Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 372 insertions, 0 deletions

diff --git a/tools/bloatview/bloatdiff.pl b/tools/bloatview/bloatdiff.pl
new file mode 100755
index 0000000000..8c93ad2b00
--- /dev/null
+++ b/tools/bloatview/bloatdiff.pl
@@ -0,0 +1,372 @@
+#!/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/.
+
+
+################################################################################
+
+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";