I915_PMU_SAMPLE_INSTANCE_BITS  156 include/uapi/drm/i915_drm.h #define I915_PMU_SAMPLE_INSTANCE_BITS (8)
I915_PMU_SAMPLE_INSTANCE_BITS  156 tools/include/uapi/drm/i915_drm.h #define I915_PMU_SAMPLE_INSTANCE_BITS (8)