Re: [PATCH 6/7] KVM-GST: adjust scheduler cpu power

Asias He
2011-06-14T02:49:31Z

On 06/14/2011 07:31 AM, Glauber Costa wrote:
> This is a first proposal for using steal time information
> to influence the scheduler. There are a lot of optimizations
> and fine grained adjustments to be done, but it is working reasonably
> so far for me (mostly)
>
> With this patch (and some host pinnings to demonstrate the situation),
> two vcpus with very different steal time (Say 80 % vs 1 %) will not get
> an even distribution of processes. This is a situation that can naturally
> arise, specially in overcommited scenarios. Previosly, the guest scheduler
> would wrongly think that all cpus have the same ability to run processes,
> lowering the overall throughput.

One typo in the commit log:

s/Previosly/Previously

--
Best Regards,
Asias He