vmstat layout
Ed Schouten
ed at fxq.nl
Fri Feb 1 06:54:13 PST 2008
* Dag-Erling Smørgrav <des at des.no> wrote:
> vmstat(1) tries very hard to fit everything in 80 columns.
>
> Unfortunately, it's been years since anyone had a machine where none of
> the columns overflowed.
>
> The recent addition of -h helps with the avm and fre columns, but on a
> busy system (e.g. a Varnish server on a busy web site), pretty much
> every single column will overflow. If you have disks with names longer
> than three letters, even the two header lines will be misaligned!
>
> Here's an example from a mostly idle machine:
>
> procs memory page disks faults cpu
> r b w avm fre flt re pi po fr sr ad0 ad1 ad2 ad3 ad10 ad12 in sy cs us sy id
> 2 1 0 193M 1015M 444 2 8 0 4862 0 0 0 0 0 0 0 348 1297 4704 1 7 92
>
> Removing columns is not an acceptable solution (it would break too many
> existing scripts), so I'm afraid we're going to have to make the output
> wider than 80 columns, unless someone can come up with a better solution.
What about flipping the rows and columns? That will also give us more
space to add better descriptions.
--
Ed Schouten <ed at fxq.nl>
WWW: http://g-rave.nl/
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