> > Point is, Perl is *huge* (last I heard). If most of the size is
> > in the text segment, and some Perl process is already running, it's
> > possible that the incremental size of an additional process is not
> > all that big.
>
> I don't know what "huge" means for you. Are xterm or rxvt huge?
>
> USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
> migo 19860 1.5 0.6 2712 1292 pts/23 S 19:29 0:00 rxvt
> migo 19877 3.3 1.1 5840 2240 pts/23 S 19:30 0:00 xterm
> migo 19778 0.0 0.4 2444 832 pts/7 S 19:24 0:00 perl
>
> migo 16908 0.0 1.2 4292 2432 tty6 S 13:32 0:02 FvwmPager
> migo 16897 0.0 1.4 3924 2768 tty6 S 13:32 0:00 /usr/bin/perl -w .../themes/redmondxp/modules/FvwmThemesPanelManager
> migo 19947 0.0 1.2 3464 2296 tty6 S 19:39 0:00 /usr/bin/perl -w .../FvwmAutoReplacementPostedInThisMailThread
Interesting that there are no shell processes in this list :)
Compared with other script interpreters, I would expect Perl to be
much larger than a Bourne shell, and probably larger than bash.
Perl used to be described as a "Swiss Army chainsaw" on the way to
becoming a "Swiss Army tactical nuke."
I don't have any Perl processes active, but here are some samples
of other stuff (on Red Hat 6.2/i686, FVWM 2.2.4). Netscape is the
clear winner of the bloat award :)
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
phutchis 5115 0.0 0.5 2532 1508 ? S 08:08 0:02 fvwm2
phutchis 5242 6.6 0.5 2392 1328 ? S 08:08 7:47 xosview -geometry +1383+0
phutchis 5244 0.1 5.5 22428 14392 ? S 08:08 0:08 /usr/lib/netscape/netscape-communicator -irix-session-management -geometry +0+0
phutchis 5298 0.0 0.8 4284 2168 ? S 08:08 0:00 xterm
phutchis 5302 0.0 0.3 1628 844 ? S 08:08 0:00 sh /folk/phutchis/.xsession
phutchis 5327 0.0 0.3 1716 1012 pts/1 S 08:08 0:00 bash
phutchis 5328 0.0 0.3 2120 944 ? S 08:08 0:00 /usr/X11R6/lib/X11/fvwm2/FvwmPager 8 5 /folk/phutchis/.fvwm2rc 0 8 0 0
phutchis 5434 0.0 1.4 5112 3860 ? S 08:08 0:03 ical -geometry +450+300
For a comparison involving an actual Bourne shell, this is from
Solaris/sun4u 2.5.1:
USER PID %CPU %MEM SZ RSS TT S START TIME COMMAND
phutchis 879 0.2 1.2 3232 3040 ? R 08:08:28 0:00 xterm
phutchis 880 0.0 0.5 1496 1296 pts/1 S 08:08:28 0:00 bash
phutchis 1051 0.0 0.4 912 832 pts/1 R 10:14:48 0:00 /bin/sh -c /usr/ucb/ps ugxww
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Received on Wed Aug 14 2002 - 12:26:46 BST