linux-kernel - Re: [TuxOnIce-devel] Swsusp patches applied to suspend-2.6#linux-next

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Message-ID: <20100927093826.GA6904@wrars-comp.wrarsdomain>
Date:	Mon, 27 Sep 2010 15:38:26 +0600
From:	Andrey Rahmatullin <wrar@...linux.org>
To:	Nigel Cunningham <nigel@...onice.net>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	TuxOnIce-devel <tuxonice-devel@...onice.net>
Subject: Re: [TuxOnIce-devel] Swsusp patches applied to suspend-2.6#linux-next

On Mon, Sep 27, 2010 at 06:29:35PM +1000, Nigel Cunningham wrote:
> >> As discussed, here are the patches, modified to apply against your current
> >> linux-next tree. A new first patch splits compression support out into its
> >> own file, removing the need to have two versions of the load_image and
> >> save_image routines, minimising the changes to the remainder of the
> >> patches and making things cleaner than would otherwise be the case.
> >>
> >> On my laptop, single-threaded compression actually slows writing down from
> >> 175MB/s to around 100-120MB/s (depending on how well the image compresses).
> >> Reading speed improves from 218MB/s to around 245MB/s. I expect that
> >> multithreaded writing would bring the writing (and reading) speeds back
> >> up. It's on my swsusp to do list :)
> > Works here.
> 
> Ah. You're too fast for me :)
> 
> What sort of speeds are you seeing?
Well, I don't see any 'PM: Image read at' etc in the kernel logs after
resuming (in for-rafael tree).

-- 
WBR, wRAR (ALT Linux Team)

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