mirror of
https://github.com/munin-monitoring/contrib.git
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Merge pull request #206 from aptivate/master
Improved HTTP plugin, new CPU and page fault plugins
This commit is contained in:
Kenyon Ralph
commit
29e6559e8b
6 changed files with 385 additions and 27 deletions
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@ -10,7 +10,12 @@
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=head1 CONFIGURATION
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[http_request_time]
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env.url http://127.0.0.1/1 http://127.0.0.1/2 http://127.0.0.1/3
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env.url http://127.0.0.1/1
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env.url2 http://127.0.0.1/2
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env.url3 http://www.example.com
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env.url3_name some_munin_internal_name
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env.url3_label Some random page on our website
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env.url3_proxy http://firewall:3128
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=head1 MAGIC MARKERS
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@ -41,7 +46,6 @@ sub clean {
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return $surl;
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};
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if (! eval "require LWP::UserAgent;")
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{
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$ret = "LWP::UserAgent not found";
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@ -50,12 +54,19 @@ if (! eval "require LWP::UserAgent;")
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}
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}
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my $URL = $ENV{'url'}?$ENV{'url'}:"http://127.0.0.1/";
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my %URLS;
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foreach $_ (split(/ /,$URL)){
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$URLS{$_}={
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url=>$_,
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surl=>clean($_),
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for (my $i = 1; $ENV{"url$i"}; $i++)
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{
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my $url = $ENV{"url$i"};
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my $proxy = $ENV{"url${i}_proxy"};
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my $name = $ENV{"url${i}_name"} || clean($url);
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my $label = $ENV{"url${i}_label"} || $url;
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$URLS{$name}={
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url=>$url,
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proxy=>$proxy,
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label=>$label,
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time=>'U'
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};
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}
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@ -94,50 +105,67 @@ if ( defined $ARGV[0] and $ARGV[0] eq "config" )
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print "graph_category other\n";
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my @go;
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foreach my $url (values %URLS) {
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print "$$url{'surl'}.label $$url{'url'}\n";
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print "$$url{'surl'}.info The response time of a single request\n";
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print "$$url{'surl'}.min 0\n";
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print "$$url{'surl'}.draw LINE1\n";
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push(@go,$$url{'surl'});
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foreach my $name (keys %URLS) {
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my $url = $URLS{$name};
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print "$name.label $$url{'label'}\n";
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print "$name.info The response time of a single request\n";
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print "$name.min 0\n";
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print "$name.draw LINE1\n";
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push(@go, $name);
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}
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# multigraphs
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foreach my $url (values %URLS) {
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print "\nmultigraph http_request_time.$$url{'surl'}\n";
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foreach my $name (keys %URLS) {
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my $url = $URLS{$name};
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print "\nmultigraph http_request_time.$name\n";
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print "graph_title $$url{'url'}\n";
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print "graph_args --base 1000\n";
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print "graph_vlabel response time in ms\n";
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print "graph_category other\n";
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print "$$url{'surl'}.label $$url{'url'}\n";
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print "$$url{'surl'}.info The response time of a single request\n";
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print "$$url{'surl'}.min 0\n";
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print "$$url{'surl'}.draw LINE1\n";
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print "$name.label $$url{'label'}\n";
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print "$name.info The response time of a single request\n";
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print "$name.min 0\n";
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print "$name.draw LINE1\n";
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}
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exit 0;
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}
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my $ua = LWP::UserAgent->new(timeout => 15);
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foreach my $name (keys %URLS) {
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my $url = $URLS{$name};
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foreach my $url (values %URLS) {
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my $t1=[gettimeofday];
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if ($url->{proxy}) {
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$ua->proxy(['http', 'ftp'], $url->{proxy});
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}
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else {
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$ua->proxy(['http', 'ftp'], undef);
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}
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# warm up
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my $response = $ua->request(HTTP::Request->new('GET',$$url{'url'}));
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# timed run
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my $t1=[gettimeofday];
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$response = $ua->request(HTTP::Request->new('GET',$$url{'url'}));
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my $t2=[gettimeofday];
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if ($response->is_success) {
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$$url{'time'}=sprintf("%d",tv_interval($t1,$t2)*1000);
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};
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};
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print("multigraph http_request_time\n");
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foreach my $url (values %URLS) {
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print("$$url{'surl'}.value $$url{'time'}\n");
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}
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foreach my $url (values %URLS) {
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print("\nmultigraph http_request_time.$$url{'surl'}\n");
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print("$$url{'surl'}.value $$url{'time'}\n");
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foreach my $name (keys %URLS) {
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my $url = $URLS{$name};
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print("$name.value $$url{'time'}\n");
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}
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foreach my $name (keys %URLS) {
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my $url = $URLS{$name};
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print("\nmultigraph http_request_time.$name\n");
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print("$name.value $$url{'time'}\n");
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}
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# vim:syntax=perl
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106
plugins/system/cpu_by_process
Executable file
106
plugins/system/cpu_by_process
Executable file
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@ -0,0 +1,106 @@
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#!/usr/bin/perl
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#
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# Copyright 2012 Chris Wilson
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# Copyright 2006 Holger Levsen
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#
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# This plugin monitors ALL processes on a system. No exceptions. It can
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# produce very big graphs! But if you want to know where your CPU time
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# is going without knowing what to monitor in advance, this can help;
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# or in addition to one of the more specific CPU plugins to monitor
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# just Apache or MySQL, for example.
