RFC: Changing default filesystem parameters for power management reasons

Matthias Clasen mclasen at redhat.com
Fri Nov 28 05:54:42 UTC 2008


On Fri, 2008-11-28 at 06:49 +0100, Thorsten Leemhuis wrote:
> On 27.11.2008 16:33, Matthew Garrett wrote:
> > [...] Of 
> > course, it would also be helpful to stop applications generating dirty 
> > pages where possible. This would obviously be reverted if the system 
> > enters a critical power state.
> > [...]
> > Any thoughts?
> 
> Is there a "disktop" we could use to fine those app that generating 
> dirty pages without need? E.g. something as easy to use as powertop, 
> just for disks? If not I'd tend to say it might make sense to create 
> one, as finding and reporting the culprits that spin up the disks might 
> help this whole effort a lot.

There is something called iotop.




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