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-rw-r--r--tools/perf/Documentation/perf-script.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt
index 9e4def08d569..2e19fd7ffe35 100644
--- a/tools/perf/Documentation/perf-script.txt
+++ b/tools/perf/Documentation/perf-script.txt
@@ -159,6 +159,12 @@ OPTIONS
the override, and the result of the above is that only S/W and H/W
events are displayed with the given fields.
+ It's possible tp add/remove fields only for specific event type:
+
+ -Fsw:-cpu,-period
+
+ removes cpu and period from software events.
+
For the 'wildcard' option if a user selected field is invalid for an
event type, a message is displayed to the user that the option is
ignored for that type. For example: