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authorMike Galbraith <efault@gmx.de>2008-11-07 09:26:50 -0500
committerIngo Molnar <mingo@elte.hu>2008-11-07 09:35:11 -0500
commit14800984706bf6936bbec5187f736e928be5c218 (patch)
tree09b462191420a5652601a30711211693fb0e3239
parentca3273f9646694e0419cfb9d6c12deb1c9aff27c (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.h2
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, \