On Mon, 2005-05-23 at 12:27, Sean Hefty wrote: > Are there any performance counters that aren't available through the PMA > MADs? If not, is there any reason why the PMA interface shouldn't be used > for programmatic access?
All the counters found in: /sys/class/infiniband/mthca0/ports/1/counters excessive_buffer_overrun_errors port_rcv_remote_physical_errors link_downed port_rcv_switch_relay_errors link_error_recovery port_xmit_constraint_errors local_link_integrity_errors port_xmit_data port_rcv_constraint_errors port_xmit_discards port_rcv_data port_xmit_packets port_rcv_errors symbol_error port_rcv_packets VL15_dropped are available via the PMA (and via the perfquery tool): /usr/local/ib/bin/perfquery 1 1 # Port counters: Lid 0x1 port 1 PortSelect:......................1 CounterSelect:...................0x0000 SymbolErrors:....................10344 LinkRecovers:....................255 LinkDowned:......................4 RcvErrors:.......................0 RcvRemotePhysErrors:.............0 RcvSwRelayErrors:................0 XmtDiscards:.....................19 XmtConstraintErrors:.............0 RcvConstraintErrors:.............0 LinkIntegrityErrors:.............0 ExcBufOverrunErrors:.............0 VL15Dropped:.....................0 XmtBytes:........................126990 RcvBytes:........................126952 XmtPkts:.........................1791 RcvBytes:........................1790 One advantage is that all counters are retrieved with one MAD. -- Hal _______________________________________________ openib-general mailing list [email protected] http://openib.org/mailman/listinfo/openib-general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
