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Re: High priority tasks break SMP balancer?
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From: Ingo Molnar
Subject:
Re: High priority tasks break SMP balancer?
Date: Monday, November 19, 2007 - 10:57 pm
* Micah Dowty <micah@vmware.com> wrote:
quoted text
> > this one is being triggered whenever a cpu becomes idle (schedule() > > --> idle_balance() --> load_balance_newidle()). > > > > (this flag is a bit #1 == 2) > > > > cat /proc/sys/kernel/sched_domain/cpu0/domain0/flags > > Hmm. I don't have this file on my system: > > root@micah-64:/proc/sys/kernel/sched_domain/cpu0/domain0# ls > busy_factor busy_idx forkexec_idx idle_idx imbalance_pct max_interval min_interval newidle_idx wake_idx > root@micah-64:/proc/sys/kernel/sched_domain/cpu0/domain0# uname -a > Linux micah-64 2.6.23.1 #1 SMP Fri Nov 2 12:25:47 PDT 2007 x86_64 GNU/Linux > > Is there a config option I'm missing?
yes, CONFIG_SCHED_DEBUG. Ingo -
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Messages in current thread:
High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 9, 3:34 pm)
Re: High priority tasks break SMP balancer?
, Cyrus Massoumi
, (Fri Nov 9, 4:56 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 9, 5:11 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Wed Nov 14, 11:39 am)
Re: High priority tasks break SMP balancer?
, Kyle Moffett
, (Thu Nov 15, 11:48 am)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Thu Nov 15, 12:14 pm)
Re: High priority tasks break SMP balancer?
, Christoph Lameter
, (Thu Nov 15, 1:07 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Thu Nov 15, 1:24 pm)
Re: High priority tasks break SMP balancer?
, Christoph Lameter
, (Thu Nov 15, 2:28 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Thu Nov 15, 2:35 pm)
Re: High priority tasks break SMP balancer?
, Christoph Lameter
, (Thu Nov 15, 7:31 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Thu Nov 15, 7:44 pm)
Re: High priority tasks break SMP balancer?
, Ingo Molnar
, (Thu Nov 15, 11:07 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 16, 2:19 am)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 16, 3:48 am)
Re: High priority tasks break SMP balancer?
, Dmitry Adamushko
, (Fri Nov 16, 3:48 am)
Re: High priority tasks break SMP balancer?
, David Newall
, (Fri Nov 16, 12:13 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 16, 2:38 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 16, 3:14 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Fri Nov 16, 6:03 pm)
Re: High priority tasks break SMP balancer?
, Dmitry Adamushko
, (Mon Nov 19, 3:22 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Mon Nov 19, 4:05 pm)
Re: High priority tasks break SMP balancer?
, Ingo Molnar
, (Mon Nov 19, 10:57 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Tue Nov 20, 11:06 am)
Re: High priority tasks break SMP balancer?
, Dmitry Adamushko
, (Tue Nov 20, 2:47 pm)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Thu Nov 22, 12:46 am)
Re: High priority tasks break SMP balancer?
, Dmitry Adamushko
, (Thu Nov 22, 5:53 am)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Mon Nov 26, 12:44 pm)
Re: High priority tasks break SMP balancer?
, Dmitry Adamushko
, (Tue Nov 27, 2:21 am)
Re: High priority tasks break SMP balancer?
, Micah Dowty
, (Tue Nov 27, 10:13 am)
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