From: Wanpeng Li <wanpeng.li@linux.intel.com>
To: Mohan Kumar <mohan.cbein@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: Query with respect to VCPU scheduling
Date: Wed, 8 Oct 2014 09:10:58 +0800 [thread overview]
Message-ID: <20141008011058.GA13262@kernel> (raw)
In-Reply-To: <CALCBee-=RCaT4gJqX7YpTngWuZAtDX=nVcSGpkWKA+1_s_VnJA@mail.gmail.com>
On Fri, Oct 03, 2014 at 01:40:29PM -0400, Mohan Kumar wrote:
>Hello all,
>
>I am new to KVM and look at a particular case in KVM.
>I know that KVM uses CFS.
>
>The question I have is as follows:
>
>- I have two VMs with 2 VCPU each. And the actual
> CPUs are also 2 and both the VMs use the 2 CPUs.
>
>I want one VM to use only 25 % of the actual CPU and the
>remaining to be used by the other VM.
>
>Since KVM uses CFS, I am thinking that with CFS I can
>provide these guarantee as mentioned above. I know
>we can do these shares with cgroups.
>
>Is cgroups the only option?. Any pointers to this would help.
How about CFS bandwidth control?
Regards,
Wanpeng Li
>
>Thanks,
>Mohan
>--
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prev parent reply other threads:[~2014-10-08 1:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 17:40 Query with respect to VCPU scheduling Mohan Kumar
2014-10-08 1:10 ` Wanpeng Li [this message]
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