PileUpStream Node1 PileUpStream + PileUpStream() + PileUpStream() + operator=() + PileUpStream() + operator=() + PileUpStream() + PileUpStream() + PileUpStream() + ~PileUpStream() * m_name * p_svcLoc * p_sel * p_SG * p_iter * p_mergeSvc * m_ownEvtIterator * m_neverLoaded * m_ownStore * m_used and 25 more... * PileUpStream() * PileUpStream() * operator=() * PileUpStream() * operator=() * PileUpStream() * PileUpStream() * PileUpStream() * ~PileUpStream() Node2 AthMessaging - m_nm - m_msg_tls - m_imsg - m_lvl - ATLAS_THREAD_SAFE + AthMessaging() + AthMessaging() + ~AthMessaging() + msgLvl() + msg() + msg() + setLevel() - AthMessaging() - AthMessaging() - operator=() - initMessaging() Node2->Node1