From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: Re: [PATCH 0/9] HW contest support for Ironlake Date: Tue, 16 Jul 2013 11:21:31 -0700 Message-ID: <20130716182131.GC31071@bwidawsk.net> References: <1373818974-23102-1-git-send-email-ben@bwidawsk.net> <20130715124413.GD32386@cantiga.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from shiva.localdomain (unknown [209.20.75.48]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C50CE5DB1 for ; Tue, 16 Jul 2013 11:21:36 -0700 (PDT) Content-Disposition: inline In-Reply-To: <20130715124413.GD32386@cantiga.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Chris Wilson , Intel GFX List-Id: intel-gfx@lists.freedesktop.org On Mon, Jul 15, 2013 at 01:44:13PM +0100, Chris Wilson wrote: > On Sun, Jul 14, 2013 at 09:22:44AM -0700, Ben Widawsky wrote: > > Finally, in the series I reenable rc6 on ILK. I've never had an issue > > with this on my ILK, but I recommend anyone testing on it who sees > > issues to try to disable it via modparam firstly. > > > > The patch series is minimally tested. I told Chris and Ken at the > > offset, they'd need to do the heavy lifting on the testing front. > > My initial impression is that it seems to prevent IPS from kicking in > and speeding up the igfx, so peak performance is 2x slower than before > applying the series. > -Chris > > -- > Chris Wilson, Intel Open Source Technology Centre As noted today on IRC... I'm not really able to reproduce this result. I see /something/ going on, but can't say conclusively it's so bad. Also as discussed, please try without RC6, and if that doesn't help, please try to bisect since I can't really see any other patch changing much. -- Ben Widawsky, Intel Open Source Technology Center