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authorMike Galbraith <efault@gmx.de>2009-09-09 15:41:37 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-09 17:30:06 +0200
commit172e082a9111ea504ee34cbba26284a5ebdc53a7 (patch)
treeda8e95b16003960d3c132f51e01f83aae6b25d4b /kernel/kthread.c
parent2bba22c50b06abe9fd0d23933b1e64d35b419262 (diff)
sched: Re-tune the scheduler latency defaults to decrease worst-case latencies
Reduce the latency target from 20 msecs to 5 msecs. Why? Larger latencies increase spread, which is good for scaling, but bad for worst case latency. We still have the ilog(nr_cpus) rule to scale up on bigger server boxes. Signed-off-by: Mike Galbraith <efault@gmx.de> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1252486344.28645.18.camel@marge.simson.net> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/kthread.c')
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