Allow reset of offset_increment counter
Reset offset_increment only within a sub-group of jobs, eg when
numjobs=x is used to automatically group jobs together.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/HOWTO b/HOWTO
index ac96069..1c4b308 100644
--- a/HOWTO
+++ b/HOWTO
@@ -736,11 +736,12 @@
caps the file size at real_size - offset.
offset_increment=int If this is provided, then the real offset becomes
- the offset + offset_increment * thread_number, where the
- thread number is a counter that starts at 0 and is incremented
- for each job. This option is useful if there are several jobs
- which are intended to operate on a file in parallel in disjoint
- segments, with even spacing between the starting points.
+ offset + offset_increment * thread_number, where the thread
+ number is a counter that starts at 0 and is incremented for
+ each sub-job (i.e. when numjobs option is specified). This
+ option is useful if there are several jobs which are intended
+ to operate on a file in parallel disjoint segments, with
+ even spacing between the starting points.
number_ios=int Fio will normally perform IOs until it has exhausted the size
of the region set by size=, or if it exhaust the allocated