On Mon, Feb 29, 2016 at 02:36:23PM -0800, Andi Kleen wrote: > From: Andi Kleen <a...@linux.intel.com> > > 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. > Signed-off-by: Andi Kleen <a...@linux.intel.com> > --- > tools/perf/Documentation/perf-stat.txt | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/tools/perf/Documentation/perf-stat.txt > b/tools/perf/Documentation/perf-stat.txt > index 52ef7a9..3ae7907 100644 > --- a/tools/perf/Documentation/perf-stat.txt > +++ b/tools/perf/Documentation/perf-stat.txt > @@ -211,6 +211,27 @@ $ 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)
there's also optional CPU field in case you do other than GLOBAL aggregation: [jolsa@krava perf]$ sudo ./perf.old stat -a -A -x, kill kill: not enough arguments CPU0,0.629921,,task-clock,629706,100.00 [jolsa@krava perf]$ sudo ./perf.old stat -a --per-core -x, kill kill: not enough arguments S0-C0,2,1.168179,,task-clock,1167956,100.00 [jolsa@krava perf]$ sudo ./perf.old stat -a --per-socket -x, kill kill: not enough arguments S0,4,2.296581,,task-clock,2296198,100.00 thanks, jirka > + - 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 >
