Saturday, February 12, 2022

Extreme (Avaya) Switch - Troubleshooting High CPU on VSP in VOSS


Here are the CLI commands to check CPU and Memory utilization on VSP switches in VOSS.

Step 1. Get into enable mode by typing enable.


enable

vsp:1>enable



Step 2. Check CPU and Memory utilization.


show khi performance cpu
vsp:1#show khi performance cpu
************************************************************************************
Command Execution Time: Fri Apr 23 18:44:23 2021 GMT
************************************************************************************
    Slot:1
         Current utilization: 14
         5-minute average utilization: 12
         5-minute high water mark: 67 (02/26/20 17:49:05)


You can also see CPU usage for each process through the below command.

show khi performance pthread sort cpu
vsp:1#show khi performance pthread sort cpu
************************************************************************************
Command Execution Time: Fri Apr 23 18:58:13 2021 GMT
************************************************************************************

    Slot:1
----------------------------------------------------------------------------------------------------
TID   PID   PName           CPU(%) 5MinAvg CPU(%) 5MinHiWater CPU(%(time stamp))
----------------------------------------------------------------------------------------------------
2373  1947  bcmLINK.0       10.9    10.7    11.2   (02/26/20 17:47:14)
2377  1947  bcmCNTR.0        9.4    8.9    9.9   (03/04/20 22:29:14)
2235  1889  tMainTask        2.1    1.9    38.2   (03/04/20 23:37:13)
1986  1897  default-tmr      0.5    0.4    0.6   (02/26/20 17:50:26)
2230  1947  bcmINTR          0.4    0.4    15.7   (02/26/20 17:58:40)
2231  1947  socdmadesc.0     0.4    0.4    0.4   (02/06/20 13:45:08)
2145  1889  tExcTask         0.4    0.3    0.4   (02/26/20 17:46:13)
23738 1889  mocSsh           0.4    0.3    0.3   (04/23/21 18:36:49)
2091  1947  tExcTask         0.2    0.2    0.3   (02/26/20 17:45:43)
2166  1947  tMainTask        0.3    0.2    1.6   (02/06/20 13:44:28)
2342  1947  bcmRX            0.3    0.2    28.6   (03/04/20 23:07:28)
1886  1886  redis-server     0.1    0.1    0.2   (02/06/20 13:44:28)
2238  1889  tCppInterruptTa  0.2    0.1    20.1   (02/26/20 17:59:10)
2343  1947  listener         0.1    0.1    0.9   (03/31/20 16:04:54)
2383  1947  tScanSfp         0.1    0.1    0.1   (02/06/20 13:46:08)

1     1     init             0.0    0.0
2     2     kthreadd         0.0    0.0
3     3     ksoftirqd/0      0.0    0.0


You can also check memory utilization through the below command.

show khi performance memory
vsp:1#show khi performance memory
************************************************************************************
Command Execution Time: Fri Apr 23 18:45:47 2021 GMT
************************************************************************************
    Slot:1
         Used: 869180 (KB)
         Free: 941984 (KB)
         Current utilization: 47 %
         5-minute average utilization: 47 %
         5-minute high water mark: 48 (%)
         10-minute average utilization: 47 %
         10-minute high water mark: 48 (%)
         1-Hour average utilization: 47 %
         1-Hour high water mark: 47 (%)
         1-Day average utilization: 47 %
         1-Day high water mark: 47 (%)
         1-Month average utilization: 47 %
         1-Month high water mark: 47 (%)
         1-Year average utilization: 47 %
         1-Year high water mark: 47 (%)
SMLT memory usage 0 KB on 1 blocks


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