Messages in this thread | | | Date | Mon, 29 Mar 2004 07:07:52 +0200 | From | Andi Kleen <> | Subject | Re: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3 |
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On Mon, 29 Mar 2004 02:20:58 -0800 Rick Lindsley <ricklind@us.ibm.com> wrote:
> I've got a web page up now on my home machine which shows data from > schedstats across the various flavors of 2.6.4 and 2.6.5-rc2 under > load from kernbench, SPECjbb, and SPECdet. > > http://eaglet.rain.com/rick/linux/sched-domain/index.html > > Two things that stand out are that sched-domains tends to call > load_balance() less frequently when it is idle and more frequently when > it is busy (as compared to the "standard" scheduler.) Another is that > even though it moves fewer tasks on average, the sched-domains code shows > about half of pull_task()'s work is coming from active_load_balance() ... > and that seems wrong. Could these be contributing to what you're seeing?
Sounds quite possible yes.
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