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drm/i915/pmu: Add RC6 residency metrics

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For clients like intel-gpu-overlay it is easier to read the
counters via the perf API than having to parse sysfs.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171121181852.16128-9-tvrtko.ursulin@linux.intel.com
This commit is contained in:
Tvrtko Ursulin
2017-11-21 18:18:52 +00:00
parent 36cc8b963f
commit 6060b6aec0
2 changed files with 36 additions and 1 deletions
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6
include/uapi/drm/i915_drm.h
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@@ -141,7 +141,11 @@ enum drm_i915_pmu_engine_sample {
#define I915_PMU_INTERRUPTS __I915_PMU_OTHER(2)
#define I915_PMU_LAST I915_PMU_INTERRUPTS
#define I915_PMU_RC6_RESIDENCY __I915_PMU_OTHER(3)
#define I915_PMU_RC6p_RESIDENCY __I915_PMU_OTHER(4)
#define I915_PMU_RC6pp_RESIDENCY __I915_PMU_OTHER(5)
#define I915_PMU_LAST I915_PMU_RC6pp_RESIDENCY
/* Each region is a minimum of 16k, and there are at most 255 of them.
*/