pmontree.Callback Node1 pmontree.Callback + symbol + __init__() - _node() Node2 pmontree.Comp + symbol + dvmem_self + __init__() + calcSelf() - _node() Node2->Node1 Node3 pmontree.ResUser + dep + dvmem_self + __init__() + calcSelf() + show() + purge() - _show() - _node() Node3->Node2 Node4 pmontree.Resource + name + step + dvmem + dmalloc + nmalloc - _vmem - _malloc - _nmalloc + __init__() + set() + wrapup() Node4->Node3 Node5 object Node5->Node4