diff --git a/usr/local/www/diag_system_activity.php b/usr/local/www/diag_system_activity.php
new file mode 100644
index 0000000000..d63363e5e5
--- /dev/null
+++ b/usr/local/www/diag_system_activity.php
@@ -0,0 +1,99 @@
+<?php
+/* $Id$ */
+/*
+    diag_cpu_activity.php
+    Copyright (C) 2008 Scott Ullrich
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+*/
+
+require("guiconfig.inc");
+
+$pfSversion = str_replace("\n", "", file_get_contents("/etc/version"));
+
+$pgtitle = "Diagnostics: CPU Activity";
+
+if($_REQUEST['getactivity']) {
+	$text = `top`;
+	echo $text;
+	exit;
+}
+
+include("head.inc");
+
+?>
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+
+<script type="text/javascript">
+	function getcpuactivity() {
+		scroll(0,0);
+		var url = "/diag_cpu_activity.php";
+		var pars = 'getactivity=yes';
+		var myAjax = new Ajax.Request(
+			url,
+			{
+				method: 'post',
+				parameters: pars,
+				onComplete: activitycallback
+			});
+	}
+	function activitycallback(transport) {
+		$('cpuactivitydiv').innerHTML = '<font face="Courier"><font size="2"><b><pre>' + transport.responseText  + '</pre>';
+		setTimeout('getcpuactivity()', 2500);		
+	}
+	setTimeout('getcpuactivity()', 1000);	
+</script>
+<div id='maincontent'>
+<script src="/javascript/scriptaculous/prototype.js" type="text/javascript"></script>
+<?php
+	include("fbegin.inc"); 
+	if(strstr($pfSversion, "1.2")) 
+		echo "<p class=\"pgtitle\">{$pgtitle}</p>";
+	if($savemsg) {
+		echo "<div id='savemsg'>";
+		print_info_box($savemsg);
+		echo "</div>";	
+	}
+	if ($input_errors)
+		print_input_errors($input_errors);
+?>
+<table width="100%" border="0" cellpadding="0" cellspacing="0">  
+  <tr>
+    <td>
+	<table id="backuptable" class="tabcont" align="center" width="100%" border="0" cellpadding="6" cellspacing="0">
+		<tr>
+			<td>
+				<div name='cpuactivitydiv' id='cpuactivitydiv'>
+					Gathering CPU activity, please wait...
+				</div>
+			</td>
+		</tr>
+	</table>
+	</div>
+    </td>
+  </tr>
+</table>
+</form>
+<?php include("fend.inc"); ?>
+</body>
+</html>
diff --git a/usr/local/www/fbegin.inc b/usr/local/www/fbegin.inc
index aad75d26d0..5af5ae1f53 100755
--- a/usr/local/www/fbegin.inc
+++ b/usr/local/www/fbegin.inc
@@ -265,6 +265,7 @@ if ($_REQUEST['noticeaction'] == 'acknowledge') {
 							<?=output_menu_item("/reboot.php", "Reboot");?>
 							<?=output_menu_item("/diag_routes.php", "Routes");?>
 							<?=output_menu_item("/diag_dump_states.php", "States");?>
+							<?=output_menu_item("/diag_system_activity.php", "System Activity");?>
 							<?=output_menu_item("/diag_traceroute.php", "Traceroute");?>
 							<?=output_menu_item("/diag_packet_capture.php", "Packet Capture");?>
 							<?php echo return_ext_menu("Diagnostics"); ?>
