Re: [PATCH] x86: Reduce the default HZ value

[Christoph Lameter]

On Thu, 7 May 2009, Peter Zijlstra wrote:

> > What are high context switch rates? 1000 HZ? Generally it seems that
> > context switches are bad for cpu caches and thus to be avoided.
>
>
> We're talking about in excess of 250k switches a second.

Timer resources are not processor specific? Why such a high rate?

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