Re: [Lse-tech] [patch] sched-domain cleanups, sched-2.6.5-rc2-mm2-A3

From: Rick Lindsley
Date: Mon Mar 29 2004 - 05:23:31 EST

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.

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?

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