[Bug 81682] [snb] Frequent framerate drops

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81682

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Frequent framerate drops on |[snb] Frequent framerate
                   |i915 chip                   |drops

--- Comment #1 from Chris Wilson <chris at chris-wilson.co.uk> ---
Grab and install a kernel from http://cgit.freedesktop.org/~ickle/linux-2.6/
#master and build intel-gpu-tools/overlay/intel-gpu-overlay. Use SNA and run
the overlay (use "intel-gpu-overlay --position bottom-right" to place it
somewhere convenient). That should show the frequency and power consumption of
the GPU (along with usage and frames/30s) that will be interesting to correlate
with the periods of slow behaviour if there are no obvious errors in the log.

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