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Date:	Tue, 10 Nov 2009 04:22:36 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: Modify bench/bench-messaging.c to adopt unified output formatting

Commit-ID:  cced06c62a9db6bd6d77e3f0a57dbe47a26d881e
Gitweb:     http://git.kernel.org/tip/cced06c62a9db6bd6d77e3f0a57dbe47a26d881e
Author:     Hitoshi Mitake <mitake@....info.waseda.ac.jp>
AuthorDate: Tue, 10 Nov 2009 08:20:01 +0900
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 10 Nov 2009 04:53:49 +0100

perf bench: Modify bench/bench-messaging.c to adopt unified output formatting

This patch modifies bench/bench-messaging.c to adopt
unified output formatting: --format option.

Usage example:

 % ./perf bench sched messaging              # with no style
 specify (20 sender and receiver processes per group)
 (10 groups == 400 processes run)

        Total time:1.431 sec

 % ./perf bench --format=simple sched messaging # specified
 simple 1.431

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: <1257808802-9420-4-git-send-email-mitake@....info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 tools/perf/bench/sched-messaging.c |   18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/tools/perf/bench/sched-messaging.c b/tools/perf/bench/sched-messaging.c
index 36b62c5..2cc5edc 100644
--- a/tools/perf/bench/sched-messaging.c
+++ b/tools/perf/bench/sched-messaging.c
@@ -35,7 +35,6 @@ static int use_pipes = 0;
 static unsigned int loops = 100;
 static unsigned int thread_mode = 0;
 static unsigned int num_groups = 10;
-static int simple = 0;
 
 struct sender_context {
 	unsigned int num_fds;
@@ -261,9 +260,6 @@ static const struct option options[] = {
 		    "Specify number of groups"),
 	OPT_INTEGER('l', "loop", &loops,
 		    "Specify number of loops"),
-	OPT_BOOLEAN('s', "simple-output", &simple,
-		    "Do simple output (this maybe useful for"
-		    "processing by scripts or graph tools like gnuplot)"),
 	OPT_END()
 };
 
@@ -316,9 +312,8 @@ int bench_sched_messaging(int argc, const char **argv,
 
 	timersub(&stop, &start, &diff);
 
-	if (simple)
-		printf("%lu.%03lu\n", diff.tv_sec, diff.tv_usec/1000);
-	else {
+	switch (bench_format) {
+	case BENCH_FORMAT_DEFAULT:
 		printf("(%d sender and receiver %s per group)\n",
 		       num_fds, thread_mode ? "threads" : "processes");
 		printf("(%d groups == %d %s run)\n\n",
@@ -326,6 +321,15 @@ int bench_sched_messaging(int argc, const char **argv,
 		       thread_mode ? "threads" : "processes");
 		printf("\tTotal time:%lu.%03lu sec\n",
 		       diff.tv_sec, diff.tv_usec/1000);
+		break;
+	case BENCH_FORMAT_SIMPLE:
+		printf("%lu.%03lu\n", diff.tv_sec, diff.tv_usec/1000);
+		break;
+	default:
+		/* reaching here is something disaster */
+		fprintf(stderr, "Unknown format:%d\n", bench_format);
+		exit(1);
+		break;
 	}
 
 	return 0;
--
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