1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun /* Display a menu with individual samples to browse with perf script */
3*4882a593Smuzhiyun #include "hist.h"
4*4882a593Smuzhiyun #include "evsel.h"
5*4882a593Smuzhiyun #include "hists.h"
6*4882a593Smuzhiyun #include "sort.h"
7*4882a593Smuzhiyun #include "config.h"
8*4882a593Smuzhiyun #include "time-utils.h"
9*4882a593Smuzhiyun #include "../util.h"
10*4882a593Smuzhiyun #include "../../util/util.h" // perf_exe()
11*4882a593Smuzhiyun #include "../../perf.h"
12*4882a593Smuzhiyun #include <stdlib.h>
13*4882a593Smuzhiyun #include <string.h>
14*4882a593Smuzhiyun #include <linux/time64.h>
15*4882a593Smuzhiyun #include <linux/zalloc.h>
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun static u64 context_len = 10 * NSEC_PER_MSEC;
18*4882a593Smuzhiyun
res_sample_config(const char * var,const char * value,void * data __maybe_unused)19*4882a593Smuzhiyun static int res_sample_config(const char *var, const char *value, void *data __maybe_unused)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun if (!strcmp(var, "samples.context"))
22*4882a593Smuzhiyun return perf_config_u64(&context_len, var, value);
23*4882a593Smuzhiyun return 0;
24*4882a593Smuzhiyun }
25*4882a593Smuzhiyun
res_sample_init(void)26*4882a593Smuzhiyun void res_sample_init(void)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun perf_config(res_sample_config, NULL);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun
res_sample_browse(struct res_sample * res_samples,int num_res,struct evsel * evsel,enum rstype rstype)31*4882a593Smuzhiyun int res_sample_browse(struct res_sample *res_samples, int num_res,
32*4882a593Smuzhiyun struct evsel *evsel, enum rstype rstype)
33*4882a593Smuzhiyun {
34*4882a593Smuzhiyun char **names;
35*4882a593Smuzhiyun int i, n;
36*4882a593Smuzhiyun int choice;
37*4882a593Smuzhiyun char *cmd;
38*4882a593Smuzhiyun char pbuf[256], tidbuf[32], cpubuf[32];
39*4882a593Smuzhiyun const char *perf = perf_exe(pbuf, sizeof pbuf);
40*4882a593Smuzhiyun char trange[128], tsample[64];
41*4882a593Smuzhiyun struct res_sample *r;
42*4882a593Smuzhiyun char extra_format[256];
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun names = calloc(num_res, sizeof(char *));
45*4882a593Smuzhiyun if (!names)
46*4882a593Smuzhiyun return -1;
47*4882a593Smuzhiyun for (i = 0; i < num_res; i++) {
48*4882a593Smuzhiyun char tbuf[64];
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun timestamp__scnprintf_nsec(res_samples[i].time, tbuf, sizeof tbuf);
51*4882a593Smuzhiyun if (asprintf(&names[i], "%s: CPU %d tid %d", tbuf,
52*4882a593Smuzhiyun res_samples[i].cpu, res_samples[i].tid) < 0) {
53*4882a593Smuzhiyun while (--i >= 0)
54*4882a593Smuzhiyun zfree(&names[i]);
55*4882a593Smuzhiyun free(names);
56*4882a593Smuzhiyun return -1;
57*4882a593Smuzhiyun }
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun choice = ui__popup_menu(num_res, names, NULL);
60*4882a593Smuzhiyun for (i = 0; i < num_res; i++)
61*4882a593Smuzhiyun zfree(&names[i]);
62*4882a593Smuzhiyun free(names);
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun if (choice < 0 || choice >= num_res)
65*4882a593Smuzhiyun return -1;
66*4882a593Smuzhiyun r = &res_samples[choice];
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun n = timestamp__scnprintf_nsec(r->time - context_len, trange, sizeof trange);
69*4882a593Smuzhiyun trange[n++] = ',';
70*4882a593Smuzhiyun timestamp__scnprintf_nsec(r->time + context_len, trange + n, sizeof trange - n);
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun timestamp__scnprintf_nsec(r->time, tsample, sizeof tsample);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun attr_to_script(extra_format, &evsel->core.attr);
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun if (asprintf(&cmd, "%s script %s%s --time %s %s%s %s%s --ns %s %s %s %s %s | less +/%s",
77*4882a593Smuzhiyun perf,
78*4882a593Smuzhiyun input_name ? "-i " : "",
79*4882a593Smuzhiyun input_name ? input_name : "",
80*4882a593Smuzhiyun trange,
81*4882a593Smuzhiyun r->cpu >= 0 ? "--cpu " : "",
82*4882a593Smuzhiyun r->cpu >= 0 ? (sprintf(cpubuf, "%d", r->cpu), cpubuf) : "",
83*4882a593Smuzhiyun r->tid ? "--tid " : "",
84*4882a593Smuzhiyun r->tid ? (sprintf(tidbuf, "%d", r->tid), tidbuf) : "",
85*4882a593Smuzhiyun extra_format,
86*4882a593Smuzhiyun rstype == A_ASM ? "-F +insn --xed" :
87*4882a593Smuzhiyun rstype == A_SOURCE ? "-F +srcline,+srccode" : "",
88*4882a593Smuzhiyun symbol_conf.inline_name ? "--inline" : "",
89*4882a593Smuzhiyun "--show-lost-events ",
90*4882a593Smuzhiyun r->tid ? "--show-switch-events --show-task-events " : "",
91*4882a593Smuzhiyun tsample) < 0)
92*4882a593Smuzhiyun return -1;
93*4882a593Smuzhiyun run_script(cmd);
94*4882a593Smuzhiyun free(cmd);
95*4882a593Smuzhiyun return 0;
96*4882a593Smuzhiyun }
97