[Intel-gfx] [RFC 0/3] Engine utilization tracking

[Chris Wilson]

On Tue, May 09, 2017 at 03:09:33PM +0100, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> By popular customer demand here is the prototype for cheap engine utilization
> tracking.

customer and debugfs?

> It uses static branches so in the default off case it really should be cheap.

Not as cheap (for the off case) as simply sampling RING_HEAD/RING_TAIL
which looks to be the same level of detail. I wrapped all this up in a
perf interface once up a time...
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre