dotfiles/i3/scripts/cpu_usage

53 lines
1.8 KiB
Perl
Executable File

#!/usr/bin/perl
#
# Copyright 2014 Pierre Mavro <deimos@deimos.fr>
# Copyright 2014 Vivien Didelot <vivien@didelot.org>
# Copyright 2014 Andreas Guldstrand <andreas.guldstrand@gmail.com>
#
# Licensed under the terms of the GNU GPL v3, or any later version.
use strict;
use warnings;
use utf8;
use Getopt::Long;
# default values
my $t_warn = 50;
my $t_crit = 80;
my $cpu_usage = -1;
sub help {
print "Usage: cpu_usage [-w <warning>] [-c <critical>]\n";
print "-w <percent>: warning threshold to become yellow\n";
print "-c <percent>: critical threshold to become red\n";
exit 0;
}
GetOptions("help|h" => \&help,
"w=i" => \$t_warn,
"c=i" => \$t_crit);
# Get CPU usage
$ENV{LC_ALL}="en_US"; # if mpstat is not run under en_US locale, things may break, so make sure it is
open (MPSTAT, 'mpstat 1 1 |') or die;
while (<MPSTAT>) {
if (/^Average:\s+all\s+(\d+\.\d+)\s+\d+\.\d+\s+(\d+\.\d+)/) {
$cpu_usage = $1 + $2; # %usr + %sys
last;
}
}
close(MPSTAT);
$cpu_usage eq -1 and die 'Can\'t find CPU information';
# Print short_text, full_text
if ($cpu_usage >= $t_crit) {
printf '<span background="#ffd700" foreground="#B60900"></span><span background="#B60900" foreground="black">  %.2f%% </span><span foreground="#4c83ff" background="#B60900"></span>', $cpu_usage;
} elsif ($cpu_usage >= $t_warn) {
printf '<span background="#ffd700" foreground="#ffa500"></span><span background="#ffa500" foreground="black">  %.2f%% </span><span foreground="#4c83ff" background="#ffa500"></span>', $cpu_usage;
} else {
printf '<span background="#ffd700" foreground="#61CE3C"></span><span background="#61CE3C" foreground="black">  %.2f%% </span><span foreground="#4c83ff" background="#61CE3C"></span>', $cpu_usage;
}
exit 0;