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Re: [Xen-devel] How to Stop scheduler

To: Pankaj Parakh <me.pankajparakh@xxxxxxxxx>
Subject: Re: [Xen-devel] How to Stop scheduler
From: George Dunlap <George.Dunlap@xxxxxxxxxxxxx>
Date: Tue, 3 Nov 2009 11:48:29 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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Do you mean that you want to stop one specific vcpu / domain from
being scheduled?

If so, you're looking for the following functions:
vcpu_pause(), vcpu_unpause()
domain_pause(), domain_unpause().

They're defined in xen/common/domain.c.

 -George


On Mon, Nov 2, 2009 at 9:02 PM, Pankaj Parakh <me.pankajparakh@xxxxxxxxx> wrote:
> Hi All,
>
> I am working on a project wherein I wanted to stop the scheduling
> activity in hypervisor through 'generic' part of scheduler, I have lil
> confusion as to what all things I need to mask/stop for disabling
> hypervisor to schedule any vcpu untill I want.
>
> Issues which I can think are about I/O waits or Zombie VCPUs. But how
> to tackle them... I dont know..
>
> I wanted to know what all responsibility the generic scheduler holds
> in hypervisor,
>
> Any type of info or pointer can be useful.
>
> Thanks
> Pankaj Parakh
>
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