From: Ingo Molnar <mingo@elte.hu>
To: Daniel Walker <dwalker@mvista.com>
Cc: linux-kernel@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: RT and pi_test
Date: Sun, 5 Jun 2005 11:36:32 +0200 [thread overview]
Message-ID: <20050605093632.GA6283@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.44.0506010706000.23057-100000@dhcp153.mvista.com>
* Daniel Walker <dwalker@mvista.com> wrote:
> I've run the pi_test a few times recently with some strange
> numbers. I'm getting abnormally high task latency if I run "./test
> --tasks=10 ./hist" . Depending on how long I run it, I've seen task
> latency as high as 3 milliseconds, should be 0.1ms or less.
>
> The first time I saw these latencies I has the PI abstraction applied,
> and the most recent time I had the attached patch applied only. This
> patch is small so I'm not sure if it could have that type of effect on
> task latency.
this patch now clashes with Thomas' changes. Did you mean me to apply
this patch, or is it now moot? (The way i read your mail originally what
that it was describing a problem with latencies, and including a patch
as the only thing that you had applied. It didnt too inviting to apply
:-| )
Ingo
prev parent reply other threads:[~2005-06-05 9:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-01 14:13 Daniel Walker
2005-06-05 9:36 ` Ingo Molnar [this message]
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