diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2014-01-16 11:31:10 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-01-16 16:26:24 -0300 |
| commit | 4061edaa54744dca833051119e763f073dd3c334 (patch) | |
| tree | dfa58fb51eb1513fc8335c7b41579ab853a8c02a | |
| parent | ac668c7b7d87c1895faf196a337b5ddfd32a0e21 (diff) | |
tools lib traceevent: Unregister handler when hrtimer plugin is unloaded
The timer 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/1389839478-5887-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/lib/traceevent/plugin_hrtimer.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c index 0b0ebf30aa44..12bf14cc1152 100644 --- a/tools/lib/traceevent/plugin_hrtimer.c +++ b/tools/lib/traceevent/plugin_hrtimer.c @@ -76,3 +76,13 @@ int PEVENT_PLUGIN_LOADER(struct pevent *pevent) timer_start_handler, NULL); return 0; } + +void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent) +{ + pevent_unregister_event_handler(pevent, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + pevent_unregister_event_handler(pevent, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); +} |