Messages in this thread | | | Date | Mon, 13 Sep 2004 13:09:41 -0700 (PDT) | From | <> | Subject | Re: Scheduler fairness problem on 2.6 series (Attn: Nick Piggin and others) |
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--- Peter Williams <pwil3058@bigpond.net.au> wrote:
>> Nicolas, >> I'll generate a combined patch and let you know when it's ready. In >> the mean time, could you try increasing the "base_promotion_interval" to >> about twice the time slice size? >
>A patch for the ZAPHOD compiler on top of the R5 voluntary preemption >patches is available at: > ><http://prdownloads.sourceforge.net/cpuse/patch-2.6.9-rc1-vp-R5-zaphod-v5.0.1?download> > >Due to the fact that the R5 patch requires the bk12 patch to be applied >to 2.6.9-rc1 before it is applied, generating a combined patch resulted >in a very large patch (and lots of duplicated effort) so this patch is >not a combined patch but is relative to a 2.6.9-rc1 kernel with bk12 and > voluntary preempt R5 patches already applied.
I have been running for several days with this patched kernel, with 0 for max_ia_bonus and 0 for max_tpt_bonus in "pb" mode
and there are no slow downs at all: my system is running very steadily now!
So it seems that we are getting somewhere!!
Nicolas
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