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Date: Tue, 10 May 2005 18:32:07 +0300
From: Giorgos Keramidas <keramida@freebsd.org>
To: Jiawei Ye <leafy7382@gmail.com>
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Subject: Re: Strange top(1) output
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On 2005-05-10 23:28, Jiawei Ye <leafy7382@gmail.com> wrote:
> On 5/10/05, Giorgos Keramidas <keramida@freebsd.org> wrote:
> > On 2005-05-10 10:41, Andre Guibert de Bruet <andy@siliconlandmark.com> wrote:
> > > On Tue, 10 May 2005, Skip Ford wrote:
> > > > PID USERNAME       THR PRI NICE   SIZE    RES STATE    TIME   WCPU    CPU
> > > > COMM
> > > >AND
> > > >1352 skip             1  96    0 18968K 16276K select   0:21  0.00%  0.00%
> > > >Xor
> > > > 691 skip             1   8    0  4784K  3940K wait     0:08  0.00%  0.00%
> > > > mut
> > > > 684 skip             1  96    0  2336K  1948K select   0:07  0.00%  0.00%
> > > > scr
> > > > 667 root             1   4    0 24268K 23196K accept   0:06  0.00%  0.00%
> > > > per
> > > > 580 root             1  20    0 22896K 21948K pause    0:04  0.00%  0.00%
> > > > per
> > > > 447 root             1  96    0  2864K  1724K select   0:02  0.00%  0.00%
> > > > ntp
> > >
> > > What is the length of the longest username that you have on your system?
> >
> > Ah, yes!  Good thought.  This could affect the width of the USERNAME
> > column and push everything too far to the right.  If this is the case,
> > I'd probably vote for optionally limiting the length of the username
> > column to, say, 8 columns at most.
>
> What about the header mess? I don't think that has got to do with
> usernames. Any ideas?

This is a known problem of top's output code, which I meant to fix but
never got around to.

The header is printed as a single string, regardless of the output
window size, so it may wrap around.  The rest of the lines *are* limited
by the window size, so they should never wrap at all.

- Giorgos