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Subject[PATCH 58/66] perf tools: Introduce trace_event__tp_format_id()
Date
From: Jiri Olsa <jolsa@kernel.org>

To get struct event_format object from tracepoint ID. It will be used
in following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1468148882-10362-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/trace-event.c | 8 ++++++++
tools/perf/util/trace-event.h | 2 ++
2 files changed, 10 insertions(+)

diff --git a/tools/perf/util/trace-event.c b/tools/perf/util/trace-event.c
index 8ae051e0ec79..c330780674fc 100644
--- a/tools/perf/util/trace-event.c
+++ b/tools/perf/util/trace-event.c
@@ -105,3 +105,11 @@ 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,
--
2.7.4
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