On Sat, 2010-10-30 at 00:08 +0100, Peter Clifton wrote: > It is pretty hard to make out, but I _think_ I'm seeing the GPU starved > at certain points. It looks like the URB busy flag at 100% for these > portions of the profile. I've highlighted them in RED as the bad stalls > I'm worried about.
I misread my graphs... URB is the green portion very bottom trace.. it is the RENDER CACHE which appears to stall things when it hits 100% usage. I wish I had a better model of the hardware internals, and exactly how these flags relate to it. -- Peter Clifton Electrical Engineering Division, Engineering Department, University of Cambridge, 9, JJ Thomson Avenue, Cambridge CB3 0FA Tel: +44 (0)7729 980173 - (No signal in the lab!) Tel: +44 (0)1223 748328 - (Shared lab phone, ask for me) _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
