lkml.org 
[lkml]   [2014]   [Oct]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:perf/core] perf session: Add perf_session__deliver_synth_event()
Commit-ID:  a293829df788ae96a174b315010d4b56a10e5114
Gitweb: http://git.kernel.org/tip/a293829df788ae96a174b315010d4b56a10e5114
Author: Adrian Hunter <adrian.hunter@intel.com>
AuthorDate: Mon, 27 Oct 2014 15:49:23 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Wed, 29 Oct 2014 11:36:15 -0200

perf session: Add perf_session__deliver_synth_event()

Add a function to deliver synthesized events from within a session.

Intel PT decoding works by synthesizing events (primarily branch events)
that can then be consumed by existing tools. This function will be used
to deliver those events.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1414417770-18602-3-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/session.c | 13 +++++++++++++
tools/perf/util/session.h | 5 +++++
2 files changed, 18 insertions(+)

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 58dd5ce..f4478ce 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -907,6 +907,19 @@ static s64 perf_session__process_user_event(struct perf_session *session,
}
}

+int perf_session__deliver_synth_event(struct perf_session *session,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_tool *tool)
+{
+ events_stats__inc(&session->stats, event->header.type);
+
+ if (event->header.type >= PERF_RECORD_USER_TYPE_START)
+ return perf_session__process_user_event(session, event, tool, 0);
+
+ return perf_session__deliver_event(session, event, sample, tool, 0);
+}
+
static void event_swap(union perf_event *event, bool sample_id_all)
{
perf_event__swap_op swap;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index d8521ac..dc26ebf 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -127,6 +127,11 @@ extern volatile int session_done;

#define session_done() ACCESS_ONCE(session_done)

+int perf_session__deliver_synth_event(struct perf_session *session,
+ union perf_event *event,
+ struct perf_sample *sample,
+ struct perf_tool *tool);
+
int perf_event__process_id_index(struct perf_tool *tool,
union perf_event *event,
struct perf_session *session);

\
 
 \ /
  Last update: 2014-10-30 08:21    [W:0.092 / U:0.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site