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builtin-script.c
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builtin-script.c
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#include "builtin.h"
#include "perf.h"
#include "util/cache.h"
#include "util/debug.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/symbol.h"
#include "util/thread.h"
#include "util/trace-event.h"
#include "util/util.h"
#include "util/evlist.h"
#include "util/evsel.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 <linux/bitmap.h>
#include <linux/stringify.h>
#include "asm/bug.h"
#include "util/mem-events.h"
static char const *script_name;
static char const *generate_script_lang;
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 bool nanosecs;
static const char *cpu_list;
static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
static struct perf_stat_config stat_config;
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,
};
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 = "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},
};
/* 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;
} output[PERF_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_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_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_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_DSO |
PERF_OUTPUT_PERIOD | PERF_OUTPUT_ADDR |
PERF_OUTPUT_DATA_SRC | PERF_OUTPUT_WEIGHT,
.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_DSO |
PERF_OUTPUT_PERIOD,
.invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
},
};
static bool output_set_by_user(void)
{
int j;
for (j = 0; j < PERF_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[attr->type].fields & PERF_OUTPUT_##x)
static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
u64 sample_type, const char *sample_msg,
enum perf_output_field field,
bool allow_user_set)
{
struct perf_event_attr *attr = &evsel->attr;
int type = attr->type;
const char *evname;
if (attr->sample_type & sample_type)
return 0;
if (output[type].user_set) {
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 perf_evsel *evsel,
u64 sample_type, const char *sample_msg,
enum perf_output_field field)
{
return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
false);
}
static int perf_evsel__check_attr(struct perf_evsel *evsel,
struct perf_session *session)
{
struct perf_event_attr *attr = &evsel->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) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
pr_err("Display of symbols requested but neither sample IP nor "
"sample address\nis selected. Hence, no addresses to convert "
"to symbols.\n");
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) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) {
pr_err("Display of DSO requested but neither sample IP nor "
"sample address\nis selected. Hence, no addresses to convert "
"to DSO.\n");
return -EINVAL;
}
if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
pr_err("Display of source line number requested but sample IP is not\n"
"selected. Hence, no address to lookup the source line number.\n");
return -EINVAL;
}
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(PERIOD) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_PERIOD, "PERIOD",
PERF_OUTPUT_PERIOD))
return -EINVAL;
if (PRINT_FIELD(IREGS) &&
perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
PERF_OUTPUT_IREGS))
return -EINVAL;
return 0;
}
static void set_print_ip_opts(struct perf_event_attr *attr)
{
unsigned int 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)
{
int j;
struct perf_evsel *evsel;
for (j = 0; j < PERF_TYPE_MAX; ++j) {
evsel = perf_session__find_first_evtype(session, 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) {
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->attr);
}
if (!no_callchain) {
bool use_callchain = false;
evlist__for_each(session->evlist, evsel) {
if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
use_callchain = true;
break;
}
}
if (!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) {
struct perf_event_attr *attr;
j = PERF_TYPE_TRACEPOINT;
