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authorLeo Yan <leo.yan@linaro.org>2023-03-15 17:51:12 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-03-15 22:53:43 +0300
commit96d541699e5c50b1bc2d50c83cd7145994d5f071 (patch)
tree0e81eab6ff12d3ee585f2e16058f66d306a10b0a /tools/perf/Documentation
parent984f16cd602c82451b2e910ac58d7880bcb48b1a (diff)
downloadlinux-96d541699e5c50b1bc2d50c83cd7145994d5f071.tar.xz
perf kvm: Update documentation to reflect new changes
Update documentation for new sorting and option '--stdio'. Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Leo Yan <leo.yan@linaro.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230315145112.186603-2-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-kvm.txt9
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-kvm.txt b/tools/perf/Documentation/perf-kvm.txt
index 2ad3f5d9f72b..b66be66fe836 100644
--- a/tools/perf/Documentation/perf-kvm.txt
+++ b/tools/perf/Documentation/perf-kvm.txt
@@ -58,7 +58,7 @@ There are a couple of variants of perf kvm:
events.
'perf kvm stat report' reports statistical data which includes events
- handled time, samples, and so on.
+ handled sample, percent_sample, time, percent_time, max_t, min_t, mean_t.
'perf kvm stat live' reports statistical data in a live mode (similar to
record + report but with statistical data updated live at a given display
@@ -82,6 +82,8 @@ OPTIONS
:GMEXAMPLESUBCMD: top
include::guest-files.txt[]
+--stdio:: Use the stdio interface.
+
-v::
--verbose::
Be more verbose (show counter open errors, etc).
@@ -97,7 +99,10 @@ STAT REPORT OPTIONS
-k::
--key=<value>::
Sorting key. Possible values: sample (default, sort by samples
- number), time (sort by average time).
+ number), percent_sample (sort by sample percentage), time
+ (sort by average time), precent_time (sort by time percentage),
+ max_t (sort by maximum time), min_t (sort by minimum time), mean_t
+ (sort by mean time).
-p::
--pid=::
Analyze events only for given process ID(s) (comma separated list).