Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 07/12] tools lib traceevent: Unregister handler when sched_switch plugin unloaded | Date | Thu, 16 Jan 2014 11:31:13 +0900 |
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The event handlers should be unregistered when the plugin unloaded otherwise they'll try to access invalid memory.
Acked-by: Steven Rostedt <rostedt@goodmis.org> Reviewed-by: Jiri Olsa <jolsa@redhat.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/lib/traceevent/plugin_sched_switch.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
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); +} -- 1.7.11.7
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