#!/bin/sh
#
# log-nr-of-httpd-processes - log the number of running /usr/sbin/httpd processes
#
# $Id$

logdir=$HOME/log
me=`basename $0`
logfile=$logdir/$me.log

Die() { echo $me: "$@" >&2; exit 1; }

[ -d $logdir ] || mkdir -p $logdir || Die cannot create log directory $logdir

nr=`ps -eo rsz,sz,vsz,cmd | perl -lne '
my ($rsz,$sz,$vsz,$cmd) = split;
if ($cmd eq "/usr/sbin/httpd")
{
  ++$nr;
  $sum_rsz += $rsz;
  $sum_sz += $sz;
  $sum_vsz += $vsz
}
END
{
  print "nr: $nr rsz: $sum_rsz sz: $sum_sz vsz: $sum_vsz\n"
}'`

#logger -p local0.notice "$@" "$nr running /usr/sbin/httpd processes"
# works, but write it to $logfile instead
echo "`date` httpds: $nr" >> $logfile