Add a simple variant of make-tree to filter refcount logs for a single object. Not part of the build.

tools/rb/filter-log-for.pl

@@ -0,0 +1,79 @@
+#!/usr/bin/perl -w
+#
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla 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/MPL/
+#
+# 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 make-tree.pl
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Authors of make-tree.pl.
+#   L. David Baron <dbaron@dbaron.org>, Mozilla Corporation
+#     (made filter-log-for.pl from make-tree.pl)
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+# Filter a refcount log to show only the entries for a single object.
+# Useful when manually examining refcount logs containing multiple
+# objects.
+
+use 5.004;
+use strict;
+use Getopt::Long;
+
+GetOptions("object=s");
+
+$::opt_object ||
+     die qq{
+usage: filter-log-for.pl < logfile
+  --object <obj>         The address of the object to examine (required)
+};
+
+warn "object $::opt_object\n";
+
+LINE: while (<>) {
+    next LINE if (! /^</);
+    my $line = $_;
+    my @fields = split(/ /, $_);
+
+    my $class = shift(@fields);
+    my $obj   = shift(@fields);
+    next LINE unless ($obj eq $::opt_object);
+    my $sno   = shift(@fields);
+    my $op  = shift(@fields);
+    my $cnt = shift(@fields);
+
+    print $line;
+
+    # The lines in the stack trace
+    CALLSITE: while (<>) {
+        print;
+        last CALLSITE if (/^$/);
+    }
+}

tools/rb/filter-log.pl

@@ -0,0 +1,79 @@
+#!/usr/bin/perl -w
+#
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla 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/MPL/
+#
+# 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 make-tree.pl
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 1998
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Authors of make-tree.pl.
+#   L. David Baron <dbaron@dbaron.org>, Mozilla Corporation
+#     (made filter-log-for.pl from make-tree.pl)
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+# Filter a refcount log to show only the entries for a single object.
+# Useful when manually examining refcount logs containing multiple
+# objects.
+
+use 5.004;
+use strict;
+use Getopt::Long;
+
+GetOptions("object=s");
+
+$::opt_object ||
+     die qq{
+usage: filter-log-for.pl < logfile
+  --object <obj>         The address of the object to examine (required)
+};
+
+warn "object $::opt_object\n";
+
+LINE: while (<>) {
+    next LINE if (! /^</);
+    my $line = $_;
+    my @fields = split(/ /, $_);
+
+    my $class = shift(@fields);
+    my $obj   = shift(@fields);
+    next LINE unless ($obj eq $::opt_object);
+    my $sno   = shift(@fields);
+    my $op  = shift(@fields);
+    my $cnt = shift(@fields);
+
+    print $line;
+
+    # The lines in the stack trace
+    CALLSITE: while (<>) {
+        print;
+        last CALLSITE if (/^$/);
+    }
+}