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| 1 <!doctype html> | |
| 2 | |
| 3 <!-- | |
| 4 about:memory template page | |
| 5 --> | |
| 6 <html id="t"> | |
| 7 <head> | |
| 8 <meta charset="utf-8"> | |
| 9 <title>About Memory</title> | |
| 10 <link rel="stylesheet" href="chrome://resources/css/text_defaults.css"> | |
| 11 <link rel="stylesheet" href="chrome://memory-redirect/about_memory.css"> | |
| 12 <style> | |
| 13 | |
| 14 table.list#browserComparison tr:not([class*='firstRow']) > *:nth-child(1), | |
| 15 table.list#browserComparison tr:not([class*='firstRow']) > *:nth-child(4), | |
| 16 table.list#browserComparison tr.firstRow th:nth-child(1), | |
| 17 table.list#browserComparison tr.firstRow th:nth-child(2) { | |
| 18 border-right: 1px solid #b5c6de; | |
| 19 } | |
| 20 table.list#memoryDetails tr:not([class*='firstRow']) > *:nth-child(2), | |
| 21 table.list#memoryDetails tr:not([class*='firstRow']) > *:nth-child(5), | |
| 22 table.list#memoryDetails tr.firstRow th:nth-child(2), | |
| 23 table.list#memoryDetails tr.firstRow th:nth-child(3) { | |
| 24 border-right: 1px solid #b5c6de; | |
| 25 } | |
| 26 </style> | |
| 27 <script src="chrome://resources/js/load_time_data.js"></script> | |
| 28 <script src="chrome://memory-redirect/memory.js"></script> | |
| 29 <script src="chrome://memory-redirect/strings.js"></script> | |
| 30 </head> | |
| 31 <body> | |
| 32 <div id="header"> | |
| 33 <h1>About memory</h1> | |
| 34 <p> | |
| 35 Measuring memory usage in a multi-process browser | |
| 36 </p> | |
| 37 </div> | |
| 38 | |
| 39 <div id="content"> | |
| 40 <h2> | |
| 41 Summary | |
| 42 <div class="help"> | |
| 43 <div> | |
| 44 <p> | |
| 45 Summary of memory used by currently active browsers. For browsers | |
| 46 which use multiple processes, memory reflects aggregate memory | |
| 47 used across all browser processes. | |
| 48 </p> | |
| 49 <p> | |
| 50 For <span jscontent="current_browser_name"></span>, processes used | |
| 51 to to display diagnostics information (such as this | |
| 52 "about:memory") are excluded. | |
| 53 </p> | |
| 54 </div> | |
| 55 </div> | |
| 56 </h2> | |
| 57 | |
| 58 <table class="list" id="browserComparison"> | |
| 59 <colgroup> | |
| 60 <col class="name"> | |
| 61 <col class="number"> | |
| 62 <col class="number"> | |
| 63 <col class="number"> | |
| 64 <col class="number"> | |
| 65 <col class="number"> | |
| 66 </colgroup> | |
| 67 <tr class="firstRow doNotFilter"> | |
| 68 <th> | |
| 69 </th> | |
| 70 <th colspan="3"> | |
| 71 Memory | |
| 72 <div class="help"> | |
| 73 <div> | |
| 74 <p> | |
| 75 <strong>Memory</strong> | |
| 76 </p> | |
| 77 <p> | |
| 78 <strong>Private:</strong> | |
| 79 Resident memory size that is not shared with any other | |
| 80 process. This is the best indicator of browser memory | |
| 81 resource usage. | |
| 82 </p> | |
| 83 <p> | |
| 84 <strong>Shared:</strong> | |
| 85 Resident memory size that is currently shared with 2 or more | |
| 86 processes. Note: For browsers using multiple processes, if we | |
| 87 simply added the shared memory of each individual process, | |
| 88 this value would be inflated. Therefore, this value is | |
| 89 computed as an approximate value for shared memory in each of | |
| 90 the browser's processes. Note also that shared memory varies | |
| 91 depending on what other processes are running on the system, | |
| 92 and may be difficult to measure reproducibly. | |
| 93 </p> | |
| 94 <p> | |
| 95 <strong>Total:</strong> | |
| 96 The sum of the private + shared resident memory sizes. | |
| 97 </p> | |
| 98 </div> | |
| 99 </div> | |
| 100 </th> | |
| 101 <th colspan="2"> | |
| 102 Virtual memory | |
| 103 <div class="help"> | |
| 104 <div> | |
| 105 <p> | |
| 106 <strong>Virtual memory</strong> | |
| 107 </p> | |
| 108 <p> | |
| 109 <strong>Private:</strong> | |
| 110 The resident and paged bytes committed for use by only this | |
