62 lines
1.4 KiB
Text
62 lines
1.4 KiB
Text
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#!/usr/bin/perl
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#
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# Copyright 2014 Pierre Mavro <deimos@deimos.fr>
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# Copyright 2014 Vivien Didelot <vivien@didelot.org>
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# Copyright 2014 Andreas Guldstrand <andreas.guldstrand@gmail.com>
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#
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# Licensed under the terms of the GNU GPL v3, or any later version.
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use strict;
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use warnings;
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use utf8;
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use Getopt::Long;
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# default values
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my $t_warn = 70;
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my $t_crit = 90;
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my $cpu_usage = -1;
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sub help {
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print "Usage: cpu_usage [-w <warning>] [-c <critical>]\n";
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print "-w <percent>: warning threshold to become yellow\n";
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print "-c <percent>: critical threshold to become red\n";
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exit 0;
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}
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GetOptions("help|h" => \&help,
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"w=i" => \$t_warn,
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"c=i" => \$t_crit);
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# Get CPU usage
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$ENV{LC_ALL}="en_US"; # if mpstat is not run under en_US locale, things may break, so make sure it is
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open (MPSTAT, 'mpstat 1 1 |') or die;
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while (<MPSTAT>) {
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if (/^.*\s+(\d+\.\d+)\s+$/) {
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$cpu_usage = 100 - $1; # 100% - %idle
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last;
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}
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}
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close(MPSTAT);
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$cpu_usage eq -1 and die 'Can\'t find CPU information';
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# Print short_text, full_text
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printf "%5.2f%%\n", $cpu_usage;
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printf "%2d%%\n", $cpu_usage;
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# Print color, if needed
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if ($cpu_usage >= $t_crit) {
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print "#f2777a\n";
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#exit 33;
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} elsif ($cpu_usage >= $t_warn) {
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print "#f99157\n";
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} elsif ($cpu_usage >= 40) {
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print "#ffcc66\n";
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} elsif ($cpu_usage >= 10) {
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print "#99cc99\n";
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} else {
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print "#66cccc\n";
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}
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exit 0;
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