1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
|
#!/usr/bin/perl -w
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# bloattable [-debug] [-source] [-byte n|-obj n|-ref n] <file1> <file2> ... <filen> > <html-file>
#
# file1, file2, ... filen should be successive BloatView files generated from the same run.
# Summarize them in an HTML table. Output the HTML to the standard output.
#
# If -debug is set, create a slightly larger html file which is more suitable for debugging this script.
# If -source is set, create an html file that prints the html source as the output
# If -byte n, -obj n, or -ref n is given, make the page default to showing byte, object, or reference statistics,
# respectively, and sort by the nth column (n is zero-based, so the first column has n==0).
#
# See http://lxr.mozilla.org/mozilla/source/xpcom/doc/MemoryTools.html
use 5.004;
use strict;
use diagnostics;
use File::Basename;
use Getopt::Long;
# The generated HTML is almost entirely generated by a script. Only the <HTML>, <HEAD>, and <BODY> elements are explicit
# because a <SCRIPT> element cannot officially be a direct descendant of an <HTML> element.
# The script itself is almost all generated by an eval of a large string. This allows the script to reproduce itself
# when making a new page using document.write's. Re-sorting the page causes it to regenerate itself in this way.
# Return the file's modification date.
sub fileModDate($) {
my ($pathName) = @_;
my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size, $atime, $mtime, $ctime, $blksize, $blocks) =
stat $pathName or die "Can't stat '$pathName'";
return $mtime;
}
sub fileCoreName($) {
my ($pathName) = @_;
my $fileName = basename($pathName, "");
$fileName =~ s/\..*//;
return $fileName;
}
# Convert a raw string into a single-quoted JavaScript string.
sub singleQuoteString($) {
local ($_) = @_;
s/\\/\\\\/g;
s/'/\\'/g;
s/\n/\\n/g;
s/<\//<\\\//g;
return "'$_'";
}
# Convert a raw string into a double-quoted JavaScript string.
sub doubleQuoteString($) {
local ($_) = @_;
s/\\/\\\\/g;
s/"/\\"/g;
s/\n/\\n/g;
s/<\//<\\\//g;
return "\"$_\"";
}
# Quote special HTML characters in the string.
sub quoteHTML($) {
local ($_) = @_;
s/\&/&/g;
s/</</g;
s/>/>/g;
s/ / /g;
s/\n/<BR>\n/g;
return $_;
}
# Write the generated page to the standard output.
# The script source code is read from this file past the __END__ marker
# @$scriptData is the JavaScript source for the tables passed to JavaScript. Each entry is one line of JavaScript.
# @$persistentScriptData is the same as @scriptData, but persists when the page reloads itself.
# If $debug is true, generate the script directly instead of having it eval itself.
# If $source is true, generate a script that displays the page's source instead of the page itself.
sub generate(\@\@$$$$) {
my ($scriptData, $persistentScriptData, $debug, $source, $showMode, $sortColumn) = @_;
my @scriptSource = <DATA>;
chomp @scriptSource;
print <<'EOS';
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<SCRIPT type="text/javascript">
EOS
foreach (@$scriptData) {print "$_\n";}
print "\n";
print "var srcArray = [\n";
my @quotedScriptSource = map {
my $line = $_;
$line =~ s/^\s+//g;
# $line =~ s/^\/\/SOURCE\s+//g if $source;
$line =~ s/^\/\/.*//g;
$line =~ s/\s+$//g;
$line eq "" ? () : $line
} @$persistentScriptData, @scriptSource;
my $lastQuotedLine = pop @quotedScriptSource;
foreach (@quotedScriptSource) {print doubleQuoteString($_), ",\n";}
print doubleQuoteString($lastQuotedLine), "];\n\n";
if ($debug) {
push @quotedScriptSource, $lastQuotedLine;
foreach (@quotedScriptSource) {
s/<\//<\\\//g; # This fails if a regexp ends with a '<'. Oh well....
