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