When running iotop on Lucid

[Tim Gardner]

Andy Whitcroft wrote:
> On Fri, Dec 04, 2009 at 01:10:42PM -0700, Tim Gardner wrote:
>> CONFIG_TASK_DELAY_ACCT not enabled in kernel, cannot determine SWAPIN
>> and IO %
>>
>> Suppose we should enable it?
> 
> Sounds fine in principle.  I am a little concerned that it adds a
> spinlock on and update of a task specific structure for every IO by the
> looks of it.
> 
> I'll enable this for the first kernel after alpha-1 and perhaps you can
> compare the performance of the two kernels.
> 
> -apw

Guess I should have looked at it closer. In retrospect, and upon closer
inspection, lets leave this feature disabled.

rtg
-- 
Tim Gardner tim.gardner at canonical.com