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>
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@ -99,7 +99,7 @@ void arch_update_cpu_topology(void);
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| SD_BALANCE_FORK \
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| SD_BALANCE_EXEC \
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| SD_WAKE_AFFINE \
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| SD_WAKE_IDLE \
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| SD_WAKE_BALANCE \
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| SD_SHARE_CPUPOWER, \
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.last_balance = jiffies, \
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.balance_interval = 1, \
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