From: Namhyung Kim <[email protected]>

The 'perf record -s' and 'perf report -T' should be used together to see
per-thread event counts.  Document the relation of these commands.

Signed-off-by: Namhyung Kim <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 tools/perf/Documentation/perf-record.txt | 3 ++-
 tools/perf/Documentation/perf-report.txt | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/Documentation/perf-record.txt 
b/tools/perf/Documentation/perf-record.txt
index 57dd57bcef95..280533ebf9df 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -147,7 +147,8 @@ OPTIONS
 
 -s::
 --stat::
-       Per thread counts.
+       Record per-thread event counts.  Use it with 'perf report -T' to see
+       the values.
 
 -d::
 --data::
diff --git a/tools/perf/Documentation/perf-report.txt 
b/tools/perf/Documentation/perf-report.txt
index 27190ed06f9c..c33b69f3374f 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -34,7 +34,8 @@ OPTIONS
 
 -T::
 --threads::
-       Show per-thread event counters
+       Show per-thread event counters.  The input data file should be recorded
+       with -s option.
 -c::
 --comms=::
        Only consider symbols in these comms. CSV that understands
-- 
2.1.0

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