1#!/usr/bin/perl
2# Copyright (c) 2001-2005 The Regents of The University of Michigan
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28# Authors: Steve Reinhardt
29
30#
31# This script diffs two SimpleScalar statistics output files.
32#
33
34use Getopt::Std;
35
36#
37# -t thresh sets threshold for ignoring differences (in %)
38# -p sorts differences by % chg (default is alphabetic)
39# -f ignores fetch-loss statistics
40# -d ignores all distributions
41#
42
43getopts('dfn:pt:h');
44
45if ($#ARGV < 1)
46{
47 print "\nError: need two file arguments (<reference> <new>).\n";
48 print " Options: -d = Ignore distributions\n";
49 print " -f = Ignore fetch-loss stats\n";
50 print " -p = Sort errors by percentage\n";
51 print " -h = Diff header info separately from stats\n";
52 print " -n <num> = Print top <num> errors (default 20)\n";
53 print " -t <num> = Error threshold in percent (default 1)\n\n";
54 die -1;
55}
56
57open(REF, "<$ARGV[0]") or die "Error: can't open $ARGV[0].\n";
58open(NEW, "<$ARGV[1]") or die "Error: can't open $ARGV[1].\n";
59
60
61#
62# Things that really should be adjustable via the command line
63#
64
65# Ignorable error (in percent)
66$err_thresh = ($opt_t) ? $opt_t : 0;
67
68# Number of stats to print before omitting
69$omit_count = ($opt_n) ? $opt_n : 20;
70
71
72#
73# First copy everything up to the simulation statistics to a pair of
74# temporary files, stripping out date-related items, and do a plain
75# diff. Any differences in the arguments are not necessarily an issue;
76# any differences in the program output should be caught by the EIO
77# mechanism if an EIO file is used.
78#
79
80# copy_header takes input filehandle and output filename
81
82sub copy_header
83{
84 my ($inhandle, $outname) = @_;
85
86 open(OUTPUT, ">$outname") or die "Error: can't open $outname.\n";
87
88 while (<$inhandle>)
89 {
90 # strip out lines that can vary
91 next if /^(command line:|M5 compiled on |M5 simulation started |M5 executing on )/;
92 last if /Begin Simulation Statistics/;
93 print OUTPUT;
94 }
95 close OUTPUT;
96}
97
98if ($opt_h) {
99
100 # Diff header separately from stats
101
102 $refheader = "/tmp/smt-test.refheader.$$";
103 $newheader = "/tmp/smt-test.newheader.$$";
104
105 copy_header(\*REF, $refheader);
106 copy_header(\*NEW, $newheader);
107
108 print "\n===== Header and program output differences =====\n\n";
109
110 print `diff $refheader $newheader`;
111
112 print "\n===== Statistics differences =====\n\n";
113}
114
115#
116# Now parse statistics
117#
118
119#
120# This function takes an open filehandle and returns a reference to
121# a hash containing all the statistics variables and their values.
122#
123sub parse_file
124{
125 $stathandle = shift;
126
127 $in_dist = undef;
128 $hashref = { }; # initialize hash for values
129
130 while (<$stathandle>)
131 {
132 next if /^\s*$/; # skip blank lines
133 next if /^\*\*Ignore/; # temporary, to make totaling scripts easy for ISCA 03
134 last if /End Simulation Statistics/;
135
136 s/ *#.*//; # strip comments
137
138 if (/^Memory usage: (\d+) KBytes/) {
139 $stat = 'memory usage';
140 $value = $1;
141 }
142 elsif ($in_dist) {
143 if ($in_dist =~ /^fetch_loss_counters/) {
144 if (/^fetch_loss_counters_\d+\.end/) {
145 # end line of distribution: clear $in_dist flag
146 $in_dist = undef;
147 next;
148 }
149 else {
150 next if $opt_f;
151
152 ($stat, $value) = /^(\S+)\s+(.*)/;
153 }
154 }
155 else {
156 if (/(.*)\.end_dist/) {
157 # end line of distribution: clear $in_dist flag
158 $in_dist = undef;
159 next;
160 }
161 if ($opt_d) {
162 next; # bail out if we are ignoring dists...
