| <!DOCTYPE HTML> |
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| <!-- |
| about:memory template page |
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| <head> |
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| <title>About Memory</title> |
| <link rel="stylesheet" href="chrome://memory-redirect/about_memory.css"> |
| <style> |
| body { |
| font-family: Helvetica, sans-serif; |
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| div#header select { |
| font-family: Helvetica, sans-serif; |
| } |
| div.otherbrowsers { |
| font-family: Helvetica, sans-serif; |
| } |
| table.list#browserComparison tr:not([class*='firstRow']) > *:nth-child(1), |
| table.list#browserComparison tr:not([class*='firstRow']) > *:nth-child(6), |
| table.list#browserComparison tr.firstRow th:nth-child(1) { |
| border-right: 1px solid #b5c6de; |
| } |
| table.list#memoryDetails tr:not([class*='firstRow']) > *:nth-child(2), |
| table.list#memoryDetails tr:not([class*='firstRow']) > *:nth-child(7), |
| table.list#memoryDetails tr.firstRow th:nth-child(2) { |
| border-right: 1px solid #b5c6de; |
| } |
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| <script src="chrome://resources/js/load_time_data.js"></script> |
| <script src="chrome://memory-redirect/memory.js"></script> |
| <script src="chrome://memory-redirect/strings.js"></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: This page will show memory use for all running browsers, |
| not just Chrome. |
| </div> |
| <div class="otherbrowsers" jsdisplay="browsers.length > 1"> |
| Note: Chrome includes memory used by plug-ins, other browsers may not. |
| </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> |
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| </body> |
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