Re: [HACKERS] Re: [PORTS] pgmonitor and Solaris

On Thu, Mar 29, 2001 at 12:30:06AM +0200, Mathijs Brands allegedly wrote:
> On Wed, Mar 28, 2001 at 04:56:15PM -0500, Bruce Momjian allegedly wrote:
> > [ Charset ISO-8859-1 unsupported, converting... ]
> > > whats wrong with /usr/ucb/ps auxw | grep $PGUSER
> > >
> > > to get only the processes for PG?
> >
> > I can do that if there is no other option, but on my BSDI machine,
> > restricting ps to a specific user is much faster than a ps on the whole
> > system. Seeing that 'ps' is run by default every 5 seconds, this could
> > be a performance issue.
> >
> > If I have to use 'grep' I will, but I was hoping for a real user
> > restriction.
>
> How about the following:
>
> ilsefe2:~$ /usr/ucb/ps -aux|head -1
> USER PID %CPU %MEM SZ RSS TT S START TIME COMMAND
> Broken Pipe
> ilsefe2:~$ /usr/ucb/ps -aux|grep mathijs
> mathijs 7255 0.1 0.2 2432 1816 pts/0 S 00:12:41 0:00 -bash
> mathijs 7775 0.1 0.1 960 728 pts/0 S 00:24:29 0:00 grep mathijs
> mathijs 7344 0.0 0.1 1064 912 pts/0 T 00:14:56 0:00 man ps
> mathijs 7359 0.0 0.1 1040 808 pts/0 T 00:14:57 0:00 sh -c more -s /tmp
> mathijs 7360 0.0 0.1 1184 968 pts/0 T 00:14:57 0:00 more -s /tmp/mp3Ha
> ilsefe2:~$ ps -U mathijs -o user,pid,pcpu,pmem,vsz,rss,tty,s,stime=START -o time,comm
> USER PID %CPU %MEM VSZ RSS TT S START TIME COMMAND
> mathijs 7359 0.0 0.1 1040 808 pts/0 T 00:14:57 0:00 sh
> mathijs 7255 0.1 0.2 2432 1816 pts/0 S 00:12:41 0:00 -bash
> root 7816 0.1 0.1 1080 840 pts/0 O 00:28:13 0:00 ps
> mathijs 7344 0.0 0.1 1064 912 pts/0 T 00:14:56 0:00 man
> mathijs 7360 0.0 0.1 1184 968 pts/0 T 00:14:57 0:00 more

Damn! Small correction:

ps -U mathijs -o user,pid,pcpu,pmem,vsz=SZ -o rss,tty,s,stime=START -o time,comm

Mathijs
--
It's not that perl programmers are idiots, it's that the language
rewards idiotic behavior in a way that no other language or tool has
ever done.
Erik Naggum