linux-kernel - [tip:perf/bench] perf bench: Improve sched-message.c with more comfortable output

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Message-ID: <tip-c5659b74f052150791750234f92dcfb29d27efa5@git.kernel.org>
Date:	Tue, 10 Nov 2009 19:01:29 GMT
From:	tip-bot for Hitoshi Mitake <mitake@....info.waseda.ac.jp>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulus@...ba.org, hpa@...or.com,
	mingo@...hat.com, a.p.zijlstra@...llo.nl,
	mitake@....info.waseda.ac.jp, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perf/bench] perf bench: Improve sched-message.c with more comfortable output

Commit-ID:  c5659b74f052150791750234f92dcfb29d27efa5
Gitweb:     http://git.kernel.org/tip/c5659b74f052150791750234f92dcfb29d27efa5
Author:     Hitoshi Mitake <mitake@....info.waseda.ac.jp>
AuthorDate: Wed, 11 Nov 2009 00:04:02 +0900
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 10 Nov 2009 19:56:46 +0100

perf bench: Improve sched-message.c with more comfortable output

This patch improves sched-message.c with more comfortable output.

Change points are comment style description and
formatting numerical values and its units.

Example:

 | % perf bench sched messaging
 | # Running sched/messaging benchmark...
 | # 20 sender and receiver processes per group
 | # 10 groups == 400 processes run
 |
 |      Total time: 1.490 [sec]

Signed-off-by: Hitoshi Mitake <mitake@....info.waseda.ac.jp>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
LKML-Reference: <1257865442-20252-4-git-send-email-mitake@....info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
---
 tools/perf/bench/sched-messaging.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c
index 2cc5edc..605a2a9 100644
--- a/tools/perf/bench/sched-messaging.c
+++ b/tools/perf/bench/sched-messaging.c
@@ -314,12 +314,12 @@ int bench_sched_messaging(int argc, const char **argv,
 
 	switch (bench_format) {
 	case BENCH_FORMAT_DEFAULT:
-		printf("(%d sender and receiver %s per group)\n",
+		printf("# %d sender and receiver %s per group\n",
 		       num_fds, thread_mode ? "threads" : "processes");
-		printf("(%d groups == %d %s run)\n\n",
+		printf("# %d groups == %d %s run\n\n",
 		       num_groups, num_groups * 2 * num_fds,
 		       thread_mode ? "threads" : "processes");
-		printf("\tTotal time:%lu.%03lu sec\n",
+		printf(" %14s: %lu.%03lu [sec]\n", "Total time",
 		       diff.tv_sec, diff.tv_usec/1000);
 		break;
 	case BENCH_FORMAT_SIMPLE:
--
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