mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-13 14:14:37 +00:00
d07126560c
With this patch if an optional pointer is passed to ui__popup_menu() then when any key that is not being handled (ENTER, ESC, etc) is typed, it'll record that key in the pointer and return, allowing for hotkey processing on the caller. If NULL is passed, no change in logic, unhandled keys continue to be ignored. Reviewed-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Kan Liang <kan.liang@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-6ojn19mqzgmrdm8kdoigic0m@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
96 lines
2.6 KiB
C
96 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;
|
|
}
|