Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2)

On Wed, Apr 04, 2007 at 12:04:31PM +0200, Ingo Molnar wrote:

yeah, i think you are right - and the TASK_UNINTERRUPTIBLE thing is not
only quite complex, it also breaks the symmetry of freezer use
(sw-suspend obviously cannot freeze uninterruptible tasks). We should
watch whether the current latency of freezing is good enough in
practice.

Ok. Do you have any specific tests in mind which I can run and post the
numbers?

As of now, I've been stressing the system with (kernbench + ondemand governor)
and timing the hotplug operation.


Ingo

Thanks and Regards
gautham.
--
Gautham R Shenoy
Linux Technology Center
IBM India.
"Freedom comes with a price tag of responsibility, which is still a bargain,
because Freedom is priceless!"
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