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| author | Jiri Olsa <jolsa@kernel.org> | 2016-07-10 13:07:54 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-07-12 16:14:52 -0300 |
| commit | 71fe1052af98fc5b615c067425aeb6fe39a0368c (patch) | |
| tree | ee6a400ea66b9aa32fc1672429eeb30a077eef4b | |
| parent | 7cb5c5acaba9fa0b90ca11275f19131d3eca35c2 (diff) | |
| download | op-kernel-dev-71fe1052af98fc5b615c067425aeb6fe39a0368c.zip op-kernel-dev-71fe1052af98fc5b615c067425aeb6fe39a0368c.tar.gz | |
perf tools: Introduce trace_event__tp_format_id()
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>
| -rw-r--r-- | tools/perf/util/trace-event.c | 8 | ||||
| -rw-r--r-- | tools/perf/util/trace-event.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/trace-event.c b/tools/perf/util/trace-event.c index 8ae051e..c330780 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 bce5b1d..b0af9c8 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, |
