xref: /freebsd/contrib/ntp/scripts/plot_summary.in (revision e8d8bef961a50d4dc22501cde4fb9fb0be1b2532)
1#! @PATH_PERL@ -w
2# $Id$
3#
4# Use Gnuplot to display data in summary files produced by summary.pl.
5# This script requires GNUPLOT 3.7!
6#
7# Copyright (c) 1997, 1999 by Ulrich Windl <Ulrich.Windl@rz.uni-regensburg.de>
8#
9# This program is free software; you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation; either version 2 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful, but
15# WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17# General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program; if not, write to the Free Software
21# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22package plot_summary;
23use 5.006_000;
24use strict;
25use Time::Local;
26
27my ($identifier, $offset_limit, $gnuplot_terminal, $wait_after_plot,
28    $output_file, $output_file_number);
29
30exit run(@ARGV) unless caller;
31
32sub run {
33    my $opts;
34    if (!processOptions(\@_, $opts)) {
35        usage(1);
36    }
37
38    $identifier  = $opts->{'identifier'};
39    if (!$identifier) {
40        $identifier = "host".`hostname`;
41        chomp $identifier;
42    }
43    $offset_limit       = $opts->{'offset-limit'};
44    $output_file        = $opts->{'output-file'};
45    $output_file_number = 1;
46    $gnuplot_terminal   = $opts->{'plot-terminal'}
47    || ( $ENV{DISPLAY} ? "x11" : "dumb" );
48    $wait_after_plot    = !$opts->{'dont-wait'};
49
50    die "illegal offset-limit: $offset_limit" unless $offset_limit > 0.0;
51    $offset_limit *= 1e6;			# scale to microseconds
52
53    my $summary_dir = $opts->{'directory'};
54
55    my $loop_summary ="$summary_dir/loop_summary";
56    my $peer_summary ="$summary_dir/peer_summary";
57    my $clock_summary="$summary_dir/clock_summary";
58
59    my @peer_list   = @{$opts->{'peer'}};
60
61    do_loop($loop_summary);
62    do_peer($peer_summary, $_) for @peer_list;
63}
64
65# return the smallest value in the given list
66sub min
67{
68    my ($result, @rest) = @_;
69    map { $result = $_ if ($_ < $result) } @rest;
70    return($result);
71}
72
73# return the largest value in the given list
74sub max
75{
76    my ($result, @rest) = @_;
77    map { $result = $_ if ($_ > $result) } @rest;
78    return($result);
79}
80
81# maybe open alternate output file
82sub open_output
83{
84    my $file;
85    if ($output_file) {
86	while ( -r ($file = "$output_file$output_file_number") ) {
87	    ++$output_file_number;
88	}
89	open TOUCH, ">$file" and close TOUCH or die "$file: $!";
90	print "set output \"$file\"\n";
91    }
92}
93
94# make Gnuplot wait
95sub maybe_add_pause
96{
97    print "pause -1 \"Press key to continue...\"\n" if $wait_after_plot;
98}
99
100# plot data from loop summary
101sub do_loop
102{
103    my $fname = shift;
104    my $line;
105    my $out_file = "/tmp/tempdata$$";
106    my $cmd_file = "/tmp/tempcmd$$";
107    my ($first_day, $day_out) = ("", 0);
108    my ($lower_bound, $upper_bound, $rms);
109    my ($min_offs, $max_offs) = (1e9, -1e9);
110    my ($min_rms, $max_rms) = (1e9, -1e9);
111    open INPUT, "$fname" or die "$fname: $!";
112    open OUTPUT, ">$out_file" or die "$out_file: $!";
113    my @Fld;
114    while (<INPUT>) {
115	chop;	# strip record separator
116	@Fld = split;
117	if ($#Fld == 0) {
118# loops.19960405
119	    $_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
120	    m/(\d{4})(\d{2})(\d{2})/;
121	    $line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
122	    $line = int $line / 86400;	# days relative to 1970
123	    $first_day = "$1-$2-$3 ($line)" unless $day_out;
