Autodetect cgroup blkio mount point

[fio.git] / fio.1

diff --git a/fio.1 b/fio.1
index 4445d0a3a99989191c70e8359e8c8bc82248613e..2e0a283d527b9dffeca64221fcbf359e3a892670 100644 (file)
--- a/fio.1
+++ b/fio.1
@@ -725,13 +725,16 @@ entering the kernel with a gettimeofday() call. The CPU set aside for doing
 these time calls will be excluded from other uses. Fio will manually clear it
 from the CPU mask of other jobs.
 .TP
-.BI continue_on_error \fR=\fPbool
-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'
-(\fBEIO\fR or \fBEILSEQ\fR) until the runtime is exceeded or the I/O size
-specified is completed. If this option is used, there are two more stats that
-are appended, the total error count and the first error. The error field given
-in the stats is the first error that was hit during the run.
+.BI cgroup \fR=\fPstr
+Add job to this control group. If it doesn't exist, it will be created.
+The system must have a mounted cgroup blkio mount point for this to work. If
+your system doesn't have it mounted, you can do so with:
+
+# mount -t cgroup -o blkio none /cgroup
+.TP
+.BI cgroup_weight \fR=\fPint
+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.
 .SH OUTPUT
 While running, \fBfio\fR will display the status of the created jobs.  For
 example: