[libvirt] [PATCH] set cpu bandwidth for the vm
Wen Congyang
wencongyang at gmail.com
Tue Jul 26 14:16:19 UTC 2011
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
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