Date: Wed, 19 Sep 2007 12:27:10 +0500 From: rihad <rihad@mail.ru> To: Anton Berezin <tobez@tobez.org> Cc: freebsd-perl@freebsd.org Subject: Re: top(1) process name Message-ID: <46F0CF4E.201@mail.ru> In-Reply-To: <20070918143102.GC55827@heechee.tobez.org> References: <46EFBF75.2030009@mail.ru> <20070918143102.GC55827@heechee.tobez.org>
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Anton Berezin wrote: > On Tue, Sep 18, 2007 at 05:07:17PM +0500, rihad wrote: > >> This is probably a FAQ. Is there any way to set the process name of a >> running Perl program displayed in top(1)? >> >> $0 = 'candy'; >> >> doesn't seem to affect it in any way (although it does change what ps >> displays). > > I do not believe it is possible in modern FreeBSDs. The top(1) utility uses > kvm_getprocs(3), which guarantees that the ki_comm field will represent an > unaltered original command name, so no amount of tinkering with > setproctitle(3) or the contents of argv array will change that. > > Accidentally, ps -c does the same. > > If there is a way to do it, I will be happy to learn about it myself. > I hacked it by hardlinking the desired name to perl: # ln /root/candy /usr/local/bin/perl # cat /path/to/my/perl/script #!/root/candy ... Good enough for me.
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