From: Ingo Molnar Date: Fri, 7 Nov 2008 15:09:23 +0000 (+0100) Subject: sched: fine-tune SD_SIBLING_INIT X-Git-Tag: v2.6.28-rc4~17^2 X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=commitdiff_plain;h=52c642f33b14bfa1b00ef2b68296effb34a573f3 sched: fine-tune SD_SIBLING_INIT fine-tune the HT sched-domains parameters as well. On a HT capable box, this increases lat_ctx performance from 23.87 usecs to 1.49 usecs: # before $ ./lat_ctx -s 0 2 "size=0k ovr=1.89 2 23.87 # after $ ./lat_ctx -s 0 2 "size=0k ovr=1.84 2 1.49 Signed-off-by: Ingo Molnar --- diff --git a/include/linux/topology.h b/include/linux/topology.h index a8d840595b7..117f1b7405c 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -99,7 +99,7 @@ void arch_update_cpu_topology(void); | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ - | SD_WAKE_IDLE \ + | SD_WAKE_BALANCE \ | SD_SHARE_CPUPOWER, \ .last_balance = jiffies, \ .balance_interval = 1, \