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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 14:09:44 +0100	[thread overview]
Message-ID: <200401121409.44187.lkml@kcore.org> (raw)
In-Reply-To: <20040112121956.GA8226@portsdebalears.com>

On Monday 12 January 2004 13:19, Kiko Piris wrote:
> On 12/01/2004 at 12:12, Jan De Luyck wrote:
> > Patch applied, kernel built, laptop_mode activated, but my disk just
> > doesn't want to spin down...
>
> [...]
>
> > But the disk never spins down. Not that I can tell, hdparm -C /dev/hda
> > always tells me active/idle, and the sdsl tool also reports 100% disk
> > spinning...
> >
> > anything else I have to activate/check?
>
> 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.

vmstat 1:

 0  0      0  88748  37628 216216    0    0     0     0 1514  1130  7  4 89  0
 0  0      0  88756  37628 216216    0    0     0     0 1495  1123  6  1 93  0
 0  0      0  88748  37628 216216    0    0     0     0 1504  1114  8  4 88  0
 1  0      0  88748  37628 216216    0    0     0     0 1499  1058  6  2 92  0
 0  0      0  88748  37628 216216    0    0     0     0 1488  1062  7  4 89  0
 0  0      0  88748  37628 216216    0    0     0     0 1480  1007  7  6 87  0
 0  0      0  88876  37628 216216    0    0     0     0 1524  1122  7  6 87  0
 0  0      0  88748  37628 216216    0    0     0     0 1506  1078 11  6 83  0
 0  0      0  88748  37628 216216    0    0     0     0 1500  1057 11  5 84  0
 0  0      0  88748  37628 216216    0    0     0     0 1514  1040 16  3 81  0
 0  1      0  88748  37660 216216    0    0     0    28 1523  1041 19  4 64 13
 0  1      0  88748  37660 216216    0    0     0     0 1500   994 23  2  0 75
 0  0      0  88748  37660 216216    0    0     0    32 1540  1064 25  1 53 21
 0  0      0  88748  37660 216216    0    0     0     0 1501  1064 24  0 76  0
 0  0      0  88748  37660 216216    0    0     0     0 1514  1071 24  1 75  0
 2  0      0  88812  37660 216216    0    0     0     0 1518  1086 24  1 75  0
 0  0      0  88804  37660 216216    0    0     0     0 1504  1066 24  2 74  0
 0  0      0  88740  37660 216216    0    0     0     0 1482  1015 25  1 74  0

At the presence of bo it spins up the disk.

Jan
-- 
Only fools are quoted.
		-- Anonymous


  parent reply	other threads:[~2004-01-12 13:10 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
2004-01-12 13:09     ` Jan De Luyck [this message]
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
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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