perf report: Update documention of --percent-limit option

[linux-beck.git] / tools / perf / Documentation / perf-report.txt

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 1cb8fac596b140b74d149cd25763e23230d0edb7..89cab84e92fdad5ed705e2c810d24ed45d329364 100644 (file)
--- 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.