lkml.org 
[lkml]   [2007]   [Jul]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: 2.6.22 - Suspend and Weird Load Averages
Date
On Wednesday, 18 July 2007 15:51, Parag Warudkar wrote:
>
> For the first time since 1997 I have a machine (Mac Mini) running a
> stock kernel which I am suspending/resuming for 2 days now without any
> problems. Amongst the various hardware and kernel versions that I've
> used so far this combination is the first to suspend/resume without issues!
>
> But one thing that annoys me a bit is that the load averages spike up
> quite a bit after resume although it doesn't feel like the machine is
> loaded -
>
> Before Resume -
> parag@parag-desktop:~$ uptime
> 09:35:14 up 5:18, 2 users, load average: 0.08, 0.87, 1.00
> After Resume -
> parag@parag-desktop:~$ uptime
> 09:36:37 up 5:18, 2 users, load average: 12.53, 3.83, 1.98
> parag@parag-desktop:~$
>
> Is this a known problem?

I think so.

This probably is due to the freezing of tasks. Namely, the frozen tasks
are in TASK_UNINTERRUPTIBLE and add to the load average.

> Worth fixing?

Cartainly.

Greetings,
Rafael


--
"Premature optimization is the root of all evil." - Donald Knuth
-
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: 2007-07-18 16:45    [from the cache]
©2003-2011 Jasper Spaans