[ILUG] Continuous process monitoring

[cybersean3000 at yahoo.com]

You may want to implement a network management utility.  
Scotty/Tkined is an excellent package, and you can get it here if 
your distribution does not provide a binary pacakge:

http://wwwhome.cs.utwente.nl/~schoenw/scotty/

On 17 Sep 2001, at 11:01, Niall O Broin wrote:

> I manage a box which provides web and mail services for a number of
> companies. The load average lately has on occasion gone sky high and I need
> to get a handle on what's going on. Of course I can use top, ps or vmstat at
> any given moment to see what's happening but I'd like to get a look at
> trends or the ongoing situation, particularly WRT memory and CPU usage by
> apache and Communigate Pro (a commercial SMTP server). I tried this
> 
> #!/usr/bin/perl
> open TOP, "top -n1 -b|";
> while (<TOP>) {
>   if ($header_done) {
> 	 ($cpu, $mem, $command) = unpack("x50 A4 x A4 x8 A*", $_);
> 	 $cpu{$command} += $cpu;
> 	 $mem{$command} += $mem;
>   }
>   $header_done = ($header_done || /PID/)
> }
> 
> print "Process\tCPU\tMemory\n";
> foreach ("httpd", "httpdcomet", "CGServer", "mysqld") {
>   print "$_\t$cpu{$_}\t$mem{$_}\n";
> }
> 
> 
> which I intended to run every minute or so, but it's not producing accurate
> results - CGServer (the Communigate Pro process, of which there may be ~100
> running) uses 112% of CPU - obviously the figures from top are not accurate
> enough to do this with them. Does any know of tools which might help ? I
> have looked around, but tend to find various things like GUIs for top etc.
> which don't really help. I really want to find on a continuous basis how
> much of a load the above 4 processes (and there may of course be multiple
> instances of each) are producing (BTW httpdcomet is a special version of
> apache).
> 
> 
> 
> Niall
> 
> -- 
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