[PATCH v11 11/24] perf config: Document variables for 'report' section in man page
From: Taeung Song
Date: Tue Nov 17 2015 - 13:37:00 EST
Explain 'report' section's variables.
'percent-limit', 'queue-size' and 'children'.
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Taeung Song <treeze.taeung@xxxxxxxxx>
tools/perf/Documentation/perf-config.txt | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index dc659d6..b9f89dd 100644
@@ -350,6 +350,23 @@ call-graph.*::
This is another way to control the number of callchains printed for a
single entry. Default is 0 which means no limitation.
+ This one is mostly same as call-graph.threshold but works for
+ histogram entries. Entries have overhead lower than this percentage
+ will not be printed. Default is 0.
+ If percent-limit is 70, the output which has percentages of
+ each overhead above 70% can be printed.
+ option to setup the maximum allocation size for session's
+ ordered events queue, if not set there's no default limit.
+ The children means that functions called from another function.
+ If the option is true, accumulate callchain of children and show total overhead.
+ Please refer to the perf-report manual. The default is true.
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