Re: Tracing PM-triggered GPU frequency changes from user space

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Quoting Heinrich Fink (2017-11-14 12:19:28)
> Hi,
> 
> is there a simple way for user space to trace PM-triggered changes of
> GPU frequency on GEN9/Skylake? 

What is a PM-triggered change of gpu freq? Do you mean when the hw
itself throttles depending on thermal load. Then no. Best you can do is
use the i915 pmu interface to watch real vs requested.
-Chris
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