97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Display a menu with individual samples to browse with perf script */
|
|
#include "hist.h"
|
|
#include "evsel.h"
|
|
#include "hists.h"
|
|
#include "sort.h"
|
|
#include "config.h"
|
|
#include "time-utils.h"
|
|
#include "../util.h"
|
|
#include "../../util/util.h" // perf_exe()
|
|
#include "../../perf.h"
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <linux/time64.h>
|
|
#include <linux/zalloc.h>
|
|
|
|
static u64 context_len = 10 * NSEC_PER_MSEC;
|
|
|
|
static int res_sample_config(const char *var, const char *value, void *data __maybe_unused)
|
|
{
|
|
if (!strcmp(var, "samples.context"))
|
|
return perf_config_u64(&context_len, var, value);
|
|
return 0;
|
|
}
|
|
|
|
void res_sample_init(void)
|
|
{
|
|
perf_config(res_sample_config, NULL);
|
|
}
|
|
|
|
int res_sample_browse(struct res_sample *res_samples, int num_res,
|
|
struct evsel *evsel, enum rstype rstype)
|
|
{
|
|
char **names;
|
|
int i, n;
|
|
int choice;
|
|
char *cmd;
|
|
char pbuf[256], tidbuf[32], cpubuf[32];
|
|
const char *perf = perf_exe(pbuf, sizeof pbuf);
|
|
char trange[128], tsample[64];
|
|
struct res_sample *r;
|
|
char extra_format[256];
|
|
|
|
names = calloc(num_res, sizeof(char *));
|
|
if (!names)
|
|
return -1;
|
|
for (i = 0; i < num_res; i++) {
|
|
char tbuf[64];
|
|
|
|
timestamp__scnprintf_nsec(res_samples[i].time, tbuf, sizeof tbuf);
|
|
if (asprintf(&names[i], "%s: CPU %d tid %d", tbuf,
|
|
res_samples[i].cpu, res_samples[i].tid) < 0) {
|
|
while (--i >= 0)
|
|
zfree(&names[i]);
|
|
free(names);
|
|
return -1;
|
|
}
|
|
}
|
|
choice = ui__popup_menu(num_res, names, NULL);
|
|
for (i = 0; i < num_res; i++)
|
|
zfree(&names[i]);
|
|
free(names);
|
|
|
|
if (choice < 0 || choice >= num_res)
|
|
return -1;
|
|
r = &res_samples[choice];
|
|
|
|
n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof trange);
|
|
trange[n++] = ',';
|
|
timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof trange - n);
|
|
|
|
timestamp__scnprintf_nsec(r->time, tsample, sizeof tsample);
|
|
|
|
attr_to_script(extra_format, &evsel->core.attr);
|
|
|
|
if (asprintf(&cmd, "%s script %s%s --time %s %s%s %s%s --ns %s %s %s %s %s | less +/%s",
|
|
perf,
|
|
input_name ? "-i " : "",
|
|
input_name ? input_name : "",
|
|
trange,
|
|
r->cpu >= 0 ? "--cpu " : "",
|
|
r->cpu >= 0 ? (sprintf(cpubuf, "%d", r->cpu), cpubuf) : "",
|
|
r->tid ? "--tid " : "",
|
|
r->tid ? (sprintf(tidbuf, "%d", r->tid), tidbuf) : "",
|
|
extra_format,
|
|
rstype == A_ASM ? "-F +insn --xed" :
|
|
rstype == A_SOURCE ? "-F +srcline,+srccode" : "",
|
|
symbol_conf.inline_name ? "--inline" : "",
|
|
"--show-lost-events ",
|
|
r->tid ? "--show-switch-events --show-task-events " : "",
|
|
tsample) < 0)
|
|
return -1;
|
|
run_script(cmd);
|
|
free(cmd);
|
|
return 0;
|
|
}
|