Annotation of embedaddon/ntp/scripts/plot_summary.in, revision 1.1.1.1
1.1 misho 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.
22:
23: require 5.003; # "never tested with any other version of Perl"
24: use strict;
25:
26: use Time::Local;
27: use Getopt::Long;
28:
29: # parse command line
30: my $summary_dir = "/tmp";
31: my $identifier = "host " . `hostname`; # origin of these data
32: chomp $identifier; # remove newline
33: my $offset_limit = 0.128; # limit of absolute offset
34: my $output_file = ""; # output file defaults to stdout
35: my $output_file_number = 1; # numbering of output files
36: my $gnuplot_terminal = $ENV{DISPLAY} ? "x11" : "dumb";
37: my $wait_after_plot = 1;
38: my @peer_list = ();
39:
40: my %options = ("directory|input-directory=s" => \$summary_dir,
41: "identifier=s" => \$identifier,
42: "offset-limit=f" => \$offset_limit,
43: "output-file=s" => \$output_file,
44: "peer=s@" => \@peer_list,
45: "plot-term|gnuplot-term=s" => \$gnuplot_terminal,
46: "wait-after-plot!" => \$wait_after_plot,
47: );
48:
49: if ( !GetOptions(%options) )
50: {
51: print STDERR "valid options for $0 are:\n";
52: my $opt;
53: foreach $opt (sort(keys %options)) {
54: print STDERR "\t--$opt\t(default is ";
55: if ( ref($options{$opt}) eq "ARRAY" ) {
56: print STDERR join(", ", map { "'$_'" } @{$options{$opt}});
57: } else {
58: print STDERR "'${$options{$opt}}'";
59: }
60: print STDERR ")\n";
61: }
62: print STDERR "\n";
63: die;
64: }
65:
66: chomp $identifier;
67: die "illegal offset-limit: $offset_limit" unless $offset_limit > 0.0;
68: $offset_limit *= 1e6; # scale to microseconds
69:
70: # return the smallest value in the given list
71: sub min
72: {
73: my ($result, @rest) = @_;
74: map { $result = $_ if ($_ < $result) } @rest;
75: return($result);
76: }
77:
78: # return the largest value in the given list
79: sub max
80: {
81: my ($result, @rest) = @_;
82: map { $result = $_ if ($_ > $result) } @rest;
83: return($result);
84: }
85:
86: # maybe open alternate output file
87: sub open_output
88: {
89: my $file;
90: if ($output_file) {
91: while ( -r ($file = "$output_file$output_file_number") ) {
92: ++$output_file_number;
93: }
94: open TOUCH, ">$file" and close TOUCH or die "$file: $!";
95: print "set output \"$file\"\n";
96: }
97: }
98:
99: # make Gnuplot wait
100: sub maybe_add_pause
101: {
102: print "pause -1 \"Press key to continue...\"\n" if $wait_after_plot;
103: }
104:
105: # plot data from loop summary
106: sub do_loop
107: {
108: my $fname = shift;
109: my $line;
110: my $out_file = "/tmp/tempdata$$";
111: my $cmd_file = "/tmp/tempcmd$$";
112: my ($first_day, $day_out) = ("", 0);
113: my ($lower_bound, $upper_bound, $rms);
114: my ($min_offs, $max_offs) = (1e9, -1e9);
115: my ($min_rms, $max_rms) = (1e9, -1e9);
116: open INPUT, "$fname" or die "$fname: $!";
117: open OUTPUT, ">$out_file" or die "$out_file: $!";
118: my @Fld;
119: while (<INPUT>) {
120: chop; # strip record separator
121: @Fld = split;
122: if ($#Fld == 0) {
123: # loops.19960405
124: $_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
125: m/(\d{4})(\d{2})(\d{2})/;
126: $line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
127: $line = int $line / 86400; # days relative to 1970
128: $first_day = "$1-$2-$3 ($line)" unless $day_out;
129: next;
130: }
131: if ($#Fld != 8) {
132: warn "Illegal number of fields in file $fname, line $.";
133: next;
134: }
135: # loop 216, 856106+/-874041.5, rms 117239.8, freq 67.52+/-10.335, var 4.850
136: $_ = $Fld[1]; s/,/ /; $line .= " $_";
137: $_ = $Fld[2]; m:(.+?)\+/-(.+),:;
