b=515354; Implement "about:memory"; r=mconnor

docshell/base/nsAboutRedirector.cpp

@@ -83,6 +83,8 @@ static RedirEntry kRedirMap[] = {
       nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT },
     { "neterror", "chrome://global/content/netError.xhtml",
       nsIAboutModule::URI_SAFE_FOR_UNTRUSTED_CONTENT |
+      nsIAboutModule::ALLOW_SCRIPT },
+    { "memory", "chrome://global/content/aboutMemory.xhtml",
       nsIAboutModule::ALLOW_SCRIPT }
 };
 static const int kRedirTotal = NS_ARRAY_LENGTH(kRedirMap);

docshell/build/nsDocShellModule.cpp

@@ -204,6 +204,11 @@ static const nsModuleComponentInfo gDocShellModuleInfo[] = {
       NS_ABOUT_MODULE_CONTRACTID_PREFIX "neterror",
       nsAboutRedirector::Create
     },
+    { "about:memory",
+      NS_ABOUT_REDIRECTOR_MODULE_CID,
+      NS_ABOUT_MODULE_CONTRACTID_PREFIX "memory",
+      nsAboutRedirector::Create
+    },
 
     // uriloader
   { "Netscape URI Loader Service", NS_URI_LOADER_CID, NS_URI_LOADER_CONTRACTID, nsURILoaderConstructor, },

toolkit/components/Makefile.in

@@ -62,6 +62,7 @@ DIRS += \
 	typeaheadfind \
 	parentalcontrols \
 	passwordmgr \
+	aboutmemory \
 	$(NULL)
 
 ifneq (,$(filter cocoa, $(MOZ_WIDGET_TOOLKIT)))

toolkit/components/aboutmemory/Makefile.in

@@ -0,0 +1,46 @@
+# ***** 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 the Mozilla Password Manager code.
+#
+# The Initial Developer of the Original Code is
+# Brian Ryner.
+# Portions created by the Initial Developer are Copyright (C) 2003
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#  Brian Ryner <bryner@brianryner.com>
+#  Justin Dolske <dolske@mozilla.com>
+#
+# 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 *****
+
+DEPTH		= ../../..
+topsrcdir	= @top_srcdir@
+srcdir		= @srcdir@
+VPATH		= @srcdir@
+
+include $(DEPTH)/config/autoconf.mk
+
+include $(topsrcdir)/config/rules.mk

toolkit/components/aboutmemory/content/aboutMemory.css

@@ -0,0 +1,79 @@
+/* ***** 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 about:memory.
+ *
+ * The Initial Developer of the Original Code is
+ *   Mozilla Corporation   
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Vladimir Vukicevic <vladimir@pobox.com>
+ *
+ * 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 ***** */
+
+html {
+  background: -moz-dialog;
+}
+
+body {
+  margin: 0;
+  padding: 0 1em;
+  color: -moz-FieldText;
+  font: message-box;
+}
+
+h1 {
+    font-weight: bold;
+    font-size: x-large;
+}
+
+label {
+    -moz-user-select: text;
+}
+
+h2 {
+    margin-top: 0;
+    font-weight: bold;
+    font-size: large;
+}
+
+.memBox {
+    max-width: 30em;
+    background: white;
+    margin-top: 25px;
+    padding: 5px;
+    border: 1px solid black;
+    -moz-border-radius: 10px 10px;
+}
+
+.memValue {
+    text-align: right;
+}
+
+.memOverview table {
+    font-size: 120%;
+}

