On Thu, Mar 03, 2016 at 03:57:35PM -0800, Andi Kleen wrote: > From: Andi Kleen <[email protected]> > > With all the recently added fields in the perf stat CSV output > we should finally document them in the man page. Do this here. > > v2: Fix fields in documentation (Jiri) > v3: fix order of fields again (Jiri) > v4: Change order again. > v5: Document more fields (Jiri) > v6: Move time stamp first > v7: More fixes (Jiri)
Acked-by: Jiri Olsa <[email protected]> thanks, jirka > Signed-off-by: Andi Kleen <[email protected]> > --- > tools/perf/Documentation/perf-stat.txt | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/tools/perf/Documentation/perf-stat.txt > b/tools/perf/Documentation/perf-stat.txt > index 52ef7a9..e513a1c 100644 > --- a/tools/perf/Documentation/perf-stat.txt > +++ b/tools/perf/Documentation/perf-stat.txt > @@ -211,6 +211,29 @@ $ perf stat -- make -j > > Wall-clock time elapsed: 719.554352 msecs > > +CSV FORMAT > +---------- > + > +With -x, perf stat is able to output a not-quite-CSV format output > +Commas in the output are not put into "". To make it easy to parse > +it is recommended to use a different character like -x \; > + > +The fields are in this order: > + > + - optional usec time stamp in fractions of second (with -I xxx) > + - optional CPU, core, or socket identifier > + - optional number of logical CPUs aggregated > + - counter value > + - unit of the counter value or empty > + - event name > + - run time of counter > + - percentage of measurement time the counter was running > + - optional variance if multiple values are collected with -r > + - optional metric value > + - optional unit of metric > + > +Additional metrics may be printed with all earlier fields being empty. > + > SEE ALSO > -------- > linkperf:perf-top[1], linkperf:perf-list[1] > -- > 2.5.0 >
