1 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 3 <html><head><title>Python: module telemetry.web_perf.metrics.layout</title> 4 <meta charset="utf-8"> 5 </head><body bgcolor="#f0f0f8"> 6 7 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading"> 8 <tr bgcolor="#7799ee"> 9 <td valign=bottom> <br> 10 <font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.web_perf.html"><font color="#ffffff">web_perf</font></a>.<a href="telemetry.web_perf.metrics.html"><font color="#ffffff">metrics</font></a>.layout</strong></big></big></font></td 11 ><td align=right valign=bottom 12 ><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="../telemetry/web_perf/metrics/layout.py">telemetry/web_perf/metrics/layout.py</a></font></td></tr></table> 13 <p><tt># Copyright 2014 The Chromium Authors. All rights reserved.<br> 14 # Use of this source code is governed by a BSD-style license that can be<br> 15 # found in the LICENSE file.</tt></p> 16 <p> 17 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 18 <tr bgcolor="#aa55cc"> 19 <td colspan=3 valign=bottom> <br> 20 <font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr> 21 22 <tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td> 23 <td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="telemetry.web_perf.metrics.single_event.html">telemetry.web_perf.metrics.single_event</a><br> 24 </td><td width="25%" valign=top></td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p> 25 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 26 <tr bgcolor="#ee77aa"> 27 <td colspan=3 valign=bottom> <br> 28 <font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr> 29 30 <tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td> 31 <td width="100%"><dl> 32 <dt><font face="helvetica, arial"><a href="telemetry.web_perf.metrics.single_event.html#_SingleEventMetric">telemetry.web_perf.metrics.single_event._SingleEventMetric</a>(<a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>) 33 </font></dt><dd> 34 <dl> 35 <dt><font face="helvetica, arial"><a href="telemetry.web_perf.metrics.layout.html#LayoutMetric">LayoutMetric</a> 36 </font></dt></dl> 37 </dd> 38 </dl> 39 <p> 40 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 41 <tr bgcolor="#ffc8d8"> 42 <td colspan=3 valign=bottom> <br> 43 <font color="#000000" face="helvetica, arial"><a name="LayoutMetric">class <strong>LayoutMetric</strong></a>(<a href="telemetry.web_perf.metrics.single_event.html#_SingleEventMetric">telemetry.web_perf.metrics.single_event._SingleEventMetric</a>)</font></td></tr> 44 45 <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> 46 <td colspan=2><tt>Reports directly durations of FrameView::performLayout events.<br> 47 <br> 48 layout: Durations of FrameView::performLayout events that were caused by and<br> 49 start during user interaction.<br> 50 <br> 51 Layout happens no more than once per frame, so per-frame-ness is implied.<br> </tt></td></tr> 52 <tr><td> </td> 53 <td width="100%"><dl><dt>Method resolution order:</dt> 54 <dd><a href="telemetry.web_perf.metrics.layout.html#LayoutMetric">LayoutMetric</a></dd> 55 <dd><a href="telemetry.web_perf.metrics.single_event.html#_SingleEventMetric">telemetry.web_perf.metrics.single_event._SingleEventMetric</a></dd> 56 <dd><a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a></dd> 57 <dd><a href="__builtin__.html#object">__builtin__.object</a></dd> 58 </dl> 59 <hr> 60 Methods defined here:<br> 61 <dl><dt><a name="LayoutMetric-__init__"><strong>__init__</strong></a>(self)</dt></dl> 62 63 <hr> 64 Methods inherited from <a href="telemetry.web_perf.metrics.single_event.html#_SingleEventMetric">telemetry.web_perf.metrics.single_event._SingleEventMetric</a>:<br> 65 <dl><dt><a name="LayoutMetric-AddResults"><strong>AddResults</strong></a>(self, _model, renderer_thread, interactions, results)</dt></dl> 66 67 <hr> 68 Methods inherited from <a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>:<br> 69 <dl><dt><a name="LayoutMetric-AddWholeTraceResults"><strong>AddWholeTraceResults</strong></a>(self, model, results)</dt><dd><tt>Computes and adds metrics corresponding to the entire trace.<br> 70 <br> 71 Override this method to compute results that correspond to the whole trace.<br> 72 <br> 73 Args:<br> 74 model: An instance of telemetry.timeline.model.TimelineModel.<br> 75 results: An instance of page.PageTestResults.</tt></dd></dl> 76 77 <dl><dt><a name="LayoutMetric-VerifyNonOverlappedRecords"><strong>VerifyNonOverlappedRecords</strong></a>(self, interaction_records)</dt><dd><tt>This raises exceptions if interaction_records contain overlapped ranges.</tt></dd></dl> 78 79 <hr> 80 Data descriptors inherited from <a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>:<br> 81 <dl><dt><strong>__dict__</strong></dt> 82 <dd><tt>dictionary for instance variables (if defined)</tt></dd> 83 </dl> 84 <dl><dt><strong>__weakref__</strong></dt> 85 <dd><tt>list of weak references to the object (if defined)</tt></dd> 86 </dl> 87 </td></tr></table></td></tr></table><p> 88 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 89 <tr bgcolor="#55aa55"> 90 <td colspan=3 valign=bottom> <br> 91 <font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr> 92 93 <tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td> 94 <td width="100%"><strong>EVENT_NAME</strong> = 'FrameView::performLayout'<br> 95 <strong>METRIC_NAME</strong> = 'layout'</td></tr></table> 96 </body></html>
