From 759830f8e1b7e72df3e4db18200ee80d84d2b229 Mon Sep 17 00:00:00 2001
From: Peter Palfrader <peter@palfrader.org>
Date: Mon, 15 Nov 2004 21:10:52 +0000
Subject: Add latency

---
 bin/latency-graphs | 196 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 196 insertions(+)
 create mode 100755 bin/latency-graphs

(limited to 'bin')

diff --git a/bin/latency-graphs b/bin/latency-graphs
new file mode 100755
index 0000000..156281e
--- /dev/null
+++ b/bin/latency-graphs
@@ -0,0 +1,196 @@
+#!/usr/bin/perl -w
+
+use strict;
+use English;
+
+my $ECHOLOT_BASE = shift @ARGV;
+die ("Usage: $PROGRAM_NAME <echolot base>\n") if (!defined $ECHOLOT_BASE || scalar @ARGV > 0);
+
+my $INDEX = $ECHOLOT_BASE.'/results/thesaurus/index.txt';
+my $STATSDIR = $ECHOLOT_BASE.'/data';
+my $AUTORANGE = 'ploticus/plot-autorange.pls';
+my $SAMERANGE = 'ploticus/plot-samerange.pls';
+my $SAMERANGESMALL = 'ploticus/plot-samerange-small.pls';
+my $DOTS_AUTORANGE = 'ploticus/plot-dots-autorange.pls';
+my $DOTS_SAMERANGE = 'ploticus/plot-dots-samerange.pls';
+my $DOTS_SAMERANGESMALL = 'ploticus/plot-dots-samerange-small.pls';
+my $OUTDIR = 'result';
+my $OUTINDEX = 'result/index.html';
+my $OUTSTATS = 'result/stats.txt';
+my $TMP = 'tmp';
+my $NOW = time;
+my $GMTIME = gmtime($NOW);
+#my $IMG_URL = 'http://images.noreply.org/latency/';
+my $IMG_URL = '';
+my $VERBOSE = 0;
+
+my $PLOTICUS = 'ploticus';
+my $IDENTIFY = 'identify';
+
+opendir(DIR, $STATSDIR) or die ("Cannot open $STATSDIR: $!\n");
+my @FILES = readdir(DIR);
+closedir(DIR);
+
+sub getsize($) {
+	my ($fn) = @_;
+	open (FH, "$IDENTIFY $fn|") or die ("Cannot call $IDENTIFY: $!\n");
+	my $l = <FH>;
+	close FH;
+	unless (defined $l) {
+		warn ("Cannot identify $fn\n");
+		return {x => 0, y => 0};
+	};
+	my ($x, $y) = $l =~ /(\d+)x(\d+)/;
+	return {x => $x, y=> $y};
+};
+
+open(STATS, '>'.$OUTSTATS) or die ("Cannot open $OUTSTATS: $!\n");
+print STATS "node	median	mean	stddev\n";
+
+my %remailers;
+open (INDEX, $INDEX) or die("Cannot open $INDEX: $!\n");
+while (<INDEX>) {
+	my ($nick, $id, $address) = split (/\s+/,$_);
+	my @address = quotemeta($address);
+	my @files = grep {/^$address\..*\.done$/} @FILES;
+	my @lines;
+	for my $file (@files) {
+		open(F, $STATSDIR.'/'.$file) or
+			warn("Cannot open $STATSDIR/$file: $!\n"),
+			next;
+		push @lines, map {chomp; $_} <F>;
+		close(F);
+	};
+	my $count = scalar @lines;
+	unless ($count) {
+		warn("No data for $address\n") if ($VERBOSE);
+		next;
+	};
+	my $sum = 0;
+	my @values = sort { $a <=> $b } map { my @tmp = split; $tmp[1] /= 60; $sum += $tmp[1]; $tmp[1]; } @lines;
+	my $mean = $sum / $count;
+	my $median = ($count % 2 == 0) ? ($values[$count/2 - 1] + $values[$count/2])/2 : $values[$count/2];
+	my @points = map { my @tmp = split; $tmp[0] = ($tmp[0]-$NOW)/(60*60*24); $tmp[1] /= 60; $tmp[0].' '.$tmp[1] } @lines;
+
+	my $sum_delta = 0;
+	for (@values) { my $tmp = $_ - $mean; $sum_delta += $tmp * $tmp };
