Transmit-Wait History Graph - Cisco MDS 9000 Series Configuration Manual
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Configuring Interfaces
Transmit-Wait History Graph
The transmit-wait history for the slow ports on 16-Gbps and 32-Gbps modules and switches can be displayed
in the form of a graph over a period of time. The total transmit-wait time for each time period is displayed as
a column of #. The actual value appears above each column as a vertically printed number. The following
graphs can be displayed:
• Seconds scale—The transmit-wait history for the port over the last 60 seconds. The Y-axis value is the
• Minutes scale—The transmit-wait history for the port over the last 60 seconds. The Y-axis value is the
• Hours scale—The transmit-wait history for the port over the last 60 seconds. The Y-axis value is the
To display the transmit-wait history for a given interval of time, use the following commands:
Display the transmit-wait history graph for the period when transmit credit is not available for a given interval
of time (seconds, minutes, or hours):
switch# show process creditmon txwait-history [module x [port y]]
Display the transmit-wait time in 2.5 microsecond units, as well as in seconds:
switch# show logging onboard txwait
Note
The transmit-wait delta values are logged periodically (every 20 seconds) into the OBFL when transmit wait
increases by at least 100 ms in the 20-second interval.
Display the total transmit-wait value for a particular interface in 2.5-microsecond units:
switch# show interface fcx/y counters
The following example displays the transmit-wait history graph, in seconds, for 16-Gbps modules:
switch(config)# show process creditmon txwait-history module 1 port 81
TxWait history for port fc1/81:
==============================
455555555455554555554555599999999999999999999999999999999999
1000
900
800
700
600
500 ############################################################
400 ############################################################
300 ############################################################
200 ############################################################
100 ############################################################
total transmit-wait time for each second, in milliseconds.
total transmit-wait time for each minute, in seconds, to one decimal place.
total transmit-wait time for each hour, in minutes.
900000000800009000008100011111231922322211321121112112113111
433799991899990359909838608935137962088988254848894870461938
0....5....1....1....2....2....3....3....4....4....5....5....6
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5
0
5
0
5
Cisco MDS 9000 Series Interfaces Configuration Guide, Release 8.x
Transmit-Wait History Graph
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