From: Lukas Hejtmanek <xhejtman@ics.muni.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Marcin Slusarz <marcin.slusarz@gmail.com>,
Arjan van de Ven <arjan@infradead.org>,
linux-kernel@vger.kernel.org,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: Bootup time regression from 2.6.27 to 2.6.28-rc3+
Date: Sun, 9 Nov 2008 21:09:18 +0100 [thread overview]
Message-ID: <20081109200918.GA4361@ics.muni.cz> (raw)
In-Reply-To: <200811091424.10943.rjw@sisk.pl>
On Sun, Nov 09, 2008 at 02:24:10PM +0100, Rafael J. Wysocki wrote:
> > > Do you have NO_HZ enabled?
> > > (Cc'ing Thomas)
> >
> > indeed, I have. Should I try it without NO_HZ?
>
> Yes, please.
I tried it, it is not better. I/O operations on /dev/sda1 often require a key
hit. It is AHCI driver.
--
Lukáš Hejtmánek
next prev parent reply other threads:[~2008-11-09 20:09 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-04 17:33 Bootup time regression from 2.6.27 to 2.6.28-rc3+ Lukas Hejtmanek
2008-11-09 0:06 ` Rafael J. Wysocki
2008-11-09 4:55 ` Arjan van de Ven
2008-11-09 8:56 ` Lukas Hejtmanek
2008-11-09 10:52 ` Marcin Slusarz
2008-11-09 11:33 ` Lukas Hejtmanek
2008-11-09 13:24 ` Rafael J. Wysocki
2008-11-09 20:09 ` Lukas Hejtmanek [this message]
2008-11-09 20:28 ` Arjan van de Ven
2008-11-09 20:34 ` Lukas Hejtmanek
2008-11-09 21:24 ` Arjan van de Ven
2008-11-09 21:38 ` Lukas Hejtmanek
2008-11-09 21:43 ` Lukas Hejtmanek
2008-11-09 21:57 ` Thomas Gleixner
2008-11-10 8:12 ` Lukas Hejtmanek
2008-11-10 12:16 ` Lukas Hejtmanek
2008-11-09 21:56 ` Thomas Gleixner
2008-11-09 22:46 ` Bernhard Schmidt
2008-11-09 22:53 ` Frans Pop
2008-11-14 1:45 ` Frans Pop
2008-11-15 17:16 ` Frans Pop
2008-11-15 18:04 ` Arjan van de Ven
2008-11-16 19:27 ` [2.6.28-rc5] TSC sync error and high hrtimer_start (was: Bootup time regression from 2.6.27 to 2.6.28-rc3+) Frans Pop
2008-11-17 2:18 ` Frans Pop
2008-11-10 13:45 ` Bootup time regression from 2.6.27 to 2.6.28-rc3+ Yves-Alexis Perez
2008-11-11 17:33 ` Len Brown
2008-11-09 20:39 ` Linus Torvalds
2008-11-09 20:48 ` Arjan van de Ven
2008-11-09 14:20 ` Frans Pop
2008-11-09 15:14 ` Lukas Hejtmanek
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