linux-kernel - Re: high %CPU values after upgrading to the last stable kernel

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Date:	Thu, 23 Oct 2008 18:55:23 +0400
From:	sbs <gexlie@...il.com>
To:	"Alistair John Strachan" <alistair@...zero.co.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: high %CPU values after upgrading to the last stable kernel

thank you
will be waiting until it gets fixed

On Thu, Oct 23, 2008 at 4:55 AM, Alistair John Strachan
<alistair@...zero.co.uk> wrote:
> On Wednesday 22 October 2008 23:40:54 Ray Lee wrote:
>> On Wed, Oct 22, 2008 at 2:04 PM, Frédéric Weisbecker <fweisbec@...il.com>
> wrote:
>> > 2008/10/22 sbs <gexlie@...il.com>:
> [snip]
>> >> should i upgrade procps or downgrade kernel then to get proper values
>> >> back? :) or is it a feature of the new kernel?
>> >>
>> >> thank you
>> >
>> > Hi,
>> >
>> > It really depends on what your box is doing at the time you capture
>> > the cpu usage.
>> > And it really depends too of your kernel config...
>>
>> It really shouldn't, we're talking about /proc which is supposed to be
>> a stable userspace interface.
>>
>> Try upgrading your procps, there's a chance it's just so ancient that
>> it accidentally got broken. However, if that fixes your problem, then
>> please report back with a subject line of "/proc API breakage" or
>> somesuch, to get the proper attention to the issue.
>
> This is a known kernel bug that for some reason wasn't fixed before 2.6.27 was
> released. See http://bugzilla.kernel.org/show_bug.cgi?id=11209 for details.
>
> It would probably be useful if the OP added himself to the CC list, so Peter
> can get some more details about the box.
>
> --
> Cheers,
> Alistair.
>
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