138: $lower_bound = $1 - $2;
139: $upper_bound = $1 + $2;
140: $line .= "$1 $lower_bound $upper_bound";
141: $min_offs = min($min_offs, $lower_bound);
142: $max_offs = max($max_offs, $upper_bound);
143: $_ = $Fld[4]; s/,/ /; $rms = $_;
144: $min_rms = min($min_rms, $rms);
145: $max_rms = max($max_rms, $rms);
146: $line .= " $rms";
147: $_ = $Fld[6]; m:(.+?)\+/-(.+),:;
148: $line .= " $1 " . ($1-$2) . " " . ($1+$2);
149: $line .= " $Fld[8]";
150: print OUTPUT "$line\n";
151: $day_out = 1;
152: # 9621 216 856106 -17935.5 1730147.5 117239.8 67.52 57.185 77.855 4.850
153: }
154: close INPUT;
155: close OUTPUT or die "close failed on $out_file: $!";
156: my $ylimit = "[";
157: if ($min_offs < -$offset_limit) {
158: $ylimit .= "-$offset_limit";
159: }
160: $ylimit .= ":";
161: if ($max_offs > $offset_limit) {
162: $ylimit .= "$offset_limit";
163: }
164: if ( $ylimit eq "[:" ) {
165: $ylimit = "";
166: } else {
167: $ylimit = "[] $ylimit]";
168: }
169: # build command file for GNUplot
170: open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
171: my $oldfh = select OUTPUT;
172: print "set term $gnuplot_terminal\n";
173: open_output;
174: print "set grid\n";
175: print "set title \"Loop Summary for $identifier: " .
176: "Daily mean values since $first_day\\n" .
177: "(Offset limit is $offset_limit microseconds)\"\n";
178: print "set ylabel \"[us]\"\n";
179: print "set data style yerrorbars\n";
180: print "set multiplot\n";
181: print "set size 1, 0.5\n";
182: print "set lmargin 8\n";
183: print "set origin 0, 0.5\n";
184: print "plot $ylimit \"$out_file\"" .
185: " using 1:3:4:5 title \"mean offset\", ";
186: print "\"$out_file\" using 1:(\$3-\$6/2) " .
187: "title \"(sigma low)\" with lines, ";
188: print "\"$out_file\" using 1:3 smooth bezier " .
189: "title \"(Bezier med)\" with lines, ";
190: print "\"$out_file\" using 1:(\$3+\$6/2) " .
191: "title \"(sigma high)\" with lines\n";
192: print "set ylabel \"[ppm]\"\n";
193: print "set origin 0, 0.0\n";
194: print "set title\n";
195: print "set xlabel \"Days relative to 1970\"\n";
196: print "plot \"$out_file\" using 1:7:8:9 title \"mean frequency\", ";
197: print "\"$out_file\" using 1:(\$7-\$10/2) " .
198: "title \"(sigma low)\" with lines, ";
199: print "\"$out_file\" using 1:7 smooth bezier " .
200: "title \"(Bezier med)\" with lines, ";
201: print "\"$out_file\" using 1:(\$7+\$10/2) " .
202: "title \"(sigma high)\" with lines\n";
203: print "set nomultiplot\n";
204: maybe_add_pause;
205:
206: $ylimit = "[";
207: if ($min_rms < -$offset_limit) {
208: $ylimit .= "-$offset_limit";
209: }
210: $ylimit .= ":";
211: if ($max_rms > $offset_limit) {
212: $ylimit .= "$offset_limit";
213: }
214: if ( $ylimit eq "[:" ) {
215: $ylimit ="";
216: } else {
217: $ylimit = "[] $ylimit]";
218: }
219:
220: open_output;
221: print "set title \"Loop Summary for $identifier: " .
222: "Standard deviation since $first_day\\n" .
223: "(Offset limit is $offset_limit microseconds)\"\n";
224: print "set xlabel\n";
225: print "set ylabel \"[us]\"\n";
226: print "set origin 0, 0.5\n";
227: print "set data style linespoints\n";
228: print "set multiplot\n";
229: print "plot $ylimit \"$out_file\" using 1:6 title \"Offset\", ";
230: print "\"$out_file\" using 1:6 smooth bezier " .
231: "title \"(Bezier)\" with lines\n";
232: print "set title\n";
233: print "set origin 0, 0.0\n";
234: print "set xlabel \"Days relative to 1970\"\n";
235: print "set ylabel \"[ppm]\"\n";
236: print "plot \"$out_file\" using 1:10 title \"Frequency\", ";
237: print "\"$out_file\" using 1:10 smooth bezier " .
