Here's a sample Deep Copy from Instruments 16, which seems to have slightly different spacing:
Weight Self Weight Symbol Names
2.18 s 100.0% 0 s node (98674)
1.98 s 90.8% 0 s start
1.98 s 0.0% 0 s node::Start(int, char**)
1.98 s 0.0% 0 s node::LoadSnapshotDataAndRun(node::SnapshotData const**, node::InitializationResult const*)
1.98 s 0.0% 0 s node::NodeMainInstance::Run()