X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=HOWTO;h=7a7d14ea0816080d794d25f4d899603e2eee57a8;hp=9b3a6848e11c1a43867cd5da6a666ecff12df444;hb=a696fa2a9c2e21a1c88813235d6fc39d267f6155;hpb=d481e00608dc118e646b6fee9c9292c1ab35448f

diff --git a/HOWTO b/HOWTO
index 9b3a6848..7a7d14ea 100644
--- a/HOWTO
+++ b/HOWTO
@@ -994,6 +994,7 @@ gtod_cpu=int	Sometimes it's cheaper to dedicate a single thread of
 		for doing these time calls will be excluded from other
 		uses. Fio will manually clear it from the CPU mask of other
 		jobs.
+
 continue_on_error=bool	Normally fio will exit the job on the first observed
 		failure. If this option is set, fio will continue the job when
 		there is a 'non-fatal error' (EIO or EILSEQ) until the runtime
@@ -1003,6 +1004,21 @@ continue_on_error=bool	Normally fio will exit the job on the first observed
 		given in the stats is the first error that was hit during the
 		run.
 
+cgroup_root=str	Root of the mounted blkio cgroup file systems. This is a Linux
+		specific IO controller. If your system doesn't have it mounted,
+		you can do so with:
+
+		# mount -t cgroup -o blkio none /cgroup
+
+		The cgroup_root defaults to /cgroup, if mounted elsewhere
+		please specify this option.
+
+cgroup=str	Add job to this control group. If it doesn't exist, it will
+		be created.
+
+cgroup_weight=int	Set the weight of the cgroup to this value. See
+		the documentation that comes with the kernel, allowed values
+		are in the range of 100..1000.
 
 6.0 Interpreting the output
 ---------------------------