From: Andi Kleen <ak@muc.de>
To: Timm Morten Steinbeck <timm.steinbeck@kip.uni-heidelberg.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PATCH: Precise Accounting for 2.6.7
Date: Wed, 23 Jun 2004 16:54:38 +0200 [thread overview]
Message-ID: <m33c4m495d.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <2ah51-6Va-35@gated-at.bofh.it> (Timm Morten Steinbeck's message of "Wed, 23 Jun 2004 16:40:11 +0200")
Timm Morten Steinbeck <timm.steinbeck@kip.uni-heidelberg.de> writes:
> Hi,
>
> we have ported our x86 precise accounting patch from the 2.4 kernel
> series to 2.6.7.
[...]
On many SMP systems it will not be very precise after longer uptimes
because the TSCs of the CPUs drift away noticeable and timestamps
from different CPUs cannot be really compared.
-Andi
next parent reply other threads:[~2004-06-23 14:56 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2ah51-6Va-35@gated-at.bofh.it>
2004-06-23 14:54 ` Andi Kleen [this message]
2004-06-23 15:20 ` PATCH: Precise Accounting for 2.6.7 Timm Morten Steinbeck
[not found] <2ahy0-7hr-11@gated-at.bofh.it>
[not found] ` <2ahy0-7hr-9@gated-at.bofh.it>
[not found] ` <2ahRk-7rV-1@gated-at.bofh.it>
2004-06-23 18:36 ` Andi Kleen
2004-06-23 14:36 Timm Morten Steinbeck
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