lkml.org 
[lkml]   [2005]   [Dec]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: swsusp performance problems in 2.6.15-rc3-mm1
From
Date
Hi again.

On Tue, 2005-12-06 at 08:28, Rafael J. Wysocki wrote:
> Hi,
>
> On Monday, 5 December 2005 14:58, Nigel Cunningham wrote:
> > On Mon, 2005-12-05 at 22:17, Pavel Machek wrote:
> > > > On recent kernels such as 2.6.14-rc2-mm1, a swsusp of my laptop (1.25
> > > > GB, P4M 1.4 GHz) was a pretty fast process; freeing memory took about 3
> > > > seconds or less, and writing out the swap image took less than 5
> > > > seconds, so within 15 seconds of running my suspend script power was
> > > > off.
> > >
> > > So suspend took 15 second, and boot another 5 to read the image + 20
> > > first time desktops are switched. ... ~40 second total.
> >
> > Plus what is mentioned in the next paragraph.
>
> Indeed. Yet, the point has been made and backed up with some numbers:
> There's at least one swsusp user (Andy) who would apparently _prefer_ if more
> memory were freed during suspend. The reason is the amount of
> RAM in the Andy's box.

Perhaps I wasn't clear enough. I was arguing that if you get your prompt
back in 40s, but the computer is still thrashing for the next minute or
ten, you haven't really finished resuming yet.

Regards,

Nigel

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-12-06 02:42    [from the cache]
©2003-2011 Jasper Spaans