The event handlers should be unregistered when the plugin unloaded
otherwise they'll try to access invalid memory.
Acked-by: Steven Rostedt <rost...@goodmis.org>
Reviewed-by: Jiri Olsa <jo...@redhat.com>
Signed-off-by: Namhyung Kim <namhy...@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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