print "$_\n";
}
print "\n";
} else {
print "eval(srcArray.join(\"\\n\"));\n\n";
}
print "showMode = $showMode;\n";
print "sortColumn = $sortColumn;\n";
if ($source) {
print <<'EOS';
function writeQuotedHTML(s) {
document.write(quoteHTML(s.toString()).replace(/\n/g, '<BR>\n'));
}
var quotingDocument = {
write: function () {
for (var i = 0; i < arguments.length; i++)
writeQuotedHTML(arguments[i]);
},
writeln: function () {
for (var i = 0; i < arguments.length; i++)
writeQuotedHTML(arguments[i]);
document.writeln('<BR>');
}
};
EOS
} else {
print "showHead(document);\n";
}
print "</SCRIPT>\n";
print "</HEAD>\n\n";
print "<BODY>\n";
if ($source) {
print "<P><TT>";
print quoteHTML "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\" \"http://www.w3.org/TR/REC-html40/loose.dtd\">\n";
print quoteHTML "<HTML>\n";
print quoteHTML "<HEAD>\n";
print "<SCRIPT type=\"text/javascript\">showHead(quotingDocument);</SCRIPT>\n";
print quoteHTML "</HEAD>\n\n";
print quoteHTML "<BODY>\n";
print "<SCRIPT type=\"text/javascript\">showBody(quotingDocument);</SCRIPT>\n";
print quoteHTML "</BODY>\n";
print quoteHTML "</HTML>\n";
print "</TT></P>\n";
} else {
print "<SCRIPT type=\"text/javascript\">showBody(document);</SCRIPT>\n";
}
print "</BODY>\n";
print "</HTML>\n";
}
# Read the bloat file into hash table $h. The hash table is indexed by class names;
# each entry is a list with the following elements:
# bytesAlloc Total number of bytes allocated
# bytesNet Total number of bytes allocated but not deallocated
# objectsAlloc Total number of objects allocated
# objectsNet Total number of objects allocated but not deallocated
# refsAlloc Total number of references AddRef'd
# refsNet Total number of references AddRef'd but not Released
# Except for TOTAL, all hash table entries refer to mutually exclusive data.
# $sizes is a hash table indexed by class names. Each entry of that table contains the class's instance size.
sub readBloatFile($\%\%) {
my ($file, $h, $sizes) = @_;
local $_; # Needed for 'while (<FILE>)' below.
my $readSomething = 0;
open FILE, $file;
while (<FILE>) {
if (my ($name, $size, $bytesNet, $objectsAlloc, $objectsNet, $refsAlloc, $refsNet) =
/^\s*(?:\d+)\s+([\w:]+)\s+(\d+)\s+(-?\d+)\s+(\d+)\s+(-?\d+)\s*\([^()]*\)\s*(\d+)\s+(-?\d+)\s*\([^()]*\)\s*$/) {
my $bytesAlloc;
if ($name eq "TOTAL") {
$size = "undefined";
$bytesAlloc = "undefined";
} else {
$bytesAlloc = $objectsAlloc * $size;
if ($bytesNet != $objectsNet * $size) {
print STDERR "In '$file', class $name bytesNet != objectsNet * size: $bytesNet != $objectsNet * $size\n";
}
}
print STDERR "Duplicate entry $name in '$file'\n" if $$h{$name};
$$h{$name} = [$bytesAlloc, $bytesNet, $objectsAlloc, $objectsNet, $refsAlloc, $refsNet];
my $oldSize = $$sizes{$name};
print STDERR "Mismatch of sizes of class $name: $oldSize and $size\n" if defined($oldSize) && $size ne $oldSize;
$$sizes{$name} = $size;
$readSomething = 1;
} elsif (/^\s*(?:\d+)\s+([\w:]+)\s/) {
print STDERR "Unable to parse '$file' line: $_";
}
}
close FILE;
print STDERR "No data in '$file'\n" unless $readSomething;
return $h;
}
my %sizes; # <class-name> => <instance-size>
my %tables; # <file-name> => <bloat-table>; see readBloatFile for format of <bloat-table>