toolkit/components/aboutmemory/content/aboutMemory.js

@@ -0,0 +1,170 @@
+/* -*- Mode: js2; js2-basic-offset: 4; indent-tabs-mode: nil; -*- */
+/* ***** 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 about:memory
+ *
+ * The Initial Developer of the Original Code is
+ *   Mozilla Corporation
+ * Portions created by the Initial Developer are Copyright (C) 2009
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Vladimir Vukicevic <vladimir@pobox.com>
+ *
+ * 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 ***** */
+
+var gMemReporters = { };
+
+function $(n) {
+    return document.getElementById(n);
+}
+
+function makeTableCell(s, c) {
+    var td = document.createElement("td");
+    var text = document.createTextNode(s);
+    td.appendChild(text);
+    if (c)
+        td.setAttribute("class", c);
+
+    return td;
+}
+
+function makeAbbrNode(str, title) {
+    var abbr = document.createElement("abbr");
+    var text = document.createTextNode(str);
+    abbr.appendChild(text);
+    abbr.setAttribute("title", title);
+
+    return abbr;
+}
+
+function makeTableRow() {
+    var row = document.createElement("tr");
+
+    for (var i = 0; i < arguments.length; ++i) {
+        var arg = arguments[i];
+        if (typeof(arg) == "string") {
+            row.appendChild(makeTableCell(arg));
+        } else if (arg.__proto__ == Array.prototype) {
+            row.appendChild(makeAbbrNode(arg[0], arg[1]));
+        } else {
+            row.appendChild(arg);
+        }
+    }
+
+    return row;
+}
+
+function setTextContent(node, s) {
+    while (node.lastChild)
+        node.removeChild(node.lastChild);
+
+    node.appendChild(document.createTextNode(s));
+}
+
+function formatNumber(n) {
+    var s = "";
+    var neg = false;
+    if (n < 0) {
+        neg = true;
+        n = -n;
+    }
+
+    do {
+        var k = n % 1000;
+        if (n > 999) {
+            if (k > 99)
+                s = k + s;
+            else if (k > 9)
+                s = "0" + k + s;
+            else
+                s = "00" + k + s;
+        } else {
+            s = k + s;
+        }
+
+        n = Math.floor(n / 1000);
+        if (n > 0)
+            s = "," + s;
+    } while (n > 0);
+
+    return s;
+}
+
+function updateMemoryStatus()
+{
+    // if we have the standard reporters for mapped/allocated, put
+    // those at the top
+    if ("malloc/mapped" in gMemReporters &&
+        "malloc/allocated" in gMemReporters)
+    {
+        // committed is the total amount of memory that we've touched, that is that we have
+        // some kind of backing store for
+        setTextContent($("memMappedValue"),
+                       formatNumber(gMemReporters["malloc/mapped"].memoryUsed));
+
+        // allocated is the amount of committed memory that we're actively using (i.e., that isn't free)
+        setTextContent($("memInUseValue"),
+                       formatNumber(gMemReporters["malloc/allocated"].memoryUsed));
+    } else {
+        $("memOverview").style.display = "none";
+    }
+
+    var mo = $("memOtherRows");
+    while (mo.lastChild)
+        mo.removeChild(mo.lastChild);
+
+    var otherCount = 0;
+    for each (var rep in gMemReporters) {
+        var row = makeTableRow([rep.path, rep.description],
+                               makeTableCell(formatNumber(rep.memoryUsed), "memValue"));
+
+        mo.appendChild(row);
+
+        otherCount++;
+    }
+
+    if (otherCount == 0) {
+        var row = makeTableRow("No other information available.");
+        mo.appendChild(row);
+    }
+}
+
+function doLoad()
+{
+    var mgr = Components
+        .classes["@mozilla.org/memory-reporter-manager;1"]
+        .getService(Components.interfaces.nsIMemoryReporterManager);
+
+    var e = mgr.enumerateReporters();
+    while (e.hasMoreElements()) {
+        var mr = e.getNext().QueryInterface(Components.interfaces.nsIMemoryReporter);
+        gMemReporters[mr.path] = mr;
+    }
+
+    updateMemoryStatus();
+}
+

toolkit/components/aboutmemory/content/aboutMemory.xhtml

@@ -0,0 +1,73 @@
+<?xml version="1.0"?>
+
+<!-- ***** 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 about:memory.
+   -
+   - The Initial Developer of the Original Code is
+   -   Mozilla Corp
+   - Portions created by the Initial Developer are Copyright (C) 2009
+   - the Initial Developer. All Rights Reserved.
+   -
+   - Contributor(s):
+   -   Vladimir Vukicevic <vladimir@pobox.com>
+   -
+   - 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 LGPL or the GPL. 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 ***** -->
+
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <head>
+    <title>about:memory</title>
+
+    <link rel="stylesheet" href="chrome://global/content/aboutMemory.css" type="text/css"/>
+
+    <script type="text/javascript" src="chrome://global/content/aboutMemory.js"/>
+  </head>
+
+  <body onload="doLoad()">
+    <h1>Memory Usage</h1>
+
+    <div id="memOverview" class="memOverview memBox">
+      <h2>Overview</h2>
+      <table border="0">
+	<tbody>
+	  <tr><td width="100%">Memory mapped:</td><td id="memMappedValue" class="memValue"></td></tr>
+	  <tr><td>Memory in use:</td><td id="memInUseValue" class="memValue"></td></tr>
+	</tbody>
+      </table>
+    </div>
+
+    <div id="memOther" class="memOther memBox">
+      <h2>Other Information</h2>
+      <table border="0">
+	<thead>
+	  <tr><th style="text-align: left" width="100%">Description</th><th>Value</th></tr>
+	</thead>
+	<tbody id="memOtherRows">
+	</tbody>
+      </table>
+    </div>
+  </body>
+</html>

