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| <head> |
| <title>About Memory</title> |
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| div.otherbrowsers { |
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| table.list#browserComparison tr:not([class*='firstRow']) > *:nth-child(1), |
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| </script> |
| </head> |
| <body> |
| <div id='header'> |
| <h1> |
| About memory |
| </h1> |
| <p> |
| Measuring memory usage in a multi-process browser |
| </p> |
| </div> |
| |
| <div id='content'> |
| <h2> |
| Summary |
| <div class='help'> |
| <div> |
| <p> |
| Summary of memory used by currently active browsers.<p> |
| For Chromium, processes used to to display diagnostics |
| information (such as this "about:memory") are excluded. |
| </p> |
| </div> |
| </div> |
| </h2> |
| |
| <table class='list' id='browserComparison'> |
| <colgroup> |
| <col class='name' /> |
| <col class='number' /> |
| <col class='number' /> |
| <col class='number' /> |
| <col class='number' /> |
| </colgroup> |
| <tr class='firstRow doNotFilter'> |
| <th> |
| </th> |
| <th colspan='4'> |
| Memory |
| <div class='help'> |
| <div> |
| <p> |
| <strong>Memory</strong> |
| </p> |
| <p> |
| <strong>Resident:</strong> |
| Amount of memory that is present in physical RAM. |
| This is the best indicator of browser memory resource usage. |
| </p> |
| <p> |
| <strong>Shared:</strong> |
| Amount of memory that is present in physical RAM and can |
| be shared with another process. |
| </p> |
| <p> |
| <strong>Private:</strong> |
| Amount of memory that is present in physical RAM and can not |
| be shared with another process. |
| </p> |
| <p> |
| <strong>Virtual:</strong> |
| Amount of address space allocated in virtual memory. |
| </p> |
| |
| <p> |
| <i>(Note that the memory for this tab is not included in the browser totals.)</i> |
| </p> |
| </div> |
| </div> |
| </th> |
| </tr> |
| <tr class='secondRow doNotFilter'> |
| <th class='name'> |
| Browser |
| </th> |
| <th class='number'> |
| Resident |
| </th> |
| <th class='number'> |
| Shared |
| </th> |
| <th class='number'> |
| Private |
| </th> |
| <th class='number'> |
| Virtual |
| </th> |
| </tr> |
| <tr jsselect="browsers"> |
| <td class='name'> |
| <div> |
| <strong jscontent="name"></strong> <span jscontent="version"></span> |
| </div> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_shareable)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_shared)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_priv)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(comm_priv)"></span><span class='k'>k</span> |
| </td> |
| </tr> |
| </table> |
| <div class=otherbrowsers jsdisplay="browsers.length == 1"> |
| Note: If other browsers (e.g., Safari, Firefox, Camino) are running, I'll show their memory details here. |
| </div> |
| <div class="otherbrowsers"> |
| (Bug: We seriously overcount our own memory usage: <a href="http://crbug.com/25454">Issue 25454</a>.) |
| </div> |
| |
| <br /><br /><br /> |
| |
| <h2> |
| Processes |
| <div class='help'> |
| <div> |
| <p> |
| Details of memory usage for each of Chromium's processes. |
| </p> |
| </div> |
| </div> |
| </h2> |
| |
| <table class='list' id='memoryDetails'> |
| <colgroup> |
| <col class='pid' /> |
| <col class='name' /> |
| <col class='number' /> |
| <col class='number' /> |
| <col class='number' /> |
| <col class='number' /> |
| </colgroup> |
| <tr class='firstRow doNotFilter'> |
| <th> |
| </th> |
| <th> |
| </th> |
| <th colspan='4'> |
| Memory |
| </th> |
| </tr> |
| <tr class='secondRow doNotFilter'> |
| <th class='pid'> |
| PID |
| </th> |
| <th class='name'> |
| Name |
| </th> |
| <th class='number'> |
| Resident |
| </th> |
| <th class='number'> |
| Shared |
| </th> |
| <th class='number'> |
| Private |
| </th> |
| <th class='number'> |
| Virtual |
| </th> |
| </tr> |
| |
| <tr jsselect="browzr_data"> |
| <td class='pid'> |
| <span class='th' jscontent="pid"></span> |
| </td> |
| <td class='name'> |
| <div> |
| Browser |
| </div> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_shareable)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_shared)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_priv)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(comm_priv)"></span><span class='k'>k</span> |
| </td> |
| </tr> |
| <tr jsselect="child_data"> |
| <td class='pid'> |
| <span class='th' jscontent="pid"></span> |
| </td> |
| <td class='name'> |
| <div jscontent="child_name"></div> |
| <div jsselect="titles"> |
| <span jscontent="$this"></span><br> |
| </div> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_shareable)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_shared)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(ws_priv)"></span><span class='k'>k</span> |
| </td> |
| <td class='number'> |
| <span class='th' jscontent="formatNumber(comm_priv)"></span><span class='k'>k</span> |
| </td> |
| </tr> |
| |
| <tr class='noResults'> |
| <td colspan='99'> |
| No results found. |
| </td> |
| </tr> |
| </table> |
| <div class="otherbrowsers"> |
| (Note: Due to memory sharing between processes, summing memory usage does not give total memory usage.) |
| </div> |
| </div> |
| </body> |
| <script> |
| enableHelpTooltips(); |
| </script> |
| </html> |
