Re: [libvirt] [PATCH] set cpu bandwidth for the vm
At 07/26/2011 06:24 PM, Daniel P. Berrange write:
On Mon, Jul 25, 2011 at 01:37:14PM +0800, Wen Congyang wrote:
> The cpu bandwidth is applied at the vcpu group level. We should apply it
> at the vm group level too, because the vm may do heavy I/O, and it will affect
> the other vm.
>
> We apply cpu bandwidth at the vcpu and the vm group level, so we must ensure
> that max(child_quota)<= parent_quota when we modify cpu bandwidth.
Ahh, interesting problem !
> ---
> src/qemu/qemu_cgroup.c | 38 ++++++++++-------
> src/qemu/qemu_driver.c | 103 ++++++++++++++++++++++++++++++++++++-----------
> 2 files changed, 101 insertions(+), 40 deletions(-)
ACK
Thanks, pushed.
Daniel