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-rw-r--r--tools/perf/Documentation/perf-report.txt6
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diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index cfa8e51..04253c0 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -128,6 +128,12 @@ OPTIONS
--symfs=<directory>::
Look for files with symbols relative to this directory.
+-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-stat[1]
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