Messages in this thread Patch in this message | | | Date | Wed, 13 Jul 2016 00:25:26 -0700 | From | tip-bot for Jiri Olsa <> | Subject | [tip:perf/core] perf tools: Introduce trace_event__tp_format_id() |
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Commit-ID: 71fe1052af98fc5b615c067425aeb6fe39a0368c Gitweb: http://git.kernel.org/tip/71fe1052af98fc5b615c067425aeb6fe39a0368c Author: Jiri Olsa <jolsa@kernel.org> AuthorDate: Sun, 10 Jul 2016 13:07:54 +0200 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Tue, 12 Jul 2016 16:14:52 -0300
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> --- 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 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,
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