# Generate the JavaScript source code for the row named $c. $l can contain the initial entries of the row.
sub genTableRowSource($$) {
my ($l, $c) = @_;
my $lastE;
foreach (@ARGV) {
my $e = $tables{$_}{$c};
if (defined($lastE) && !defined($e)) {
$e = [0,0,0,0,0,0];
print STDERR "Class $c is defined in an earlier file but not in '$_'\n";
}
if (defined $e) {
if (defined $lastE) {
for (my $i = 0; $i <= $#$e; $i++) {
my $n = $$e[$i];
$l .= ($n eq "undefined" ? "undefined" : $n - $$lastE[$i]) . ",";
}
$l .= " ";
} else {
$l .= join(",", @$e) . ", ";
}
$lastE = $e;
} else {
$l .= "0,0,0,0,0,0, ";
}
}
$l .= join(",", @$lastE);
return "[$l]";
}
my $debug;
my $source;
my $showMode;
my $sortColumn;
my @modeOptions;
GetOptions("debug" => \$debug, "source" => \$source, "byte=i" => \$modeOptions[0], "obj=i" => \$modeOptions[1], "ref=i" => \$modeOptions[2]);
for (my $i = 0; $i != 3; $i++) {
my $modeOption = $modeOptions[$i];
if ($modeOption) {
die "Only one of -byte, -obj, or -ref may be given" if defined $showMode;
my $nFileColumns = scalar(@ARGV) + 1;
die "-byte, -obj, or -ref column number out of range" if $modeOption < 0 || $modeOption >= 2 + 2*$nFileColumns;
$showMode = $i;
if ($modeOption >= 2) {
$modeOption -= 2;
$sortColumn = 2 + $showMode*2;
if ($modeOption >= $nFileColumns) {
$sortColumn++;
$modeOption -= $nFileColumns;
}
$sortColumn += $modeOption*6;
} else {
$sortColumn = $modeOption;
}
}
}
unless (defined $showMode) {
$showMode = 0;
$sortColumn = 0;
}
# Read all of the bloat files.
foreach (@ARGV) {
unless ($tables{$_}) {
my $f = $_;
my %table;
readBloatFile $_, %table, %sizes;
$tables{$_} = \%table;
}
}
die "No input" unless %sizes;
my @scriptData; # JavaScript source for the tables passed to JavaScript. Each entry is one line of JavaScript.
my @persistentScriptData; # Same as @scriptData, but persists the page reloads itself.
# Print a list of bloat file names.
push @persistentScriptData, "var nFiles = " . scalar(@ARGV) . ";";
push @persistentScriptData, "var fileTags = [" . join(", ", map {singleQuoteString substr(fileCoreName($_), -10)} @ARGV) . "];";
push @persistentScriptData, "var fileNames = [" . join(", ", map {singleQuoteString $_} @ARGV) . "];";
push @persistentScriptData, "var fileDates = [" . join(", ", map {singleQuoteString localtime fileModDate $_} @ARGV) . "];";
# Print the bloat tables.
push @persistentScriptData, "var totals = " . genTableRowSource('"TOTAL", undefined, ', "TOTAL") . ";";
push @scriptData, "var classTables = [";
delete $sizes{"TOTAL"};
my @classes = sort(keys %sizes);
for (my $i = 0; $i <= $#classes; $i++) {
my $c = $classes[$i];
push @scriptData, genTableRowSource(doubleQuoteString($c).", ".$sizes{$c}.", ", $c) . ($i == $#classes ? "];" : ",");
}
generate(@scriptData, @persistentScriptData, $debug, $source, $showMode, $sortColumn);
1;
# The source of the eval'd JavaScript follows.
# Comments starting with // that are alone on a line are stripped by the Perl script.
__END__
// showMode: 0=bytes, 1=objects, 2=references
var showMode;
var modeName;
var modeNameUpper;
var sortColumn;
// Sort according to the sortColumn. Column 0 is sorted alphabetically in ascending order.
// All other columns are sorted numerically in descending order, with column 0 used for a secondary sort.
// Undefined is always listed last.
function sortCompare(x, y) {
if (sortColumn) {
var xc = x[sortColumn];
var yc = y[sortColumn];
if (xc < yc || xc === undefined && yc !== undefined) return 1;
if (yc < xc || yc === undefined && xc !== undefined) return -1;
}
var x0 = x[0];
var y0 = y[0];
if (x0 > y0 || x0 === undefined && y0 !== undefined) return 1;
if (y0 > x0 || y0 === undefined && x0 !== undefined) return -1;
return 0;
}
// Quote special HTML characters in the string.
function quoteHTML(s) {
s = s.replace(/&/g, '&');
// Can't use /</g because HTML interprets '</g' as ending the script!