124	    next;
125	}
126	if ($#Fld != 8) {
127	    warn "Illegal number of fields in file $fname, line $.";
128	    next;
129	}
130# loop 216, 856106+/-874041.5, rms 117239.8, freq 67.52+/-10.335, var 4.850
131	$_ = $Fld[1]; s/,/ /; $line .= " $_";
132	$_ = $Fld[2]; m:(.+?)\+/-(.+),:;
133	$lower_bound = $1 - $2;
134	$upper_bound = $1 + $2;
135	$line .= "$1 $lower_bound $upper_bound";
136	$min_offs = min($min_offs, $lower_bound);
137	$max_offs = max($max_offs, $upper_bound);
138	$_ = $Fld[4]; s/,/ /; $rms = $_;
139	$min_rms = min($min_rms, $rms);
140	$max_rms = max($max_rms, $rms);
141	$line .= " $rms";
142	$_ = $Fld[6]; m:(.+?)\+/-(.+),:;
143	$line .= " $1 " . ($1-$2) . " " . ($1+$2);
144	$line .= " $Fld[8]";
145	print OUTPUT "$line\n";
146	$day_out = 1;
147# 9621 216 856106 -17935.5 1730147.5 117239.8  67.52 57.185 77.855 4.850
148    }
149    close INPUT;
150    close OUTPUT or die "close failed on $out_file: $!";
151    my $ylimit = "[";
152    if ($min_offs < -$offset_limit) {
153	$ylimit .= "-$offset_limit";
154    }
155    $ylimit .= ":";
156    if ($max_offs > $offset_limit) {
157	$ylimit .= "$offset_limit";
158    }
159    if ( $ylimit eq "[:" ) {
160	$ylimit = "";
161    } else {
162	$ylimit = "[] $ylimit]";
163    }
164# build command file for GNUplot
165    open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
166    my $oldfh = select OUTPUT;
167    print "set term $gnuplot_terminal\n";
168    open_output;
169    print "set grid\n";
170    print "set title \"Loop Summary for $identifier: " .
171	"Daily mean values since $first_day\\n" .
172	"(Offset limit is $offset_limit microseconds)\"\n";
173    print "set ylabel \"[us]\"\n";
174    print "set style data yerrorbars\n";
175    print "set multiplot\n";
176    print "set size 1, 0.5\n";
177    print "set lmargin 8\n";
178    print "set origin 0, 0.5\n";
179    print "plot $ylimit \"$out_file\"" .
180	" using 1:3:4:5 title \"mean offset\", ";
181    print "\"$out_file\" using 1:(\$3-\$6/2) " .
182	"title \"(sigma low)\" with lines, ";
183    print "\"$out_file\" using 1:3 smooth bezier " .
184	"title \"(Bezier med)\" with lines, ";
185    print "\"$out_file\" using 1:(\$3+\$6/2) " .
186	"title \"(sigma high)\" with lines\n";
187    print "set ylabel \"[ppm]\"\n";
188    print "set origin 0, 0.0\n";
189    print "set title\n";
190    print "set xlabel \"Days relative to 1970\"\n";
191    print "plot \"$out_file\" using 1:7:8:9 title \"mean frequency\", ";
192    print "\"$out_file\" using 1:(\$7-\$10/2) " .
193	"title \"(sigma low)\" with lines, ";
194    print "\"$out_file\" using 1:7 smooth bezier " .
195	"title \"(Bezier med)\" with lines, ";
196    print "\"$out_file\" using 1:(\$7+\$10/2) " .
197	"title \"(sigma high)\" with lines\n";
198    print "set nomultiplot\n";
199    maybe_add_pause;
200
201    $ylimit = "[";
202    if ($min_rms < -$offset_limit) {
203	$ylimit .= "-$offset_limit";
204    }
205    $ylimit .= ":";
206    if ($max_rms > $offset_limit) {
207	$ylimit .= "$offset_limit";
208    }
209    if ( $ylimit eq "[:" ) {
210	$ylimit ="";
211    } else {
212	$ylimit = "[] $ylimit]";
213    }
214
215    open_output;
216    print "set title \"Loop Summary for $identifier: " .
217	"Standard deviation since $first_day\\n" .
218	"(Offset limit is $offset_limit microseconds)\"\n";
219    print "set xlabel\n";
220    print "set ylabel \"[us]\"\n";
221    print "set origin 0, 0.5\n";
222    print "set style data linespoints\n";
223    print "set multiplot\n";
224    print "plot $ylimit \"$out_file\" using 1:6 title \"Offset\", ";
225    print "\"$out_file\" using 1:6 smooth bezier " .
