From: Christian Robottom Reis <kiko@linaro.org>
To: Vincent Guittot <vincent.guittot@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org
Subject: Re: [RFC] Add Arm cpu topology definition
Date: Thu, 16 Jun 2011 10:24:41 -0300 [thread overview]
Message-ID: <20110616132441.GJ14846@anthem.async.com.br> (raw)
In-Reply-To: <BANLkTinRGRUxKB=C_2Y2F93czWScEUo+Jw@mail.gmail.com>
On Thu, Jun 16, 2011 at 10:49:13AM +0200, Vincent Guittot wrote:
> @@ -219,6 +219,24 @@ source "kernel/Kconfig.freezer"
>
> menu "System Type"
>
> +config SCHED_MC
> + bool "Multi-core scheduler support"
> + depends on SMP && ARM_CPU_TOPOLOGY
> + default n
> + help
> + Multi-core scheduler support improves the CPU scheduler's decision
> + making when dealing with multi-core CPU chips at a cost of slightly
> + increased overhead in some places. If unsure say N here.
> +
> +config SCHED_SMT
> + bool "SMT scheduler support"
> + depends on SMP && ARM_CPU_TOPOLOGY
> + default n
> + help
> + Improves the CPU scheduler's decision making when dealing with
> + MultiThreading at a cost of slightly increased overhead in some
> + places. If unsure say N here.
> +
Quick question: the patch doesn't actually seem to use the SCHED_MC and
SCHED_SMT config bits; is that actually correct?
--
Christian Robottom Reis | [+55] 16 9112 6430 | http://launchpad.net/~kiko
Linaro Engineering VP | [ +1] 612 216 4935 | http://async.com.br/~kiko
next prev parent reply other threads:[~2011-06-16 13:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-16 8:49 [RFC] Add Arm cpu topology definition Vincent Guittot
2011-06-16 8:55 ` Samuel Thibault
2011-06-16 9:44 ` Vincent Guittot
2011-06-16 9:47 ` Samuel Thibault
2011-06-16 9:56 ` Vincent Guittot
2011-06-16 10:49 ` Daniel Lezcano
2011-06-16 12:05 ` Vincent Guittot
2011-06-16 11:48 ` Amit Kucheria
2011-06-16 12:30 ` Vincent Guittot
2011-06-16 11:55 ` Amit Kachhap
2011-06-16 12:10 ` Vincent Guittot
2011-06-16 13:24 ` Christian Robottom Reis [this message]
2011-06-16 13:48 ` Vincent Guittot
2011-06-16 19:40 ` Stephen Boyd
2011-06-17 6:54 ` Vincent Guittot
2011-06-21 20:36 ` Stephen Boyd
2011-06-22 9:17 ` Catalin Marinas
2011-06-22 10:19 ` Amit Kucheria
2011-06-16 21:13 ` Russell King - ARM Linux
2011-06-17 7:43 ` Vincent Guittot
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