s = s.replace(/\x3C/g, '<');
s = s.replace(/>/g, '>');
s = s.replace(/ /g, ' ');
return s;
}
function writeFileTable(d) {
d.writeln('<TABLE border=1 cellspacing=1 cellpadding=0>');
d.writeln('<TR>\n<TH>Name</TH>\n<TH>File</TH>\n<TH>Date</TH>\n</TR>');
for (var i = 0; i < nFiles; i++)
d.writeln('<TR>\n<TD>'+quoteHTML(fileTags[i])+'</TD>\n<TD><TT>'+quoteHTML(fileNames[i])+'</TT></TD>\n<TD>'+quoteHTML(fileDates[i])+'</TD>\n</TR>');
d.writeln('</TABLE>');
}
function writeReloadLink(d, column, s, rowspan) {
d.write(rowspan == 1 ? '<TH>' : '<TH rowspan='+rowspan+'>');
if (column != sortColumn)
d.write('<A href="javascript:reloadSelf('+column+','+showMode+')">');
d.write(s);
if (column != sortColumn)
d.write('</A>');
d.writeln('</TH>');
}
function writeClassTableRow(d, row, base, modeName) {
if (modeName) {
d.writeln('<TR>\n<TH>'+modeName+'</TH>');
} else {
d.writeln('<TR>\n<TD><A href="javascript:showRowDetail(\''+row[0]+'\')">'+quoteHTML(row[0])+'</A></TD>');
var v = row[1];
d.writeln('<TD class=num>'+(v === undefined ? '' : v)+'</TD>');
}
for (var i = 0; i != 2; i++) {
var c = base + i;
for (var j = 0; j <= nFiles; j++) {
v = row[c];
var style = 'num';
if (j != nFiles)
if (v > 0) {
style = 'pos';
v = '+'+v;
} else
style = 'neg';
d.writeln('<TD class='+style+'>'+(v === undefined ? '' : v)+'</TD>');
c += 6;
}
}
d.writeln('</TR>');
}
function writeClassTable(d) {
var base = 2 + showMode*2;
// Make a copy because a sort is destructive.
var table = classTables.concat();
table.sort(sortCompare);
d.writeln('<TABLE border=1 cellspacing=1 cellpadding=0>');
d.writeln('<TR>');
writeReloadLink(d, 0, 'Class Name', 2);
writeReloadLink(d, 1, 'Instance<BR>Size', 2);
d.writeln('<TH colspan='+(nFiles+1)+'>'+modeNameUpper+'s allocated</TH>');
d.writeln('<TH colspan='+(nFiles+1)+'>'+modeNameUpper+'s allocated but not freed</TH>\n</TR>');
d.writeln('<TR>');
for (var i = 0; i != 2; i++) {
var c = base + i;
for (var j = 0; j <= nFiles; j++) {
writeReloadLink(d, c, j == nFiles ? 'Total' : quoteHTML(fileTags[j]), 1);
c += 6;
}
}
d.writeln('</TR>');
writeClassTableRow(d, totals, base, 0);
for (var r = 0; r < table.length; r++)
writeClassTableRow(d, table[r], base, 0);
d.writeln('</TABLE>');
}
var modeNames = ["byte", "object", "reference"];
var modeNamesUpper = ["Byte", "Object", "Reference"];
var styleSheet = '<STYLE type="TEXT/CSS">\n'+
'BODY {background-color: #FFFFFF; color: #000000}\n'+
'.num {text-align: right}\n'+
'.pos {text-align: right; color: #CC0000}\n'+
'.neg {text-align: right; color: #009900}\n'+
'</STYLE>';
function showHead(d) {
modeName = modeNames[showMode];
modeNameUpper = modeNamesUpper[showMode];
d.writeln('<TITLE>'+modeNameUpper+' Bloats</TITLE>');
d.writeln(styleSheet);
}
function showBody(d) {
d.writeln('<H1>'+modeNameUpper+' Bloats</H1>');
writeFileTable(d);
d.write('<FORM>');
for (var i = 0; i != 3; i++)
if (i != showMode) {
var newSortColumn = sortColumn;
if (sortColumn >= 2)
newSortColumn = sortColumn + (i-showMode)*2;
d.write('<INPUT type="button" value="Show '+modeNamesUpper[i]+'s" onClick="reloadSelf('+newSortColumn+','+i+')">');
}
d.writeln('</FORM>');
d.writeln('<P>The numbers do not include <CODE>malloc</CODE>\'d data such as string contents.</P>');
d.writeln('<P>Click on a column heading to sort by that column. Click on a class name to see details for that class.</P>');
