/contrib/ntp/scripts/plot_summary.in
https://bitbucket.org/freebsd/freebsd-head/ · Autoconf · 337 lines · 282 code · 19 blank · 36 comment · 29 complexity · 3b2ae587c00f80e5ba3166061eb83f4b MD5 · raw file
- #! @PATH_PERL@ -w
- # $Id$
- #
- # Use Gnuplot to display data in summary files produced by summary.pl.
- # This script requires GNUPLOT 3.7!
- #
- # Copyright (c) 1997, 1999 by Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
- #
- # 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; either version 2 of the License, or
- # (at your option) any later version.
- #
- # This program is distributed in the hope that it will be useful, but
- # WITHOUT ANY WARRANTY; without even the implied warranty of
- # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- # General Public License for more details.
- #
- # You should have received a copy of the GNU General Public License
- # along with this program; if not, write to the Free Software
- # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- require 5.003; # "never tested with any other version of Perl"
- use strict;
- use Time::Local;
- use Getopt::Long;
- # parse command line
- my $summary_dir = "/tmp";
- my $identifier = "host " . `hostname`; # origin of these data
- chomp $identifier; # remove newline
- my $offset_limit = 0.128; # limit of absolute offset
- my $output_file = ""; # output file defaults to stdout
- my $output_file_number = 1; # numbering of output files
- my $gnuplot_terminal = $ENV{DISPLAY} ? "x11" : "dumb";
- my $wait_after_plot = 1;
- my @peer_list = ();
- my %options = ("directory|input-directory=s" => \$summary_dir,
- "identifier=s" => \$identifier,
- "offset-limit=f" => \$offset_limit,
- "output-file=s" => \$output_file,
- "peer=s@" => \@peer_list,
- "plot-term|gnuplot-term=s" => \$gnuplot_terminal,
- "wait-after-plot!" => \$wait_after_plot,
- );
- if ( !GetOptions(%options) )
- {
- print STDERR "valid options for $0 are:\n";
- my $opt;
- foreach $opt (sort(keys %options)) {
- print STDERR "\t--$opt\t(default is ";
- if ( ref($options{$opt}) eq "ARRAY" ) {
- print STDERR join(", ", map { "'$_'" } @{$options{$opt}});
- } else {
- print STDERR "'${$options{$opt}}'";
- }
- print STDERR ")\n";
- }
- print STDERR "\n";
- die;
- }
- chomp $identifier;
- die "illegal offset-limit: $offset_limit" unless $offset_limit > 0.0;
- $offset_limit *= 1e6; # scale to microseconds
- # return the smallest value in the given list
- sub min
- {
- my ($result, @rest) = @_;
- map { $result = $_ if ($_ < $result) } @rest;
- return($result);
- }
- # return the largest value in the given list
- sub max
- {
- my ($result, @rest) = @_;
- map { $result = $_ if ($_ > $result) } @rest;
- return($result);
- }
- # maybe open alternate output file
- sub open_output
- {
- my $file;
- if ($output_file) {
- while ( -r ($file = "$output_file$output_file_number") ) {
- ++$output_file_number;
- }
- open TOUCH, ">$file" and close TOUCH or die "$file: $!";
- print "set output \"$file\"\n";
- }
- }
- # make Gnuplot wait
- sub maybe_add_pause
- {
- print "pause -1 \"Press key to continue...\"\n" if $wait_after_plot;
- }
- # plot data from loop summary
- sub do_loop
- {
- my $fname = shift;
- my $line;
- my $out_file = "/tmp/tempdata$$";
- my $cmd_file = "/tmp/tempcmd$$";
- my ($first_day, $day_out) = ("", 0);
- my ($lower_bound, $upper_bound, $rms);
- my ($min_offs, $max_offs) = (1e9, -1e9);
- my ($min_rms, $max_rms) = (1e9, -1e9);
- open INPUT, "$fname" or die "$fname: $!";
- open OUTPUT, ">$out_file" or die "$out_file: $!";
- my @Fld;
- while (<INPUT>) {
