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-rw-r--r--tools/perf/Documentation/perf-kmem.txt13
1 files changed, 8 insertions, 5 deletions
diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt
index 85b8ac695c87..f378ac59353d 100644
--- a/tools/perf/Documentation/perf-kmem.txt
+++ b/tools/perf/Documentation/perf-kmem.txt
@@ -8,22 +8,25 @@ perf-kmem - Tool to trace/measure kernel memory properties
SYNOPSIS
--------
[verse]
-'perf kmem' {record|stat} [<options>]
+'perf kmem' [<options>] {record|stat}
DESCRIPTION
-----------
There are two variants of perf kmem:
- 'perf kmem record <command>' to record the kmem events
- of an arbitrary workload.
+ 'perf kmem [<options>] record [<perf-record-options>] <command>' to
+ record the kmem events of an arbitrary workload. Additional 'perf
+ record' options may be specified after record, such as '-o' to
+ change the output file name.
- 'perf kmem stat' to report kernel memory statistics.
+ 'perf kmem [<options>] stat' to report kernel memory statistics.
OPTIONS
-------
-i <file>::
--input=<file>::
- Select the input file (default: perf.data unless stdin is a fifo)
+ For stat, select the input file (default: perf.data unless stdin is a
+ fifo)
-f::
--force::