Documentation the new option '--basic-block'.

Signed-off-by: Jin Yao <yao....@linux.intel.com>
---
 tools/perf/Documentation/perf-diff.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/Documentation/perf-diff.txt 
b/tools/perf/Documentation/perf-diff.txt
index da7809b..b242af8 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -174,6 +174,11 @@ OPTIONS
 --tid=::
        Only diff samples for given thread ID (comma separated list).
 
+--basic-block::
+       Display the cycles difference of same program basic block amongst
+       two or more perf.data. The program basic block is the code block
+       between two branches in a function.
+
 COMPARISON
 ----------
 The comparison is governed by the baseline file. The baseline perf.data
-- 
2.7.4

Reply via email to