Jim, On 2005-04-25T11:43:18-0700, Jim Trocki wrote: > >I hacked one up in bash that I would be happy to contribute (BSD, X11 or > >similar free license, but perl would probably be better for portability > >and I think that has been done before. > > ok, post it to the list when it's ready.
Attached. copyright.txt is just a copy of the MIT License (http://opensource.org/licenses/mit-license.php) modified with year and name to indicate that it is free. /Allan
#!/usr/bin/perl
# usage:
# monitor ps.monitor ( process:[min]-[max] )+ ;;
#
# where:
# process process name
# min optional minimum number of process name running
# max optional maxumum number of process name running
#
# example:
# monitor dhcpd3:1-1 syslog-ng:1- ;;
use Proc::ProcessTable;
# parse command line
my %watched_processes;
while(<@ARGV>) {
if(m/([^:]+):([0-9]*)?-([0-9]*)?/) {
# $1 is process, $2 is min and $3 is max
$watched_processes{$1} = [$2, $3, 0];
} else {
print "Cannot parse the argument \"$_\"\n";
}
}
# read process table and count the processes of interest
my $process_table = new Proc::ProcessTable('cache_ttys' => 0 );
foreach $process ( @{$process_table->table} ) {
if( defined($watched_processes{$process->fname}) ) {
$watched_processes{$process->fname}[2]++;
}
}
# print name:count of processes if needed
my $report = 0;
for $process (keys(%watched_processes)) {
my $count = $watched_processes{$process}[2];
my $min = $watched_processes{$process}[0] || $count;
my $max = $watched_processes{$process}[1] || $count;
if($min > $count || $max < $count) {
$report = 1;
print "$process:$watched_processes{$process}[2]\n";
}
}
exit $report;
Copyright 2005 Allan Wind Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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