Add disk utilization to terse format output
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/HOWTO b/HOWTO
index a0d244b..a8d5197 100644
--- a/HOWTO
+++ b/HOWTO
@@ -1379,6 +1379,11 @@
IO depths: <=1, 2, 4, 8, 16, 32, >=64
IO latencies microseconds: <=2, 4, 10, 20, 50, 100, 250, 500, 750, 1000
IO latencies milliseconds: <=2, 4, 10, 20, 50, 100, 250, 500, 750, 1000, 2000, >=2000
+ Disk utilization: Disk name, Read ios, write ios,
+ Read merges, write merges,
+ Read ticks, write ticks,
+ Read in-queue time, write in-queue time,
+ Disk utilization percentage
Additional Info (dependant on continue_on_error, default off): total # errors, first error code
Additional Info (dependant on description being set): Text description
@@ -1390,6 +1395,9 @@
which is the Xth percentile, and the usec latency associated with it.
+For disk utilization, all disks used by fio are shown. So for each disk
+there will be a disk utilization section.
+
8.0 Trace file format
---------------------