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From: Ingo Molnar <mingo@elte.hu>
To: kus Kusche Klaus <kus@keba.com>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
	B.Zolnierkiewicz@elka.pw.edu.pl,
	Florian Schmidt <mista.tapas@gmx.net>
Subject: Re: 2.6.11, IDE: Strange scheduling behaviour: high-pri RT process not scheduled?
Date: Thu, 31 Mar 2005 17:22:40 +0200	[thread overview]
Message-ID: <20050331152240.GA7509@elte.hu> (raw)
In-Reply-To: <AAD6DA242BC63C488511C611BD51F3673231D2@MAILIT.keba.co.at>


* kus Kusche Klaus <kus@keba.com> wrote:

> The following tests are made with 'IRQ 8' at 95, rtc_wakeup at 89(99):
> * Heavy mmap load, no oom: max jitter:     42.1% (   51 usec)
> * Heavy mmap load, oom:    max jitter:  11989.2% (14635 usec)
>   (but still "missed irqs: 0", so IRQ 8 was also blocked for 14 ms)

did you get any kernel messages in that time? (about missed irqs, etc.)  
Please do a 'dmesg -n 0' to minimize the effect of kernel messages.

	Ingo

  reply	other threads:[~2005-03-31 15:23 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-31 15:19 2.6.11, IDE: Strange scheduling behaviour: high-pri RT process not scheduled? kus Kusche Klaus
2005-03-31 15:19 ` kus Kusche Klaus
2005-03-31 15:22 ` Ingo Molnar [this message]
  -- strict thread matches above, loose matches on Subject: below --
2005-04-01  9:07 kus Kusche Klaus
2005-04-01  9:07 ` kus Kusche Klaus
2005-03-31 11:05 kus Kusche Klaus
2005-03-31 11:05 ` kus Kusche Klaus
2005-03-30 12:21 kus Kusche Klaus
2005-03-30 12:21 ` kus Kusche Klaus
2005-03-30 11:52 kus Kusche Klaus
2005-03-30 11:52 ` kus Kusche Klaus
2005-03-30 12:06 ` Bartlomiej Zolnierkiewicz
2005-03-30 14:41 ` Mark Hahn
2005-03-30 14:41   ` Mark Hahn
2005-03-30 20:37   ` Lee Revell
2005-03-31 11:35 ` Ingo Molnar

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