On Mon, May 21, 2018 at 10:32:30AM +1000, Bruce Evans wrote:
> ...
> > if (smpmode && namelength > SMPUNAMELEN)
> > namelength = SMPUNAMELEN;
> > else if (namelength > UPUNAMELEN)
>
> But 33 is too large. It is much larger than the hard-coded maximum limits,
> so it is never used, but is reduced to SMPNAMELEN = 13 or UPUNAMELEN = 15.
>
> So getting the correct value of about 8 is even harder than before, but
> changing SMPNAMELEN to 4 works quite well -- "USERNAME" in the header is
> then reduced to "USER" and space is made available for something useful
> like the command name.
Big +1. I didn't go as far as 4, but have to patch top(1) locally to use
namelength = 8 and header format so it neatly looks like this:
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
844 danfe 2 21 0 114M 38836K select 0 49:39 3.82% Xorg
5836 danfe 12 20 0 101M 23020K select 0 38:19 2.26% deadbeef
instead of our ugly, default this:
vvvv
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
41086 danfe 1 20 0 13280K 3112K CPU1 1 0:00 0.09% top
751 root 1 20 0 10812K 596K select 2 16:53 0.03% powerd
^^^^^^^^^^
The amount of wasted space (shown above) is unjustified IMO.
./danfe
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