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. v5: Document more fields (Jiri) v6: Move time stamp first v7: More fixes (Jiri) Signed-off-by: Andi Kleen <a...@linux.intel.com> Acked-by: Jiri Olsa <jo...@kernel.org> Link: http://lkml.kernel.org/r/1457049458-28956-5-git-send-email-a...@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- 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 14d9e8ffaff7..8812d7319edb 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -219,6 +219,29 @@ $ 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