+	my $stddev = sqrt( $sum_delta / $count );
+
+	open (STUBS, ">$TMP/stubs") or
+		warn ("Cannot open $TMP/stubs: $!\n"),
+		next;
+	print STUBS "$mean	mean\n";
+	print STUBS "$median	median\n";
+	close STUBS;
+
+	open (VALUES, ">$TMP/values") or
+		warn ("Cannot open $TMP/values: $!\n"),
+		next;
+	print VALUES "$_\n" for @values;
+	close VALUES;
+
+	open (POINTS, ">$TMP/points") or
+		warn ("Cannot open $TMP/points $!\n"),
+		next;
+	print POINTS "$_\n" for @points;
+	close POINTS;
+
+	my $autorange = $nick.'-autorange.png';
+	my $samerange = $nick.'-samerange.png';
+	my $samerangesmall = $nick.'-samerange.small.png';
+	system($PLOTICUS, '-o', $OUTDIR.'/'.$autorange, '-png', '-scale', '1.0,1.0', $AUTORANGE);
+	system($PLOTICUS, '-o', $OUTDIR.'/'.$samerange, '-png', '-scale', '1.0,1.0', $SAMERANGE);
+	system($PLOTICUS, '-o', $OUTDIR.'/'.$samerangesmall, '-png', '-scale', '1.0,1.0', $SAMERANGESMALL);
+
+	my $dots_autorange = $nick.'-dots-autorange.png';
+	my $dots_samerange = $nick.'-dots-samerange.png';
+	my $dots_samerangesmall = $nick.'-dots-samerange.small.png';
+	system($PLOTICUS, '-o', $OUTDIR.'/'.$dots_autorange, '-png', '-scale', '1.0,1.0', $DOTS_AUTORANGE);
+	system($PLOTICUS, '-o', $OUTDIR.'/'.$dots_samerange, '-png', '-scale', '1.0,1.0', $DOTS_SAMERANGE);
+	system($PLOTICUS, '-o', $OUTDIR.'/'.$dots_samerangesmall, '-png', '-scale', '1.0,1.0', $DOTS_SAMERANGESMALL);
+
+	$remailers{$address} = {
+		address => $address,
+		nick    => $nick,
+		median  => $median,
+		mean    => $mean,
+		stddev  => $stddev,
+		samerange => $samerange,
+		autorange => $autorange,
+		samerangesmall => $samerangesmall,
+		dots_samerange => $dots_samerange,
+		dots_autorange => $dots_autorange,
+		dots_samerangesmall => $dots_samerangesmall,
+
+		samerange_size => getsize($OUTDIR.'/'.$samerange),
+		autorange_size => getsize($OUTDIR.'/'.$autorange),
+		samerangesmall_size => getsize($OUTDIR.'/'.$samerangesmall),
+		dots_samerange_size => getsize($OUTDIR.'/'.$dots_samerange),
+		dots_autorange_size => getsize($OUTDIR.'/'.$dots_autorange),
+		dots_samerangesmall_size => getsize($OUTDIR.'/'.$dots_samerangesmall),
+		};
+	printf STATS "%s	%6.0f	%6.0f	%6.0f\n", $nick, $median, $mean, $stddev;
+}
+close(INDEX);
+close(STATS);
+
+
+my $index;
+my $body;
+for my $remailer (sort { $remailers{$a}->{'nick'} cmp $remailers{$b}->{'nick'}} keys %remailers) {
+	my $nick = $remailers{$remailer}->{'nick'};
+	my $address = $remailers{$remailer}->{'address'};
+	my $median = $remailers{$remailer}->{'median'};
+	my $mean = $remailers{$remailer}->{'mean'};
+	my $stddev = $remailers{$remailer}->{'stddev'};
+	my $autorange = $remailers{$remailer}->{'autorange'};
+	my $samerange = $remailers{$remailer}->{'samerange'};
+	my $samerangesmall = $remailers{$remailer}->{'samerangesmall'};
+	my $dots_autorange = $remailers{$remailer}->{'dots_autorange'};
+	my $dots_samerange = $remailers{$remailer}->{'dots_samerange'};
