Re: When will the lunacy end? (Was Re: [PATCH] uswsusp: addpmops->{prepare,enter,finish} support (aka "platform mode"))

From: Bryan O'Sullivan
Date: Tue Sep 26 2006 - 13:29:57 EST


On Tue, 2006-09-26 at 18:44 +0100, Alan Cox wrote:
> Ar Maw, 2006-09-26 am 09:45 -0700, ysgrifennodd Bryan O'Sullivan:
> > 16 seconds doing things to devices
>
> Flushing the cache of a busy disk is 7 seconds a disk just to begin
> with.

This is an idle machine whose only activity is to have woken up from an
earlier swsusp. If I scribble on the disk a lot, it increases the
amount of time that swsusp takes, but only by a handful of seconds
(about the 7 you indicate, depending on the amount of dirty data).

<b

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