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#
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# It's not obvious what the graph heights actually mean, even to me.
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# Each counter is a DERIVE (difference since the last counter reading)
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# of the CPU time usage (in seconds) accounted to each process, summed
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# by the process name, so all Apache and all MySQL processes are grouped
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# together. Processes with no CPU usage at all are ignored. Processes
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# that die may not appear on the graph, and anyway their last chunk of
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# CPU usage before they died is lost. You could modify this plugin to
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# read SAR/psacct records if you care about that.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#scriptname=`basename $0`
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#vsname=`echo $scriptname | perl -ne '/^vserver_proc_VM_(.*)/ and print $1'`
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#if [ "$1" = "suggest" ]; then
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# ls -1 /etc/vservers
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# exit 0
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#elif [ -z "$vsname" ]; then
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# echo "Must be used with a vserver name; try '$0 suggest'" >&2
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# exit 2
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#fi
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use strict;
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use warnings;
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my $cmd = "ps -eo time,comm h";
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open PS, "$cmd|" or die "Failed to run ps command: $cmd: $!";
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# my $header_line = <PS>;
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my %total_cpu_by_process;
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while (<PS>)
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{
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my @fields = split;
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my $cputime = $fields[0];
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my $process = $fields[1];
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# remove any / and everything after it from the process name,
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# e.g. kworker/0:2 -> kworker
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$process =~ s|/.*||;
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# remove any . at the end of the name (why does this appear?)
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# $process =~ s|\.$||;
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# change any symbol that's not allowed in a munin variable name to _
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$process =~ tr|a-zA-Z0-9|_|c;
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my @times = split /:/, $cputime;
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$cputime = (($times[0] * 60) + $times[1]) * 60 + $times[2];
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$total_cpu_by_process{$process} += $cputime;
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}
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foreach my $process (keys %total_cpu_by_process)
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{
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# remove all processes with 0 cpu time
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if (not $total_cpu_by_process{$process})
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{
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delete $total_cpu_by_process{$process};
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}
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}
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close(PS);
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if (@ARGV and $ARGV[1] eq "config")
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{
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print <<END;
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graph_title CPU time by Process
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graph_args --base 1000
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graph_vlabel seconds
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graph_category system
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graph_info Shows CPU time used by each process name
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END
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my $stack = 0;
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sub draw() { return $stack++ ? "STACK" : "AREA" }
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print map
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{
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"$_.label $_\n" .
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"$_.min 0\n" .
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"$_.type DERIVE\n" .
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"$_.draw " . draw() . "\n"
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} sort keys %total_cpu_by_process;
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}
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else
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{
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print map
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{
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"$_.value $total_cpu_by_process{$_}\n"
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} sort keys %total_cpu_by_process;
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}
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exit(0);
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0
plugins/system/membyuser
Normal file → Executable file
0
plugins/system/membyuser
Normal file → Executable file
0
plugins/system/memory_by_process
Normal file → Executable file
0
plugins/system/memory_by_process
Normal file → Executable file
105
plugins/system/pagefaults_by_process
Executable file
105
plugins/system/pagefaults_by_process
Executable file
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@ -0,0 +1,105 @@
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#!/usr/bin/perl
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#
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# Copyright 2012 Chris Wilson
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# Copyright 2006 Holger Levsen
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#
|
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# This plugin monitors ALL processes on a system. No exceptions. It can
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# produce very big graphs! But if you want to know which processes are
|
||||
# killing your system by page faulting, without knowing what to monitor
|
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# in advance, this can help; or in addition to one of the more specific
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# plugins to monitor just Apache or MySQL, for example.
