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-rw-r--r--tools/perf/Documentation/perf-config.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 99aa72e5e9cf..fb1f4a984e63 100644
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -426,6 +426,11 @@ pager.*::
When the subcommand is run on stdio, determine whether it uses
pager or not based on this value. Default is 'unspecified'.
+kmem.*::
+ kmem.default::
+ This option decides which allocator is to be analyzed if neither
+ '--slab' nor '--page' option is used. Default is 'slab'.
+
SEE ALSO
--------
linkperf:perf[1]