‎Using TOP ans SAR | DELL Technologies

Using TOP ans SAR

I opened a CHAT with EMC support about how to monitor CPU processes and utilization on any given Celerra. I had an issue where the CPU on the Celerra was running 95% and I want to know what processes might be causing this to run so high.

The tech on the other end suggested using TOP and/or SAR.

I followed that question with another asking what do the Commands mean in TOP? Here is an example of what I mean.

Header 1
top - 10:49:07 up 283 days, 2:38, 1 user, load average: 0.39, 0.36, 0.41 Tasks: 201 total, 1 running, 196 sleeping, 0 stopped, 4 zombie Cpu(s): 15.2% us, 22.2% sy, 0.0% ni, 0.0% id, 62.6% wa, 0.0% hi, 0.0% si Mem: 2076136k total, 2000168k used, 75968k free, 71688k buffers Swap: 2096440k total, 370432k used, 1726008k free, 290808k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3165 root 15 0 0 0 0 S 7.3 0.0 561:19.91 nd-clnt 0 1 30622 nasadmin 15 0 12632 6428 5416 S 6.0 0.3 0:00.18 naviseccli.bin 3168 root 15 0 0 0 0 S 3.3 0.0 277:07.05 nd-sndd 0 1 12483 nasadmin 17 0 3392 1052 736 R 0.7 0.1 0:07.25 top 4931 root 15 0 77516 1540 1224 S 0.3 0.1 21:47.44 nas_boxmonitor 1 root 16 0 2128 544 456 S 0.0 0.0 0:05.96 init 2 root 34 19 0 0 0 S 0.0 0.0 0:35.95 ksoftirqd/0 3 root 5 -10 0 0 0 S 0.0 0.0 0:20.48 events/0 4 root 11 -10 0 0 0 S 0.0 0.0 0:00.00 khelper 1811 root 15 0 0 0 0 S 0.0 0.0 4:11.07 kjournald

Header 1

top - 10:49:07 up 283 days, 2:38, 1 user, load average: 0.39, 0.36, 0.41

Tasks: 201 total, 1 running, 196 sleeping, 0 stopped, 4 zombie

Cpu(s): 15.2% us, 22.2% sy, 0.0% ni, 0.0% id, 62.6% wa, 0.0% hi, 0.0% si

Mem: 2076136k total, 2000168k used, 75968k free, 71688k buffers

Swap: 2096440k total, 370432k used, 1726008k free, 290808k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND

3165 root      15   0     0    0    0 S 7.3 0.0 561:19.91 nd-clnt 0 1
30622 nasadmin 15   0 12632 6428 5416 S 6.0 0.3   0:00.18 naviseccli.bin
3168 root      15   0     0    0    0 S 3.3 0.0 277:07.05 nd-sndd 0 1
12483 nasadmin 17   0 3392 1052 736 R 0.7 0.1   0:07.25 top
4931 root      15   0 77516 1540 1224 S 0.3 0.1 21:47.44 nas_boxmonitor
    1 root      16   0 2128 544 456 S 0.0 0.0   0:05.96 init
    2 root      34 19     0    0    0 S 0.0 0.0   0:35.95 ksoftirqd/0
    3 root       5 -10     0    0    0 S 0.0 0.0   0:20.48 events/0
    4 root      11 -10     0    0    0 S 0.0 0.0   0:00.00 khelper

1811 root 15 0 0 0 0 S 0.0 0.0 4:11.07 kjournald

Sorry about the formatting...

So I asked where I can find documentation about the things listed in the COMMAND column such as kjournald or ksoftirqd/0 (items BOLDED above). They could not provide me with any of that information.

Does anyone know where I might find this info?

Using TOP ans SAR

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