RFC: Changing default filesystem parameters for power management reasons

[Thorsten Leemhuis]

On 28.11.2008 06:54, Matthias Clasen wrote:
> 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.

I wouldn't call iotop as easy to use at powertop. And the latter afaics 
was such a success mainly because it was so easy to use.

CU
knurd