evsel = perf_session__find_first_evtype(session, j);
if (evsel == NULL)
goto out;
attr = &evsel->attr;
if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
output[j].fields |= PERF_OUTPUT_IP;
output[j].fields |= PERF_OUTPUT_SYM;
output[j].fields |= PERF_OUTPUT_DSO;
set_print_ip_opts(attr);
}
}
out:
return 0;
}
static void print_sample_iregs(struct perf_sample *sample,
struct perf_event_attr *attr)
{
struct regs_dump *regs = &sample->intr_regs;
uint64_t mask = attr->sample_regs_intr;
unsigned i = 0, r;
if (!regs)
return;
for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
u64 val = regs->regs[i++];
printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val);
}
}
static void print_sample_start(struct perf_sample *sample,
struct thread *thread,
struct perf_evsel *evsel)
{
struct perf_event_attr *attr = &evsel->attr;
unsigned long secs;
unsigned long usecs;
unsigned long long nsecs;
if (PRINT_FIELD(COMM)) {
if (latency_format)
printf("%8.8s ", thread__comm_str(thread));
else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
printf("%s ", thread__comm_str(thread));
else
printf("%16s ", thread__comm_str(thread));
}
if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
printf("%5d/%-5d ", sample->pid, sample->tid);
else if (PRINT_FIELD(PID))
printf("%5d ", sample->pid);
else if (PRINT_FIELD(TID))
printf("%5d ", sample->tid);
if (PRINT_FIELD(CPU)) {
if (latency_format)
printf("%3d ", sample->cpu);
else
printf("[%03d] ", sample->cpu);
}
if (PRINT_FIELD(TIME)) {
nsecs = sample->time;
secs = nsecs / NSECS_PER_SEC;
nsecs -= secs * NSECS_PER_SEC;
usecs = nsecs / NSECS_PER_USEC;
if (nanosecs)
printf("%5lu.%09llu: ", secs, nsecs);
else
printf("%5lu.%06lu: ", secs, usecs);
}
}
static inline char
mispred_str(struct branch_entry *br)
{
if (!(br->flags.mispred || br->flags.predicted))
return '-';
return br->flags.predicted ? 'P' : 'M';
}
static void print_sample_brstack(struct perf_sample *sample)
{
struct branch_stack *br = sample->branch_stack;
u64 i;
if (!(br && br->nr))
return;
for (i = 0; i < br->nr; i++) {
printf(" 0x%"PRIx64"/0x%"PRIx64"/%c/%c/%c/%d ",
br->entries[i].from,
br->entries[i].to,
mispred_str( br->entries + i),
br->entries[i].flags.in_tx? 'X' : '-',
br->entries[i].flags.abort? 'A' : '-',
br->entries[i].flags.cycles);
}
}
static void print_sample_brstacksym(struct perf_sample *sample,
struct thread *thread)
{
struct branch_stack *br = sample->branch_stack;
struct addr_location alf, alt;
u64 i, from, to;
if (!(br && br->nr))
return;
for (i = 0; i < br->nr; i++) {
memset(&alf, 0, sizeof(alf));
memset(&alt, 0, sizeof(alt));
from = br->entries[i].from;
to = br->entries[i].to;
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, from, &alf);
if (alf.map)
alf.sym = map__find_symbol(alf.map, alf.addr, NULL);
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
if (alt.map)
alt.sym = map__find_symbol(alt.map, alt.addr, NULL);
symbol__fprintf_symname_offs(alf.sym, &alf, stdout);
putchar('/');
symbol__fprintf_symname_offs(alt.sym, &alt, stdout);
printf("/%c/%c/%c/%d ",
mispred_str( br->entries + i),
br->entries[i].flags.in_tx? 'X' : '-',
br->entries[i].flags.abort? 'A' : '-',
br->entries[i].flags.cycles);
}
}
static void print_sample_addr(struct perf_sample *sample,
struct thread *thread,
struct perf_event_attr *attr)
{
struct addr_location al;
printf("%16" PRIx64, sample->addr);
if (!sample_addr_correlates_sym(attr))
return;
thread__resolve(thread, &al, sample);
if (PRINT_FIELD(SYM)) {
printf(" ");
if (PRINT_FIELD(SYMOFFSET))
symbol__fprintf_symname_offs(al.sym, &al, stdout);
else
symbol__fprintf_symname(al.sym, stdout);
}
if (PRINT_FIELD(DSO)) {
printf(" (");
map__fprintf_dsoname(al.map, stdout);
printf(")");
}
}
static void print_sample_bts(struct perf_sample *sample,
struct perf_evsel *evsel,
struct thread *thread,
struct addr_location *al)
{
struct perf_event_attr *attr = &evsel->attr;
bool print_srcline_last = false;
/* print branch_from information */
if (PRINT_FIELD(IP)) {
unsigned int print_opts = output[attr->type].print_ip_opts;
struct callchain_cursor *cursor = NULL;
if (symbol_conf.use_callchain && sample->callchain &&
thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