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#
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# Each counter is a DERIVE (difference since the last counter reading)
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# of the number of major page faults, usually 4k each, read in by a
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# process. Memory mapped files probably contribute to this. The process
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# cannot continue until the page fault is served, so this is a
|
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# high-priority read that usually indicates memory starvation.
|
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# Processes with no page faults at all are ignored. Processes
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# that die may not appear on the graph, and anyway their last chunk of
|
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# CPU usage before they died is lost. You could modify this plugin to
|
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# read SAR/psacct records if you care about that.
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#
|
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# This program is free software; you can redistribute it and/or
|
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#scriptname=`basename $0`
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#vsname=`echo $scriptname | perl -ne '/^vserver_proc_VM_(.*)/ and print $1'`
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#if [ "$1" = "suggest" ]; then
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# ls -1 /etc/vservers
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# exit 0
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#elif [ -z "$vsname" ]; then
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# echo "Must be used with a vserver name; try '$0 suggest'" >&2
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# exit 2
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#fi
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use strict;
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use warnings;
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my $cmd = "ps -eo maj_flt,comm h";
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open PS, "$cmd|" or die "Failed to run ps command: $cmd: $!";
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# my $header_line = <PS>;
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my %total_by_process;
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|
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while (<PS>)
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{
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my @fields = split;
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my $value = $fields[0];
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my $process = $fields[1];
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|
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# remove any / and everything after it from the process name,
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# e.g. kworker/0:2 -> kworker
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$process =~ s|/.*||;
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|
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# remove any . at the end of the name (why does this appear?)
|
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# $process =~ s|\.$||;
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|
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# change any symbol that's not allowed in a munin variable name to _
|
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$process =~ tr|a-zA-Z0-9|_|c;
|
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|
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$total_by_process{$process} += $value;
|
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}
|
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|
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foreach my $process (keys %total_by_process)
|
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{
|
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# remove all processes with 0 faults
|
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if (not $total_by_process{$process})
|
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{
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delete $total_by_process{$process};
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||||
}
|
||||
}
|
||||
|
||||
close(PS);
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|
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if (@ARGV and $ARGV[1] eq "config")
|
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{
|
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print <<END;
|
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graph_title Page faults by Process
|
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graph_args --base 1000
|
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graph_vlabel seconds
|
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graph_category system
|
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graph_info Shows number of major page faults caused by each process name
|
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END
|
||||
|
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my $stack = 0;
|
||||
sub draw() { return $stack++ ? "STACK" : "AREA" }
|
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print map
|
||||
{
|
||||
"$_.label $_\n" .
|
||||
"$_.min 0\n" .
|
||||
"$_.type DERIVE\n" .
|
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"$_.draw " . draw() . "\n"
|
||||
} sort keys %total_by_process;
|
||||
}
|
||||
else
|
||||
{
|
||||
print map
|
||||
{
|
||||
"$_.value $total_by_process{$_}\n"
|
||||
} sort keys %total_by_process;
|
||||
}
|
||||
|
||||
exit(0);
