1 <!DOCTYPE HTML> 2 3 <!-- 4 about:memory template page 5 --> 6 <html id="t"> 7 <head> 8 <title>About Memory</title> 9 <if expr="is_android"> 10 <meta name="viewport" content="width=device-width"> 11 </if> 12 <link rel="stylesheet" href="chrome://memory-redirect/about_memory.css"> 13 <link rel="stylesheet" href="about_memory_linux.css"> 14 <script src="chrome://resources/js/load_time_data.js"></script> 15 <script src="chrome://memory-redirect/memory.js"></script> 16 <script src="chrome://memory-redirect/strings.js"></script> 17 </head> 18 <body i18n-values=".style.fontFamily:fontfamily;.style.fontSize:fontsize"> 19 <div id='header'> 20 <h1> 21 About memory 22 </h1> 23 <p> 24 Measuring memory usage in a multi-process browser 25 </p> 26 </div> 27 28 <div id='content'> 29 <h2> 30 Summary 31 <div class='help'> 32 <div> 33 <p class='summary-desc' i18n-values=".innerHTML:summary_desc"></p> 34 </div> 35 </div> 36 </h2> 37 38 <table class='list' id='browserComparison'> 39 <colgroup> 40 <col class='name'> 41 <col class='number'> 42 <col class='number'> 43 </colgroup> 44 <tr class='firstRow doNotFilter'> 45 <th> 46 </th> 47 <th colspan='2'> 48 Memory 49 <div class='help'> 50 <div> 51 <p> 52 <strong>Memory</strong> 53 </p> 54 <p> 55 <strong>Private:</strong> 56 Resident memory size that is not shared with any other process. 57 This is the best indicator of browser memory resource usage. 58 </p> 59 <p> 60 <strong>Proportional:</strong> 61 Accounts for each page of memory as a fraction based on the number of 62 processes that have it mapped. Thus, for each page of memory mapped by two 63 processes, this sum will count half of the bytes towards each. 64 Therefore, this number is greater than the private count. 65 </p> 66 67 <p><i>(Note that the memory for this tab is not included in the browser totals)</i></p> 68 </div> 69 </div> 70 </th> 71 </tr> 72 <tr class='secondRow doNotFilter'> 73 <th class='name'> 74 Browser 75 </th> 76 <th class='name'> 77 Private 78 </th> 79 <th class='number'> 80 Proportional 81 </th> 82 </tr> 83 <tr jsselect="browsers"> 84 <td class='name'> 85 <div> 86 <strong jscontent="name"></strong> <span jscontent="version"></span> 87 </div> 88 </td> 89 <td class='number'> 90 <span class='th' jscontent="formatNumber(ws_priv)"></span><span class='k'>k</span> 91 </td> 92 <td class='number'> 93 <span class='th' jscontent="formatNumber(ws_shared)"></span><span class='k'>k</span> 94 </td> 95 </tr> 96 </table> 97 <div class=otherbrowsers jsdisplay="show_other_browsers && browsers.length == 1"> 98 Note: If other browsers (e.g. IE, Firefox, Safari) are running, 99 I'll show their memory details here. 100 </div> 101 102 <br><br><br > 103 104 <h2> 105 Processes 106 <div class='help'> 107 <div> 108 <p> 109 Details of memory usage for each of Chromium's processes. 110 </p> 111 </div> 112 </div> 113 </h2> 114 115 <table class='list' id='memoryDetails'> 116 <colgroup> 117 <col class='pid'> 118 <col class='name' > 119 <col class='number'> 120 <col class='number'> 121 </colgroup> 122 <tr class='firstRow doNotFilter'> 123 <th> 124 </th> 125 <th> 126 </th> 127 <th colspan='2'> 128 Memory 129 </th> 130 </tr> 131 <tr class='secondRow doNotFilter'> 132 <th class='pid'> 133 PID 134 </th> 135 <th class='name'> 136 Name 137 </th> 138 <th class='number'> 139 Private 140 </th> 141 <th class='number'> 142 Proportional 143 </th> 144 </tr> 145 146 <tr jsselect="browzr_data"> 147 <td class='pid'> 148 <span class='th' jscontent="pid"></span> 149 </td> 150 <td class='name'> 151 <div> 152 Browser 153 </div> 154 </td> 155 <td class='number'> 156 <span class='th' jseval="addToSum('tot_ws_priv', $this.ws_priv)" jscontent="formatNumber(ws_priv)"></span><span class='k'>k</span> 157 </td> 158 <td class='number'> 159 <span class='th' jscontent="formatNumber(ws_shared)"></span><span class='k'>k</span> 160 </td> 161 </tr> 162 <tr jsselect="child_data"> 163 <td class='pid'> 164 <span class='th' jscontent="pid"></span> 165 </td> 166 <td class='name'> 167 <div jscontent="child_name"></div> 168 <div jsselect="titles"> 169 <span jscontent="$this"></span><br> 170 </div> 171 </td> 172 <td class='number'> 173 <span class='th' jseval="addToSum('tot_ws_priv', $this.ws_priv)" jscontent="formatNumber(ws_priv)"></span><span class='k'>k</span> 174 </td> 175 <td class='number'> 176 <span class='th' jscontent="formatNumber(ws_shared)"></span><span class='k'>k</span> 177 </td> 178 </tr> 179 <tr class='total doNotFilter'> 180 <td class='pid'> 181 </td> 182 <td class='name'> 183 Σ 184 </td> 185 <td class='number'> 186 <span class='th' id="tot_ws_priv">0</span><span class='k'>k</span> 187 </td> 188 <td class='number'> 189 </td> 190 </tr> 191 192 <tr class='noResults'> 193 <td colspan='99'> 194 No results found. 195 </td> 196 </tr> 197 </table> 198 199 <div class="otherbrowsers">(The memory usage of our renderer processes is slightly less accurate when they are sandboxed.)</div> 200 201 </div> 202 <script src="chrome://resources/js/i18n_template2.js"></script> 203 <script src="chrome://resources/js/jstemplate_compiled.js"></script> 204 </body> 205 </html> 206