[igt-dev] [PATCH i-g-t 1/1] i915_pm_rpm: gem-execbuf-stress-extra-wait faster

[Chris Wilson]

Quoting Caz Yokoyama (2019-03-06 00:06:55)
> Less iterate because WAIT_EXTRA adds extra 5 sec delay for each iteration.
> This test is similar to gem-execbuf-stress except for WAIT_EXTRA.
> It runs 86 sec. while gem-execbuf-stress runs 38 sec.
> i.e. 38s + iteration(rounds,10) * 5s = 88s

Why does it wait for 5s? There's no second stage to runtime suspend, but
if there was, add a debug interface to force it.

Something else that can be employed to speed up this test would be
igt_drop_caches_set(DROP_IDLE) (before waiting for runtime suspend).
-Chris