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-rw-r--r--tools/perf/Documentation/perf-annotate.txt6
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diff --git a/tools/perf/Documentation/perf-annotate.txt b/tools/perf/Documentation/perf-annotate.txt
index 6f5a498608b..85c5f026930 100644
--- a/tools/perf/Documentation/perf-annotate.txt
+++ b/tools/perf/Documentation/perf-annotate.txt
@@ -66,6 +66,12 @@ OPTIONS
used. This interfaces starts by centering on the line with more
samples, TAB/UNTAB cycles through the lines with more samples.
+-c::
+--cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can
+ be provided as a comma-separated list with no space: 0,1. Ranges of
+ CPUs are specified with -: 0-2. Default is to report samples on all
+ CPUs.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1]