From: Daniel Walker <dwalker@mvista.com>
To: Guillaume Chazarain <guichaz@gmail.com>
Cc: Andi Kleen <ak@suse.de>, john stultz <johnstul@us.ibm.com>,
mathieu.desnoyers@polymtl.ca, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Add an offset in the cyc2ns computation to fix sched_clock jumps
Date: Fri, 16 Mar 2007 11:30:46 -0700 [thread overview]
Message-ID: <1174069846.3101.113.camel@imap.mvista.com> (raw)
In-Reply-To: <3d8471ca0703161114o7ad654car60c1a6b801401149@mail.gmail.com>
On Fri, 2007-03-16 at 19:14 +0100, Guillaume Chazarain wrote:
> Hello,
>
> The scheduling problems I reported in the thread:
> http://lkml.org/lkml/2007/3/3/128
> are caused by the set_cyc2ns_scale() function called when the CPU speed changes.
> Changing the scale causes a warp in the value returned by sched_clock().
>
Did you explain what the "werirdnes" was exactly? If not, could you?
Daniel
next prev parent reply other threads:[~2007-03-16 18:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-16 18:14 Guillaume Chazarain
2007-03-16 18:22 ` Andi Kleen
2007-03-16 18:48 ` Guillaume Chazarain
2007-03-16 18:26 ` john stultz
2007-03-16 18:30 ` Daniel Walker [this message]
2007-03-16 18:36 ` Andreas Kleen
2007-03-16 18:44 ` Guillaume Chazarain
2007-03-18 21:08 ` Mathieu Desnoyers
2007-03-18 22:09 ` Guillaume Chazarain
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