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Date: Wed, 11 Nov 2009 00:04:01 +0900 From: Hitoshi Mitake <mitake@....info.waseda.ac.jp> To: Ingo Molnar <mingo@...e.hu> Cc: linux-kernel@...r.kernel.org, Hitoshi Mitake <mitake@....info.waseda.ac.jp>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Paul Mackerras <paulus@...ba.org> Subject: [PATCH 2/3] perf bench: Fix sched-pipe.c for more confortable output This patch fixes sched-pipe.c for more confortable output. Change points are comment style description and formatting numerical values and its units. Example of use: | % ./perf bench sched pipe | # Running sched/pipe benchmark... | # Extecuted 1000000 pipe operations between two tasks | | Total time:5.822 [sec] | | 5.822553 usecs/op | 171745 ops/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> --- tools/perf/bench/sched-pipe.c | 11 ++++++----- 1 files changed, 6 insertions(+), 5 deletions(-) diff --git a/tools/perf/bench/sched-pipe.c b/tools/perf/bench/sched-pipe.c index a9ac186..97291fe 100644 --- a/tools/perf/bench/sched-pipe.c +++ b/tools/perf/bench/sched-pipe.c @@ -92,17 +92,18 @@ int bench_sched_pipe(int argc, const char **argv, switch (bench_format) { case BENCH_FORMAT_DEFAULT: - printf("(executing %d pipe operations between two tasks)\n\n", + printf("# Extecuted %d pipe operations between two tasks\n\n", loops); result_usec = diff.tv_sec * 1000000; result_usec += diff.tv_usec; - printf("\tTotal time:%lu.%03lu sec\n", - diff.tv_sec, diff.tv_usec / 1000); - printf("\t\t%lf usecs/op\n", + printf(" %14s:%lu.%03lu [sec]\n\n", "Total time", + diff.tv_sec, diff.tv_usec/1000); + + printf(" %14lf usecs/op\n", (double)result_usec / (double)loops); - printf("\t\t%d ops/sec\n", + printf(" %14d ops/sec\n", (int)((double)loops / ((double)result_usec / (double)1000000))); break; -- 1.5.6.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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