diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-script.txt | 5 | ||||
| -rw-r--r-- | tools/perf/builtin-script.c | 31 |
2 files changed, 32 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 24eea68ee829..2599b057e47b 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -420,8 +420,11 @@ include::itrace.txt[] --switch-on EVENT_NAME:: Only consider events after this event is found. +--switch-off EVENT_NAME:: + Stop considering events after this event is found. + --show-on-off-events:: - Show the --switch-on event too. + Show the --switch-on/off events too. SEE ALSO -------- diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index fa0cc8b0eccc..b6eed0f7e835 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1617,7 +1617,8 @@ static int perf_sample__fprintf_synth(struct perf_sample *sample, } struct evswitch { - struct evsel *on; + struct evsel *on, + *off; bool discarding; bool show_on_off_events; }; @@ -1820,8 +1821,20 @@ static void process_event(struct perf_script *script, if (!script->evswitch.show_on_off_events) return; + + goto print_it; } + if (script->evswitch.off && !script->evswitch.discarding) { + if (script->evswitch.off != evsel) + goto print_it; + + script->evswitch.discarding = true; + + if (!script->evswitch.show_on_off_events) + return; + } +print_it: ++es->samples; perf_sample__fprintf_start(sample, thread, evsel, @@ -3412,7 +3425,8 @@ int cmd_script(int argc, const char **argv) struct utsname uts; char *script_path = NULL; const char **__argv; - const char *event_switch_on = NULL; + const char *event_switch_on = NULL, + *event_switch_off = NULL; int i, j, err = 0; struct perf_script script = { .tool = { @@ -3557,7 +3571,9 @@ int cmd_script(int argc, const char **argv) OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules, "file", "file saving guest os /proc/modules"), OPT_STRING(0, "switch-on", &event_switch_on, - "event", "Consider events from the first ocurrence of this event"), + "event", "Consider events after the ocurrence of this event"), + OPT_STRING(0, "switch-off", &event_switch_off, + "event", "Stop considering events after the ocurrence of this event"), OPT_BOOLEAN(0, "show-on-off-events", &script.evswitch.show_on_off_events, "Show the on/off switch events, used with --switch-on"), OPT_END() @@ -3894,6 +3910,15 @@ int cmd_script(int argc, const char **argv) script.evswitch.discarding = true; } + if (event_switch_off) { + script.evswitch.off = perf_evlist__find_evsel_by_str(session->evlist, event_switch_off); + if (script.evswitch.off == NULL) { + fprintf(stderr, "switch-off event not found (%s)\n", event_switch_off); + err = -ENOENT; + goto out_delete; + } + } + err = __cmd_script(&script); flush_scripting(); |