writeClassTable(d);
}
function showRowDetail(rowName) {
var row;
var i;
if (rowName == "TOTAL")
row = totals;
else {
for (i = 0; i < classTables.length; i++)
if (rowName == classTables[i][0]) {
row = classTables[i];
break;
}
}
if (row) {
var w = window.open("", "ClassTableRowDetails");
var d = w.document;
d.open();
d.writeln('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">');
d.writeln('<HTML>\n<HEAD>\n<TITLE>'+quoteHTML(rowName)+' bloat details</TITLE>');
d.writeln(styleSheet);
d.writeln('</HEAD>\n\n<BODY>');
d.writeln('<H2>'+quoteHTML(rowName)+'</H2>');
if (row[1] !== undefined)
d.writeln('<P>Each instance has '+row[1]+' bytes.</P>');
d.writeln('<TABLE border=1 cellspacing=1 cellpadding=0>');
d.writeln('<TR>\n<TH></TH>\n<TH colspan='+(nFiles+1)+'>Allocated</TH>');
d.writeln('<TH colspan='+(nFiles+1)+'>Allocated but not freed</TH>\n</TR>');
d.writeln('<TR>\n<TH></TH>');
for (i = 0; i != 2; i++)
for (var j = 0; j <= nFiles; j++)
d.writeln('<TH>'+(j == nFiles ? 'Total' : quoteHTML(fileTags[j]))+'</TH>');
d.writeln('</TR>');
for (i = 0; i != 3; i++)
writeClassTableRow(d, row, 2+i*2, modeNamesUpper[i]+'s');
d.writeln('</TABLE>\n</BODY>\n</HTML>');
d.close();
}
return undefined;
}
function stringSource(s) {
s = s.replace(/\\/g, '\\\\');
s = s.replace(/"/g, '\\"');
s = s.replace(/<\//g, '<\\/');
return '"'+s+'"';
}
function reloadSelf(n,m) {
// Need to cache these because globals go away on document.open().
var sa = srcArray;
var ss = stringSource;
var ct = classTables;
var i;
document.open();
// Uncomment this and comment the document.open() line above to see the reloaded page's source.
//var w = window.open("", "NewDoc");
//var d = w.document;
//var document = new Object;
//document.write = function () {
// for (var i = 0; i < arguments.length; i++) {
// var s = arguments[i].toString();
// s = s.replace(/&/g, '&');
// s = s.replace(/\x3C/g, '<');
// s = s.replace(/>/g, '>');
// s = s.replace(/ /g, ' ');
// d.write(s);
// }
//};
//document.writeln = function () {
// for (var i = 0; i < arguments.length; i++) {
// var s = arguments[i].toString();
// s = s.replace(/&/g, '&');
// s = s.replace(/\x3C/g, '<');
// s = s.replace(/>/g, '>');
// s = s.replace(/ /g, ' ');
// d.write(s);
// }
// d.writeln('<BR>');
//};
document.writeln('<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">');
document.writeln('<HTML>\n<HEAD>\n<SCRIPT type="text/javascript">');
// Manually copy non-persistent script data
if (!ct.length)
document.writeln('var classTables = [];');
else {
document.writeln('var classTables = [');
for (i = 0; i < ct.length; i++) {
var row = ct[i];
document.write('[' + ss(row[0]));
for (var j = 1; j < row.length; j++)
document.write(',' + row[j]);
document.writeln(']' + (i == ct.length-1 ? '];' : ','));
}
}
document.writeln('var srcArray = [');
for (i = 0; i < sa.length; i++) {
document.write(ss(sa[i]));
if (i != sa.length-1)
document.writeln(',');
}
document.writeln('];');
document.writeln('eval(srcArray.join("\\n"));');
document.writeln('showMode = '+m+';');
document.writeln('sortColumn = '+n+';');
document.writeln('showHead(document);');
document.writeln('</SCRIPT>\n</HEAD>\n\n<BODY>\n<SCRIPT type="text/javascript">showBody(document);</SCRIPT>\n</BODY>\n</HTML>');
document.close();
return undefined;
}
|