|
||||
119
plugins/system/total_by_process_
Executable file
119
plugins/system/total_by_process_
Executable file
|
|
@ -0,0 +1,119 @@
|
|||
#!/usr/bin/perl
|
||||
#
|
||||
# Copyright 2012 Chris Wilson
|
||||
# Copyright 2006 Holger Levsen
|
||||
#
|
||||
# This plugin monitors ALL processes on a system. No exceptions. It can
|
||||
# produce very big graphs! But if you want to know which processes are
|
||||
# killing your system by page faulting, without knowing what to monitor
|
||||
# in advance, this can help; or in addition to one of the more specific
|
||||
# plugins to monitor just Apache or MySQL, for example.
|
||||
#
|
||||
# Each counter is a DERIVE (difference since the last counter reading)
|
||||
# of the number of major page faults, usually 4k each, read in by a
|
||||
# process. Memory mapped files probably contribute to this. The process
|
||||
# cannot continue until the page fault is served, so this is a
|
||||
# high-priority read that usually indicates memory starvation.
|
||||
# Processes with no page faults at all are ignored. Processes
|
||||
# that die may not appear on the graph, and anyway their last chunk of
|
||||
# CPU usage before they died is lost. You could modify this plugin to
|
||||
# read SAR/psacct records if you care about that.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or
|
||||
# modify it under the terms of the GNU General Public License
|
||||
# as published by the Free Software Foundation; version 2 dated June,
|
||||
# 1991.
|
||||
|
||||
use strict;
|
||||
use warnings;
|
||||
|
||||
my $scriptname = $0;
|
||||
$scriptname =~ s|.*/||;
|
||||
my $fieldname = ($scriptname =~ /^total_by_process_(.*)_(.*)/) ? $1 : undef;
|
||||
my $fieldtype = ($scriptname =~ /^total_by_process_(.*)_(.*)/) ? $2 : undef;
|
||||
|
||||
if (@ARGV and $ARGV[1] eq "suggest")
|
||||
{
|
||||
system("ps L | cut -d' ' -f1");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
if (!$fieldname)
|
||||
{
|
||||
print STDERR "Must be used with a PS format specifier name; try '$0 suggest'";
|
||||
exit(2);
|
||||
}
|
||||
|
||||
unless ($fieldtype =~ /^(GAUGE|DERIVE)$/)
|
||||
{
|
||||
print STDERR "Unknown field type $fieldtype: should be GAUGE or DERIVE";
|
||||
exit(2);
|
||||
}
|
||||
|
||||
my $cmd = "ps -eo $fieldname,comm h";
|
||||
open PS, "$cmd|" or die "Failed to run ps command: $cmd: $!";
|
||||
|
||||
# my $header_line = <PS>;
|
||||
my %total_by_process;
|
||||
|
||||
while (<PS>)
|
||||
{
|
||||
my @fields = split;
|
||||
my $value = $fields[0];
|
||||
my $process = $fields[1];
|
||||
|
||||
# remove any / and everything after it from the process name,
|
||||
# e.g. kworker/0:2 -> kworker
|
||||
$process =~ s|/.*||;
|
||||
|
||||
# remove any . at the end of the name (why does this appear?)
|
||||
# $process =~ s|\.$||;
|
||||
|
||||
# change any symbol that's not allowed in a munin variable name to _
|
||||
$process =~ tr|a-zA-Z0-9|_|c;
|
||||
|
||||
$total_by_process{$process} += $value;
|
||||
}
|
||||
|
||||
foreach my $process (keys %total_by_process)
|
||||
{
|
||||
# remove all processes with 0 faults
|
||||
if (not $total_by_process{$process})
|
||||
{
|
||||
delete $total_by_process{$process};
|
||||
}
|
||||
}
|
||||
|
||||
close(PS);
|
||||
|
||||
if (@ARGV and $ARGV[1] == "config")
|
||||
{
|
||||
print <<END;
|
||||
graph_title $fieldname by Process
|
||||
graph_category system
|
||||
graph_info Shows total of $fieldname (reported by ps) for each process name
|
||||
graph_vlabel $fieldname (from ps)
|
||||
END
|
||||
|
||||
# graph_args --base 1000
|
||||
# graph_vlabel seconds
|
||||
|
||||
my $stack = 0;
|
||||
sub draw() { return $stack++ ? "STACK" : "AREA" }
|
||||
print map
|
||||
{
|
||||
"$_.label $_\n" .
|
||||
"$_.min 0\n" .
|
||||
"$_.type $fieldtype\n" .
|
||||
"$_.draw " . draw() . "\n"
|
||||
} sort keys %total_by_process;
|
||||
}
|
||||
else
|
||||
{
|
||||
print map
|
||||
{
|
||||
"$_.value $total_by_process{$_}\n"
|
||||
} sort keys %total_by_process;
|
||||
}
|
||||
|
||||
exit(0);
|
||||
Loading…
Add table
Add a link
Reference in a new issue