Update cpus_allowed_policy=split documentation
Instead of erroring out on fewer CPUs than threads/processes,
fio now does roundrobin over the set.
Signed-off-by: Jens Axboe <axboe@fb.com>
diff --git a/HOWTO b/HOWTO
index ef2b631..9a9f02a 100644
--- a/HOWTO
+++ b/HOWTO
@@ -936,8 +936,9 @@
split Each job will get a unique CPU from the CPU set.
'shared' is the default behaviour, if the option isn't
- specified. If split is specified, then fio will error out if
- there are more jobs defined than CPUs given in the set.
+ specified. If split is specified, then fio will will assign
+ one cpu per job. If not enough CPUs are given for the jobs
+ listed, then fio will roundrobin the CPUs in the set.
numa_cpu_nodes=str Set this job running on spcified NUMA nodes' CPUs. The
arguments allow comma delimited list of cpu numbers,
diff --git a/fio.1 b/fio.1
index 863b0e0..764e323 100644
--- a/fio.1
+++ b/fio.1
@@ -847,8 +847,9 @@
.RE
.P
\fBshared\fR is the default behaviour, if the option isn't specified. If
-\fBsplit\fR is specified, then fio will error out if there are more jobs
-defined than CPUs given in the set.
+\fBsplit\fR is specified, then fio will assign one cpu per job. If not enough
+CPUs are given for the jobs listed, then fio will roundrobin the CPUs in
+the set.
.RE
.P
.TP