toolkit/components/aboutmemory/jar.mn

@@ -0,0 +1,4 @@
+toolkit.jar:
++ content/global/aboutMemory.js                        (content/aboutMemory.js)
++ content/global/aboutMemory.xhtml                     (content/aboutMemory.xhtml)
++ content/global/aboutMemory.css                       (content/aboutMemory.css)

xpcom/base/nsIMemoryReporter.idl

@@ -82,6 +82,11 @@ interface nsIMemoryReporterManager : nsISupports
    * Unregister the given memory reporter.
    */
   void unregisterReporter (in nsIMemoryReporter reporter);
+
+  /*
+   * Initialize.
+   */
+  void init ();
 };
 
 %{C++

xpcom/base/nsMemoryReporterManager.cpp

@@ -1,3 +1,40 @@
+/* -*- Mode: C++; tab-width: 50; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** 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 mozilla.org code.
+ *
+ * The Initial Developer of the Original Code is
+ * mozilla.org
+ * Portions created by the Initial Developer are Copyright (C) 2008
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Vladimir Vukicevic <vladimir@pobox.com> (original author)
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of 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 ***** */
 
 #include "nsCOMPtr.h"
 #include "nsServiceManagerUtils.h"
@@ -5,8 +42,159 @@
 
 #include "nsArrayEnumerator.h"
 
+/**
+ ** memory reporter implementation for jemalloc and OSX malloc,
+ ** to obtain info on total memory in use (that we know about,
+ ** at least -- on OSX, there are sometimes other zones in use).
+ **/
+
+/* Because of the way that jemalloc is linked on linux, we can't
+ * get to jemalloc_stats().  So just do this on Windows until
+ * that's fixed.
+ */
+#if defined(MOZ_MEMORY) && defined(XP_WIN)
+#define HAVE_JEMALLOC_STATS 1
+#else
+#undef HAVE_JEMALLOC_STATS
+#endif
+
+#if defined(HAVE_JEMALLOC_STATS)
+#define HAVE_MALLOC_REPORTERS 1
+#include "jemalloc.h"
+
+PRInt64 getMallocMapped(void *) {
+    jemalloc_stats_t stats;
+    jemalloc_stats(&stats);
+    return (PRInt64) stats.mapped;
+}
+
+PRInt64 getMallocAllocated(void *) {
+    jemalloc_stats_t stats;
+    jemalloc_stats(&stats);
+    return (PRInt64) stats.allocated;
+}
+
+PRInt64 getMallocCommitted(void *) {
+    jemalloc_stats_t stats;
+    jemalloc_stats(&stats);
+    return (PRInt64) stats.committed;
+}
+
+PRInt64 getMallocDirty(void *) {
+    jemalloc_stats_t stats;
+    jemalloc_stats(&stats);
+    return (PRInt64) stats.dirty;
+}
+
+#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
+#define HAVE_MALLOC_REPORTERS 1
+#include <malloc/malloc.h>
+
+static PRInt64 getMallocAllocated(void *) {
+    struct mstats stats = mstats();
+    return (PRInt64) stats.bytes_used;
+}
+
+static PRInt64 getMallocMapped(void *) {
+    struct mstats stats = mstats();
+    return (PRInt64) stats.bytes_total;
+}
+
+static PRInt64 getMallocDefaultCommitted(void *) {
+    malloc_statistics_t stats;
+    malloc_zone_statistics(malloc_default_zone(), &stats);
+    return stats.size_in_use;
+}
+
+static PRInt64 getMallocDefaultAllocated(void *) {
+    malloc_statistics_t stats;
+    malloc_zone_statistics(malloc_default_zone(), &stats);
+    return stats.size_allocated;
+}
+
+#endif
+
+
+#ifdef HAVE_MALLOC_REPORTERS
+NS_MEMORY_REPORTER_IMPLEMENT(MallocAllocated,
+                             "malloc/allocated",
+                             "Malloc bytes allocated (in use by application)",
+                             getMallocAllocated,
+                             NULL)
+
+NS_MEMORY_REPORTER_IMPLEMENT(MallocMapped,
+                             "malloc/mapped",
+                             "Malloc bytes mapped (not necessarily committed)",
+                             getMallocMapped,
+                             NULL)
+
+#if defined(HAVE_JEMALLOC_STATS)
+NS_MEMORY_REPORTER_IMPLEMENT(MallocCommitted,
+                             "malloc/committed",
+                             "Malloc bytes commited (readable/writable)",
+                             getMallocCommitted,
+                             NULL)
+
+NS_MEMORY_REPORTER_IMPLEMENT(MallocDirty,
+                             "malloc/dirty",
+                             "Malloc bytes dirty (committed unused pages)",
+                             getMallocDirty,
+                             NULL)
+#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
+NS_MEMORY_REPORTER_IMPLEMENT(MallocDefaultCommitted,
+                             "malloc/zone0/committed",
+                             "Malloc bytes commited (r/w) in default zone",
+                             getMallocDefaultCommitted,
+                             NULL)
+
+NS_MEMORY_REPORTER_IMPLEMENT(MallocDefaultAllocated,
+                             "malloc/zone0/allocated",
+                             "Malloc bytes allocated (in use) in default zone",
+                             getMallocDefaultAllocated,
+                             NULL)
+#endif
+
+#endif
+
+/**
+ ** nsMemoryReporterManager implementation
+ **/
+
 NS_IMPL_ISUPPORTS1(nsMemoryReporterManager, nsIMemoryReporterManager)
 
