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Message-Id: <200707181650.12179.rjw@sisk.pl> Date: Wed, 18 Jul 2007 16:50:11 +0200 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Parag Warudkar <parag.warudkar@...il.com> Cc: linux-kernel@...r.kernel.org Subject: Re: 2.6.22 - Suspend and Weird Load Averages 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@...ag-desktop:~$ uptime > 09:35:14 up 5:18, 2 users, load average: 0.08, 0.87, 1.00 > After Resume - > parag@...ag-desktop:~$ uptime > 09:36:37 up 5:18, 2 users, load average: 12.53, 3.83, 1.98 > parag@...ag-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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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