From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Cc: linuxppc-dev@ozlabs.org, Felix Radensky <felix@embedded-sol.com>
Subject: Re: Preemption question (4xx related)
Date: Thu, 02 Jul 2009 17:33:12 +1000 [thread overview]
Message-ID: <1246519992.7551.1.camel@pasglop> (raw)
In-Reply-To: <20090702001450.GF6189@zod.rchland.ibm.com>
On Wed, 2009-07-01 at 20:14 -0400, Josh Boyer wrote:
> I've toyed with that idea myself. I keep coming back to the fact that you need
> a workload that would really leverage it, and I don't have one at the moment.
To some extent that's true but just turning full preemption including
kernel side with all the associated debug bits and lockdep should make a
whole bunch of things show up even with ordinary workloads.
For 440 tend to boot an ubuntu distro off NFS root with all X & DRI 3D
etc... and then run compiz :-)
Cheers,
Ben.
next prev parent reply other threads:[~2009-07-02 7:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-30 12:55 Preemption question (4xx related) Felix Radensky
2009-07-01 22:13 ` Benjamin Herrenschmidt
2009-07-02 0:14 ` Josh Boyer
2009-07-02 7:33 ` Benjamin Herrenschmidt [this message]
2009-07-02 11:12 ` Josh Boyer
2009-07-02 22:41 ` Benjamin Herrenschmidt
2009-07-03 0:34 ` Josh Boyer
2009-07-02 9:14 ` Michel Dänzer
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