See http://www.infradead.org/rpr.html
From: Namhyung Kim <[email protected]> The --percent-limit option was changed to be applied to callchains as well as to hist entries recently, but it missed to update the doc. Reported-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> Cc: Andi Kleen <[email protected]> Cc: David Ahern <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/Documentation/perf-report.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 1cb8fac596b1..89cab84e92fd 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -351,7 +351,10 @@ OPTIONS --percent-limit:: Do not show entries which have an overhead under that percent. - (Default: 0). + (Default: 0). Note that this option also sets the percent limit (threshold) + of callchains. However the default value of callchain threshold is + different than the default value of hist entries. Please see the + --call-graph option for details. --percentage:: Determine how to display the overhead percentage of filtered entries. -- 2.5.0

