Please drop CONFIG_LATENCYTOP

[Tim Gardner]

On 07/07/2014 01:32 PM, Rasmus Villemoes wrote:
> Hi,
>
> This is a proposal to drop CONFIG_LATENCYTOP=y from Ubuntu's kernel
> config. It increases the size of struct task_struct by almost a page
> (3848 bytes to be precise; this is on x86_64), which is an increase of
> about 170%. This precious kernel memory is almost never used for
> anything.
>
> If the popcon numbers are representative, less than 0.1% of the Ubuntu
> users have even installed the userspace frontend package latencytop, and
> of these, most never use it.
>
> I think it is a safe bet that a developer capable of interpreting and
> making use of the latencytop output would also be able to compile the
> kernel with a custom .config.
>
> Thanks,
> Rasmus
>

Seems reasonable.

Colin - do you have any thoughts ?

-- 
Tim Gardner tim.gardner at canonical.com