;
}
if (PRINT_FIELD(ADDR) &&
perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
PERF_OUTPUT_ADDR, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(DATA_SRC) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
PERF_OUTPUT_DATA_SRC))
return -EINVAL;
if (PRINT_FIELD(WEIGHT) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
PERF_OUTPUT_WEIGHT))
return -EINVAL;
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) && !allow_user_set &&
!(perf_evlist__combined_branch_type(session->evlist) &
PERF_SAMPLE_BRANCH_ANY)) {
pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
"Hint: run 'perf record -b ...'\n");
return -EINVAL;
}
if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
PERF_OUTPUT_TID|PERF_OUTPUT_PID))
return -EINVAL;
if (PRINT_FIELD(TIME) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
PERF_OUTPUT_TIME))
return -EINVAL;
if (PRINT_FIELD(CPU) &&
perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
PERF_OUTPUT_CPU, allow_user_set))
return -EINVAL;
if (PRINT_FIELD(IREGS) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
PERF_OUTPUT_IREGS))
return -EINVAL;
if (PRINT_FIELD(UREGS) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
PERF_OUTPUT_UREGS))
return -EINVAL;
if (PRINT_FIELD(PHYS_ADDR) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
PERF_OUTPUT_PHYS_ADDR))
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(SYMOFFSET))
output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
if (PRINT_FIELD(SRCLINE))
output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
}
/*
* verify all user requested events exist and the samples
* have the expected data
*/
static int perf_session__check_output_opt(struct perf_session *session)
{
unsigned int j;
struct evsel *evsel;
for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
evsel = perf_session__find_first_evtype(session, attr_type(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 &&
perf_evsel__check_attr(evsel, session))
return -1;
if (evsel == NULL)
continue;
set_print_ip_opts(&evsel->core.attr);
}
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;
}
}
}
out:
return 0;
}
static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
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), val);
}
fprintf(fp, "\n");
return printed;
}
static int perf_sample__fprintf_iregs(struct perf_sample *sample,
struct perf_event_attr *attr, FILE *fp)
{
return perf_sample__fprintf_regs(&sample->intr_regs,
attr->sample_regs_intr, fp);
}
static int perf_sample__fprintf_uregs(struct perf_sample *sample,
struct perf_event_attr *attr, FILE *fp)
{
return perf_sample__fprintf_regs(&sample->user_regs,
attr->sample_regs_user, fp);
}
static int perf_sample__fprintf_start(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;
if (PRINT_FIELD(COMM)) {
if (latency_format)
printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
printed += fprintf(fp, "%s ", thread__comm_str(thread));
else
printed += fprintf(fp, "%16s ", thread__comm_str(thread));
}
if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
else if (PRINT_FIELD(PID))
printed += fprintf(fp, "%5d ", sample->pid);
else if (PRINT_FIELD(TID))
printed += fprintf(fp, "%5d ", 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(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 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);
struct addr_location alf, alt;
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;
if (PRINT_FIELD(DSO)) {
memset(&alf, 0, sizeof(alf));
memset(&alt, 0, sizeof(alt));
thread__find_map_fb(thread, sample->cpumode, from, &alf);
thread__find_map_fb(thread, sample->cpumode, to, &alt);
}
printed += fprintf(fp, " 0x%"PRIx64, from);
if (PRINT_FIELD(DSO)) {
printed += fprintf(fp, "(");
printed += map__fprintf_dsoname(alf.map, fp);
printed += fprintf(fp, ")");
}
printed += fprintf(fp, "/0x%"PRIx64, to);
if (PRINT_FIELD(DSO)) {
printed += fprintf(fp, "(");
printed += map__fprintf_dsoname(alt.map, fp);
printed += fprintf(fp, ")");
}
printed += fprintf(fp, "/%c/%c/%c/%d ",
mispred_str(entries + i),
entries[i].flags.in_tx ? 'X' : '-',
entries[i].flags.abort ? 'A' : '-',
entries[i].flags.cycles);
}
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);
struct addr_location alf, alt;
u64 i, from, to;
int printed = 0;
if (!(br && br->nr))
return 0;
for (i = 0; i < br->nr; i++) {
memset(&alf, 0, sizeof(alf));
memset(&alt, 0, sizeof(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 += fprintf(fp, "(");
printed += map__fprintf_dsoname(alf.map, fp);
printed += fprintf(fp, ")");
}
printed += fprintf(fp, "%c", '/');
printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
if (PRINT_FIELD(DSO)) {
printed += fprintf(fp, "(");
printed += map__fprintf_dsoname(alt.map, fp);
printed += fprintf(fp, ")");
}
printed += fprintf(fp, "/%c/%c/%c/%d ",
mispred_str(entries + i),
entries[i].flags.in_tx ? 'X' : '-',
entries[i].flags.abort ? 'A' : '-',
entries[i].flags.cycles);
}
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);
struct addr_location alf, alt;
u64 i, from, to;
int printed = 0;
if (!(br && br->nr))
return 0;
for (i = 0; i < br->nr; i++) {
memset(&alf, 0, sizeof(alf));
memset(&alt, 0, sizeof(alt));
from = entries[i].from;
to = entries[i].to;
if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
!alf.map->dso->adjust_symbols)
from = map__map_ip(alf.map, from);
if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
!alt.map->dso->adjust_symbols)
to = map__map_ip(alt.map, to);
printed += fprintf(fp, " 0x%"PRIx64, from);
if (PRINT_FIELD(DSO)) {
printed += fprintf(fp, "(");
printed += map__fprintf_dsoname(alf.map, fp);
printed += fprintf(fp, ")");
}
printed += fprintf(fp, "/0x%"PRIx64, to);
if (PRINT_FIELD(DSO)) {
printed += fprintf(fp, "(");
printed += map__fprintf_dsoname(alt.map, fp);
printed += fprintf(fp, ")");
}
printed += fprintf(fp, "/%c/%c/%c/%d ",
mispred_str(entries + i),
entries[i].flags.in_tx ? 'X' : '-',
entries[i].flags.abort ? 'A' : '-',
entries[i].flags.cycles);
}
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;
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;
}
memset(&al, 0, sizeof(al));
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;
}
if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
return 0;
}
if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
return 0;
}
/* Load maps to ensure dso->is_64_bit has been updated */
map__load(al.map);
offset = al.map->map_ip(al.map, start);
len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
end - start + MAXINSN);
*is64bit = al.map->dso->is_64_bit;
if (len <= 0)
pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
start, end);
return len;
}
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;
if (!map || !map->dso)
return 0;
srcfile = get_srcline_split(map->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;
memset(&al, 0, sizeof(al));
thread__find_map(thread, cpumode, addr, &al);
if (!al.map)
return 0;
ret = map__fprintf_srccode(al.map, al.addr, stdout,
&thread->srccode_state);
if (ret)