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tools lib traceevent: Add pevent_unregister_print_function()

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When a plugin unloaded it needs to unregister its print handler from
pevent.

So add an unregister function to do it.

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/1389839478-5887-3-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2014-01-16 11:31:08 +09:00
committed by Arnaldo Carvalho de Melo
parent ad13701d49
commit 20c7e5abbd
2 changed files with 25 additions and 0 deletions
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2
tools/lib/traceevent/event-parse.h
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@@ -631,6 +631,8 @@ int pevent_register_print_function(struct pevent *pevent,
pevent_func_handler func,
enum pevent_func_arg_type ret_type,
char *name, ...);
int pevent_unregister_print_function(struct pevent *pevent,
pevent_func_handler func, char *name);
struct format_field *pevent_find_common_field(struct event_format *event, const char *name);
struct format_field *pevent_find_field(struct event_format *event, const char *name);