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| author | Namhyung Kim <namhyung@kernel.org> | 2014-01-16 06:31:13 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-16 23:26:25 +0400 |
| commit | 02bafd377c1137d0705f224881cd21de123204f0 (patch) | |
| tree | 75d67dd676032bbd96004142e7765bd88fd7d9c1 /tools/lib | |
| parent | 354a2bd0318e0758f93b8b24553f3376fa9dfa21 (diff) | |
| download | linux-02bafd377c1137d0705f224881cd21de123204f0.tar.xz | |
tools lib traceevent: Unregister handler when sched_switch plugin is unloaded
The event handlers should be unregistered when the plugin is unloaded
otherwise they'll try to access invalid memory.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1389839478-5887-8-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/traceevent/plugin_sched_switch.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_sched_switch.c b/tools/lib/traceevent/plugin_sched_switch.c index fea3724aa24f..f1ce60065258 100644 --- a/tools/lib/traceevent/plugin_sched_switch.c +++ b/tools/lib/traceevent/plugin_sched_switch.c @@ -146,3 +146,15 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent) sched_wakeup_handler, NULL); return 0; } + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, "sched", "sched_switch", + sched_switch_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup", + sched_wakeup_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "sched", "sched_wakeup_new", + sched_wakeup_handler, NULL); +} |