163 }
164 elsif (/(.*)\.(min|max)_value/) {
165 # treat these like normal stats
166 ($stat, $value) = /^(\S+)\s+(.*)/;
167 }
168 else {
169 # this is ugly because labels in the distribution
170 # buckets don't start in column 0 and may include
171 # embedded spaces
172 ($stat, $value) =
173 /^\s*(\S+(?:.*\S)?)\s+(\d+)\s+\d+\.\d+%/;
174 $stat = $in_dist . '::' . $stat;
175 }
176 }
177 }
178 else {
179 if (/(.*)\.start_dist/) {
180 # start line of distribution: set $in_dist flag
181 # and save distribution name for future reference
182 $in_dist = $1;
183 $stat = $1;
184 $value = 0;
185 }
186 elsif (/^(fetch_loss_counters_\d+)\.start/) {
187 # treat fetch loss counters like distribution, sort of
188 $in_dist = $1;
189 $stat = $1;
190 $value = 0;
191 }
192 else {
193 ($stat, $value) = /^(\S+)\s+(.*)/;
194 }
195 }
196
197 $$hashref{$stat} = $value;
198 }
199
200 close($stathandle);
201 return $hashref;
202}
203
204
205#
206# pct_diff($old, $new) returns percent difference from $old to $new.
207#
208sub pct_diff
209{
210 my ($old, $new) = @_;
211 return ($old == 0) ? (($new == 0) ? 0 : 9999) : 100 * ($new - $old) / $old;
212}
213
214
215#
216# Statistics to ignore: these relate to simulator performance, not
217# correctness, so don't fail on changes here.
218#
219%ignore = (
220 'host_seconds' => 1,
221 'host_tick_rate' => 1,
222 'host_inst_rate' => 1,
223 'host_mem_usage' => 1
224);
225
226#
227# List of key statistics (always displayed)
228# ==> list stats here WITHOUT trailing thread ID
229#
230@key_stat_list = (
231 'COM:IPC',
232 'ISSUE:MSIPC',
233 'COM:count',
234 'host_inst_rate',
235 'sim_insts',
236 'sim_ticks',
237 'host_mem_usage'
238);
239
240$key_stat_pattern = join('|', @key_stat_list);
241
242# initialize first statistics from each file
243
244$max_err_mag = 0;
245
246$refhash = parse_file(\*REF);
247$newhash = parse_file(\*NEW);
248
249# The string sim-smt prints on a divide by zero
250$divbyzero = '<err: divide by zero>';
251
252foreach $stat (sort keys %$refhash)
253{
254 $refvalue = $$refhash{$stat};
255 $newvalue = $$newhash{$stat};
256
257 if (!defined($newvalue)) {
258 # stat missing from new file
259 push @missing_stats, $stat;
260 next;
261 }
262
263 if ($stat =~ /($key_stat_pattern)/o) {
264 # key statistics: always record & display changes in these
265 push @key_stats, [$stat, $refvalue, $newvalue];
266 }
267
268 if ($ignore{$stat} or $refvalue eq $newvalue) {
269 # stat is in "ignore" list, or hasn't changed
270 }
271 else {
272 if ($refvalue eq $divbyzero || $newvalue eq $divbyzero) {
273 # one or the other was a divide by zero:
274 # no point in trying to quantify error
275 print "$stat: $refvalue --> $newvalue\n";
276 }
277 else {
278 $reldiff = pct_diff($refvalue, $newvalue);
279 $diffmag = abs($reldiff);
280
281 if ($diffmag > $err_thresh) {
282 push @errs,
283 [$stat, $refvalue, $newvalue, $reldiff];
284 }
285
286 if ($diffmag > $max_err_mag) {
287 $max_err_mag = $diffmag;
288 }
289 }
290 }
291
292 # remove from new hash so we can detect added stats
293 delete $$newhash{$stat};
294}
295
296
297#
298# All done. Print comparison summary.
