From: Jan De Luyck <lkml@kcore.org>
To: Kiko Piris <kernel@pirispons.net>
Cc: Bart Samwel <bart@samwel.tk>,
linux-kernel@vger.kernel.org, Dax Kelson <dax@gurulabs.com>,
Bartek Kania <mrbk@gnarf.org>,
Simon Mackinlay <smackinlay@mail.com>
Subject: Re: [PATCH] Laptop-mode v7 for linux 2.6.1
Date: Mon, 12 Jan 2004 13:45:51 +0100 [thread overview]
Message-ID: <200401121345.51506.lkml@kcore.org> (raw)
In-Reply-To: <20040112121956.GA8226@portsdebalears.com>
On Monday 12 January 2004 13:19, Kiko Piris wrote:
> As you don't say if you have checked it, here goes my suggestion:
>
> First of all, you should assure there's no process doing reads [*] that
> cause a cache miss (eg. daemons like postfix that check the queue every
> few seconds). You can tell this running vmstat 1 and see that bi and bo
> [**] stay at 0.
bi == 0 in 99% of the time. It caused one spinup sofar, and the disk has been
spun op 10 times sofar.
> [*] Processes making disk writes are supposed to be "harmless", because
> laptop-mode will delay those writes to disk (that's what it's supposed
> to do! ;).
Well, it looks otherwise to me.
Jan
--
It's hard to keep your shirt on when you're getting something off your chest.
next prev parent reply other threads:[~2004-01-12 12:46 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-10 10:38 [PATCH] Laptop-mode v7 for linux 2.6.1 Bart Samwel
2004-01-10 11:15 ` Dax Kelson
2004-01-12 9:45 ` Jan De Luyck
2004-01-12 9:59 ` Bart Samwel
2004-01-12 12:50 ` Dax Kelson
2004-01-12 12:59 ` Bart Samwel
2004-01-12 15:04 ` Valdis.Kletnieks
2004-01-12 11:12 ` Jan De Luyck
2004-01-12 11:22 ` Bart Samwel
2004-01-12 12:43 ` Jan De Luyck
2004-01-12 13:41 ` Bart Samwel
2004-01-12 13:32 ` Hugang
2004-01-12 17:30 ` Dumitru Ciobarcianu
2004-01-12 12:19 ` Kiko Piris
2004-01-12 12:45 ` Jan De Luyck [this message]
2004-01-12 13:09 ` Jan De Luyck
2004-01-12 14:02 ` Jens Axboe
2004-01-13 11:00 ` Jan De Luyck
2004-01-13 11:01 ` Jens Axboe
2004-01-13 12:46 ` Bart Samwel
2004-01-13 14:21 ` Hugang
2004-01-13 17:17 ` Jan De Luyck
2004-02-11 6:24 ` Jan De Luyck
2004-02-11 13:00 ` Micha Feigin
-- strict thread matches above, loose matches on Subject: below --
2004-01-12 17:07 Kai Krueger
2004-01-12 19:31 ` Bart Samwel
2004-01-12 20:51 ` Dumitru Ciobarcianu
2004-01-12 21:50 ` Bart Samwel
2004-01-12 22:51 ` Andrew Morton
2004-01-13 1:10 Kai Krueger
2004-01-13 11:58 ` Bart Samwel
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