Date: Mon, 20 Feb 2006 15:42:54 +0100
From: Pavel Machek <pavel@ucw.cz>
To: Harald Arnesen <harald@skogtun.org>
Cc: Matthias Hensler <matthias@wspse.de>, Lee Revell <rlrevell@joe-job.com>,
       Sebastian Kgler <sebas@kde.org>,
       kernel list <linux-kernel@vger.kernel.org>, nigel@suspend2.net,
       rjw@sisk.pl
Subject: Re: Which is simpler?
Message-ID: <20060220144254.GC1673@atrey.karlin.mff.cuni.cz>
References: <20060218142610.GT3490@openzaurus.ucw.cz> <20060220093911.GB19293@kobayashi-maru.wspse.de> <1140430002.3429.4.camel@mindpipe> <20060220101532.GB21817@kobayashi-maru.wspse.de> <1140431058.3429.15.camel@mindpipe> <20060220103329.GE21817@kobayashi-maru.wspse.de> <1140434146.3429.17.camel@mindpipe> <20060220122443.GB3495@kobayashi-maru.wspse.de> <20060220132842.GC23277@atrey.karlin.mff.cuni.cz> <8764nagm2b.fsf@basilikum.skogtun.org>
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> Pavel Machek <pavel@ucw.cz> writes:
> 
> >> Ah, and now the part I really like, some hard numbers:
> >> swsusp takes between 26 and 30 seconds to suspend (in my four tries: 26,
> >> 30, 28, 26) and between 35 and 45 seconds to resume (35, 45, 39, 37).
> >> 
> >> Suspend 2 does suspend in around 14-16 seconds, and resume in 18 to 21.
> >> 
> >> That is factor 2!
> >
> > Does that include time to boot resume kernel? It will not be that
> > dramatic with that time included, and it is only fair to include
> > it. Anyway uswsusp solves that issue.
> 
> On my old ThinkPad, the difference is more like a factor of 3 to 4 -
> from the moment I press the power button until X is up and running.

Well, yep, it really depends on CPU/harddisk.

Can you try code from suspend.sf.net? It should be as fast as
suspend2.

								Pavel

-- 
Thanks, Sharp!
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