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(parent: e17b38b) | patch
sched: Disable SD_PREFER_LOCAL for MC/CPU domains
authorPeter Zijlstra <a.p.zijlstra@chello.nl>
Fri, 9 Oct 2009 10:16:40 +0000 (12:16 +0200)
committerIngo Molnar <mingo@elte.hu>
Wed, 14 Oct 2009 13:02:34 +0000 (15:02 +0200)
commit799e2205ec65e174f752b558c62a92c4752df313
treedc2438771be941b485f0da12a1ff177f0797e57btree | snapshot
parente17b38bf9e70d74f3739a600db75240078ac1407commit | diff
sched: Disable SD_PREFER_LOCAL for MC/CPU domains

Yanmin reported that both tbench and hackbench were significantly
hurt by trying to keep tasks local on these domains, esp on small
cache machines.

So disable it in order to promote spreading outside of the cache
domains.

Reported-by: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
CC: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1255083400.8802.15.camel@laptop>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/include/asm/topology.h diff | blob | history
include/linux/topology.h diff | blob | history
Domain: System / Uncategorized;