[PATCH] drm/i915: add a tracepoint for gpu frequency changes

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On 2012-09-01 20:06, Arjan van de Ven wrote:
> On 9/1/2012 8:05 PM, Ben Widawsky wrote:
>> , from a single trace event you should know the current frequency 
>> and the previous frequency.
> but if you're doing a heavy game or whatever... you may stay at the
> highest all the time,
> and I get no information...
> same for getting stuck or being always low.

True. Well, as I said, Daniel did ask me to do it. I will send out a 
patch this weekend, it's pretty trivial.

-- 
Ben Widawsky, Intel Open Source Technology Center


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