linux-kernel - [PATCH v4 16/16] perf kvm: Update documentation to reflect new changes

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Message-Id: <20230313114018.543254-17-leo.yan@linaro.org>
Date:   Mon, 13 Mar 2023 19:40:18 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        John Garry <john.g.garry@...cle.com>,
        James Clark <james.clark@....com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v4 16/16] perf kvm: Update documentation to reflect new changes

Update documentation for new sorting and option '--stdio'.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
Reviewed-by: James Clark <james.clark@....com>
---
 tools/perf/Documentation/perf-kvm.txt | 9 +++++++--
 1 file 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).
-- 
2.34.1