| commit | 799e2205ec65e174f752b558c62a92c4752df313 | |
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | |
| Fri, 9 Oct 2009 10:16:40 +0000 (9 12:16 +0200) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Wed, 14 Oct 2009 13:02:34 +0000 (14 15:02 +0200) | ||
| tree | dc2438771be941b485f0da12a1ff177f0797e57b | treesnapshot (tar.gz zip) |
| parent | e17b38bf9e70d74f3739a600db75240078ac1407 | commitdiff |
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>
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 | diffblobblamehistory | |
| include/linux/topology.h | diffblobblamehistory |