diff options
author | Mike Galbraith <efault@gmx.de> | 2008-11-07 09:26:50 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2008-11-07 09:35:11 -0500 |
commit | 14800984706bf6936bbec5187f736e928be5c218 (patch) | |
tree | 09b462191420a5652601a30711211693fb0e3239 | |
parent | ca3273f9646694e0419cfb9d6c12deb1c9aff27c (diff) |
sched: fine-tune SD_MC_INIT
Tune SD_MC_INIT the same way as SD_CPU_INIT:
unset SD_BALANCE_NEWIDLE, and set SD_WAKE_BALANCE.
This improves vmark by 5%:
vmark 132102 125968 125497 messages/sec avg 127855.66 .984
vmark 139404 131719 131272 messages/sec avg 134131.66 1.033
Signed-off-by: Mike Galbraith <efault@gmx.de>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
# *DOCUMENTATION*
-rw-r--r-- | include/linux/topology.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/topology.h b/include/linux/topology.h index 34a7ee0ebed2..a8d840595b7e 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h | |||
@@ -120,10 +120,10 @@ void arch_update_cpu_topology(void); | |||
120 | .wake_idx = 1, \ | 120 | .wake_idx = 1, \ |
121 | .forkexec_idx = 1, \ | 121 | .forkexec_idx = 1, \ |
122 | .flags = SD_LOAD_BALANCE \ | 122 | .flags = SD_LOAD_BALANCE \ |
123 | | SD_BALANCE_NEWIDLE \ | ||
124 | | SD_BALANCE_FORK \ | 123 | | SD_BALANCE_FORK \ |
125 | | SD_BALANCE_EXEC \ | 124 | | SD_BALANCE_EXEC \ |
126 | | SD_WAKE_AFFINE \ | 125 | | SD_WAKE_AFFINE \ |
126 | | SD_WAKE_BALANCE \ | ||
127 | | SD_SHARE_PKG_RESOURCES\ | 127 | | SD_SHARE_PKG_RESOURCES\ |
128 | | BALANCE_FOR_MC_POWER, \ | 128 | | BALANCE_FOR_MC_POWER, \ |
129 | .last_balance = jiffies, \ | 129 | .last_balance = jiffies, \ |