__I915_SAMPLE_RC6
store_sample(pmu, gt_id, __I915_SAMPLE_RC6, val);
val += read_sample(pmu, gt_id, __I915_SAMPLE_RC6);
store_sample(pmu, i, __I915_SAMPLE_RC6, val);
store_sample(pmu, gt->info.id, __I915_SAMPLE_RC6, __get_rc6(gt));