338 lines
10 KiB
Perl
Executable File
338 lines
10 KiB
Perl
Executable File
#!/usr/bin/perl -w
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# $Id: plot_summary.pl,v 1.2 1999/12/02 01:59:05 stenn Exp $
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#
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# Use Gnuplot to display data in summary files produced by summary.pl.
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# This script requires GNUPLOT 3.7!
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#
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# Copyright (c) 1997, 1999 by Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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require 5.003; # "never tested with any other version of Perl"
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use strict;
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use Time::Local;
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use Getopt::Long;
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# parse command line
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my $summary_dir = "/tmp";
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my $identifier = "host " . `hostname`; # origin of these data
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chomp $identifier; # remove newline
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my $offset_limit = 0.128; # limit of absolute offset
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my $output_file = ""; # output file defaults to stdout
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my $output_file_number = 1; # numbering of output files
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my $gnuplot_terminal = $ENV{DISPLAY} ? "x11" : "dumb";
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my $wait_after_plot = 1;
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my @peer_list = ();
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my %options = ("directory|input-directory=s" => \$summary_dir,
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"identifier=s" => \$identifier,
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"offset-limit=f" => \$offset_limit,
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"output-file=s" => \$output_file,
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"peer=s@" => \@peer_list,
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"plot-term|gnuplot-term=s" => \$gnuplot_terminal,
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"wait-after-plot!" => \$wait_after_plot,
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);
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if ( !GetOptions(%options) )
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{
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print STDERR "valid options for $0 are:\n";
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my $opt;
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foreach $opt (sort(keys %options)) {
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print STDERR "\t--$opt\t(default is ";
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if ( ref($options{$opt}) eq "ARRAY" ) {
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print STDERR join(", ", map { "'$_'" } @{$options{$opt}});
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} else {
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print STDERR "'${$options{$opt}}'";
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}
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print STDERR ")\n";
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}
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print STDERR "\n";
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die;
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}
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chomp $identifier;
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die "illegal offset-limit: $offset_limit" unless $offset_limit > 0.0;
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$offset_limit *= 1e6; # scale to microseconds
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# return the smallest value in the given list
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sub min
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{
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my ($result, @rest) = @_;
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map { $result = $_ if ($_ < $result) } @rest;
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return($result);
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}
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# return the largest value in the given list
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sub max
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{
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my ($result, @rest) = @_;
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map { $result = $_ if ($_ > $result) } @rest;
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return($result);
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}
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# maybe open alternate output file
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sub open_output
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{
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my $file;
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if ($output_file) {
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while ( -r ($file = "$output_file$output_file_number") ) {
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++$output_file_number;
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}
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open TOUCH, ">$file" and close TOUCH or die "$file: $!";
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print "set output \"$file\"\n";
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}
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}
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# make Gnuplot wait
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sub maybe_add_pause
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{
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print "pause -1 \"Press key to continue...\"\n" if $wait_after_plot;
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}
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# plot data from loop summary
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sub do_loop
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{
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my $fname = shift;
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my $line;
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my $out_file = "/tmp/tempdata$$";
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my $cmd_file = "/tmp/tempcmd$$";
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my ($first_day, $day_out) = ("", 0);
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my ($lower_bound, $upper_bound, $rms);
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my ($min_offs, $max_offs) = (1e9, -1e9);
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my ($min_rms, $max_rms) = (1e9, -1e9);
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open INPUT, "$fname" or die "$fname: $!";
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open OUTPUT, ">$out_file" or die "$out_file: $!";
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my @Fld;
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while (<INPUT>) {
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chop; # strip record separator
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@Fld = split;
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if ($#Fld == 0) {
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# loops.19960405
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$_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
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m/(\d{4})(\d{2})(\d{2})/;
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$line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
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$line = int $line / 86400; # days relative to 1970
