1 files changed, 66 insertions, 0 deletions
diff --git a/config/i3blocks/scripts/cpu_usage b/config/i3blocks/scripts/cpu_usage
new file mode 100755
index 0000000..b298a97
--- /dev/null
+++ b/config/i3blocks/scripts/cpu_usage
@@ -0,0 +1,66 @@
+#!/usr/bin/env 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 = $ENV{T_WARN} // 50;
+my $t_crit = $ENV{T_CRIT} // 80;
+my $cpu_usage = -1;
+my $decimals = $ENV{DECIMALS} // 2;
+my $label = $ENV{LABEL} // "";
+my $color_normal = $ENV{COLOR_NORMAL} // "#EBDBB2";
+my $color_warn = $ENV{COLOR_WARN} // "#FFFC00";
+my $color_crit = $ENV{COLOR_CRIT} // "#FF0000";
+
+sub help {
+    print "Usage: cpu_usage [-w <warning>] [-c <critical>] [-d <decimals>]\n";
+    print "-w <percent>: warning threshold to become yellow\n";
+    print "-c <percent>: critical threshold to become red\n";
+    print "-d <decimals>:  Use <decimals> decimals for percentage (default is $decimals) \n"; 
+    exit 0;
+}
+
+GetOptions("help|h" => \&help,
+           "w=i"    => \$t_warn,
+           "c=i"    => \$t_crit,
+           "d=i"    => \$decimals,
+);
+
+# Get CPU usage
+$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
+print "${label}";
+printf "%.${decimals}f%%\n", $cpu_usage;
+print "${label}";
+printf "%.${decimals}f%%\n", $cpu_usage;
+
+# Print color, if needed
+if ($cpu_usage >= $t_crit) {
+    print "${color_crit}\n";
+} elsif ($cpu_usage >= $t_warn) {
+    print "${color_warn}\n";
+} else {
+    print "${color_normal}\n";
+}
+
+exit 0;