sample, NULL, NULL, scripting_max_stack) == 0)
cursor = &callchain_cursor;
if (cursor == NULL) {
putchar(' ');
if (print_opts & EVSEL__PRINT_SRCLINE) {
print_srcline_last = true;
print_opts &= ~EVSEL__PRINT_SRCLINE;
}
} else
putchar('\n');
sample__fprintf_sym(sample, al, 0, print_opts, cursor, stdout);
}
/* print branch_to information */
if (PRINT_FIELD(ADDR) ||
((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
!output[attr->type].user_set)) {
printf(" => ");
print_sample_addr(sample, thread, attr);
}
if (print_srcline_last)
map__fprintf_srcline(al->map, al->addr, "\n ", stdout);
printf("\n");
}
static void print_sample_flags(u32 flags)
{
const char *chars = PERF_IP_FLAG_CHARS;
const int n = strlen(PERF_IP_FLAG_CHARS);
char str[33];
int i, pos = 0;
for (i = 0; i < n; i++, flags >>= 1) {
if (flags & 1)
str[pos++] = chars[i];
}
for (; i < 32; i++, flags >>= 1) {
if (flags & 1)
str[pos++] = '?';
}
str[pos] = 0;
printf(" %-4s ", str);
}
struct printer_data {
int line_no;
bool hit_nul;
bool is_printable;
};
static void
print_sample_bpf_output_printer(enum binary_printer_ops op,
unsigned int val,
void *extra)
{
unsigned char ch = (unsigned char)val;
struct printer_data *printer_data = extra;
switch (op) {
case BINARY_PRINT_DATA_BEGIN:
printf("\n");
break;
case BINARY_PRINT_LINE_BEGIN:
printf("%17s", !printer_data->line_no ? "BPF output:" :
" ");
break;
case BINARY_PRINT_ADDR:
printf(" %04x:", val);
break;
case BINARY_PRINT_NUM_DATA:
printf(" %02x", val);
break;
case BINARY_PRINT_NUM_PAD:
printf(" ");
break;
case BINARY_PRINT_SEP:
printf(" ");
break;
case BINARY_PRINT_CHAR_DATA:
if (printer_data->hit_nul && ch)
printer_data->is_printable = false;
if (!isprint(ch)) {
printf("%c", '.');
if (!printer_data->is_printable)
break;
if (ch == '\0')
printer_data->hit_nul = true;
else
printer_data->is_printable = false;
} else {
printf("%c", ch);
}
break;
case BINARY_PRINT_CHAR_PAD:
printf(" ");
break;
case BINARY_PRINT_LINE_END:
printf("\n");
printer_data->line_no++;
break;
case BINARY_PRINT_DATA_END:
default:
break;
}
}
static void print_sample_bpf_output(struct perf_sample *sample)
{
unsigned int nr_bytes = sample->raw_size;
struct printer_data printer_data = {0, false, true};
print_binary(sample->raw_data, nr_bytes, 8,
print_sample_bpf_output_printer, &printer_data);
if (printer_data.is_printable && printer_data.hit_nul)
printf("%17s \"%s\"\n", "BPF string:",
(char *)(sample->raw_data));
}
struct perf_script {
struct perf_tool tool;
struct perf_session *session;
bool show_task_events;
bool show_mmap_events;
bool show_switch_events;
bool allocated;
struct cpu_map *cpus;
struct thread_map *threads;
int name_width;
};
static int perf_evlist__max_name_len(struct perf_evlist *evlist)
{
struct perf_evsel *evsel;
int max = 0;
evlist__for_each(evlist, evsel) {
int len = strlen(perf_evsel__name(evsel));
max = MAX(len, max);
}
return max;
}
static size_t data_src__printf(u64 data_src)
{
struct mem_info mi = { .data_src.val = data_src };
char decode[100];
char out[100];
static int maxlen;
int len;
perf_script__meminfo_scnprintf(decode, 100, &mi);
len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
if (maxlen < len)
maxlen = len;
return printf("%-*s", maxlen, out);
}
static void process_event(struct perf_script *script,
struct perf_sample *sample, struct perf_evsel *evsel,
struct addr_location *al)
{
struct thread *thread = al->thread;
struct perf_event_attr *attr = &evsel->attr;
if (output[attr->type].fields == 0)
return;
print_sample_start(sample, thread, evsel);
if (PRINT_FIELD(PERIOD))
printf("%10" PRIu64 " ", sample->period);
if (PRINT_FIELD(EVNAME)) {
const char *evname = perf_evsel__name(evsel);
if (!script->name_width)
script->name_width = perf_evlist__max_name_len(script->session->evlist);
printf("%*s: ", script->name_width,
evname ? evname : "[unknown]");
}
if (print_flags)
print_sample_flags(sample->flags);
if (is_bts_event(attr)) {
print_sample_bts(sample, evsel, thread, al);
return;
}
if (PRINT_FIELD(TRACE))
event_format__print(evsel->tp_format, sample->cpu,
sample->raw_data, sample->raw_size);
if (PRINT_FIELD(ADDR))
print_sample_addr(sample, thread, attr);
