From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: linux-pm@lists.linux-foundation.org
Cc: Willi Mann <foss-ml@wm1.at>, linux-pm@lists.osdl.org
Subject: Re: kernel 2.6.32 much slower than 2.6.31 on s2disk
Date: Sun, 27 Dec 2009 21:56:27 +0100 [thread overview]
Message-ID: <200912272156.27174.rjw@sisk.pl> (raw)
In-Reply-To: <hgb0q7$u8a$1@ger.gmane.org>
On Wednesday 16 December 2009, Willi Mann wrote:
> Hi!
>
> It seems to me that kernel 2.6.32 takes much longer to restore the system
> into a really responsive state, despite the fact that s2disk seems to finish
> much faster.
>
> I don't know to how to do a reliable benchmark on this problem, espially as
> the required time probably very much depends on the exact state of the
> frozen system. Is there any change in 2.6.32 that might cause less memory to
> be stored on the suspend device, and thus require more random disk access
> after the restore?
Actaully, yes, there is.
Please try to increase the value in /sys/power/image_size to approximately
1/2 of your RAM and report back (the number is in bytes).
Rafael
next prev parent reply other threads:[~2009-12-27 20:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-16 16:10 kernel 2.6.32 much slower than 2.6.31 on s2disk Willi Mann
2009-12-17 7:31 ` Willi Mann
2009-12-27 20:56 ` Rafael J. Wysocki [this message]
2009-12-28 8:25 ` Willi Mann
2009-12-28 22:56 ` Rafael J. Wysocki
2009-12-31 9:54 ` Willi Mann
2009-12-31 11:01 ` Rafael J. Wysocki
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