On 08/27/2013 12:10 PM, hzguanqiang@corp.netease.com wrote:

> Hello experts,

> 

> It seems that blkiotune of kvm domain is set through qemu now, and We found there are some throttle shaking problem when using this interface.

> 

> As you can do the same thing through blkio cgroup, and this sounds to show better performance, Can we realize domainSetBlockIoTune by cgroup just like interface domainSetBlkioParameters ? Or Add a new

> interface to support setting disk IOtune by blkio cgroup?

> 

 

You mean blkio.throttle.[write|read]_bps_device?

libvirt doesn't support this interface of block cgroup now.

 

Maybe we can implement this feature.