diff --git a/mozilla/webtools/leak-o-matic/make-data.pl b/mozilla/webtools/leak-o-matic/make-data.pl
new file mode 100755
index 00000000000..5d270600e82
--- /dev/null
+++ b/mozilla/webtools/leak-o-matic/make-data.pl
@@ -0,0 +1,151 @@
+#!/usr/bin/perl -w
+#
+# The contents of this file are subject to the Netscape Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/NPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is Mozilla Communicator client code.
+#
+# The Initial Developer of the Original Code is Netscape Communications
+# Corporation.  Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): 
+#
+# $Id: make-data.pl,v 1.1 1999-11-15 23:56:58 waterson%netscape.com Exp $
+#
+
+use 5.004;
+use strict;
+use Getopt::Long;
+use POSIX "sys_wait_h";
+
+$::opt_dir = ".";
+$::opt_app = "mozilla-bin -f bloaturls.txt";
+
+GetOptions("dir=s", "app=s");
+
+sub ForkAndWait($$$) {
+    my ($dir, $app, $timeout) = @_;
+    my $pid = fork;
+
+    if (! $pid) {
+        open(STDOUT, ">/dev/null");
+        open(STDERR, ">/dev/null");
+        exec("cd $dir ; $app");
+        # bye!
+    }
+
+    if ($timeout > 0) {
+        while ($timeout--) {
+            sleep 1;
+            my $status = POSIX::waitpid($pid, WNOHANG());
+            return 0 if $pid == $status;
+            return -1 if $status < 0;
+        }
+
+        kill("TERM", $pid);
+        return -1;
+    }
+    else {
+        POSIX::waitpid($pid, 0);
+    }
+
+    my $status = $? / 256;
+    if ($status != 0) {
+        die "'$app' terminated abnormally, status == $status";
+    }
+
+    return 0;
+}
+
+# First, just run the browser with the bloat log turned on. From that,
+# we'll capture all of the leaky classes.
+
+my $MasterBloatLog = $ENV{"PWD"} . "/master-bloat.log";
+
+printf("generating top-level class list\n");
+$ENV{"XPCOM_MEM_BLOAT_LOG"} = $MasterBloatLog;
+
+ForkAndWait($::opt_dir, $::opt_app, 0);
+
+# Now parse the bloat log.
+my @leakyclasses;
+
+{
+    open(BLOATLOG, $MasterBloatLog);
+
+    LINE: while (<BLOATLOG>) {
+        s/^ +//;
+        next LINE unless /^[0-9]/;
+
+        my ($num, $class, $bytesPerInst, $bytesLeaked,
+            $totalObjects, $remainingObjects)
+            = split(/ +/);
+
+        next LINE unless ($num > 0 && $remainingObjects > 0);
+
+        $leakyclasses[++$#leakyclasses] = $class;
+    }
+}
+
+# Iterate through each class that leaked, and find out what objects leaked
+
+my $BloatLogFile = "/tmp/leak-report-bloat.log";
+$ENV{"XPCOM_MEM_BLOAT_LOG"} = $BloatLogFile;
+
+my $class;
+foreach $class (@leakyclasses) {
+    printf("+ $class\n");
+
+    delete $ENV{"XPCOM_MEM_REFCNT_LOG"};
+    delete $ENV{"XPCOM_MEM_LOG_OBJECTS"};
+    $ENV{"XPCOM_MEM_LOG_CLASSES"} = $class;
+
+    ForkAndWait($::opt_dir, $::opt_app, 0);
+
+    open(BLOATLOG, $BloatLogFile);
+
+    my @leakedobjects;
+    my $serialNumbersHaveStarted = 0;
+
+    LINE: while (<BLOATLOG>) {
+        $serialNumbersHaveStarted = 1
+            if /^Serial Numbers of Leaked Objects:/;
+
+        next LINE unless ($serialNumbersHaveStarted && /^[0-9]/);
+
+        chomp;
+        $leakedobjects[++$#leakedobjects] = $_;
+    }
+
+    my $object;
+    foreach $object (@leakedobjects) {
+        my $refcntlogfile = $ENV{"PWD"} . "/refcnt-" . $class . "-" . $object . ".log";
+
+        print "|- $refcntlogfile\n";
+
+        $ENV{"XPCOM_MEM_REFCNT_LOG"} = $refcntlogfile;
+        $ENV{"XPCOM_MEM_LOG_OBJECTS"} = $object;
+
+        if (ForkAndWait($::opt_dir, $::opt_app, 60) < 0) {
+            print "  * Timed out; discarding.\n";
+            unlink $refcntlogfile;
+        }
+    }
+}
+
+# Now zip up all of the datafiles into YYYYMMDD.zip
+{
+    my $zipfile = POSIX::strftime("%Y%m%d.zip", localtime(time));
+    system("zip -m $zipfile *.log");
+}
+
+