Re: [tlug] top command: meaning of 'm' in memory related values?

[Jim Breen <jimbreen@example.com>]

I've always thought it meant "megabytes".

The man page says "VIRT  --  Virtual Image (kb)", but I suspect
it's out-of-date.

Jim

On 22 February 2014 09:36, Hector Akamine <akamine@example.com> wrote:
> Hi,
> Does anybody know what is the meaning of the 'm' in the VIRT and RES
> values in the output of top? From the man page, VIRT and RES values
> are in kb (kilobytes not kilobits I guess?) , but no hint on what the
> 'm' means.
> Example output below
>
> # top
> top - 22:26:42 up 48 days, 23:40,  2 users,  load average: 0.00, 0.00, 0.00
> Tasks: 105 total,   1 running, 104 sleeping,   0 stopped,   0 zombie
> Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
> Mem:   1020388k total,   918952k used,   101436k free,   144820k buffers
> Swap:  2064376k total,        0k used,  2064376k free,   149308k cached
>
>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>  1328 apache    20   0  322m  42m 6680 S  0.0  4.3   1:07.95 httpd
>  1190 apache    20   0  322m  42m 6680 S  0.0  4.3   1:16.36 httpd
>  1189 apache    20   0  322m  42m 6676 S  0.0  4.3   1:08.91 httpd
>  1193 apache    20   0  322m  42m 6676 S  0.0  4.3   1:09.54 httpd
>  1323 apache    20   0  322m  42m 6680 S  0.0  4.3   1:10.37 httpd
>  1262 apache    20   0  322m  42m 6672 S  0.0  4.2   1:13.90 httpd
>  1058 carbon    20   0  292m  13m 1680 S  0.0  1.3  19:14.87 carbon-cache
>  1385 noc       20   0  191m  12m 3580 S  0.0  1.3  14:06.03 python
>  1153 root      20   0  197m  11m 1432 S  0.0  1.2  13:32.05 supervisord
>  1197 noc       20   0  178m 9160 3328 S  0.0  0.9   2:58.87 python
>
>
> Thank you
>
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-- 
Jim Breen
Adjunct Snr Research Fellow, Japanese Studies Centre, Monash University