[Intel-gfx] [PATCH i-g-t] i915/gem_ctx_switch: Use minimum qlen over all engines and measure switches

[Caz Yokoyama]

Reviewed-by:  Caz Yokoyama <caz.yokoyama at intel.com>
-caz

On Mon, 2019-02-25 at 18:29 +0000, Chris Wilson wrote:
> Quoting Caz Yokoyama (2019-02-25 18:28:34)
> > Chris,
> > By your patch, measure_qlen() reports how many gem_execbuf() can be
> > executed(queue length) within timeout of the slowest engine,
> > correct?
> 
> More or less, yes.
> -Chris