diff options
Diffstat (limited to 'tools/perf/builtin-sched.c')
| -rw-r--r-- | tools/perf/builtin-sched.c | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 459e4229945e..0c7d599fa555 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2398,6 +2398,15 @@ static void timehist_print_wakeup_event(struct perf_sched *sched, printf("\n"); } +static int timehist_sched_wakeup_ignore(struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct evsel *evsel __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + return 0; +} + static int timehist_sched_wakeup_event(struct perf_tool *tool, union perf_event *event __maybe_unused, struct evsel *evsel, @@ -2958,9 +2967,10 @@ static int timehist_check_attr(struct perf_sched *sched, static int perf_sched__timehist(struct perf_sched *sched) { - const struct evsel_str_handler handlers[] = { + struct evsel_str_handler handlers[] = { { "sched:sched_switch", timehist_sched_switch_event, }, { "sched:sched_wakeup", timehist_sched_wakeup_event, }, + { "sched:sched_waking", timehist_sched_wakeup_event, }, { "sched:sched_wakeup_new", timehist_sched_wakeup_event, }, }; const struct evsel_str_handler migrate_handlers[] = { @@ -3018,6 +3028,11 @@ static int perf_sched__timehist(struct perf_sched *sched) setup_pager(); + /* prefer sched_waking if it is captured */ + if (perf_evlist__find_tracepoint_by_name(session->evlist, + "sched:sched_waking")) + handlers[1].handler = timehist_sched_wakeup_ignore; + /* setup per-evsel handlers */ if (perf_session__set_tracepoints_handlers(session, handlers)) goto out; @@ -3330,12 +3345,16 @@ static int __cmd_record(int argc, const char **argv) "-e", "sched:sched_stat_iowait", "-e", "sched:sched_stat_runtime", "-e", "sched:sched_process_fork", - "-e", "sched:sched_wakeup", "-e", "sched:sched_wakeup_new", "-e", "sched:sched_migrate_task", }; + struct tep_event *waking_event; - rec_argc = ARRAY_SIZE(record_args) + argc - 1; + /* + * +2 for either "-e", "sched:sched_wakeup" or + * "-e", "sched:sched_waking" + */ + rec_argc = ARRAY_SIZE(record_args) + 2 + argc - 1; rec_argv = calloc(rec_argc + 1, sizeof(char *)); if (rec_argv == NULL) @@ -3344,6 +3363,13 @@ static int __cmd_record(int argc, const char **argv) for (i = 0; i < ARRAY_SIZE(record_args); i++) rec_argv[i] = strdup(record_args[i]); + rec_argv[i++] = "-e"; + waking_event = trace_event__tp_format("sched", "sched_waking"); + if (!IS_ERR(waking_event)) + rec_argv[i++] = strdup("sched:sched_waking"); + else + rec_argv[i++] = strdup("sched:sched_wakeup"); + for (j = 1; j < (unsigned int)argc; j++, i++) rec_argv[i] = argv[j]; |