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-rw-r--r--tools/perf/Documentation/perf-report.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 2d1746295abf..3a166ae4a4d3 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -382,6 +382,13 @@ OPTIONS
--header-only::
Show only perf.data header (forces --stdio).
+--time::
+ Only analyze samples within given time window: <start>,<stop>. Times
+ have the format seconds.microseconds. If start is not given (i.e., time
+ string is ',x.y') then analysis starts at the beginning of the file. If
+ stop time is not given (i.e, time string is 'x.y,') then analysis goes
+ to end of file.
+
--itrace::
Options for decoding instruction tracing data. The options are: