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added -t for trace, helps searching for leaks and similar

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This commit is contained in:
Daniel Stenberg 2002-02-28 12:35:54 +00:00
parent 907dabed5d
commit aa5ff53bcf
1 changed files with 22 additions and 6 deletions
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28
memanalyze.pl
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@ -10,6 +10,9 @@ do {
if($ARGV[0] eq "-v") {
$verbose=1;
}
elsif($ARGV[0] eq "-t") {
$trace=1;
}
} while (shift @ARGV);
my $maxmem;
@ -43,11 +46,11 @@ while(<STDIN>) {
print "FREE ERROR: Previously freed at: ".$getmem{$addr}."\n";
}
else {
if(0 && $verbose) {
print "malloc at ".$getmem{$addr}." is freed again at $source:$linenum\n";
}
$totalmem -= $sizeataddr{$addr};
if($trace) {
print "FREE: malloc at ".$getmem{$addr}." is freed again at $source:$linenum\n";
printf("FREE: %d bytes freed, left allocated: $totalmem bytes\n", $sizeataddr{$addr});
}
newtotal($totalmem);
$frees++;
@ -69,8 +72,9 @@ while(<STDIN>) {
$sizeataddr{$addr}=$size;
$totalmem += $size;
if(0 && $verbose) {
print "malloc($size) at $source:$linenum\n";
if($trace) {
print "MALLOC: malloc($size) at $source:$linenum",
" makes totally $totalmem bytes\n";
}
newtotal($totalmem);
@ -84,11 +88,18 @@ while(<STDIN>) {
$newaddr = $3;
$totalmem -= $sizeataddr{$oldaddr};
if($trace) {
printf("REALLOC: %d less bytes and ", $sizeataddr{$oldaddr});
}
$sizeataddr{$oldaddr}=0;
$totalmem += $newsize;
$sizeataddr{$newaddr}=$newsize;
if($trace) {
printf("%d more bytes ($source:$linenum)\n", $newsize);
}
newtotal($totalmem);
$reallocs++;
@ -106,6 +117,11 @@ while(<STDIN>) {
$totalmem += $size;
if($trace) {
printf("STRDUP: $size bytes at %s, makes totally: %d bytes\n",
$getmem{$addr}, $totalmem);
}
newtotal($totalmem);
$strdups++;
}