Re: Prefetch kernel stacks to speed up context switch

From: Grant Grundler <iod00d_at_hp.com>
Date: 2005-09-08 02:14:23
On Wed, Sep 07, 2005 at 04:52:17PM +0800, Coywolf Qi Hunt wrote:
> On 9/7/05, Chen, Kenneth W <kenneth.w.chen@intel.com> wrote:
> > Repost previously discussed patch (on Jul 27, 2005).

For reference:
http://www.gelato.unsw.edu.au/archives/linux-ia64/0507/14686.html

> Do you have any benchmarks?

Have you read the discussion?
See:
    http://www.gelato.unsw.edu.au/archives/linux-ia64/0507/14685.html

Ken didn't post any benchmark results originally but clearly
stated the cacheline misses were occurring enough to be measurable.
Just knowing which workload and how much much time was spent
stalling for cacheline misses should be sufficient.

grant
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Received on Thu Sep 08 02:12:18 2005

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