Re: [Qemu-discuss] qemu-system_x86_64 CPU pinning

[Alex]

On 21/01/16 19:48, Bhattiprolu RaviKumar wrote:
> All,
>
>    Attached is the patch over qemu-2.4.1. I have tested this on
> Centos7.1 with CentOS VMs using KVM. I am not sure how it effects other
> platforms.
>
> It adds a new parameter "-vcpu" to command line. The usage example is "
> -vcpu 0,affinity=20" (pin VCPU 0 to CPU ID 20). Please see if it helps you.
>
> regards,
> Ravi
>
> On Thu, Jan 21, 2016 at 3:56 PM, alex3kov <address@hidden
> <mailto:address@hidden>> wrote:
>
>     __
>     I'm interested in that as well. Would you mind proposing your patch
>     upstream?
>
>
>     ---- On Thu, 21 Jan 2016 13:09:28 +0400 *Bhattiprolu RaviKumar
>     <address@hidden
>     <mailto:address@hidden>>*wrote ----
>
>         Varun,
>              I also have a similar requirement. I had patched the code
>         over qemu 2.4.1 to add extra options to pin a VCPU to a physical
>         CPU. I am not sure why this option is not there in qemu. (or I
>         am not aware). If you use the taskset all the VCPU threads are
>         getting same mask.
>
>         If you are interested, I can post the patch above qemu 2.4.1
>         regards,
>         Ravi
This is a list for Qemu users. Here's the development one - 
https://lists.nongnu.org/mailman/listinfo/qemu-devel, I've seen patches 
being proposed there.

--
/--Regards, Alex/