Re: [RFC PATCH 2/3] sched: add yield_to function

[Hillf Danton]

On Mon, Jan 3, 2011 at 1:19 AM, Rik van Riel <riel@xxxxxxxxxx> wrote:
> On 01/02/2011 06:43 AM, Hillf Danton wrote:
>
>> The following work is based on what Rik posted, with a few changes.
>
> I threw out my patch before Christmas, replacing it with
> Mike Galbraith's work.
>

Would you please share the work by Mike, or info where to get it?

Hillf

> Today I finally discovered why I had not been getting
> very useful results testing the PLE code on the test
> system.
>
> On this particular CPU model (Intel(R) Xeon(R) CPU X5670),
> the value of ple_gap needs to be at least 48 !
>
> A ple_gap value of 41 is simply too low to trigger reliably
> with Avi's kvm-unit-tests PLE test and also only triggers
> a few times a second at most (not too useful) with the other
> tests I had been running...
>
> --
> All rights reversed
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/