Document the 'group_reporting' option
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/HOWTO b/HOWTO
index 06408e4..483f68b 100644
--- a/HOWTO
+++ b/HOWTO
@@ -496,7 +496,15 @@
numjobs=int Create the specified number of clones of this job. May be
used to setup a larger number of threads/processes doing
- the same thing.
+ the same thing. We regard that grouping of jobs as a
+ specific group.
+
+group_reporting If 'numjobs' is set, it may be interesting to display
+ statistics for the group as a whole instead of for each
+ individual job. This is especially true of 'numjobs' is
+ large, looking at individual thread/process output quickly
+ becomes unwieldy. If 'group_reporting' is specified, fio
+ will show the final report per-group instead of per-job.
thread fio defaults to forking jobs, however if this option is
given, fio will use pthread_create(3) to create threads