On 2012-08-30 04:26, Daniel Vetter wrote:
We've had and still have too many issues where the gpu turbot doesn't
quite to what it's supposed to do (or what we want it to do).
Adding a tracepoint to track when the desired gpu frequence changes
should help a lot in characterizing and understanding problematic
workloads.
Also, this should be fairly interesting for power tuning (and
especially noticing when the gpu is stuck in high frequencies, as has
happened in the past) and hence for integration into powertop and
similar tools.
Cc: Arjan van de Ven <[email protected]>
Signed-off-by: Daniel Vetter <[email protected]>
I can't help but think it's equally interesting to know when the queue
the work as well.
--
Ben Widawsky, Intel Open Source Technology Center
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