Messages in this thread | | | Date | Mon, 15 Nov 2010 08:49:40 +0800 | From | Li Zefan <> | Subject | Re: Mounting blkio cgroup hierarchy |
| |
Ben Gamari wrote: > I've been trying to configure cgroups and have encountered some very > strange behavior. In particular, when I follow the instructions in > Documentation/cgroups/blkio-controller.txt I quickly reach an error, > > $ cd /mnt > $ sudo mkdir -p cgroups/blkio > $ # Confirm it's not already mounted: > $ cat /proc/mounts > $ sudo mount -t cgroup -o blkio none /mnt/cgroups/blkio ... > mount: special device none does not exist > > I've done quite a bit of Googling and yet it's very difficult to find > good information on configuring cgroups. I would use the libcg > toolset[1] but every attempt to configure it has ended in frustratingly > vague error messages. > > Any ideas? >
I suspect you didn't have blkio enabled in your kernel config.
So see if blkio is listed in /proc/cgroups or/and if CONFIG_BLK_CGROUP is enabled in your kernel config.
| |