From abc60bad0030193ffb55e438664bc09ac53939cf Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Mon, 23 Apr 2018 11:08:22 +0200 Subject: perf stat: Display length strings of each run for --table option Adding support to display visual aid 'length strings' to easily spot the biggest difference in time table. $ perf stat -r 10 --table perf bench sched pipe ... Performance counter stats for './perf bench sched pipe' (5 runs): # Table of individual measurements: 5.189 (-0.293) # 5.189 (-0.294) # 5.186 (-0.296) # 5.663 (+0.181) ## 6.186 (+0.703) #### # Final result: 5.483 +- 0.198 seconds time elapsed ( +- 3.62% ) Suggested-by: Ingo Molnar Signed-off-by: Jiri Olsa Tested-by: Arnaldo Carvalho de Melo Cc: Alexander Shishkin Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20180423090823.32309-9-jolsa@kernel.org [ Updated 'perf stat --table' man page entry ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-stat.txt | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'tools/perf/Documentation/perf-stat.txt') diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 72a2414513bd..3a822f308e6d 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -123,14 +123,14 @@ spreadsheets. Columns are separated by the string specified in SEP. Performance counter stats for 'perf bench sched pipe' (5 runs): # Table of individual measurements: - 5.379 (-0.176) - 5.243 (-0.311) - 5.238 (-0.317) - 5.536 (-0.019) - 6.377 (+0.823) + 5.189 (-0.293) # + 5.189 (-0.294) # + 5.186 (-0.296) # + 5.663 (+0.181) ## + 6.186 (+0.703) #### # Final result: - 5.555 +- 0.213 seconds time elapsed ( +- 3.83% ) + 5.483 +- 0.198 seconds time elapsed ( +- 3.62% ) -G name:: --cgroup name:: -- cgit v1.2.3