To get struct event_format object from tracepoint ID. It will be used in following patches.
Link: http://lkml.kernel.org/n/tip-0omstcxuxa8npi3otondl...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/util/trace-event.c | 9 +++++++++ tools/perf/util/trace-event.h | 2 ++ 2 files changed, 11 insertions(+) diff --git a/tools/perf/util/trace-event.c b/tools/perf/util/trace-event.c index 8ae051e0ec79..883caa8941a9 100644 --- a/tools/perf/util/trace-event.c +++ b/tools/perf/util/trace-event.c @@ -105,3 +105,12 @@ trace_event__tp_format(const char *sys, const char *name) return tp_format(sys, name); } + +struct event_format* +trace_event__tp_format_id(int id) +{ + if (!tevent_initialized && trace_event__init2()) + return ERR_PTR(-ENOMEM); + + return pevent_find_event(tevent.pevent, id); +} diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h index bce5b1dac268..b0af9c81bb0d 100644 --- a/tools/perf/util/trace-event.h +++ b/tools/perf/util/trace-event.h @@ -23,6 +23,8 @@ int trace_event__register_resolver(struct machine *machine, struct event_format* trace_event__tp_format(const char *sys, const char *name); +struct event_format *trace_event__tp_format_id(int id); + int bigendian(void); void event_format__fprintf(struct event_format *event, -- 2.4.11