+	my $dots_samerangesmall = $remailers{$remailer}->{'dots_samerangesmall'};
+
+	my $autorange_size = $remailers{$remailer}->{'autorange_size'};
+	my $samerange_size = $remailers{$remailer}->{'samerange_size'};
+	my $samerangesmall_size = $remailers{$remailer}->{'samerangesmall_size'};
+	my $dots_autorange_size = $remailers{$remailer}->{'dots_autorange_size'};
+	my $dots_samerange_size = $remailers{$remailer}->{'dots_samerange_size'};
+	my $dots_samerangesmall_size = $remailers{$remailer}->{'dots_samerangesmall_size'};
+
+	$index .= "<li><a href=\"#$nick\">$nick &lt;$address&gt;</a></li>\n";
+	$body .= "<h2><a name=\"$nick\">$nick &lt;$address&gt;</a></h2>\n<p>\n";
+	$body .= "<img src=\"$IMG_URL$samerangesmall\" width=\"$samerangesmall_size->{'x'}\" height=\"$samerangesmall_size->{'y'}\">\n";
+	$body .= "<img src=\"$IMG_URL$dots_samerangesmall\" width=\"$dots_samerangesmall_size->{'x'}\" height=\"$dots_samerangesmall_size->{'y'}\">\n";
+	$body .= "<br><small><a href=\"$nick.html\">Larger images and images with adapted scales</a>.</small></p>";
+
+	open (F, '>'.$OUTDIR.'/'.$nick.'.html') or die ("Cannot open $OUTDIR/$nick.html: $!\n");
+	print F "<html><head><title>Latency Stats for $nick</title></head><body>\n";
+	print F "<h1>Latency Stats for $nick</h1>\n";
+	print F "<a href=\"./\">index</a><br>\n";
+	print F "<p>\n";
+	printf F "Median: %6.0f minutes<br>\n", $median;
+	printf F "Arithmetic Mean: %6.0f minutes<br>\n", $mean;
+	printf F "Standard Deviation from Mean: %6.0f minutes<br>\n", $stddev;
+	print F "<table>\n";
+	print F "<tr><td><img src=\"$IMG_URL$samerange\" width=\"$samerange_size->{'x'}\" height=\"$samerange_size->{'y'}\">".
+		"</td><td><img src=\"$IMG_URL$dots_samerange\" width=\"$dots_samerange_size->{'x'}\" height=\"$dots_samerange_size->{'y'}\"></td></tr>\n";
+	print F "<tr><td><img src=\"$IMG_URL$autorange\" width=\"$autorange_size->{'x'}\" height=\"$autorange_size->{'y'}\">" .
+		"</td><td><img src=\"$IMG_URL$dots_autorange\" width=\"$dots_autorange_size->{'x'}\" height=\"$dots_autorange_size->{'y'}\"></td></tr>\n";
+	print F "</table>\n";
+	print F "<hr>\nBuilt at $GMTIME<br>\n";
+	print F "<a href=\"web\@palfrader.org\">Peter Palfrader &lt;web\@palfrader.org&gt;</a>\n";
+	print F "</body></html>\n";
+}
+
+open (F, '>'.$OUTINDEX) or die ("Cannot open $OUTINDEX: $!\n");
+print F "<html><head><title>Latencies</title></head><body>\n";
+print F "<h1>Latency Stats</h1>\n";
+print F "<a href=\"../\">..</a><br>\n";
+#print F "<ul>$index</ul>\n";
+print F "$body\n";
+print F "<br><br><br>\n";
+print F 'Images created with Steve Grubb\'s <a href="http://ploticus.sourceforge.net/">ploticus</a>'."\n";
+print F "<hr>\nBuilt at $GMTIME<br>\n";
+print F "<a href=\"web\@palfrader.org\">Peter Palfrader &lt;web\@palfrader.org&gt;</a>\n";
+print F "</body></html>\n";
+close (F);
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