mozilla
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gecko-dev
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gecko-dev/tools/rb/bloatdiff.pl

369 строки
11 KiB
Raku
Executable File
Исходник Ответственный История

#!/usr/bin/perl -w
################################################################################
sub usage() {
print <<EOUSAGE;
# bloatdiff.pl - munges the output from
# XPCOM_MEM_BLOAT_LOG=1
# firefox-bin -P default resource:///res/bloatcycle.html
# so that it does some summary and stats stuff.
#
# To show leak test results for a set of changes, do something like this:
#
# XPCOM_MEM_BLOAT_LOG=1
# firefox-bin -P default resource:///res/bloatcycle.html > a.out
# **make change**
# firefox-bin -P default resource:///res/bloatcycle.html > b.out
# bloatdiff.pl a.out b.out
EOUSAGE
}
$OLDFILE = $ARGV[0];
$NEWFILE = $ARGV[1];
#$LABEL = $ARGV[2];
if (!$OLDFILE or
! -e $OLDFILE or
-z $OLDFILE) {
print "\nError: Previous log file not specified, does not exist, or is empty.\n\n";
&usage();
exit 1;
}
if (!$NEWFILE or
! -e $NEWFILE or
-z $NEWFILE) {
print "\nError: Current log file not specified, does not exist, or is empty.\n\n";
&usage();
exit 1;
}
sub processFile {
my ($filename, $map, $prevMap) = @_;
open(FH, $filename);
while (<FH>) {
if (m{
^\s*(\d+)\s # Line number
([\w:]+)\s+ # Name
(-?\d+)\s+ # Size
(-?\d+)\s+ # Leaked
(-?\d+)\s+ # Objects Total
(-?\d+)\s+ # Objects Rem
\(\s*(-?[\d.]+)\s+ # Objects Mean
\+/-\s+
([\w.]+)\)\s+ # Objects StdDev
(-?\d+)\s+ # Reference Total
(-?\d+)\s+ # Reference Rem
\(\s*(-?[\d.]+)\s+ # Reference Mean
\+/-\s+
([\w\.]+)\) # Reference StdDev
}x) {
$$map{$2} = { name => $2,
size => $3,
leaked => $4,
objTotal => $5,
objRem => $6,
objMean => $7,
objStdDev => $8,
refTotal => $9,
refRem => $10,
refMean => $11,
refStdDev => $12,
bloat => $3 * $5 # size * objTotal
};
} else {
# print "failed to parse: $_\n";
}
}
close(FH);
}
%oldMap = ();
processFile($OLDFILE, \%oldMap);
%newMap = ();
processFile($NEWFILE, \%newMap);
################################################################################
$inf = 9999999.99;
sub getLeaksDelta {
my ($key) = @_;
my $oldLeaks = $oldMap{$key}{leaked} || 0;
my $newLeaks = $newMap{$key}{leaked};
my $percentLeaks = 0;
if ($oldLeaks == 0) {
if ($newLeaks != 0) {
# there weren't any leaks before, but now there are!
$percentLeaks = $inf;
}
}
else {
$percentLeaks = ($newLeaks - $oldLeaks) / $oldLeaks * 100;
}
# else we had no record of this class before
return ($newLeaks - $oldLeaks, $percentLeaks);
}
################################################################################
sub getBloatDelta {
my ($key) = @_;
my $newBloat = $newMap{$key}{bloat};
my $percentBloat = 0;
my $oldSize = $oldMap{$key}{size} || 0;
my $oldTotal = $oldMap{$key}{objTotal} || 0;
my $oldBloat = $oldTotal * $oldSize;
if ($oldBloat == 0) {
if ($newBloat != 0) {
# this class wasn't used before, but now it is
$percentBloat = $inf;
}
}
else {
$percentBloat = ($newBloat - $oldBloat) / $oldBloat * 100;
}
# else we had no record of this class before
return ($newBloat - $oldBloat, $percentBloat);
}
################################################################################
foreach $key (keys %newMap) {
my ($newLeaks, $percentLeaks) = getLeaksDelta($key);
my ($newBloat, $percentBloat) = getBloatDelta($key);
$newMap{$key}{leakDelta} = $newLeaks;
$newMap{$key}{leakPercent} = $percentLeaks;
$newMap{$key}{bloatDelta} = $newBloat;
$newMap{$key}{bloatPercent} = $percentBloat;
}
################################################################################
# Print a value of bytes out in a reasonable
# KB, MB, or GB form. Copied from build-seamonkey-util.pl, sorry. -mcafee
sub PrintSize($) {
# print a number with 3 significant figures
sub PrintNum($) {
my ($num) = @_;
my $rv;
if ($num < 1) {
$rv = sprintf "%.3f", ($num);
} elsif ($num < 10) {
$rv = sprintf "%.2f", ($num);
} elsif ($num < 100) {
$rv = sprintf "%.1f", ($num);
} else {
$rv = sprintf "%d", ($num);
}
}
my ($size) = @_;
my $rv;
if ($size > 1000000000) {
$rv = PrintNum($size / 1000000000.0) . "G";
} elsif ($size > 1000000) {
$rv = PrintNum($size / 1000000.0) . "M";
} elsif ($size > 1000) {
$rv = PrintNum($size / 1000.0) . "K";
} else {
$rv = PrintNum($size);
}
}
print "Bloat/Leak Delta Report\n";
print "--------------------------------------------------------------------------------------\n";
print "Current file: $NEWFILE\n";
print "Previous file: $OLDFILE\n";
print "----------------------------------------------leaks------leaks%------bloat------bloat%\n";
if (! $newMap{"TOTAL"} or
! $newMap{"TOTAL"}{bloat}) {
# It's OK if leaked or leakPercent are 0 (in fact, that would be good).
# If bloatPercent is zero, it is also OK, because we may have just had
# two runs exactly the same or with no new bloat.
print "\nError: unable to calculate bloat/leak data.\n";
print "There is no data present.\n\n";
print "HINT - Did your test run complete successfully?\n";
print "HINT - Are you pointing at the right log files?\n\n";
&usage();
exit 1;
}
printf "%-40s %10s %10.2f%% %10s %10.2f%%\n",
("TOTAL",
$newMap{"TOTAL"}{leaked}, $newMap{"TOTAL"}{leakPercent},
$newMap{"TOTAL"}{bloat}, $newMap{"TOTAL"}{bloatPercent});
################################################################################
sub percentStr {
my ($p) = @_;
if ($p == $inf) {
return "-";
}
else {
return sprintf "%10.2f%%", $p;
}
}
# NEW LEAKS
@keys = sort { $newMap{$b}{leakPercent} <=> $newMap{$a}{leakPercent} } keys %newMap;
my $needsHeading = 1;
my $total = 0;
foreach $key (@keys) {
my $percentLeaks = $newMap{$key}{leakPercent};
my $leaks = $newMap{$key}{leaked};
if ($percentLeaks > 0 && $key !~ /TOTAL/) {
if ($needsHeading) {
printf "--NEW-LEAKS-----------------------------------leaks------leaks%%-----------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $leaks, percentStr($percentLeaks));
$total += $leaks;
}
}
if (!$needsHeading) {
printf "%-40s %10s\n", ("TOTAL", $total);
}
# FIXED LEAKS
@keys = sort { $newMap{$b}{leakPercent} <=> $newMap{$a}{leakPercent} } keys %newMap;
$needsHeading = 1;
$total = 0;
foreach $key (@keys) {
my $percentLeaks = $newMap{$key}{leakPercent};
my $leaks = $newMap{$key}{leaked};
if ($percentLeaks < 0 && $key !~ /TOTAL/) {
if ($needsHeading) {
printf "--FIXED-LEAKS---------------------------------leaks------leaks%%-----------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $leaks, percentStr($percentLeaks));
$total += $leaks;
}
}
if (!$needsHeading) {
printf "%-40s %10s\n", ("TOTAL", $total);
}
# NEW BLOAT
@keys = sort { $newMap{$b}{bloatPercent} <=> $newMap{$a}{bloatPercent} } keys %newMap;
$needsHeading = 1;
$total = 0;
foreach $key (@keys) {
my $percentBloat = $newMap{$key}{bloatPercent};
my $bloat = $newMap{$key}{bloat};
if ($percentBloat > 0 && $key !~ /TOTAL/) {
if ($needsHeading) {
printf "--NEW-BLOAT-----------------------------------bloat------bloat%%-----------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $bloat, percentStr($percentBloat));
$total += $bloat;
}
}
if (!$needsHeading) {
printf "%-40s %10s\n", ("TOTAL", $total);
}
# ALL LEAKS
@keys = sort { $newMap{$b}{leaked} <=> $newMap{$a}{leaked} } keys %newMap;
$needsHeading = 1;
$total = 0;
foreach $key (@keys) {
my $leaks = $newMap{$key}{leaked};
my $percentLeaks = $newMap{$key}{leakPercent};
if ($leaks > 0) {
if ($needsHeading) {
printf "--ALL-LEAKS-----------------------------------leaks------leaks%%-----------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $leaks, percentStr($percentLeaks));
if ($key !~ /TOTAL/) {
$total += $leaks;
}
}
}
if (!$needsHeading) {
# printf "%-40s %10s\n", ("TOTAL", $total);
}
# ALL BLOAT
@keys = sort { $newMap{$b}{bloat} <=> $newMap{$a}{bloat} } keys %newMap;
$needsHeading = 1;
$total = 0;
foreach $key (@keys) {
my $bloat = $newMap{$key}{bloat};
my $percentBloat = $newMap{$key}{bloatPercent};
if ($bloat > 0) {
if ($needsHeading) {
printf "--ALL-BLOAT-----------------------------------bloat------bloat%%-----------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $bloat, percentStr($percentBloat));
if ($key !~ /TOTAL/) {
$total += $bloat;
}
}
}
if (!$needsHeading) {
# printf "%-40s %10s\n", ("TOTAL", $total);
}
# NEW CLASSES
@keys = sort { $newMap{$b}{bloatDelta} <=> $newMap{$a}{bloatDelta} } keys %newMap;
$needsHeading = 1;
my $ltotal = 0;
my $btotal = 0;
foreach $key (@keys) {
my $leaks = $newMap{$key}{leaked};
my $bloat = $newMap{$key}{bloat};
my $percentBloat = $newMap{$key}{bloatPercent};
if ($percentBloat == $inf && $key !~ /TOTAL/) {
if ($needsHeading) {
printf "--CLASSES-NOT-REPORTED-LAST-TIME--------------leaks------bloat------------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $leaks, $bloat);
if ($key !~ /TOTAL/) {
$ltotal += $leaks;
$btotal += $bloat;
}
}
}
if (!$needsHeading) {
printf "%-40s %10s %10s\n", ("TOTAL", $ltotal, $btotal);
}
# OLD CLASSES
@keys = sort { ($oldMap{$b}{bloat} || 0) <=> ($oldMap{$a}{bloat} || 0) } keys %oldMap;
$needsHeading = 1;
$ltotal = 0;
$btotal = 0;
foreach $key (@keys) {
if (!defined($newMap{$key})) {
my $leaks = $oldMap{$key}{leaked};
my $bloat = $oldMap{$key}{bloat};
if ($needsHeading) {
printf "--CLASSES-THAT-WENT-AWAY----------------------leaks------bloat------------------------\n";
$needsHeading = 0;
}
printf "%-40s %10s %10s\n", ($key, $leaks, $bloat);
if ($key !~ /TOTAL/) {
$ltotal += $leaks;
$btotal += $bloat;
}
}
}
if (!$needsHeading) {
printf "%-40s %10s %10s\n", ("TOTAL", $ltotal, $btotal);
}
print "--------------------------------------------------------------------------------------\n";
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