The timer handlers should be unregistered when the plugin unloaded
otherwise they'll try to access invalid memory.
Cc: Jiri Olsa <jo...@redhat.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/lib/traceevent/plugin_hrtimer.c | 10 ++++++++++
1 file changed, 10 insertions(+)
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);
+}
--
1.7.11.7
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