- chop; # strip record separator
- @Fld = split;
- if ($#Fld == 0) {
- # loops.19960405
- $_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
- m/(\d{4})(\d{2})(\d{2})/;
- $line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
- $line = int $line / 86400; # days relative to 1970
- $first_day = "$1-$2-$3 ($line)" unless $day_out;
- next;
- }
- if ($#Fld != 8) {
- warn "Illegal number of fields in file $fname, line $.";
- next;
- }
- # loop 216, 856106+/-874041.5, rms 117239.8, freq 67.52+/-10.335, var 4.850
- $_ = $Fld[1]; s/,/ /; $line .= " $_";
- $_ = $Fld[2]; m:(.+?)\+/-(.+),:;
- $lower_bound = $1 - $2;
- $upper_bound = $1 + $2;
- $line .= "$1 $lower_bound $upper_bound";
- $min_offs = min($min_offs, $lower_bound);
- $max_offs = max($max_offs, $upper_bound);
- $_ = $Fld[4]; s/,/ /; $rms = $_;
- $min_rms = min($min_rms, $rms);
- $max_rms = max($max_rms, $rms);
- $line .= " $rms";
- $_ = $Fld[6]; m:(.+?)\+/-(.+),:;
- $line .= " $1 " . ($1-$2) . " " . ($1+$2);
- $line .= " $Fld[8]";
- print OUTPUT "$line\n";
- $day_out = 1;
- # 9621 216 856106 -17935.5 1730147.5 117239.8 67.52 57.185 77.855 4.850
- }
- close INPUT;
- close OUTPUT or die "close failed on $out_file: $!";
- my $ylimit = "[";
- if ($min_offs < -$offset_limit) {
- $ylimit .= "-$offset_limit";
- }
- $ylimit .= ":";
- if ($max_offs > $offset_limit) {
- $ylimit .= "$offset_limit";
- }
- if ( $ylimit eq "[:" ) {
- $ylimit = "";
- } else {
- $ylimit = "[] $ylimit]";
- }
- # build command file for GNUplot
- open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
- my $oldfh = select OUTPUT;
- print "set term $gnuplot_terminal\n";
- open_output;
- print "set grid\n";
- print "set title \"Loop Summary for $identifier: " .
- "Daily mean values since $first_day\\n" .
- "(Offset limit is $offset_limit microseconds)\"\n";
- print "set ylabel \"[us]\"\n";
- print "set data style yerrorbars\n";
- print "set multiplot\n";
- print "set size 1, 0.5\n";
- print "set lmargin 8\n";
- print "set origin 0, 0.5\n";
- print "plot $ylimit \"$out_file\"" .
- " using 1:3:4:5 title \"mean offset\", ";
- print "\"$out_file\" using 1:(\$3-\$6/2) " .
- "title \"(sigma low)\" with lines, ";
- print "\"$out_file\" using 1:3 smooth bezier " .
- "title \"(Bezier med)\" with lines, ";
- print "\"$out_file\" using 1:(\$3+\$6/2) " .
- "title \"(sigma high)\" with lines\n";
- print "set ylabel \"[ppm]\"\n";
- print "set origin 0, 0.0\n";
- print "set title\n";
- print "set xlabel \"Days relative to 1970\"\n";
- print "plot \"$out_file\" using 1:7:8:9 title \"mean frequency\", ";
- print "\"$out_file\" using 1:(\$7-\$10/2) " .
- "title \"(sigma low)\" with lines, ";
- print "\"$out_file\" using 1:7 smooth bezier " .
- "title \"(Bezier med)\" with lines, ";
- print "\"$out_file\" using 1:(\$7+\$10/2) " .
- "title \"(sigma high)\" with lines\n";
- print "set nomultiplot\n";
- maybe_add_pause;
- $ylimit = "[";
- if ($min_rms < -$offset_limit) {
- $ylimit .= "-$offset_limit";
- }
- $ylimit .= ":";
- if ($max_rms > $offset_limit) {
- $ylimit .= "$offset_limit";
- }
- if ( $ylimit eq "[:" ) {
- $ylimit ="";
- } else {
- $ylimit = "[] $ylimit]";
- }
- open_output;
- print "set title \"Loop Summary for $identifier: " .
- "Standard deviation since $first_day\\n" .
- "(Offset limit is $offset_limit microseconds)\"\n";
- print "set xlabel\n";
- print "set ylabel \"[us]\"\n";
- print "set origin 0, 0.5\n";
- print "set data style linespoints\n";
- print "set multiplot\n";
- print "plot $ylimit \"$out_file\" using 1:6 title \"Offset\", ";
- print "\"$out_file\" using 1:6 smooth bezier " .
