Show processes ipc flow-control – Dell PowerEdge FX2/FX2s User Manual
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show processes ipc flow-control
Display the single window protocol queue (SWPQ) statistics.
Syntax
show processes ipc flow-control [cp]
Parameters
cp
(OPTIONAL) Enter the keyword cp to view the control
processor’s SWPQ statistics.
Defaults
none
Command
Modes
• EXEC
• EXEC Privilege
Command
History
Version 9.4(0.0)
Supported on the FN I/O aggregator.
Usage
Information
Field
Description
Source QID /Tx
Process
Source Service Identifier
Destination
QID/Rx Process
Destination Service Identifier
Cur Len
Current number of messages enqueued
High Mark
Highest number of packets in the queue at any time
#of to / Timeout
Timeout count
#of Retr /Retries
Number of retransmissions
#msg Sent/Msg
Sent/
Number of messages sent
#msg Ackd/Ack
Rcvd
Number of messages acknowledged
Retr /Available
Retra
Number of retries left
Total/ Max Retra
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.
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