36 lines
848 B
Perl
Executable File
36 lines
848 B
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 utf8;
|
|
use Getopt::Long;
|
|
|
|
# default values
|
|
my $cpu_usage = -1;
|
|
my $decimals = $ENV{DECIMALS} // 2;
|
|
my $label ="C ";
|
|
|
|
# Get CPU usage
|
|
$ENV{LC_ALL}="en_US"; # if mpstat is not run under en_US locale, things may break, so make sure it is
|
|
open (MPSTAT, 'mpstat 1 1 |') or die;
|
|
while (<MPSTAT>) {
|
|
if (/^.*\s+(\d+\.\d+)[\s\x00]?$/) {
|
|
$cpu_usage = 100 - $1; # 100% - %idle
|
|
last;
|
|
}
|
|
}
|
|
close(MPSTAT);
|
|
|
|
$cpu_usage eq -1 and die 'Can\'t find CPU information';
|
|
|
|
# Print short_text, full_text
|
|
printf "${label}";
|
|
printf "%.${decimals}f%%\n", $cpu_usage;
|
|
|
|
exit 0;
|