Messages in this thread | | | Date | Tue, 16 Mar 2021 14:07:49 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH] perf stat: Align CSV output for summary mode |
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On Tue, Mar 16, 2021 at 02:07:12PM +0100, Jiri Olsa wrote: > On Tue, Mar 16, 2021 at 03:29:00PM +0800, Jin Yao wrote: > > perf-stat has supported the summary mode. But the summary > > lines break the CSV output so it's hard for scripts to parse > > the result. > > > > Before: > > > > # perf stat -x, -I1000 --interval-count 1 --summary > > 1.001323097,8013.48,msec,cpu-clock,8013483384,100.00,8.013,CPUs utilized > > 1.001323097,270,,context-switches,8013513297,100.00,0.034,K/sec > > 1.001323097,13,,cpu-migrations,8013530032,100.00,0.002,K/sec > > 1.001323097,184,,page-faults,8013546992,100.00,0.023,K/sec > > 1.001323097,20574191,,cycles,8013551506,100.00,0.003,GHz > > 1.001323097,10562267,,instructions,8013564958,100.00,0.51,insn per cycle > > 1.001323097,2019244,,branches,8013575673,100.00,0.252,M/sec > > 1.001323097,106152,,branch-misses,8013585776,100.00,5.26,of all branches > > 8013.48,msec,cpu-clock,8013483384,100.00,7.984,CPUs utilized > > 270,,context-switches,8013513297,100.00,0.034,K/sec > > 13,,cpu-migrations,8013530032,100.00,0.002,K/sec > > 184,,page-faults,8013546992,100.00,0.023,K/sec > > 20574191,,cycles,8013551506,100.00,0.003,GHz > > 10562267,,instructions,8013564958,100.00,0.51,insn per cycle > > 2019244,,branches,8013575673,100.00,0.252,M/sec > > 106152,,branch-misses,8013585776,100.00,5.26,of all branches > > > > The summary line loses the timestamp column, which breaks the > > CVS output. > > > > We add a column at the 'timestamp' position and it just says 'summary' > > for the summary line. > > > > After: > > > > # perf stat -x, -I1000 --interval-count 1 --summary > > looks ok, but maybe make the option more related to CVS, like: > > --x-summary, --cvs-summary ...? >
and we'll need man page update for that
jirka
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