116 	struct micro_snapshot_buffer *current_buffer);
738 	struct micro_snapshot_buffer *current_buffer = target->buffer;  in telemetry_process_sample()  local
853 	if (!current_buffer->buffer) {  in telemetry_process_sample()
868 	current_record_start = current_buffer->current_position;  in telemetry_process_sample()
870 	if ((current_buffer->size - current_buffer->current_position) < sizeof(struct micro_snapshot)) {  in telemetry_process_sample()
875 		current_buffer->end_point = current_record_start;  in telemetry_process_sample()
876 		current_buffer->current_position = 0;  in telemetry_process_sample()
885 …msnap = (struct micro_snapshot *)(uintptr_t)(current_buffer->buffer + current_buffer->current_posi…  in telemetry_process_sample()
893 	current_buffer->current_position += sizeof(struct micro_snapshot);  in telemetry_process_sample()
895 	if ((current_buffer->size - current_buffer->current_position) < sizeof(struct task_snapshot)) {  in telemetry_process_sample()
896 		current_buffer->end_point = current_record_start;  in telemetry_process_sample()
897 		current_buffer->current_position = 0;  in telemetry_process_sample()
906 …tsnap = (struct task_snapshot *)(uintptr_t)(current_buffer->buffer + current_buffer->current_posit…  in telemetry_process_sample()
965 	current_buffer->current_position += sizeof(struct task_snapshot);  in telemetry_process_sample()
971 	if ((current_buffer->size - current_buffer->current_position) < uuid_info_array_size) {  in telemetry_process_sample()
972 		current_buffer->end_point = current_record_start;  in telemetry_process_sample()
973 		current_buffer->current_position = 0;  in telemetry_process_sample()
986 …bcopy(uuid_info_array, (char *)(current_buffer->buffer + current_buffer->current_position), uuid_i…  in telemetry_process_sample()
990 	current_buffer->current_position += uuid_info_array_size;  in telemetry_process_sample()
996 	if ((current_buffer->size - current_buffer->current_position) < sizeof(struct thread_snapshot)) {  in telemetry_process_sample()
998 		current_buffer->end_point = current_record_start;  in telemetry_process_sample()
999 		current_buffer->current_position = 0;  in telemetry_process_sample()
1008 …thsnap = (struct thread_snapshot *)(uintptr_t)(current_buffer->buffer + current_buffer->current_po…  in telemetry_process_sample()
1038 	current_buffer->current_position += sizeof(struct thread_snapshot);  in telemetry_process_sample()
1044 		if ((current_buffer->size - current_buffer->current_position) < sizeof(dqserialnum)) {  in telemetry_process_sample()
1046 			current_buffer->end_point = current_record_start;  in telemetry_process_sample()
1047 			current_buffer->current_position = 0;  in telemetry_process_sample()
1057 …bcopy(&dqserialnum, (char *)current_buffer->buffer + current_buffer->current_position, sizeof(dqse…  in telemetry_process_sample()
1058 		current_buffer->current_position += sizeof(dqserialnum);  in telemetry_process_sample()
1072 	if ((current_buffer->size - current_buffer->current_position) / framesize < btcount) {  in telemetry_process_sample()
1073 		current_buffer->end_point = current_record_start;  in telemetry_process_sample()
1074 		current_buffer->current_position = 0;  in telemetry_process_sample()
1083 	for (bti = 0; bti < btcount; bti++, current_buffer->current_position += framesize) {  in telemetry_process_sample()
1085 …	*(uint64_t *)(uintptr_t)(current_buffer->buffer + current_buffer->current_position) = frames[bti];  in telemetry_process_sample()
1087 …*(uint32_t *)(uintptr_t)(current_buffer->buffer + current_buffer->current_position) = (uint32_t)fr…  in telemetry_process_sample()
1091 	if (current_buffer->end_point < current_buffer->current_position) {  in telemetry_process_sample()
1098 		current_buffer->end_point = current_buffer->current_position;  in telemetry_process_sample()
1106 	if (current_buffer == &telemetry_buffer) {  in telemetry_process_sample()
1107 		telemetry_bytes_since_last_mark += (current_buffer->current_position - current_record_start);  in telemetry_process_sample()
1163 …her(user_addr_t buffer, uint32_t *length, bool mark, struct micro_snapshot_buffer * current_buffer)  in telemetry_buffer_gather()  argument
1170 	    (&telemetry_buffer != current_buffer));  in telemetry_buffer_gather()
1174 	if (current_buffer->buffer == 0) {  in telemetry_buffer_gather()
1179 	if (*length < current_buffer->size) {  in telemetry_buffer_gather()
1188 	oldest_record_offset = current_buffer->current_position;  in telemetry_buffer_gather()
1190 		if (((oldest_record_offset + sizeof(uint32_t)) > current_buffer->size) ||  in telemetry_buffer_gather()
1191 		    ((oldest_record_offset + sizeof(uint32_t)) > current_buffer->end_point)) {  in telemetry_buffer_gather()
1192 			if (*(uint32_t *)(uintptr_t)(current_buffer->buffer) == 0) {  in telemetry_buffer_gather()
1207 			assert(*(uint32_t *)(uintptr_t)(current_buffer->buffer) == STACKSHOT_MICRO_SNAPSHOT_MAGIC);  in telemetry_buffer_gather()
1211 …if (*(uint32_t *)(uintptr_t)(current_buffer->buffer + oldest_record_offset) == STACKSHOT_MICRO_SNA…  in telemetry_buffer_gather()
1220 	} while (oldest_record_offset != current_buffer->current_position);  in telemetry_buffer_gather()
1228 		log_telemetry_output(current_buffer->buffer, oldest_record_offset,  in telemetry_buffer_gather()
1229 		    current_buffer->end_point - oldest_record_offset);  in telemetry_buffer_gather()
1231 		if ((result = copyout((void *)(current_buffer->buffer + oldest_record_offset), buffer,  in telemetry_buffer_gather()
1232 		    current_buffer->end_point - oldest_record_offset)) != 0) {  in telemetry_buffer_gather()
1236 		*length = current_buffer->end_point - oldest_record_offset;  in telemetry_buffer_gather()
1242 	log_telemetry_output(current_buffer->buffer, 0, current_buffer->current_position);  in telemetry_buffer_gather()
1244 	if ((result = copyout((void *)current_buffer->buffer, buffer + *length,  in telemetry_buffer_gather()
1245 	    current_buffer->current_position)) != 0) {  in telemetry_buffer_gather()
1249 	*length += (uint32_t)current_buffer->current_position;  in telemetry_buffer_gather()
1260 	    current_buffer->current_position, *length,  in telemetry_buffer_gather()
1261 	    current_buffer->end_point, (&telemetry_buffer != current_buffer));  in telemetry_buffer_gather()