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$first_day = "$1-$2-$3 ($line)" unless $day_out;
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next;
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}
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if ($#Fld != 8) {
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warn "Illegal number of fields in file $fname, line $.";
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next;
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}
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# loop 216, 856106+/-874041.5, rms 117239.8, freq 67.52+/-10.335, var 4.850
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$_ = $Fld[1]; s/,/ /; $line .= " $_";
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$_ = $Fld[2]; m:(.+?)\+/-(.+),:;
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$lower_bound = $1 - $2;
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$upper_bound = $1 + $2;
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$line .= "$1 $lower_bound $upper_bound";
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$min_offs = min($min_offs, $lower_bound);
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$max_offs = max($max_offs, $upper_bound);
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$_ = $Fld[4]; s/,/ /; $rms = $_;
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$min_rms = min($min_rms, $rms);
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$max_rms = max($max_rms, $rms);
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$line .= " $rms";
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$_ = $Fld[6]; m:(.+?)\+/-(.+),:;
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$line .= " $1 " . ($1-$2) . " " . ($1+$2);
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$line .= " $Fld[8]";
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print OUTPUT "$line\n";
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$day_out = 1;
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# 9621 216 856106 -17935.5 1730147.5 117239.8 67.52 57.185 77.855 4.850
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}
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close INPUT;
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close OUTPUT or die "close failed on $out_file: $!";
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my $ylimit = "[";
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if ($min_offs < -$offset_limit) {
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$ylimit .= "-$offset_limit";
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}
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$ylimit .= ":";
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if ($max_offs > $offset_limit) {
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$ylimit .= "$offset_limit";
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}
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if ( $ylimit eq "[:" ) {
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$ylimit = "";
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} else {
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$ylimit = "[] $ylimit]";
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}
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# build command file for GNUplot
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open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
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my $oldfh = select OUTPUT;
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print "set term $gnuplot_terminal\n";
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open_output;
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print "set grid\n";
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print "set title \"Loop Summary for $identifier: " .
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"Daily mean values since $first_day\\n" .
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"(Offset limit is $offset_limit microseconds)\"\n";
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print "set ylabel \"[us]\"\n";
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print "set data style yerrorbars\n";
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print "set multiplot\n";
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print "set size 1, 0.5\n";
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print "set lmargin 8\n";
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print "set origin 0, 0.5\n";
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print "plot $ylimit \"$out_file\"" .
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" using 1:3:4:5 title \"mean offset\", ";
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print "\"$out_file\" using 1:(\$3-\$6/2) " .
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"title \"(sigma low)\" with lines, ";
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print "\"$out_file\" using 1:3 smooth bezier " .
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"title \"(Bezier med)\" with lines, ";
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print "\"$out_file\" using 1:(\$3+\$6/2) " .
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"title \"(sigma high)\" with lines\n";
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print "set ylabel \"[ppm]\"\n";
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print "set origin 0, 0.0\n";
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print "set title\n";
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print "set xlabel \"Days relative to 1970\"\n";
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print "plot \"$out_file\" using 1:7:8:9 title \"mean frequency\", ";
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print "\"$out_file\" using 1:(\$7-\$10/2) " .
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"title \"(sigma low)\" with lines, ";
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print "\"$out_file\" using 1:7 smooth bezier " .
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"title \"(Bezier med)\" with lines, ";
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print "\"$out_file\" using 1:(\$7+\$10/2) " .
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"title \"(sigma high)\" with lines\n";
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print "set nomultiplot\n";
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maybe_add_pause;
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$ylimit = "[";
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if ($min_rms < -$offset_limit) {
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$ylimit .= "-$offset_limit";
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}
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$ylimit .= ":";
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if ($max_rms > $offset_limit) {
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$ylimit .= "$offset_limit";
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}
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if ( $ylimit eq "[:" ) {
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$ylimit ="";
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} else {
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$ylimit = "[] $ylimit]";
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}
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open_output;
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print "set title \"Loop Summary for $identifier: " .
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"Standard deviation since $first_day\\n" .
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"(Offset limit is $offset_limit microseconds)\"\n";
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print "set xlabel\n";
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print "set ylabel \"[us]\"\n";
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print "set origin 0, 0.5\n";
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print "set data style linespoints\n";
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print "set multiplot\n";
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print "plot $ylimit \"$out_file\" using 1:6 title \"Offset\", ";
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print "\"$out_file\" using 1:6 smooth bezier " .
