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

[Peter Zijlstra]

On Thu, 2009-05-07 at 13:18 -0400, Christoph Lameter wrote:
> On Thu, 7 May 2009, Peter Zijlstra wrote:
> 
> > Therefore, decreasing the HZ value to say 50, we'd get a minimum
> > involuntary preemption granularity of 20ms, something on the high end of
> > barely usable.
> 
> But the schedule is activated when a process is being woken up. The main
> use is for load balancing.

Somehow people like involuntary preemption to happen at slightly more
than glacial pace as well.



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