From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Vetter Subject: Re: [PATCH] drm/i915: protect force_wake_(get|put) with the gt_lock Date: Mon, 7 Nov 2011 19:36:28 +0100 Message-ID: <20111107183627.GD4015@phenom.ffwll.local> References: <1006134900.1618901.1320689675912.JavaMail.fmail@mwmweb015> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-ww0-f41.google.com (mail-ww0-f41.google.com [74.125.82.41]) by gabe.freedesktop.org (Postfix) with ESMTP id 04ED49E776 for ; Mon, 7 Nov 2011 10:35:27 -0800 (PST) Received: by wwf27 with SMTP id 27so5369087wwf.0 for ; Mon, 07 Nov 2011 10:35:27 -0800 (PST) Content-Disposition: inline In-Reply-To: <1006134900.1618901.1320689675912.JavaMail.fmail@mwmweb015> 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: Nicolas Kalkhof Cc: Daniel Vetter , intel-gfx List-Id: intel-gfx@lists.freedesktop.org On Mon, Nov 07, 2011 at 07:14:35PM +0100, Nicolas Kalkhof wrote: > ok here is the sysprof result (see below). No cpu/gpu intensive apps are > running, just the idling desktop. CPU Temperature is low and frequency > is throttled down to 800 MHz like it should be. The System is responsive > and behaves normal but top shows full cpu load. Honestly I cannot see > the reason why X and gkrellm should eat up all the gpu since they > clearly don't hog the cpu. Maybe the kernel reports wrong cpu stats? > Then again the load goes down when I kill X! Hope this gives you a clue. On a quick look it seems that at least X is busy-spinning in the select loop and gkrellm seems to be eqally busy doing not much. Have you tried what happens when you kill gkrellm? Otherwise I think it's time for a bit of bisecting. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48