Dell PowerEdge FX2 Dell PowerEdge FN I/O Aggregator Command Line Reference Gui - Page 68

show processes ipc flow-control Display the single window protocol queue (SWPQ) statistics. Syntax Parameters show processes ipc flow-control [cp] cp (OPTIONAL) Enter the keyword cp to view the control processor's SWPQ statistics. Defaults Command Modes none • EXEC • EXEC Privilege Command History Usage Information Version 9.4(0.0) Supported on the FN I/O aggregator. Field Source QID /Tx Process Destination QID/Rx Process Cur Len High Mark #of to / Timeout #of Retr /Retries #msg Sent/Msg Sent/ #msg Ackd/Ack Rcvd Retr /Available Retra Total/ Max Retra Description Source Service Identifier Destination Service Identifier Current number of messages enqueued Highest number of packets in the queue at any time Timeout count Number of retransmissions Number of messages sent Number of messages acknowledged Number of retries left Number of retries allowed Important Points: • The SWP provides flow control-based reliable communication between the sending and receiving software tasks. • A sending task enqueues messages into the SWP queue3 for a receiving task and waits for an acknowledgement. • If no response is received within a defined period of time, the SWP timeout mechanism resubmits the message at the head of the FIFO queue. • After retrying a defined number of times, the SWP-2-NOMORETIMEOUT timeout message is generated. 68