lkml.org 
[lkml]   [2016]   [Jul]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:perf/core] perf tools: Introduce trace_event__tp_format_id()
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,
\
 
 \ /
  Last update: 2016-07-13 10:01    [W:0.154 / U:6.188 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site