+/**
+ * Generate a set of aub file annotations for the current batch buffer, and
+ * deliver them to DRM.
+ *
+ * The "used" section of the batch buffer (the portion containing batch
+ * commands) is annotated with AUB_TRACE_TYPE_BATCH. The remainder of the
+ * batch buffer (which contains data structures pointed to by batch commands)
+ * is annotated according to the type of each data structure.
+ */
+void
+brw_annotate_aub(struct brw_context *brw)
+{
+ unsigned annotation_count = 2 * brw->state_batch_count + 1;
+ drm_intel_aub_annotation annotations[annotation_count];
+ int a = 0;
+ make_annotation(&annotations[a++], AUB_TRACE_TYPE_BATCH, 0,
+ 4 * USED_BATCH(brw->batch));
+ for (int i = brw->state_batch_count; i-- > 0; ) {
+ uint32_t type = brw->state_batch_list[i].type;
+ uint32_t start_offset = brw->state_batch_list[i].offset;
+ uint32_t end_offset = start_offset + brw->state_batch_list[i].size;
+ make_annotation(&annotations[a++], AUB_TRACE_TYPE_NOTYPE, 0,
+ start_offset);
+ make_annotation(&annotations[a++], AUB_TRACE_TYPE(type),
+ AUB_TRACE_SUBTYPE(type), end_offset);