From: Andi Kleen <a...@linux.intel.com> Clarify that a metric is based on events, not referring to itself. Also some improvements with the sentences.
Signed-off-by: Andi Kleen <a...@linux.intel.com> Cc: Jiri Olsa <jo...@kernel.org> Link: http://lkml.kernel.org/r/20190711181922.18765-3-a...@firstfloor.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/Documentation/perf-script.txt | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 042b9e5dcc32..caaab28f8400 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -228,11 +228,11 @@ OPTIONS With the metric option perf script can compute metrics for sampling periods, similar to perf stat. This requires - specifying a group with multiple metrics with the :S option + specifying a group with multiple events defining metrics with the :S option for perf record. perf will sample on the first event, and - compute metrics for all the events in the group. Please note + print computed metrics for all the events in the group. Please note that the metric computed is averaged over the whole sampling - period, not just for the sample point. + period (since the last sample), not just for the sample point. For sample events it's possible to display misc field with -F +misc option, following letters are displayed for each bit: -- 2.21.0
