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

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From: Gautham R Shenoy
Subject: Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2)
Date: Wednesday, April 4, 2007 - 3:41 am

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

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. 


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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[RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Sun Apr 1, 10:34 pm)
[PATCH 1/8] Enhance process freezer interface for usage be ..., Gautham R Shenoy, (Sun Apr 1, 10:37 pm)
[PATCH 2/8] Make process freezer reentrant, Gautham R Shenoy, (Sun Apr 1, 10:37 pm)
[PATCH 3/8] Use process freezer for cpu-hotplug, Gautham R Shenoy, (Sun Apr 1, 10:38 pm)
[PATCH 4/8] Rip out lock_cpu_hotplug(), Gautham R Shenoy, (Sun Apr 1, 10:39 pm)
[PATCH 5/8] __cpu_up: use singlethreaded workqueue, Gautham R Shenoy, (Sun Apr 1, 10:40 pm)
[PATCH 6/8] Make non-singlethreaded workqueues freezeable ..., Gautham R Shenoy, (Sun Apr 1, 10:41 pm)
[PATCH 7/8] Clean up workqueue.c with respect to the freez ..., Gautham R Shenoy, (Sun Apr 1, 10:42 pm)
[PATCH 8/8] Make kernel threads freezeable for cpu-hotplug, Gautham R Shenoy, (Sun Apr 1, 10:42 pm)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Ingo Molnar, (Sun Apr 1, 11:16 pm)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Srivatsa Vaddagiri, (Mon Apr 2, 2:28 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Ingo Molnar, (Mon Apr 2, 4:18 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Mon Apr 2, 4:19 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Ingo Molnar, (Mon Apr 2, 4:27 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Srivatsa Vaddagiri, (Mon Apr 2, 5:42 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Pavel Machek, (Mon Apr 2, 6:22 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Pavel Machek, (Mon Apr 2, 6:56 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Mon Apr 2, 7:16 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Ingo Molnar, (Mon Apr 2, 11:56 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Rafael J. Wysocki, (Mon Apr 2, 1:48 pm)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Pavel Machek, (Mon Apr 2, 1:51 pm)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Rafael J. Wysocki, (Mon Apr 2, 3:12 pm)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Gautham R Shenoy, (Tue Apr 3, 12:59 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Oleg Nesterov, (Tue Apr 3, 4:47 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Tue Apr 3, 5:01 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Srivatsa Vaddagiri, (Tue Apr 3, 5:56 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Srivatsa Vaddagiri, (Tue Apr 3, 6:59 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Tue Apr 3, 7:01 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Tue Apr 3, 7:15 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Oleg Nesterov, (Tue Apr 3, 8:03 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Srivatsa Vaddagiri, (Tue Apr 3, 10:18 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Rafael J. Wysocki, (Tue Apr 3, 12:34 pm)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Andrew Morton, (Tue Apr 3, 1:24 pm)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Srivatsa Vaddagiri, (Tue Apr 3, 8:15 pm)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Ingo Molnar, (Wed Apr 4, 3:04 am)
Re: utrace merge, Ingo Molnar, (Wed Apr 4, 3:06 am)
Re: utrace merge, Christoph Hellwig, (Wed Apr 4, 3:36 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Wed Apr 4, 3:41 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Ingo Molnar, (Wed Apr 4, 4:49 am)
Re: [RFC] Cpu-hotplug: Using the Process Freezer (try2), Gautham R Shenoy, (Wed Apr 4, 5:24 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Oleg Nesterov, (Wed Apr 4, 8:28 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Srivatsa Vaddagiri, (Wed Apr 4, 10:49 am)
Re: utrace merge, Andrew Morton, (Wed Apr 4, 11:41 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Oleg Nesterov, (Thu Apr 5, 2:46 am)
Re: [PATCH 2/8] Make process freezer reentrant, Oleg Nesterov, (Thu Apr 5, 2:53 am)
Re: [PATCH 2/8] Make process freezer reentrant, Gautham R Shenoy, (Thu Apr 5, 3:19 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Oleg Nesterov, (Thu Apr 5, 3:53 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Gautham R Shenoy, (Thu Apr 5, 3:59 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Oleg Nesterov, (Thu Apr 5, 4:30 am)
Re: [PATCH 6/8] Make non-singlethreaded workqueues freezea ..., Oleg Nesterov, (Thu Apr 5, 4:57 am)
Re: [PATCH 5/8] __cpu_up: use singlethreaded workqueue, Oleg Nesterov, (Thu Apr 5, 5:08 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Gautham R Shenoy, (Thu Apr 5, 5:14 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Oleg Nesterov, (Thu Apr 5, 5:20 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Oleg Nesterov, (Thu Apr 5, 6:34 am)
Re: [PATCH 6/8] Make non-singlethreaded workqueues freezea ..., Andrew Morton, (Thu Apr 5, 1:06 pm)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Rafael J. Wysocki, (Fri Apr 6, 7:34 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Nathan Lynch, (Fri Apr 6, 10:27 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Ingo Molnar, (Fri Apr 6, 10:34 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Nathan Lynch, (Fri Apr 6, 10:47 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Nigel Cunningham, (Fri Apr 6, 3:20 pm)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Nigel Cunningham, (Fri Apr 6, 3:22 pm)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Rafael J. Wysocki, (Sat Apr 7, 2:33 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Nigel Cunningham, (Sat Apr 7, 2:47 am)
Re: [PATCH 1/8] Enhance process freezer interface for usag ..., Gautham R Shenoy, (Sun Apr 8, 8:04 pm)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Srivatsa Vaddagiri, (Wed Apr 11, 7:22 pm)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Gautham R Shenoy, (Thu Apr 12, 3:01 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Oleg Nesterov, (Thu Apr 12, 9:00 am)
Re: [PATCH 7/8] Clean up workqueue.c with respect to the f ..., Gautham R Shenoy, (Fri Apr 13, 2:46 am)
Re: [PATCH 3/8] Use process freezer for cpu-hotplug, Pavel Machek, (Sat Apr 14, 11:48 am)