Re: CVS commit: src/usr.bin/vmstat

[Sevan Janiyan <sevan%NetBSD.org@localhost>]

Hi Simon,

On 13/12/2018 02:14, Simon Burge wrote:
>   +If
>   +.Nm
>   +is invoked without any options, it displays the summary of statistics since
>   +boot and exits.
> 
> That's not true for the process and memory info though, right?  For
> those two these are their current state, not a summary since boot.  Also
> technically a few options don't change this behaviour either (at least
> -M -N -v and -W?).
> 
> Not sure how we should document all this and be correct at the same
> time. :)

Yes you are right. When you invoke it over and over, free memory
changes. then the run queue if you specify an option.
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502920  18484  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502920  18484  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502920  18488  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502920  18484  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502924  18480  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502924  18480  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 1 0   502920  18488  229   0   0    0    5    6 18   21 7949  62  2  1 97
play$ vmstat -c 3
 procs    memory      page                       disk faults      cpu
 r b      avm    fre  flt  re  pi   po   fr   sr l0   in   sy  cs us sy id
 2 0   502920  18484  229   0   0    0    5    6 18   21 7949  62  2  1 97
 0 0   502920  18484    0   0   0    0    0    0  0    7   62  23  0 0 100
 0 0   502924  18484    1   0   0    0    0    0  0    7   58  26  0 0 100