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1// SPDX-License-Identifier: GPL-2.02/* Display a menu with individual samples to browse with perf script */3#include "hist.h"4#include "evsel.h"5#include "hists.h"6#include "sort.h"7#include "config.h"8#include "time-utils.h"9#include "../util.h"10#include "../../util/util.h" // perf_exe()11#include "../../perf.h"12#include <stdlib.h>13#include <string.h>14#include <linux/time64.h>15#include <linux/zalloc.h>16 17static u64 context_len = 10 * NSEC_PER_MSEC;18 19static int res_sample_config(const char *var, const char *value, void *data __maybe_unused)20{21 if (!strcmp(var, "samples.context"))22 return perf_config_u64(&context_len, var, value);23 return 0;24}25 26void res_sample_init(void)27{28 perf_config(res_sample_config, NULL);29}30 31int res_sample_browse(struct res_sample *res_samples, int num_res,32 struct evsel *evsel, enum rstype rstype)33{34 char **names;35 int i, n;36 int choice;37 char *cmd;38 char pbuf[256], tidbuf[32], cpubuf[32];39 const char *perf = perf_exe(pbuf, sizeof pbuf);40 char trange[128], tsample[64];41 struct res_sample *r;42 char extra_format[256];43 44 names = calloc(num_res, sizeof(char *));45 if (!names)46 return -1;47 for (i = 0; i < num_res; i++) {48 char tbuf[64];49 50 timestamp__scnprintf_nsec(res_samples[i].time, tbuf, sizeof tbuf);51 if (asprintf(&names[i], "%s: CPU %d tid %d", tbuf,52 res_samples[i].cpu, res_samples[i].tid) < 0) {53 while (--i >= 0)54 zfree(&names[i]);55 free(names);56 return -1;57 }58 }59 choice = ui__popup_menu(num_res, names, NULL);60 for (i = 0; i < num_res; i++)61 zfree(&names[i]);62 free(names);63 64 if (choice < 0 || choice >= num_res)65 return -1;66 r = &res_samples[choice];67 68 n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof trange);69 trange[n++] = ',';70 timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof trange - n);71 72 timestamp__scnprintf_nsec(r->time, tsample, sizeof tsample);73 74 attr_to_script(extra_format, &evsel->core.attr);75 76 if (asprintf(&cmd, "%s script %s%s --time %s %s%s %s%s --ns %s %s %s %s %s | less +/%s",77 perf,78 input_name ? "-i " : "",79 input_name ? input_name : "",80 trange,81 r->cpu >= 0 ? "--cpu " : "",82 r->cpu >= 0 ? (sprintf(cpubuf, "%d", r->cpu), cpubuf) : "",83 r->tid ? "--tid " : "",84 r->tid ? (sprintf(tidbuf, "%d", r->tid), tidbuf) : "",85 extra_format,86 rstype == A_ASM ? "-F +disasm" :87 rstype == A_SOURCE ? "-F +srcline,+srccode" : "",88 symbol_conf.inline_name ? "--inline" : "",89 "--show-lost-events ",90 r->tid ? "--show-switch-events --show-task-events " : "",91 tsample) < 0)92 return -1;93 run_script(cmd);94 free(cmd);95 return 0;96}97