[maemo-developers] [maemo-developers] Re: Device slowness without anything using CPU

[From: william maddler]

Marius Gedminas wrote:
> On Wed, Feb 07, 2007 at 03:42:57PM +0200, Eero Tamminen wrote:
>> ext Marius Gedminas wrote:
>>> Vmstat is useful to see why the tablet is sometimes not responsive
>>> (e.g. while installing a package), when the CPU applet shows 0% usage.
>> But the device becomes responsive again once the package installation
>> from the MMC completes, right?
> 
> Yes.  And the pause occurs pretty rarely.  I think that's when the jffs2
> log fills up and the garbage collector has to kick in.
> 
> I kept upgrading FBReader after each release, and mostly the upgrade was
> fast, but sometimes I had to wait several minutes.  That was scary the
> first time it happened.

I had apt-worker working <g> and hitting CPU for about 60 seconds a
couple time, but IIRC I had red-pill mode enabled.