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"title \"(Bezier)\" with lines\n";
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print "set title\n";
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print "set origin 0, 0.0\n";
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print "set xlabel \"Days relative to 1970\"\n";
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print "set ylabel \"[ppm]\"\n";
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print "plot \"$out_file\" using 1:10 title \"Frequency\", ";
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print "\"$out_file\" using 1:10 smooth bezier " .
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"title \"(Bezier)\" with lines\n";
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print "set nomultiplot\n";
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maybe_add_pause;
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close OUTPUT or die "close failed on $cmd_file: $!";
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select $oldfh;
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print `gnuplot $cmd_file`;
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unlink $cmd_file;
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unlink $out_file;
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}
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# plot data form peer summary
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sub do_peer
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{
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my $fname = shift;
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my $peer = shift;
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my $out_file = "/tmp/tempdata$$";
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my $cmd_file = "/tmp/tempcmd$$";
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my $line;
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my ($first_day, $day_out) = ("", 0);
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open INPUT, "$fname" or die "$fname: $!";
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open OUTPUT, ">$out_file" or die "$out_file: $!";
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my @Fld;
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while (<INPUT>) {
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chop; # strip record separator
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@Fld = split;
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if ($#Fld == 0) {
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# peers.19960405
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$_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
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m/(\d{4})(\d{2})(\d{2})/ or next;
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$line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
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$line = int $line / 86400; # days relative to 1970
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$first_day = "$1-$2-$3 ($line)" unless $day_out;
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next;
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}
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if ($#Fld != 7) {
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warn "Illegal number of fields in file $fname, line $.";
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next;
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}
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next if ($Fld[0] ne $peer);
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# ident cnt mean rms max delay dist disp
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# 127.127.8.1 38 30.972 189.867 1154.607 0.000 879.760 111.037
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$Fld[0] = $line;
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print OUTPUT join(' ', @Fld) . "\n";
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# 9969 38 30.972 189.867 1154.607 0.000 879.760 111.037
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$day_out = 1;
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}
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close INPUT;
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close OUTPUT or die "close failed on $out_file: $!";
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die "no data found for peer $peer" if !$day_out;
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open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
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my $oldfh = select OUTPUT;
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print "set term $gnuplot_terminal\n";
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open_output;
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print "set grid\n";
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print "set multiplot\n";
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print "set lmargin 8\n";
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print "set size 1, 0.34\n";
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print "set origin 0, 0.66\n";
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print "set title " .
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"\"Peer Summary for $peer on $identifier since $first_day\"\n";
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print "set data style linespoints\n";
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print "set ylabel \"[us]\"\n";
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print "plot \"$out_file\" using 1:3 title \"mean offset\", ";
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print "\"$out_file\" using 1:3 smooth bezier " .
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"title \"(Bezier)\" with lines, ";
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print "\"$out_file\" using 1:(\$3-\$7/2) " .
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"title \"(sigma low)\" with lines, ";
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print "\"$out_file\" using 1:(\$3+\$7/2) " .
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"title \"(sigma high)\" with lines\n";
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print "set title\n";
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print "set origin 0, 0.34\n";
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print "set size 1, 0.32\n";
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print "set ylabel\n";
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print "plot \"$out_file\" using 1:7 title \"dist\", ";
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print "\"$out_file\" using 1:7 smooth bezier " .
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"title \"(Bezier)\" with lines\n";
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print "set origin 0, 0.00\n";
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print "set size 1, 0.35\n";
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print "set xlabel \"Days relative to 1970\"\n";
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print "plot \"$out_file\" using 1:8 title \"disp\", ";
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print "\"$out_file\" using 1:8 smooth bezier " .
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"title \"(Bezier)\" with lines\n";
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print "set nomultiplot\n";
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maybe_add_pause;
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select $oldfh;
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close OUTPUT or die "close failed on $cmd_file: $!";
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print `gnuplot $cmd_file`;
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unlink $cmd_file;
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unlink $out_file;
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}
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my $loop_summary ="$summary_dir/loop_summary";
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my $peer_summary ="$summary_dir/peer_summary";
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my $clock_summary="$summary_dir/clock_summary";
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do_loop $loop_summary;
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map { do_peer $peer_summary, $_ } @peer_list;
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