299#
300
301printf("Maximum error magnitude: %+f%%\n\n", $max_err_mag);
302
303printf(" %-30s %10s %10s %10s %7s\n", ' ', 'Reference', 'New Value', 'Abs Diff', 'Pct Chg');
304
305printf("Key statistics:\n\n");
306
307foreach $key_stat (@key_stats)
308{
309 ($statname, $refvalue, $newvalue, $reldiff) = @$key_stat;
310
311 # deduce format from reference value
312 $pointpos = rindex($refvalue, '.');
313 $digits = ($pointpos < 0) ? 0 :(length($refvalue) - $pointpos - 1);
314 $fmt = "%10.${digits}f";
315
316 # print differing values with absolute and relative error
317 printf(" %-30s $fmt $fmt $fmt %+7.2f%%\n",
318 $statname, $refvalue, $newvalue,
319 $newvalue - $refvalue, pct_diff($refvalue, $newvalue));
320}
321
322printf("\nLargest $omit_count relative errors (> %d%%):\n\n", $err_thresh);
323
324$num_errs = 0;
325
326if ($opt_p)
327{
328 # sort differences by percent change
329 @errs = sort { abs($$b[3]) <=> abs($$a[3]) } @errs;
330}
331
332foreach $err (@errs)
333{
334 ($statname, $refvalue, $newvalue, $reldiff) = @$err;
335
336 # deduce format from reference value
337 $pointpos1 = rindex($refvalue, '.');
338 $digits1 = ($pointpos1 < 0) ? 0 :(length($refvalue) - $pointpos1 - 1);
339 $pointpos2 = rindex($newvalue, '.');
340 $digits2 = ($pointpos2 < 0) ? 0 :(length($newvalue) - $pointpos2 - 1);
341 $digits = ($digits1 > $digits2) ? $digits1 : $digits2;
342 $fmt = "%10.${digits}f";
343
344 # print differing values with absolute and relative error
345 printf(" %-30s $fmt $fmt $fmt %+7.2f%%\n",
346 $statname, $refvalue, $newvalue, $newvalue - $refvalue, $reldiff);
347
348 # only print top N errors
349 if (++$num_errs >= $omit_count)
350 {
351 print "[... additional errors omitted ...]\n";
352 last;
353 }
354}
355
356#
357# Report missing stats, but first filter out distribution buckets:
358# these are mostly noise
359
360@missing_stats = grep { !/::(\d+|overflows)?$/ } @missing_stats;
361
362# get count
363$missing_stats = scalar(@missing_stats);
364
365if ($missing_stats)
366{
367 print "\nMissing $missing_stats reference statistics:\n\n";
368 foreach $stat (@missing_stats)
369 {
370# print "\t$stat\n";
371 printf " %-50s ", $stat;
372 print "$$refhash{$stat}\n";
373 }
374}
375
376#
377# Any stats left in newhash are added since the reference file
378#
379
380@added_stats = keys %$newhash;
381
382# first filter out distribution buckets: mostly noise
383
384@added_stats = grep { !/::(\d+|overflows)?$/ } @added_stats;
385
386# get count
387$added_stats = scalar(@added_stats);
388
389if ($added_stats)
390{
391 print "\nFound $added_stats new statistics:\n\n";
392 foreach $stat (sort @added_stats)
393 {
394# print "\t$stat\n";
395 printf " %-50s ", $stat;
396 print "$$newhash{$stat}\n";
397 }
398}
399
400cleanup();
| 1#!/usr/bin/perl
2# Copyright (c) 2001-2005 The Regents of The University of Michigan
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28# Authors: Steve Reinhardt
29
30#
31# This script diffs two SimpleScalar statistics output files.
32#
33
34use Getopt::Std;
35
36#
37# -t thresh sets threshold for ignoring differences (in %)
38# -p sorts differences by % chg (default is alphabetic)
39# -f ignores fetch-loss statistics
40# -d ignores all distributions
41#
42
43getopts('dfn:pt:h');
44
45if ($#ARGV < 1)
46{
47 print "\nError: need two file arguments (<reference> <new>).\n";
48 print " Options: -d = Ignore distributions\n";
49 print " -f = Ignore fetch-loss stats\n";
50 print " -p = Sort errors by percentage\n";
51 print " -h = Diff header info separately from stats\n";
52 print " -n <num> = Print top <num> errors (default 20)\n";
53 print " -t <num> = Error threshold in percent (default 1)\n\n";
54 die -1;
55}
56
57open(REF, "<$ARGV[0]") or die "Error: can't open $ARGV[0].\n";
58open(NEW, "<$ARGV[1]") or die "Error: can't open $ARGV[1].\n";
59
60
61#
62# Things that really should be adjustable via the command line
63#
64
65# Ignorable error (in percent)
66$err_thresh = ($opt_t) ? $opt_t : 0;
67
68# Number of stats to print before omitting
69$omit_count = ($opt_n) ? $opt_n : 20;
70
71
72#
73# First copy everything up to the simulation statistics to a pair of
74# temporary files, stripping out date-related items, and do a plain
75# diff. Any differences in the arguments are not necessarily an issue;
76# any differences in the program output should be caught by the EIO
77# mechanism if an EIO file is used.
