summaryrefslogtreecommitdiff
path: root/tools/perf/Documentation/perf-record.txt
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
-rw-r--r--tools/perf/Documentation/perf-record.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 8f0c2be34848..8fe4dffcadd0 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -495,6 +495,10 @@ overhead. You can still switch them on with:
--switch-output --no-no-buildid --no-no-buildid-cache
+--switch-max-files=N::
+
+When rotating perf.data with --switch-output, only keep N files.
+
--dry-run::
Parse options then exit. --dry-run can be used to detect errors in cmdline
options.