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-rw-r--r--tools/perf/Documentation/perf-lock.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 6e5ba3cd2b72..30eea576721f 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -36,6 +36,9 @@ COMMON OPTIONS
--input=<file>::
Input file name. (default: perf.data unless stdin is a fifo)
+--output=<file>::
+ Output file name for perf lock contention and report.
+
-v::
--verbose::
Be more verbose (show symbol address, etc).
@@ -200,6 +203,11 @@ CONTENTION OPTIONS
Note that it matches the substring so 'rq' would match both 'raw_spin_rq_lock'
and 'irq_enter_rcu'.
+-x::
+--field-separator=<SEP>::
+ Show results using a CSV-style output to make it easy to import directly
+ into spreadsheets. Columns are separated by the string specified in SEP.
+
SEE ALSO
--------