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-rw-r--r--tools/perf/Documentation/perf-diff.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index f50ca0fef0a4..58efab72d2e5 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -75,7 +75,7 @@ OPTIONS
-q::
--quiet::
- Do not show any message. (Suppress -v)
+ Do not show any warnings or messages. (Suppress -v)
-f::
--force::
@@ -182,6 +182,10 @@ OPTIONS
--tid=::
Only diff samples for given thread ID (comma separated list).
+--stream::
+ Enable hot streams comparison. Stream can be a callchain which is
+ aggregated by the branch records from samples.
+
COMPARISON
----------
The comparison is governed by the baseline file. The baseline perf.data
@@ -281,7 +285,7 @@ If specified the 'Weighted diff' column is displayed with value 'd' computed as:
- period being the hist entry period value
- - WEIGHT-A/WEIGHT-B being user supplied weights in the the '-c' option
+ - WEIGHT-A/WEIGHT-B being user supplied weights in the '-c' option
behind ':' separator like '-c wdiff:1,2'.
- WEIGHT-A being the weight of the data file
- WEIGHT-B being the weight of the baseline data file