if (PRINT_FIELD(DATA_SRC))
data_src__printf(sample->data_src);
if (PRINT_FIELD(WEIGHT))
printf("%16" PRIu64, sample->weight);
if (PRINT_FIELD(IP)) {
struct callchain_cursor *cursor = NULL;
if (symbol_conf.use_callchain && sample->callchain &&
thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
sample, NULL, NULL, scripting_max_stack) == 0)
cursor = &callchain_cursor;
putchar(cursor ? '\n' : ' ');
sample__fprintf_sym(sample, al, 0, output[attr->type].print_ip_opts, cursor, stdout);
}
if (PRINT_FIELD(IREGS))
print_sample_iregs(sample, attr);
if (PRINT_FIELD(BRSTACK))
print_sample_brstack(sample);
else if (PRINT_FIELD(BRSTACKSYM))
print_sample_brstacksym(sample, thread);
if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
print_sample_bpf_output(sample);
printf("\n");
}
static struct scripting_ops *scripting_ops;
static void __process_stat(struct perf_evsel *counter, u64 tstamp)
{
int nthreads = thread_map__nr(counter->threads);
int ncpus = perf_evsel__nr_cpus(counter);
int cpu, thread;
static int header_printed;
if (counter->system_wide)
nthreads = 1;
if (!header_printed) {
printf("%3s %8s %15s %15s %15s %15s %s\n",
"CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
header_printed = 1;
}
for (thread = 0; thread < nthreads; thread++) {
for (cpu = 0; cpu < ncpus; cpu++) {
struct perf_counts_values *counts;
counts = perf_counts(counter->counts, cpu, thread);
printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
counter->cpus->map[cpu],
thread_map__pid(counter->threads, thread),
counts->val,
counts->ena,
counts->run,
tstamp,
perf_evsel__name(counter));
}
}
}
static void process_stat(struct perf_evsel *counter, u64 tstamp)
{
if (scripting_ops && scripting_ops->process_stat)
scripting_ops->process_stat(&stat_config, counter, tstamp);
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)
{
setup_perl_scripting();
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 int process_sample_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct perf_evsel *evsel,
struct machine *machine)
{
struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct addr_location al;
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;
return 0;
}
if (machine__resolve(machine, &al, sample) < 0) {
pr_err("problem processing %d event, skipping it.\n",
event->header.type);
return -1;
}
if (al.filtered)
goto out_put;
if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
goto out_put;
if (scripting_ops)
scripting_ops->process_event(event, sample, evsel, &al);
else
process_event(scr, sample, evsel, &al);
out_put:
addr_location__put(&al);
return 0;
}
static int process_attr(struct perf_tool *tool, union perf_event *event,
struct perf_evlist **pevlist)
{
struct perf_script *scr = container_of(tool, struct perf_script, tool);
struct perf_evlist *evlist;
struct perf_evsel *evsel, *pos;
int err;
err = perf_event__process_attr(tool, event, pevlist);
if (err)
return err;
evlist = *pevlist;
evsel = perf_evlist__last(*pevlist);
if (evsel->attr.type >= PERF_TYPE_MAX)
return 0;
evlist__for_each(evlist, pos) {
if (pos->attr.type == evsel->attr.type && pos != evsel)
return 0;
}
set_print_ip_opts(&evsel->attr);
if (evsel->attr.sample_type)
err = perf_evsel__check_attr(evsel, scr->session);
return err;
}
static int process_comm_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
int ret = -1;
thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
if (thread == NULL) {
pr_debug("problem processing COMM event, skipping it.\n");
return -1;
}
if (perf_event__process_comm(tool, event, sample, machine) < 0)
goto out;
if (!evsel->attr.sample_id_all) {
sample->cpu = 0;
sample->time = 0;
sample->tid = event->comm.tid;
sample->pid = event->comm.pid;
}
print_sample_start(sample, thread, evsel);
perf_event__fprintf(event, stdout);
ret = 0;
out:
thread__put(thread);
return ret;
}
static int process_fork_event(struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
struct machine *machine)
{
struct thread *thread;
struct perf_script *script = container_of(tool, struct perf_script, tool);
struct perf_session *session = script->session;
struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);