From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arjan van de Ven Subject: Re: [Intel-gfx] [PATCH] drm/i915: add a tracepoint for gpu frequency changes Date: Sat, 01 Sep 2012 20:06:22 -0700 Message-ID: <5042CD2E.8070609@linux.intel.com> References: <1346326008-11186-1-git-send-email-daniel.vetter@ffwll.ch> <06ae216a0855cba921de7ebdcc75acb4@bwidawsk.net> <504253E7.9050207@linux.intel.com> <92c9f07349e6acf42f5ed7182046aff2@bwidawsk.net> <93961e626f56a87710fcc5c218b570fa@bwidawsk.net> <5042C801.9080200@linux.intel.com> <8b090ff7727bab7725e0a62fcf9d265e@bwidawsk.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <8b090ff7727bab7725e0a62fcf9d265e@bwidawsk.net> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: Ben Widawsky Cc: Daniel Vetter , Intel Graphics Development , DRI Development List-Id: dri-devel@lists.freedesktop.org On 9/1/2012 8:05 PM, Ben Widawsky wrote: > , from a single trace event you should know the current frequency and the previous frequency. but if you're doing a heavy game or whatever... you may stay at the highest all the time, and I get no information... same for getting stuck or being always low.