perf stat: Support 'percore' event qualifier

[linux-2.6-microblaze.git] / tools / perf / Documentation / perf-stat.txt

diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index 39c05f8..1e312c2 100644 (file)
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -43,6 +43,10 @@ report::
          param1 and param2 are defined as formats for the PMU in
          /sys/bus/event_source/devices/<pmu>/format/*
 
+         'percore' is a event qualifier that sums up the event counts for both
+         hardware threads in a core. For example:
+         perf stat -A -a -e cpu/event,percore=1/,otherevent ...
+
        - a symbolically formed event like 'pmu/config=M,config1=N,config2=K/'
          where M, N, K are numbers (in decimal, hex, octal format).
          Acceptable values for each of 'config', 'config1' and 'config2'