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Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for short-lived threads

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From: Ingo Molnar
Subject: Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for short-lived threads
Date: Friday, February 8, 2008 - 5:08 pm

* Olof Johansson <olof@lixom.net> wrote:


if you enable SCHED_DEBUG, and subtract 4 from the value of 
/proc/sys/kernel/sched_features, does it get any better?

if not, does writing 0 into /proc/sys/kernel/sched_features have any 
impact?

	Ingo
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Messages in current thread:
Scheduler(?) regression from 2.6.22 to 2.6.24 for short-li ..., Olof Johansson, (Fri Feb 8, 5:04 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Ingo Molnar, (Fri Feb 8, 5:08 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Olof Johansson, (Fri Feb 8, 5:32 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Sat Feb 9, 12:58 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Willy Tarreau, (Sat Feb 9, 1:03 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Sat Feb 9, 3:58 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Willy Tarreau, (Sat Feb 9, 4:40 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Sat Feb 9, 6:37 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Willy Tarreau, (Sat Feb 9, 9:19 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Sat Feb 9, 10:33 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Olof Johansson, (Sat Feb 9, 10:29 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Willy Tarreau, (Sat Feb 9, 11:15 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Olof Johansson, (Sun Feb 10, 12:00 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Willy Tarreau, (Sun Feb 10, 12:58 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Mon Feb 11, 1:15 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Olof Johansson, (Mon Feb 11, 10:26 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Mon Feb 11, 12:58 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Olof Johansson, (Mon Feb 11, 1:31 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Bill Davidsen, (Mon Feb 11, 2:45 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Mon Feb 11, 9:30 pm)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Tue Feb 12, 2:23 am)
Re: Scheduler(?) regression from 2.6.22 to 2.6.24 for shor ..., Mike Galbraith, (Tue Feb 12, 10:49 pm)