read_sample
val += read_sample(pmu, gt_id, __I915_SAMPLE_RC6);
if (val < read_sample(pmu, gt_id, __I915_SAMPLE_RC6_LAST_REPORTED))
val = read_sample(pmu, gt_id, __I915_SAMPLE_RC6_LAST_REPORTED);
div_u64(read_sample(pmu, gt_id,
div_u64(read_sample(pmu, gt_id,