linux-kernel - [PATCH 4/9] perf: Use generic sample reordering in perf sched

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Date:	Sat, 24 Apr 2010 04:05:37 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Paul Mackerras <paulus@...ba.org>,
	Hitoshi Mitake <mitake@....info.waseda.ac.jp>,
	Ingo Molnar <mingo@...e.hu>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Tom Zanussi <tzanussi@...il.com>
Subject: [PATCH 4/9] perf: Use generic sample reordering in perf sched

Use the new generic sample events reordering from perf sched,
this drops the need of multiplexing the buffers on record time,
improving the scalability of perf sched.

Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc: Ingo Molnar <mingo@...e.hu>
Cc: Masami Hiramatsu <mhiramat@...hat.com>
Cc: Tom Zanussi <tzanussi@...il.com>
---
 tools/perf/builtin-sched.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index 09ddc8e..94453f1 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1651,9 +1651,10 @@ static int process_lost_event(event_t *event __used,
 }
 
 static struct perf_event_ops event_ops = {
-	.sample	= process_sample_event,
-	.comm	= event__process_comm,
-	.lost	= process_lost_event,
+	.sample			= process_sample_event,
+	.comm			= event__process_comm,
+	.lost			= process_lost_event,
+	.ordered_samples	= true,
 };
 
 static int read_events(void)
@@ -1850,7 +1851,6 @@ static const char *record_args[] = {
 	"record",
 	"-a",
 	"-R",
-	"-M",
 	"-f",
 	"-m", "1024",
 	"-c", "1",
-- 
1.6.2.3

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