I want to use the cgroup with libvirt+qemu. The VM runs well.
But the libvirt report error, here is the libvirt debug info:
Quote:
2012-07-19 09:40:10.726+0000: 32341: debug : virCgroupNew:603 : New group /
2012-07-19 09:40:10.726+0000: 32341: info : qemudStartup:597 : Unable to create cgroup for driver: No such device or address
2012-07-19 09:40:10.726+0000: 32341: debug : virLockManagerNopInit:35 : version=1000000 configFile=(null) flags=0
2012-07-19 09:40:10.726+0000: 32341: info : qemudLoadDriverConfig:332 : Configured cgroup controller 'cpu'
2012-07-19 09:40:10.726+0000: 32341: info : qemudLoadDriverConfig:332 : Configured cgroup controller 'cpuacct'
2012-07-19 09:40:10.726+0000: 32341: info : qemudLoadDriverConfig:332 : Configured cgroup controller 'cpuset'
2012-07-19 09:40:10.726+0000: 32341: info : qemudLoadDriverConfig:332 : Configured cgroup controller 'memory'
2012-07-19 09:40:10.726+0000: 32341: info : qemudLoadDriverConfig:332 : Configured cgroup controller 'devices'
2012-07-19 09:40:10.726+0000: 32341: info : qemudLoadDriverConfig:332 : Configured cgroup controller 'blkio'
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I can't find the /sys/fs/cgroup dir or any other dir?
Quote:
virsh blkiotune test
error: Unable to get blkio parameters
error: Requested operation is not valid: blkio cgroup isn't mounted
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thank you.