78#
79
80# copy_header takes input filehandle and output filename
81
82sub copy_header
83{
84 my ($inhandle, $outname) = @_;
85
86 open(OUTPUT, ">$outname") or die "Error: can't open $outname.\n";
87
88 while (<$inhandle>)
89 {
90 # strip out lines that can vary
91 next if /^(command line:|M5 compiled on |M5 simulation started |M5 executing on )/;
92 last if /Begin Simulation Statistics/;
93 print OUTPUT;
94 }
95 close OUTPUT;
96}
97
98if ($opt_h) {
99
100 # Diff header separately from stats
101
102 $refheader = "/tmp/smt-test.refheader.$$";
103 $newheader = "/tmp/smt-test.newheader.$$";
104
105 copy_header(\*REF, $refheader);
106 copy_header(\*NEW, $newheader);
107
108 print "\n===== Header and program output differences =====\n\n";
109
110 print `diff $refheader $newheader`;
111
112 print "\n===== Statistics differences =====\n\n";
113}
114
115#
116# Now parse statistics
117#
118
119#
120# This function takes an open filehandle and returns a reference to
121# a hash containing all the statistics variables and their values.
122#
123sub parse_file
124{
125 $stathandle = shift;
126
127 $in_dist = undef;
128 $hashref = { }; # initialize hash for values
129
130 while (<$stathandle>)
131 {
132 next if /^\s*$/; # skip blank lines
133 next if /^\*\*Ignore/; # temporary, to make totaling scripts easy for ISCA 03
134 last if /End Simulation Statistics/;
135
136 s/ *#.*//; # strip comments
137
138 if (/^Memory usage: (\d+) KBytes/) {
139 $stat = 'memory usage';
140 $value = $1;
141 }
142 elsif ($in_dist) {
143 if ($in_dist =~ /^fetch_loss_counters/) {
144 if (/^fetch_loss_counters_\d+\.end/) {
145 # end line of distribution: clear $in_dist flag
146 $in_dist = undef;
147 next;
148 }
149 else {
150 next if $opt_f;
151
152 ($stat, $value) = /^(\S+)\s+(.*)/;
153 }
154 }
155 else {
156 if (/(.*)\.end_dist/) {
157 # end line of distribution: clear $in_dist flag
158 $in_dist = undef;
159 next;
160 }
161 if ($opt_d) {
162 next; # bail out if we are ignoring dists...
163 }
164 elsif (/(.*)\.(min|max)_value/) {
165 # treat these like normal stats
166 ($stat, $value) = /^(\S+)\s+(.*)/;
167 }
168 else {
169 # this is ugly because labels in the distribution
170 # buckets don't start in column 0 and may include
171 # embedded spaces
172 ($stat, $value) =
173 /^\s*(\S+(?:.*\S)?)\s+(\d+)\s+\d+\.\d+%/;
174 $stat = $in_dist . '::' . $stat;
175 }
176 }
177 }
178 else {
179 if (/(.*)\.start_dist/) {
180 # start line of distribution: set $in_dist flag
181 # and save distribution name for future reference
182 $in_dist = $1;
183 $stat = $1;
184 $value = 0;
185 }
186 elsif (/^(fetch_loss_counters_\d+)\.start/) {
187 # treat fetch loss counters like distribution, sort of
188 $in_dist = $1;
189 $stat = $1;
190 $value = 0;
191 }
192 else {
193 ($stat, $value) = /^(\S+)\s+(.*)/;
194 }
195 }
196
197 $$hashref{$stat} = $value;
198 }
199
200 close($stathandle);
201 return $hashref;
202}
203
204
205#
206# pct_diff($old, $new) returns percent difference from $old to $new.
207#
208sub pct_diff
209{
210 my ($old, $new) = @_;
211 return ($old == 0) ? (($new == 0) ? 0 : 9999) : 100 * ($new - $old) / $old;
212}
213
214
215#
216# Statistics to ignore: these relate to simulator performance, not
217# correctness, so don't fail on changes here.
