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Subject[PATCH 02/10] perf tools: Introduce trace_event__tp_format_id function
Date
To get struct event_format object from tracepoint ID.
It will be used in following patches.

Link: http://lkml.kernel.org/n/tip-0omstcxuxa8npi3otondl4m8@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@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
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