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
next prev 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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