| 111 process. | |
| 112 </p> | |
| 113 <p> | |
| 114 <strong>Mapped:</strong> | |
| 115 Total bytes allocated by this process that are mapped into the | |
| 116 view of a section, backed by either system pagefile or file | |
| 117 system. This is primarily memory-mapped files. | |
| 118 </p> | |
| 119 </div> | |
| 120 </div> | |
| 121 </th> | |
| 122 </tr> | |
| 123 <tr class="secondRow doNotFilter"> | |
| 124 <th class="name"> | |
| 125 Browser | |
| 126 </th> | |
| 127 <th class="name"> | |
| 128 Private | |
| 129 </th> | |
| 130 <th class="number"> | |
| 131 Shared | |
| 132 </th> | |
| 133 <th class="number"> | |
| 134 Total | |
| 135 </th> | |
| 136 <th class="number"> | |
| 137 Private | |
| 138 </th> | |
| 139 <th class="number"> | |
| 140 Mapped | |
| 141 </th> | |
| 142 </tr> | |
| 143 <tr jsselect="browsers"> | |
| 144 <td class="name"> | |
| 145 <div> | |
| 146 <strong jscontent="name"></strong> | |
| 147 <span jscontent="version"></span> | |
| 148 </div> | |
| 149 </td> | |
| 150 <td class="number"> | |
| 151 <span class="th" | |
| 152 jscontent="formatNumber(ws_priv + ws_shareable - ws_shared)"> | |
| 153 </span><span class="k">k</span> | |
| 154 </td> | |
| 155 <td class="number"> | |
| 156 <span class="th" jscontent="formatNumber(ws_shared / processes)"> | |
| 157 </span><span class="k">k</span> | |
| 158 </td> | |
| 159 <td class="number"> | |
| 160 <span class="th" | |
| 161 jscontent="formatNumber(ws_priv + ws_shareable - ws_shared + | |
| 162 (ws_shared / processes))"></span><span class="k">k</span> | |
| 163 </td> | |
| 164 <td class="number"> | |
| 165 <span class="th" jscontent="formatNumber(comm_priv)"></span> | |
| 166 <span class="k">k</span> | |
| 167 </td> | |
| 168 <td class="number"> | |
| 169 <span class="th" jscontent="formatNumber(comm_map)"></span> | |
| 170 <span class="k">k</span> | |
| 171 </td> | |
| 172 </tr> | |
| 173 </table> | |
| 174 <div class="otherbrowsers" jsdisplay="browsers.length == 1"> | |
| 175 Note: This page will show memory use for all running browsers, | |
| 176 not just Chrome. | |
| 177 </div> | |
| 178 <div class="otherbrowsers" jsdisplay="browsers.length > 1"> | |
| 179 Note: Chrome includes memory used by plugins, other browsers may not. | |
| 180 </div> | |
| 181 | |
| 182 <br><br><br> | |
| 183 | |
| 184 <h2> | |
| 185 Processes | |
| 186 <div class="help"> | |
| 187 <div> | |
| 188 <p> | |
| 189 Details of memory usage for each of | |
| 190 <span jscontent="current_browser_name"></span>'s processes. | |
| 191 </p> | |
| 192 </div> | |
| 193 </div> | |
| 194 </h2> | |
| 195 | |
| 196 <table class="list" id="memoryDetails"> | |
| 197 <colgroup> | |
| 198 <col class="pid"> | |
| 199 <col class="name"> | |
| 200 <col class="number"> | |
| 201 <col class="number"> | |
| 202 <col class="number"> | |
| 203 <col class="number"> | |
| 204 <col class="number"> | |
| 205 </colgroup> | |
| 206 <tr class="firstRow doNotFilter"> | |
| 207 <th> | |
| 208 </th> | |
| 209 <th> | |
| 210 </th> | |
| 211 <th colspan="3"> | |
| 212 Memory | |
| 213 </th> | |
| 214 <th colspan="2"> | |
| 215 Virtual memory | |
| 216 </th> | |
| 217 | |
| 218 </tr> | |
| 219 <tr class="secondRow doNotFilter"> | |
| 220 <th class="pid"> | |
| 221 PID | |
| 222 </th> | |
| 223 <th class="name"> | |
| 224 Name | |
| 225 </th> | |
| 226 <th class="number"> | |
| 227 Private | |
| 228 </th> | |
| 229 <th class="number"> | |
| 230 Shared | |
| 231 </th> | |
| 232 <th class="number"> | |
| 233 Total | |
| 234 </th> | |
| 235 <th class="number"> | |
| 236 Private | |
| 237 </th> | |
| 238 <th class="number"> | |
| 239 Mapped | |
| 240 </th> | |
| 241 </tr> | |
| 242 | |
| 243 <tr jsselect="browzr_data"> | |
| 244 <td class="pid"> | |
| 245 <span class="th" jscontent="pid"></span> | |
| 246 </td> | |
| 247 <td class="name"> | |
| 248 <div> | |
| 249 Browser | |
| 250 </div> | |
| 251 </td> | |
| 252 <td class="number"> | |
