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 <mingo@elte.hu>
diff --git a/include/linux/topology.h b/include/linux/topology.h
index a8d8405..117f1b7 100644
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -99,7 +99,7 @@
| SD_BALANCE_FORK \
| SD_BALANCE_EXEC \
| SD_WAKE_AFFINE \
- | SD_WAKE_IDLE \
+ | SD_WAKE_BALANCE \
| SD_SHARE_CPUPOWER, \
.last_balance = jiffies, \
.balance_interval = 1, \