diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-14 16:40:58 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-08-15 12:24:08 -0300 |
| commit | 6469eb6dffeb44edfa3d4ca496b044b4a9c643b9 (patch) | |
| tree | a481ede3750fee9fd71a5ae0a4fc5cce2c20f67c /tools/perf/builtin-script.c | |
| parent | f90a24171a8179a29e5e1532fd5bb94e59b5380e (diff) | |
perf script: Allow showing the --switch-on event
One may want to see the --switch-on event as well, allow for that, using
the previous cset example:
# perf script --switch-on syscalls:sys_enter_nanosleep --show-on-off
sleep 13638 [001] 108237.582286: syscalls:sys_enter_nanosleep: rqtp: 0x7fff1948ac40, rmtp: 0x00000000
sleep 13638 [001] 108237.582289: sched:sched_stat_runtime: comm=sleep pid=13638 runtime=578104 [ns] vruntime=202889459556 [ns]
sleep 13638 [001] 108237.582291: sched:sched_switch: sleep:13638 [120] S ==> swapper/1:0 [120]
swapper 0 [001] 108238.582428: sched:sched_waking: comm=sleep pid=13638 prio=120 target_cpu=001
swapper 0 [001] 108238.582458: sched:sched_wakeup: sleep:13638 [120] success=1 CPU:001
sleep 13638 [001] 108238.582698: sched:sched_stat_runtime: comm=sleep pid=13638 runtime=173915 [ns] vruntime=202889633471 [ns]
sleep 13638 [001] 108238.582782: sched:sched_process_exit: comm=sleep pid=13638 prio=120
#
# perf script --switch-on syscalls:sys_enter_nanosleep
sleep 13638 [001] 108237.582289: sched:sched_stat_runtime: comm=sleep pid=13638 runtime=578104 [ns] vruntime=202889459556 [ns]
sleep 13638 [001] 108237.582291: sched:sched_switch: sleep:13638 [120] S ==> swapper/1:0 [120]
swapper 0 [001] 108238.582428: sched:sched_waking: comm=sleep pid=13638 prio=120 target_cpu=001
swapper 0 [001] 108238.582458: sched:sched_wakeup: sleep:13638 [120] success=1 CPU:001
sleep 13638 [001] 108238.582698: sched:sched_stat_runtime: comm=sleep pid=13638 runtime=173915 [ns] vruntime=202889633471 [ns]
sleep 13638 [001] 108238.582782: sched:sched_process_exit: comm=sleep pid=13638 prio=120
#
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: William Cohen <wcohen@redhat.com>
Cc: Florian Weimer <fweimer@redhat.com>
Link: https://lkml.kernel.org/n/tip-0omwwoywj1v63gu8cz0tr0cy@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-script.c')
| -rw-r--r-- | tools/perf/builtin-script.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index d0bc7ccaf7bf..fa0cc8b0eccc 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1619,6 +1619,7 @@ static int perf_sample__fprintf_synth(struct perf_sample *sample, struct evswitch { struct evsel *on; bool discarding; + bool show_on_off_events; }; struct perf_script { @@ -1816,6 +1817,9 @@ static void process_event(struct perf_script *script, return; script->evswitch.discarding = false; + + if (!script->evswitch.show_on_off_events) + return; } ++es->samples; @@ -3554,6 +3558,8 @@ int cmd_script(int argc, const char **argv) "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"), + 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() }; const char * const script_subcommands[] = { "record", "report", NULL }; |