Re: [Intel-gfx] [PATCH] drm/i915: add a tracepoint for gpu frequency changes

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.