- "title \"(Bezier)\" with lines\n";
- print "set title\n";
- print "set origin 0, 0.0\n";
- print "set xlabel \"Days relative to 1970\"\n";
- print "set ylabel \"[ppm]\"\n";
- print "plot \"$out_file\" using 1:10 title \"Frequency\", ";
- print "\"$out_file\" using 1:10 smooth bezier " .
- "title \"(Bezier)\" with lines\n";
- print "set nomultiplot\n";
- maybe_add_pause;
- close OUTPUT or die "close failed on $cmd_file: $!";
- select $oldfh;
- print `gnuplot $cmd_file`;
- unlink $cmd_file;
- unlink $out_file;
- }
- # plot data form peer summary
- sub do_peer
- {
- my $fname = shift;
- my $peer = shift;
- my $out_file = "/tmp/tempdata$$";
- my $cmd_file = "/tmp/tempcmd$$";
- my $line;
- my ($first_day, $day_out) = ("", 0);
- open INPUT, "$fname" or die "$fname: $!";
- open OUTPUT, ">$out_file" or die "$out_file: $!";
- my @Fld;
- while (<INPUT>) {
- chop; # strip record separator
- @Fld = split;
- if ($#Fld == 0) {
- # peers.19960405
- $_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
- m/(\d{4})(\d{2})(\d{2})/ or next;
- $line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
- $line = int $line / 86400; # days relative to 1970
- $first_day = "$1-$2-$3 ($line)" unless $day_out;
- next;
- }
- if ($#Fld != 7) {
- warn "Illegal number of fields in file $fname, line $.";
- next;
- }
- next if ($Fld[0] ne $peer);
- # ident cnt mean rms max delay dist disp
- # 127.127.8.1 38 30.972 189.867 1154.607 0.000 879.760 111.037
- $Fld[0] = $line;
- print OUTPUT join(' ', @Fld) . "\n";
- # 9969 38 30.972 189.867 1154.607 0.000 879.760 111.037
- $day_out = 1;
- }
- close INPUT;
- close OUTPUT or die "close failed on $out_file: $!";
- die "no data found for peer $peer" if !$day_out;
- open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
- my $oldfh = select OUTPUT;
- print "set term $gnuplot_terminal\n";
- open_output;
- print "set grid\n";
- print "set multiplot\n";
- print "set lmargin 8\n";
- print "set size 1, 0.34\n";
- print "set origin 0, 0.66\n";
- print "set title " .
- "\"Peer Summary for $peer on $identifier since $first_day\"\n";
- print "set data style linespoints\n";
- print "set ylabel \"[us]\"\n";
- print "plot \"$out_file\" using 1:3 title \"mean offset\", ";
- print "\"$out_file\" using 1:3 smooth bezier " .
- "title \"(Bezier)\" with lines, ";
- print "\"$out_file\" using 1:(\$3-\$7/2) " .
- "title \"(sigma low)\" with lines, ";
- print "\"$out_file\" using 1:(\$3+\$7/2) " .
- "title \"(sigma high)\" with lines\n";
- print "set title\n";
- print "set origin 0, 0.34\n";
- print "set size 1, 0.32\n";
- print "set ylabel\n";
- print "plot \"$out_file\" using 1:7 title \"dist\", ";
- print "\"$out_file\" using 1:7 smooth bezier " .
- "title \"(Bezier)\" with lines\n";
- print "set origin 0, 0.00\n";
- print "set size 1, 0.35\n";
- print "set xlabel \"Days relative to 1970\"\n";
- print "plot \"$out_file\" using 1:8 title \"disp\", ";
- print "\"$out_file\" using 1:8 smooth bezier " .
- "title \"(Bezier)\" with lines\n";
- print "set nomultiplot\n";
- maybe_add_pause;
- select $oldfh;
- close OUTPUT or die "close failed on $cmd_file: $!";
- print `gnuplot $cmd_file`;
- unlink $cmd_file;
- unlink $out_file;
- }
- my $loop_summary ="$summary_dir/loop_summary";
- my $peer_summary ="$summary_dir/peer_summary";
- my $clock_summary="$summary_dir/clock_summary";
- do_loop $loop_summary;
- map { do_peer $peer_summary, $_ } @peer_list;