From: Dimitri Sivanich <sivanich@sgi.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Gregory Haskins <ghaskins@novell.com>,
linux-kernel@vger.kernel.org, Ingo Molnar <mingo@elte.hu>
Subject: Re: RT sched: cpupri_vec lock contention with def_root_domain and no load balance
Date: Tue, 4 Nov 2008 08:45:49 -0600 [thread overview]
Message-ID: <20081104144549.GC30855@sgi.com> (raw)
In-Reply-To: <1225809393.7803.1669.camel@twins>
On Tue, Nov 04, 2008 at 03:36:33PM +0100, Peter Zijlstra wrote:
> Or are folks disabling load-balance bottom-up, instead of top-down?
>
> In that case, I think we should dis-allow that.
If what you mean by "disabling load-balance bottom-up" is disabling
load-balance in the root cpuset before disabling it in the leaves,
in the end it does not matter which way you do it, the setup winds up
being the same.
next prev parent reply other threads:[~2008-11-04 14:45 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-03 21:07 RT sched: cpupri_vec lock contention with def_root_domain and no load balance Dimitri Sivanich
2008-11-03 22:33 ` Peter Zijlstra
2008-11-04 1:29 ` Dimitri Sivanich
2008-11-04 3:53 ` Gregory Haskins
2008-11-04 14:34 ` Gregory Haskins
2008-11-04 14:36 ` Peter Zijlstra
2008-11-04 14:40 ` Dimitri Sivanich
2008-11-04 14:59 ` Gregory Haskins
2008-11-19 19:49 ` Max Krasnyansky
2008-11-19 19:55 ` Dimitri Sivanich
2008-11-19 20:17 ` Max Krasnyansky
2008-11-19 20:21 ` Dimitri Sivanich
2008-11-19 20:25 ` Gregory Haskins
2008-11-19 20:33 ` Dimitri Sivanich
2008-11-19 21:30 ` Gregory Haskins
2008-11-19 21:47 ` Dimitri Sivanich
2008-11-19 22:25 ` Gregory Haskins
2008-11-20 2:12 ` Max Krasnyansky
2008-11-21 1:57 ` Gregory Haskins
2008-11-21 20:04 ` Max Krasnyansky
2008-11-21 21:18 ` Dimitri Sivanich
2008-11-22 7:03 ` Max Krasnyansky
2008-11-22 8:18 ` Li Zefan
2008-11-24 15:11 ` Dimitri Sivanich
2008-11-24 21:47 ` Max Krasnyansky
2008-11-24 21:46 ` Max Krasnyansky
2008-11-04 14:45 ` Dimitri Sivanich [this message]
2008-11-06 9:13 ` Nish Aravamudan
2008-11-06 13:32 ` Dimitri Sivanich
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