On Mon, Aug 15, 2016 at 03:41:23PM +0100, Robert Bragg wrote:
> int __must_check i915_gem_evict_something(struct drm_device *dev,
> diff --git a/drivers/gpu/drm/i915/i915_gem_context.c
> b/drivers/gpu/drm/i915/i915_gem_context.c
> index bd13d08..b4de357 100644
> ---
Gen graphics hardware can be set up to periodically write snapshots of
performance counters into a circular buffer via its Observation
Architecture and this patch exposes that capability to userspace via the
i915 perf interface.
Cc: Chris Wilson
Signed-off-by: Robert Bragg
Signed-off-by: Zhenyu
