perf report: Add --comms parameter

So that we can filter by comm. Symbols in other comms won't be
accounted for.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1246399282-20934-3-git-send-email-acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 13d85ca8c914..4c44ef1747b9 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -24,6 +24,10 @@ OPTIONS
 --dsos=::
         Only consider symbols in these dsos. CSV that understands
         file://filename entries.
+-C::
+--comms=::
+        Only consider symbols in these comms. CSV that understands
+        file://filename entries.
 
 SEE ALSO
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