diff --git a/mozilla/tools/performance/startup/analyze-timeline-log.pl b/mozilla/tools/performance/startup/analyze-timeline-log.pl
new file mode 100644
index 00000000000..c0682901353
--- /dev/null
+++ b/mozilla/tools/performance/startup/analyze-timeline-log.pl
@@ -0,0 +1,141 @@
+#
+# perl file to get a list of files that we load from a timeline log
+#
+# Usage: perl getlines.pl < timline.log > file.log
+
+# Files of a particular extensions
+my %ext = ();
+# Number of files in a paticular extension. Used to sort them output by order of extension
+my %extnum = ();
+# List of all urls that either exist or are jar. Non dups.
+my @allurls = ();
+# List of nonexistent file urls
+my @nonexistentfiles = ();
+# Number of file urls
+my $nfileurl = 0;
+# Number of jar urls
+my $njarurl = 0;
+# Urls hash to figure out dups
+my %seen = ();
+# Number of dups per extension
+my %extnumdups = ();
+while (<>)
+{
+    chomp;
+    if (/file:/) {
+        $url = getfileurl($_);
+        $e = getext($url);
+        if (!-f $url) {
+            push @nonexistentfiles, $url;
+        } else {
+            if (exists($seen{$url})) {
+                $seen{$url}++;
+                $extnumdups{$e}++;
+                next;
+            }
+            $seen{$url}++;
+            push @allurls, $url;
+            if (exists $ext{$e}) {
+                $ext{$e} .= "---";
+            }
+            $ext{$e} .= $url;
+            $extnum{$e}++;
+            $nfileurl++;
+        }
+        next;
+    }
+    if (/jar:/) {
+        $url = getjarurl($_);
+        $e = getext($url);
+        if (exists($seen{$url})) {
+            $seen{$url}++;
+            $extnumdups{$e}++;
+            next;
+        }
+        $seen{$url}++;
+        push @allurls, $url;
+        if (exists $ext{$e}) {
+            $ext{$e} .= "---";
+        }
+        $ext{$e} .= "$url";
+        $extnum{$e}++;
+        $njarurl++;
+        next;
+    }
+}
+
+# print results
+print "SUMMARY\n";
+print "----------------------------------------------------------------------\n";
+print "Total unique: ", $#allurls+1, " [jar $njarurl, file $nfileurl]\n";
+# print the # of files by extensions sorted
+my @extsorted = sort { $extnum{$b} <=> $extnum{$a} } keys %extnum;
+my $sep = "              ";
+foreach $i (@extsorted)
+{
+    print "$sep.$i $extnum{$i}";
+    $sep = ", ";
+}
+print "\n";
+# print number of dups per extension
+my $sep = "        dups: ";
+foreach $i (@extsorted)
+{
+    next unless exists($extnumdups{$i});
+    print "$sep.$i $extnumdups{$i}";
+    $sep = ", ";
+}
+print "\n";
+print "Total non existent files : ", $#nonexistentfiles+1, "\n";
+
+print "\n";
+print "List of existing unique files and jar urls by extension:\n";
+print "----------------------------------------------------------------------\n";
+foreach $e (@extsorted)
+{
+    my $n = 1;
+    print "[$extnum{$e}] .$e\n";
+    foreach $i (split("---", $ext{$e})) {
+        printf "%2d. %s", $n++,  $i;
+        if ($seen{$i} > 1) {
+            printf " [%d]", $seen{$i};
+        }
+        printf "\n";
+    }
+    print "\n";
+}
+#foreach $i (@allurls)
+#{
+#    printf "%2d. %s\n", $n++,  $i;
+#}
+
+print "\n";
+print "List of non existent file urls:\n";
+print "----------------------------------------------------------------------\n";
+my $n = 1;
+foreach $i (@nonexistentfiles)
+{
+    printf "%2d. %s\n", $n++,  $i;
+}
+
+# Subrouties
+sub getfileurl() {
+    my $f = shift;
+    $f =~ s/^.*file:\/*(.*)\).*$/\1/;
+    # unescape the url
+    $f =~ s/\|/:/;
+    $f =~ s/\%20/ /g;
+    return $f;
+}
+
+sub getjarurl() {
+    my $f = shift;
+    $f =~ s/^.*(jar:.*)\).*$/\1/;
+    return $f;
+}
+
+sub getext() {
+    my $f = shift;
+    $f =~ s/^.*\.([^\.]*)$/\1/;
+    return $f;
+}