+NS_IMETHODIMP
+nsMemoryReporterManager::Init()
+{
+    nsCOMPtr<nsIMemoryReporter> mr;
+
+    /*
+     * Register our core jemalloc/malloc reporters
+     */
+#ifdef HAVE_MALLOC_REPORTERS
+    mr = new NS_MEMORY_REPORTER_NAME(MallocAllocated);
+    RegisterReporter(mr);
+
+    mr = new NS_MEMORY_REPORTER_NAME(MallocMapped);
+    RegisterReporter(mr);
+
+#if defined(HAVE_JEMALLOC_STATS)
+    mr = new NS_MEMORY_REPORTER_NAME(MallocCommitted);
+    RegisterReporter(mr);
+
+    mr = new NS_MEMORY_REPORTER_NAME(MallocDirty);
+    RegisterReporter(mr);
+#elif defined(XP_MACOSX) && !defined(MOZ_MEMORY)
+    mr = new NS_MEMORY_REPORTER_NAME(MallocDefaultCommitted);
+    RegisterReporter(mr);
+
+    mr = new NS_MEMORY_REPORTER_NAME(MallocDefaultAllocated);
+    RegisterReporter(mr);
+#endif
+#endif
+
+    return NS_OK;
+}
+
 NS_IMETHODIMP
 nsMemoryReporterManager::EnumerateReporters(nsISimpleEnumerator **result)
 {

xpcom/build/nsXPCOMCID.h

@@ -97,6 +97,11 @@
  */
 #define NS_IOUTIL_CONTRACTID "@mozilla.org/io-util;1"
 
+/**
+ * Memory reporter service CID
+ */
+#define NS_MEMORY_REPORTER_MANAGER_CONTRACTID "@mozilla.org/memory-reporter-manager;1"
+
 /**
  * The following are the CIDs and Contract IDs of the nsISupports wrappers for 
  * primative types.  

xpcom/build/nsXPCOMCIDInternal.h

@@ -77,11 +77,6 @@
  */
 #define NS_XPCOMPROXY_CONTRACTID "@mozilla.org/xpcomproxy;1"
 
-/**
- * Memory reporter service CID
- */
-#define NS_MEMORY_REPORTER_MANAGER_CONTRACTID "@mozilla.org/memory-reporter-manager;1"
-
 /**
  * The contract id for the nsIXULAppInfo service.
  */

xpcom/build/nsXPComInit.cpp

@@ -232,7 +232,7 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsMacUtilsImpl)
 
 NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsSystemInfo, Init)
 
-NS_GENERIC_FACTORY_CONSTRUCTOR(nsMemoryReporterManager)
+NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsMemoryReporterManager, Init)
 
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsIOUtil)