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| author | Mike Galbraith <efault@gmx.de> | 2008-11-07 15:26:50 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-07 15:35:11 +0100 |
| commit | 14800984706bf6936bbec5187f736e928be5c218 (patch) | |
| tree | 09b462191420a5652601a30711211693fb0e3239 | |
| parent | ca3273f9646694e0419cfb9d6c12deb1c9aff27c (diff) | |
| download | op-kernel-dev-14800984706bf6936bbec5187f736e928be5c218.zip op-kernel-dev-14800984706bf6936bbec5187f736e928be5c218.tar.gz | |
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 34a7ee0..a8d8405 100644 --- a/include/linux/topology.h +++ b/include/linux/topology.h @@ -120,10 +120,10 @@ void arch_update_cpu_topology(void); .wake_idx = 1, \ .forkexec_idx = 1, \ .flags = SD_LOAD_BALANCE \ - | SD_BALANCE_NEWIDLE \ | SD_BALANCE_FORK \ | SD_BALANCE_EXEC \ | SD_WAKE_AFFINE \ + | SD_WAKE_BALANCE \ | SD_SHARE_PKG_RESOURCES\ | BALANCE_FOR_MC_POWER, \ .last_balance = jiffies, \ |
