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Code Issues Releases Wiki Activity

Use persistent CPU usage block

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This commit is contained in:
Joe Groocock 2018-02-22 13:03:01 +00:00
parent 3890246f83
commit 74b9523476
Signed by: frebib
GPG Key ID: E0B16BEACFBB6A86
2 changed files with 26 additions and 48 deletions
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2
.config/i3/blocks/config
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@ -62,7 +62,7 @@ signal=5
[cpu_usage] [cpu_usage]
label= label=
interval=2 interval=persist
[separator] [separator]

72
.config/i3/blocks/cpu_usage
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@ -1,53 +1,31 @@
#!/usr/bin/perl #!/bin/bash
# # by Paul Colby (http://colby.id.au), no rights reserved ;)
# Copyright 2014 Pierre Mavro <deimos@deimos.fr> # https://github.com/Leo-G/DevopsWiki/wiki/How-Linux-CPU-Usage-Time-and-Percentage-is-calculated
# 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; PREV_TOTAL=0
use warnings; PREV_IDLE=0
use utf8;
use Getopt::Long;
# default values while true; do
my $t_warn = 50; # Get the total CPU statistics, discarding the 'cpu ' prefix.
my $t_crit = 80; CPU=(`sed -n 's/^cpu\s//p' /proc/stat`)
my $cpu_usage = -1; IDLE=${CPU[3]} # Just the idle CPU time.
sub help { # Calculate the total CPU time.
print "Usage: cpu_usage [-w <warning>] [-c <critical>]\n"; TOTAL=0
print "-w <percent>: warning threshold to become yellow\n"; for VALUE in "${CPU[@]}"; do
print "-c <percent>: critical threshold to become red\n"; let "TOTAL=$TOTAL+$VALUE"
exit 0; done
}
GetOptions("help|h" => \&help, # Calculate the CPU usage since we last checked.
"w=i" => \$t_warn, let "DIFF_IDLE=$IDLE-$PREV_IDLE"
"c=i" => \$t_crit); let "DIFF_TOTAL=$TOTAL-$PREV_TOTAL"
let "DIFF_USAGE=(1000*($DIFF_TOTAL-$DIFF_IDLE)/$DIFF_TOTAL+5)/10"
echo -e "$DIFF_USAGE%\n$DIFF_USAGE%"
# Get CPU usage # Remember the total and idle CPU times for the next check.
$ENV{LC_ALL}="en_US"; # if mpstat is not run under en_US locale, things may break, so make sure it is PREV_TOTAL="$TOTAL"
open (MPSTAT, 'mpstat 1 1 |') or die 'Cannot run mpstat'; PREV_IDLE="$IDLE"
while (<MPSTAT>) {
if (/^.*\s+(\d+\.\d+)\s+$/) {
$cpu_usage = 100 - $1; # 100% - %idle
last;
}
}
close(MPSTAT);
#$cpu_usage eq -1 and die 'Can\'t find CPU information'; # Wait before checking again.
sleep 1
# Print short_text, full_text done
printf "%.0f%%\n"x2, $cpu_usage;
# Print color, if needed
if ($cpu_usage >= $t_crit) {
print "#FF0000\n";
} elsif ($cpu_usage >= $t_warn) {
print "#FFCB00\n";
}
exit 0;