<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb] Frequent framerate drops" href="https://bugs.freedesktop.org/show_bug.cgi?id=81682#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [snb] Frequent framerate drops" href="https://bugs.freedesktop.org/show_bug.cgi?id=81682">bug 81682</a> from <a class="email" href="mailto:bugsfreedesktop@emeraldreverie.org" title="Greg Sutcliffe <bugsfreedesktop@emeraldreverie.org>"> Greg Sutcliffe</a> <pre>(In reply to <a href="show_bug.cgi?id=81682#c7">comment #7</a>) > That's different to what I was expecting. I thought that the gpufreq would > drop, but the game would still be struggling to render. Maybe I'm misunderstanding, but that is what I'm seeing - the gpufreq drops to minimum, and the framerate drops with it. Both seem to recover at the same time too. It's not just the game either - the whole desktop (both monitors, and multiple workspaces) become very jerky too. Or do you mean complete hangs when you say "struggling to render"? > That it is still > rendering excludes the possibility of a stall (either pageflip or an > outright GPU hang), but you might as well double-check with that kernel you > compiled didn't detect something and attach the dmesg. I did a reboot, and a dmesg -c before starting the game. Attached it's what's in dmesg after the first fps drop. Nothing in i915_error_state though. > Now, the next challenge is to grap a perf profile from the good/bad periods. > (That's the type of integration that we want into the GPU monitoring tools, > but we don't have today.) Do you have any docs I can follow on how to do that manually then, since it's not already in the tools?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>