Re: IRIX mode for top command in linux

Hmmm....when running top, and you press the "1" key on your keyboard, does it show cpu0 --> cpu7 ?

Just a guess....I can't imagine a system with a 52 Gb sga being only 1 vCPU...

D

On Tue, Jan 18, 2022 at 8:56 PM Goti <aryan.goti_at_gmail.com> wrote:

> Hi All,
>
> Can someone explain the meaning of IRIX mode for top command in Linux?
> For databases running on VM's, when running top, should we turn off the
> IRIX mode to get the exact CPU utilization? The below is occupying 99% of
> CPU yet overall we have 84.5% idle CPU.
>
> top - 00:52:37 up 13:46, 1 user, load average: 2.00, 2.30, 2.43
> Tasks: 507 total, 4 running, 503 sleeping, 0 stopped, 0 zombie
> %Cpu(s): 12.5 us, 2.8 sy, 0.0 ni, 84.5 id, 0.0 wa, 0.0 hi, 0.1 si,
> 0.0 st
> KiB Mem : 65791984 total, 1684392 free, 59226316 used, 4881276 buff/cache
> KiB Swap: 0 total, 0 free, 0 used. 5909356 avail Mem
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
> COMMAND
> 112998 oracle 20 0 52.6g 235508 26536 R 99.7 0.4 17:59.26
> oracle_112998_c <<<< 99% CPU , however total seems to be less.
> 3704 root 20 0 554212 24212 10176 S 1.7 0.0 17:49.27
> BESClient
> 4229 oracle 20 0 1384960 42856 22832 S 0.7 0.1 4:03.95
> oraagent.bin
>
> Thanks,
>
> Goti
>

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