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

From: tip-bot for Hitoshi Mitake
Date: Tue Nov 10 2009 - 14:02:15 EST


Commit-ID: c5659b74f052150791750234f92dcfb29d27efa5
Gitweb: http://git.kernel.org/tip/c5659b74f052150791750234f92dcfb29d27efa5
Author: Hitoshi Mitake <mitake@xxxxxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 11 Nov 2009 00:04:02 +0900
Committer: Ingo Molnar <mingo@xxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
LKML-Reference: <1257865442-20252-4-git-send-email-mitake@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
---
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:
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/