| 253 <span class="th" jseval="addToSum('tot_ws_priv', $this.ws_priv + | |
| 254 $this.ws_shareable - $this.ws_shared)" jscontent="ws_priv + | |
| 255 ws_shareable - ws_shared"></span><span class="k">k</span> | |
| 256 </td> | |
| 257 <td class="number"> | |
| 258 <span class="th" jscontent="ws_shared"></span> | |
| 259 <span class="k">k</span> | |
| 260 </td> | |
| 261 <td class="number"> | |
| 262 <span class="th" jseval="addToSum('tot_ws_tot', $this.ws_priv + | |
| 263 $this.ws_shareable)" jscontent="ws_priv + | |
| 264 ws_shareable"></span><span class="k">k</span> | |
| 265 </td> | |
| 266 <td class="number"> | |
| 267 <span class="th" jseval="addToSum('tot_comm_priv', $this.comm_priv)" | |
| 268 jscontent="comm_priv"></span><span class="k">k</span> | |
| 269 </td> | |
| 270 <td class="number"> | |
| 271 <span class="th" jseval="addToSum('tot_comm_map', $this.comm_map)" | |
| 272 jscontent="comm_map"></span><span class="k">k</span> | |
| 273 </td> | |
| 274 </tr> | |
| 275 <tr jsselect="child_data"> | |
| 276 <td class="pid"> | |
| 277 <span class="th" jscontent="pid"></span> | |
| 278 </td> | |
| 279 <td class="name"> | |
| 280 <div jscontent="child_name"></div> | |
| 281 <div jsselect="titles"> | |
| 282 <span jscontent="$this"></span><br> | |
| 283 </div> | |
| 284 </td> | |
| 285 <td class="number"> | |
| 286 <span class="th" jseval="addToSum('tot_ws_priv', $this.ws_priv + | |
| 287 $this.ws_shareable - $this.ws_shared)" jscontent="ws_priv + | |
| 288 ws_shareable - ws_shared"></span><span class="k">k</span> | |
| 289 </td> | |
| 290 <td class="number"> | |
| 291 <span class="th" jscontent="ws_shared"></span><span | |
| 292 class="k">k</span> | |
| 293 </td> | |
| 294 <td class="number"> | |
| 295 <span class="th" jseval="addToSum('tot_ws_tot', $this.ws_priv + | |
| 296 $this.ws_shareable)" jscontent="ws_priv + | |
| 297 ws_shareable"></span><span class="k">k</span> | |
| 298 </td> | |
| 299 <td class="number"> | |
| 300 <span class="th" jseval="addToSum('tot_comm_priv', $this.comm_priv)" | |
| 301 jscontent="comm_priv"></span><span class="k">k</span> | |
| 302 </td> | |
| 303 <td class="number"> | |
| 304 <span class="th" jseval="addToSum('tot_comm_map', $this.comm_map)" | |
| 305 jscontent="comm_map"></span><span class="k">k</span> | |
| 306 </td> | |
| 307 </tr> | |
| 308 <tr class="total doNotFilter"> | |
| 309 <td class="pid"> | |
| 310 </td> | |
| 311 <td class="name"> | |
| 312 Σ | |
| 313 </td> | |
| 314 <td class="number"> | |
| 315 <span class="th" id="tot_ws_priv">0</span><span class="k">k</span> | |
| 316 </td> | |
| 317 <td class="number"> | |
| 318 </td> | |
| 319 <td class="number"> | |
| 320 <span class="th" id="tot_ws_tot">0</span><span class="k">k</span> | |
| 321 </td> | |
| 322 <td class="number"> | |
| 323 <span class="th" id="tot_comm_priv">0</span><span class="k">k</span> | |
| 324 </td> | |
| 325 <td class="number"> | |
| 326 <div class="help"> | |
| 327 <div> | |
| 328 <p> | |
| 329 This is an approximation. Conceptually, this is the total | |
| 330 amount of in-memory pages for the entire logical | |
| 331 <span jscontent="current_browser_name"></span> application, | |
| 332 without double counting shared pages (e.g. mapped DLLs, | |
| 333 SharedMemory bitmaps, etc.) across the browser and renderers. | |
| 334 </p> | |
| 335 </div> | |
| 336 </div> | |
| 337 <span class="th" id="tot_comm_map">0</span><span class="k">k</span> | |
| 338 </td> | |
| 339 </tr> | |
| 340 | |
| 341 <tr class="noResults"> | |
| 342 <td colspan="99"> | |
| 343 No results found. | |
| 344 </td> | |
| 345 </tr> | |
| 346 </table> | |
| 347 </div> | |
| 348 <script src="chrome://resources/js/jstemplate_compiled.js"></script> | |
| 349 </body> | |
| 350 </html> | |
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Chromium Code Reviews
Issue 1722493002:
Project Eraser: Kill chrome://memory. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master