226	"title \"(Bezier)\" with lines\n";
227    print "set title\n";
228    print "set origin 0, 0.0\n";
229    print "set xlabel \"Days relative to 1970\"\n";
230    print "set ylabel \"[ppm]\"\n";
231    print "plot \"$out_file\" using 1:10 title \"Frequency\", ";
232    print "\"$out_file\" using 1:10 smooth bezier " .
233	"title \"(Bezier)\" with lines\n";
234    print "set nomultiplot\n";
235    maybe_add_pause;
236
237    close OUTPUT or die "close failed on $cmd_file: $!";
238    select $oldfh;
239    print `gnuplot $cmd_file`;
240    unlink $cmd_file;
241    unlink $out_file;
242}
243
244# plot data form peer summary
245sub do_peer
246{
247    my $fname = shift;
248    my $peer = shift;
249    my $out_file = "/tmp/tempdata$$";
250    my $cmd_file = "/tmp/tempcmd$$";
251    my $line;
252    my ($first_day, $day_out) = ("", 0);
253    open INPUT, "$fname" or die "$fname: $!";
254    open OUTPUT, ">$out_file" or die "$out_file: $!";
255    my @Fld;
256    while (<INPUT>) {
257	chop;	# strip record separator
258	@Fld = split;
259	if ($#Fld == 0) {
260# peers.19960405
261	    $_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
262	    m/(\d{4})(\d{2})(\d{2})/ or next;
263	    $line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
264	    $line = int $line / 86400;	# days relative to 1970
265	    $first_day = "$1-$2-$3 ($line)" unless $day_out;
266	    next;
267	}
268	if ($#Fld != 7) {
269	    warn "Illegal number of fields in file $fname, line $.";
270	    next;
271	}
272	next if ($Fld[0] ne $peer);
273#       ident     cnt     mean     rms      max     delay     dist     disp
274# 127.127.8.1       38   30.972  189.867 1154.607    0.000  879.760  111.037
275	$Fld[0] = $line;
276	print OUTPUT join(' ', @Fld) . "\n";
277# 9969 38 30.972 189.867 1154.607 0.000 879.760 111.037
278	$day_out = 1;
279    }
280    close INPUT;
281    close OUTPUT or die "close failed on $out_file: $!";
282    die "no data found for peer $peer" if !$day_out;
283    open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
284    my $oldfh = select OUTPUT;
285    print "set term $gnuplot_terminal\n";
286    open_output;
287    print "set grid\n";
288    print "set multiplot\n";
289    print "set lmargin 8\n";
290    print "set size 1, 0.34\n";
291    print "set origin 0, 0.66\n";
292    print "set title " .
293	"\"Peer Summary for $peer on $identifier since $first_day\"\n";
294    print "set style data linespoints\n";
295    print "set ylabel \"[us]\"\n";
296    print "plot \"$out_file\" using 1:3 title \"mean offset\", ";
297    print "\"$out_file\" using 1:3 smooth bezier " .
298	"title \"(Bezier)\" with lines, ";
299    print "\"$out_file\" using 1:(\$3-\$7/2) " .
300	"title \"(sigma low)\" with lines, ";
301    print "\"$out_file\" using 1:(\$3+\$7/2) " .
302	"title \"(sigma high)\" with lines\n";
303    print "set title\n";
304    print "set origin 0, 0.34\n";
305    print "set size 1, 0.32\n";
306    print "set ylabel\n";
307    print "plot \"$out_file\" using 1:7 title \"dist\", ";
308    print "\"$out_file\" using 1:7 smooth bezier " .
309	"title \"(Bezier)\" with lines\n";
310    print "set origin 0, 0.00\n";
311    print "set size 1, 0.35\n";
312    print "set xlabel \"Days relative to 1970\"\n";
313    print "plot \"$out_file\" using 1:8 title \"disp\", ";
314    print "\"$out_file\" using 1:8 smooth bezier " .
315	"title \"(Bezier)\" with lines\n";
316    print "set nomultiplot\n";
317    maybe_add_pause;
318
319    select $oldfh;
320    close OUTPUT or die "close failed on $cmd_file: $!";
321    print `gnuplot $cmd_file`;
322    unlink $cmd_file;
323    unlink $out_file;
324}
325
326@plot_summary_opts@
327
3281;
329__END__
330