218#
219%ignore = (
220 'host_seconds' => 1,
221 'host_tick_rate' => 1,
222 'host_inst_rate' => 1,
223 'host_mem_usage' => 1
224);
225
226#
227# List of key statistics (always displayed)
228# ==> list stats here WITHOUT trailing thread ID
229#
230@key_stat_list = (
231 'COM:IPC',
232 'ISSUE:MSIPC',
233 'COM:count',
234 'host_inst_rate',
235 'sim_insts',
236 'sim_ticks',
237 'host_mem_usage'
238);
239
240$key_stat_pattern = join('|', @key_stat_list);
241
242# initialize first statistics from each file
243
244$max_err_mag = 0;
245
246$refhash = parse_file(\*REF);
247$newhash = parse_file(\*NEW);
248
249# The string sim-smt prints on a divide by zero
250$divbyzero = '<err: divide by zero>';
251
252foreach $stat (sort keys %$refhash)
253{
254 $refvalue = $$refhash{$stat};
255 $newvalue = $$newhash{$stat};
256
257 if (!defined($newvalue)) {
258 # stat missing from new file
259 push @missing_stats, $stat;
260 next;
261 }
262
263 if ($stat =~ /($key_stat_pattern)/o) {
264 # key statistics: always record & display changes in these
265 push @key_stats, [$stat, $refvalue, $newvalue];
266 }
267
268 if ($ignore{$stat} or $refvalue eq $newvalue) {
269 # stat is in "ignore" list, or hasn't changed
270 }
271 else {
272 if ($refvalue eq $divbyzero || $newvalue eq $divbyzero) {
273 # one or the other was a divide by zero:
274 # no point in trying to quantify error
275 print "$stat: $refvalue --> $newvalue\n";
276 }
277 else {
278 $reldiff = pct_diff($refvalue, $newvalue);
279 $diffmag = abs($reldiff);
280
281 if ($diffmag > $err_thresh) {
282 push @errs,
283 [$stat, $refvalue, $newvalue, $reldiff];
284 }
285
286 if ($diffmag > $max_err_mag) {
287 $max_err_mag = $diffmag;
288 }
289 }
290 }
291
292 # remove from new hash so we can detect added stats
293 delete $$newhash{$stat};
294}
295
296
297#
298# All done. Print comparison summary.
299#
300
301printf("Maximum error magnitude: %+f%%\n\n", $max_err_mag);
302
303printf(" %-30s %10s %10s %10s %7s\n", ' ', 'Reference', 'New Value', 'Abs Diff', 'Pct Chg');
304
305printf("Key statistics:\n\n");
306
307foreach $key_stat (@key_stats)
308{
309 ($statname, $refvalue, $newvalue, $reldiff) = @$key_stat;
310
311 # deduce format from reference value
312 $pointpos = rindex($refvalue, '.');
313 $digits = ($pointpos < 0) ? 0 :(length($refvalue) - $pointpos - 1);
314 $fmt = "%10.${digits}f";
315
316 # print differing values with absolute and relative error
317 printf(" %-30s $fmt $fmt $fmt %+7.2f%%\n",
318 $statname, $refvalue, $newvalue,
319 $newvalue - $refvalue, pct_diff($refvalue, $newvalue));
320}
321
322printf("\nLargest $omit_count relative errors (> %d%%):\n\n", $err_thresh);
323
324$num_errs = 0;
325
326if ($opt_p)
327{
328 # sort differences by percent change
329 @errs = sort { abs($$b[3]) <=> abs($$a[3]) } @errs;
330}
331
332foreach $err (@errs)
333{
334 ($statname, $refvalue, $newvalue, $reldiff) = @$err;
335
336 # deduce format from reference value
337 $pointpos1 = rindex($refvalue, '.');
338 $digits1 = ($pointpos1 < 0) ? 0 :(length($refvalue) - $pointpos1 - 1);
339 $pointpos2 = rindex($newvalue, '.');
340 $digits2 = ($pointpos2 < 0) ? 0 :(length($newvalue) - $pointpos2 - 1);
341 $digits = ($digits1 > $digits2) ? $digits1 : $digits2;
342 $fmt = "%10.${digits}f";
343
344 # print differing values with absolute and relative error
345 printf(" %-30s $fmt $fmt $fmt %+7.2f%%\n",
346 $statname, $refvalue, $newvalue, $newvalue - $refvalue, $reldiff);
347
348 # only print top N errors
349 if (++$num_errs >= $omit_count)
350 {
351 print "[... additional errors omitted ...]\n";
352 last;
353 }
354}
355
356#
357# Report missing stats, but first filter out distribution buckets:
358# these are mostly noise
359
360@missing_stats = grep { !/::(\d+|overflows)?$/ } @missing_stats;
361
362# get count
363$missing_stats = scalar(@missing_stats);
364
365if ($missing_stats)
366{
367 print "\nMissing $missing_stats reference statistics:\n\n";
368 foreach $stat (@missing_stats)
369 {
370# print "\t$stat\n";
371 printf " %-50s ", $stat;
372 print "$$refhash{$stat}\n";
373 }
374}
375
376#
377# Any stats left in newhash are added since the reference file
378#
379
380@added_stats = keys %$newhash;
381
382# first filter out distribution buckets: mostly noise
383
384@added_stats = grep { !/::(\d+|overflows)?$/ } @added_stats;
385
386# get count
387$added_stats = scalar(@added_stats);
388
389if ($added_stats)
390{
391 print "\nFound $added_stats new statistics:\n\n";
392 foreach $stat (sort @added_stats)
393 {
394# print "\t$stat\n";
395 printf " %-50s ", $stat;
396 print "$$newhash{$stat}\n";
397 }
398}
399
400cleanup();
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