238: "title \"(Bezier)\" with lines\n";
239: print "set nomultiplot\n";
240: maybe_add_pause;
241:
242: close OUTPUT or die "close failed on $cmd_file: $!";
243: select $oldfh;
244: print `gnuplot $cmd_file`;
245: unlink $cmd_file;
246: unlink $out_file;
247: }
248:
249: # plot data form peer summary
250: sub do_peer
251: {
252: my $fname = shift;
253: my $peer = shift;
254: my $out_file = "/tmp/tempdata$$";
255: my $cmd_file = "/tmp/tempcmd$$";
256: my $line;
257: my ($first_day, $day_out) = ("", 0);
258: open INPUT, "$fname" or die "$fname: $!";
259: open OUTPUT, ">$out_file" or die "$out_file: $!";
260: my @Fld;
261: while (<INPUT>) {
262: chop; # strip record separator
263: @Fld = split;
264: if ($#Fld == 0) {
265: # peers.19960405
266: $_ = $Fld[0]; s/.*([12]\d{3}[01]\d[0-3]\d)$/$1/;
267: m/(\d{4})(\d{2})(\d{2})/ or next;
268: $line = timegm(59, 59, 23, $3, $2 - 1, $1 - 1900, 0, 0, 0);
269: $line = int $line / 86400; # days relative to 1970
270: $first_day = "$1-$2-$3 ($line)" unless $day_out;
271: next;
272: }
273: if ($#Fld != 7) {
274: warn "Illegal number of fields in file $fname, line $.";
275: next;
276: }
277: next if ($Fld[0] ne $peer);
278: # ident cnt mean rms max delay dist disp
279: # 127.127.8.1 38 30.972 189.867 1154.607 0.000 879.760 111.037
280: $Fld[0] = $line;
281: print OUTPUT join(' ', @Fld) . "\n";
282: # 9969 38 30.972 189.867 1154.607 0.000 879.760 111.037
283: $day_out = 1;
284: }
285: close INPUT;
286: close OUTPUT or die "close failed on $out_file: $!";
287: die "no data found for peer $peer" if !$day_out;
288: open OUTPUT, "> $cmd_file" or die "$cmd_file: $!";
289: my $oldfh = select OUTPUT;
290: print "set term $gnuplot_terminal\n";
291: open_output;
292: print "set grid\n";
293: print "set multiplot\n";
294: print "set lmargin 8\n";
295: print "set size 1, 0.34\n";
296: print "set origin 0, 0.66\n";
297: print "set title " .
298: "\"Peer Summary for $peer on $identifier since $first_day\"\n";
299: print "set data style linespoints\n";
300: print "set ylabel \"[us]\"\n";
301: print "plot \"$out_file\" using 1:3 title \"mean offset\", ";
302: print "\"$out_file\" using 1:3 smooth bezier " .
303: "title \"(Bezier)\" with lines, ";
304: print "\"$out_file\" using 1:(\$3-\$7/2) " .
305: "title \"(sigma low)\" with lines, ";
306: print "\"$out_file\" using 1:(\$3+\$7/2) " .
307: "title \"(sigma high)\" with lines\n";
308: print "set title\n";
309: print "set origin 0, 0.34\n";
310: print "set size 1, 0.32\n";
311: print "set ylabel\n";
312: print "plot \"$out_file\" using 1:7 title \"dist\", ";
313: print "\"$out_file\" using 1:7 smooth bezier " .
314: "title \"(Bezier)\" with lines\n";
315: print "set origin 0, 0.00\n";
316: print "set size 1, 0.35\n";
317: print "set xlabel \"Days relative to 1970\"\n";
318: print "plot \"$out_file\" using 1:8 title \"disp\", ";
319: print "\"$out_file\" using 1:8 smooth bezier " .
320: "title \"(Bezier)\" with lines\n";
321: print "set nomultiplot\n";
322: maybe_add_pause;
323:
324: select $oldfh;
325: close OUTPUT or die "close failed on $cmd_file: $!";
326: print `gnuplot $cmd_file`;
327: unlink $cmd_file;
328: unlink $out_file;
329: }
330:
331:
332: my $loop_summary ="$summary_dir/loop_summary";
333: my $peer_summary ="$summary_dir/peer_summary";
334: my $clock_summary="$summary_dir/clock_summary";
335:
336: do_loop $loop_summary;
337: map { do_peer $peer_summary, $_ } @peer_list;
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