Re: Very high CPU load when idle with 3.0-rc1

From: Ingo Molnar
Date: Mon May 30 2011 - 08:18:16 EST



* Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> The problem that patch tried to address is that the RCU threads
> could stay in UNINTERRUPTIBLE state for quite a while and
> triggering the hung task detector due to on-demand wake-ups.

and it's not just the hung task detector, but obviously also the load
average itself that would be skewed in this original bug case as
well.

Thanks,

Ingo
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