From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Jan Willies <jan@willies.info>
Subject: Re: 100% C0 with 2.6.25-rc
Date: Thu, 21 Feb 2008 17:33:53 +0100
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Cc: linux-acpi@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
       LKML <linux-kernel@vger.kernel.org>,
       Thomas Gleixner <tglx@linutronix.de>,
       Venki Pallipadi <venkatesh.pallipadi@intel.com>
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On Thursday, 21 of February 2008, Jan Willies wrote:
> Hi,
> 
> Since 2.6.25-rc1 I have a lot of wakeups/s (≈134191,4) and spend 100% in C0.
> It worked fine with 2.6.24 and commandline nolapic. Without nolapic I had 80k
> wakeups/s after some time, but not right from the start like now.  

We have a regression from 2.6.24, apparently interrupts-related.

> What useful information can I provide?

Let's see what the experts say.

Thanks,
Rafael
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