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

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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@dcl.info.waseda.ac.jp>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1257865442-20252-4-git-send-email-mitake@dcl.info.waseda.ac.jp>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Hitoshi Mitake 2009-11-11 00:04:02 +09:00 committed by Ingo Molnar
parent ff676b193a
commit c5659b74f0
1 changed files with 3 additions and 3 deletions
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6
tools/perf/bench/sched-messaging.c
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@ -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: