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SubjectRe: [Patch 2/8] Sync block I/O and swapin delay collection
Balbir Singh wrote:
> On Tue, May 09, 2006 at 06:20:12PM +1000, Nick Piggin wrote:

>>So... what are the consumers of this data going to be? That is my question.
>
>
> More details on the consumers of this data is available at
> http://lkml.org/lkml/2006/3/13/367

Profiling, monitoring, and control (workload management).

Sounds like something that at the moment, most users and most
applications will not use, most of the time.

I won't question the usefulness of the statistics to some
applications, but at the moment is it is reasonable to add this
overhead for everyone, or even for all tasks? Adding a bit more
work for those that want the stats won't be too bad.

Thanks,
Nick

--
SUSE Labs, Novell Inc.
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