Disk stat improvements
Add an option to disable the disk stats. And only dump the disk
stat header, if we actually have stats to show.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 5fdc1f7..0b43871 100644
--- a/HOWTO
+++ b/HOWTO
@@ -648,6 +648,9 @@
cpuchunks=int If the job is a CPU cycle eater, split the load into
cycles of the given time. In milliseconds.
+disk_util=bool Generate disk utilization statistics, if the platform
+ supports it. Defaults to on.
+
6.0 Interpreting the output
---------------------------