Re: [patch] Real-Time Preemption, -VP-2.6.9-rc4-mm1-U0

From: Ingo Molnar
Date: Wed Oct 13 2004 - 20:39:39 EST



* Adam Heath <doogie@xxxxxxxxxx> wrote:

> Also, I noticed that the swapper/0 had a high-latency critical
> section.

this is normal during bootup - we spend many seconds with preemption
disabled - it's fair at that stage. After it has booted up you can reset
the maximum-latency searching via:

echo 50 > /proc/sys/kernel/preempt_max_latency

i have that line in my rc.local.

Ingo
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