rem: printf("StartSystemTimeSource enter\n");
add: TRACE("StartSystemTimeSource enter\n");
context: ServerApp::StartSystemTimeSource(){	printf("StartSystemTimeSource enter\n");	status_t rv;	printf("StartSystemTimeSource creating object\n");	// register a dummy node 	media_node node;	rv = gNodeManager->RegisterNode(&node.node, -1, 0, "System Clock", B_TIME_SOURCE, SYSTEM_TIMESOURCE_CONTROL_PORT, BPrivate::media::team);	ASSERT(rv == B_OK);		ASSERT(node.node == NODE_SYSTEM_TIMESOURCE_ID);	printf("StartSystemTimeSource setting as default\n");		rv = gNodeManager->SetDefaultNode(SYSTEM_TIME_SOURCE, &node, NULL, NULL);	ASSERT(rv == B_OK);		printf("StartSystemTimeSource leave\n");}