1 2<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 3<html><head><title>Python: module telemetry.web_perf.metrics.blob_timeline</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>.blob_timeline</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/blob_timeline.py">telemetry/web_perf/metrics/blob_timeline.py</a></font></td></tr></table> 13 <p><tt># Copyright 2015 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.value.improvement_direction.html">telemetry.value.improvement_direction</a><br> 24</td><td width="25%" valign=top><a href="telemetry.value.list_of_scalar_values.html">telemetry.value.list_of_scalar_values</a><br> 25</td><td width="25%" valign=top><a href="telemetry.web_perf.metrics.timeline_based_metric.html">telemetry.web_perf.metrics.timeline_based_metric</a><br> 26</td><td width="25%" valign=top></td></tr></table></td></tr></table><p> 27<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 28<tr bgcolor="#ee77aa"> 29<td colspan=3 valign=bottom> <br> 30<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr> 31 32<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td> 33<td width="100%"><dl> 34<dt><font face="helvetica, arial"><a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>(<a href="__builtin__.html#object">__builtin__.object</a>) 35</font></dt><dd> 36<dl> 37<dt><font face="helvetica, arial"><a href="telemetry.web_perf.metrics.blob_timeline.html#BlobTimelineMetric">BlobTimelineMetric</a> 38</font></dt></dl> 39</dd> 40</dl> 41 <p> 42<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 43<tr bgcolor="#ffc8d8"> 44<td colspan=3 valign=bottom> <br> 45<font color="#000000" face="helvetica, arial"><a name="BlobTimelineMetric">class <strong>BlobTimelineMetric</strong></a>(<a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>)</font></td></tr> 46 47<tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> 48<td colspan=2><tt><a href="#BlobTimelineMetric">BlobTimelineMetric</a> reports timing information about blob storage.<br> 49 <br> 50The following metrics are added to the results:<br> 51 * blob write times (blob_writes)<br> 52 * blob read times (blob_reads)<br> </tt></td></tr> 53<tr><td> </td> 54<td width="100%"><dl><dt>Method resolution order:</dt> 55<dd><a href="telemetry.web_perf.metrics.blob_timeline.html#BlobTimelineMetric">BlobTimelineMetric</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> 60Methods defined here:<br> 61<dl><dt><a name="BlobTimelineMetric-AddResults"><strong>AddResults</strong></a>(self, model, renderer_thread, interactions, results)</dt></dl> 62 63<dl><dt><a name="BlobTimelineMetric-__init__"><strong>__init__</strong></a>(self)</dt></dl> 64 65<hr> 66Static methods defined here:<br> 67<dl><dt><a name="BlobTimelineMetric-IsEventInInteraction"><strong>IsEventInInteraction</strong></a>(event, interaction)</dt></dl> 68 69<dl><dt><a name="BlobTimelineMetric-IsReadEvent"><strong>IsReadEvent</strong></a>(event)</dt></dl> 70 71<dl><dt><a name="BlobTimelineMetric-IsWriteEvent"><strong>IsWriteEvent</strong></a>(event)</dt></dl> 72 73<dl><dt><a name="BlobTimelineMetric-ThreadDurationIfPresent"><strong>ThreadDurationIfPresent</strong></a>(event)</dt></dl> 74 75<hr> 76Methods inherited from <a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>:<br> 77<dl><dt><a name="BlobTimelineMetric-AddWholeTraceResults"><strong>AddWholeTraceResults</strong></a>(self, model, results)</dt><dd><tt>Computes and adds metrics corresponding to the entire trace.<br> 78 <br> 79Override this method to compute results that correspond to the whole trace.<br> 80 <br> 81Args:<br> 82 model: An instance of telemetry.timeline.model.TimelineModel.<br> 83 results: An instance of page.PageTestResults.</tt></dd></dl> 84 85<dl><dt><a name="BlobTimelineMetric-VerifyNonOverlappedRecords"><strong>VerifyNonOverlappedRecords</strong></a>(self, interaction_records)</dt><dd><tt>This raises exceptions if interaction_records contain overlapped ranges.</tt></dd></dl> 86 87<hr> 88Data descriptors inherited from <a href="telemetry.web_perf.metrics.timeline_based_metric.html#TimelineBasedMetric">telemetry.web_perf.metrics.timeline_based_metric.TimelineBasedMetric</a>:<br> 89<dl><dt><strong>__dict__</strong></dt> 90<dd><tt>dictionary for instance variables (if defined)</tt></dd> 91</dl> 92<dl><dt><strong>__weakref__</strong></dt> 93<dd><tt>list of weak references to the object (if defined)</tt></dd> 94</dl> 95</td></tr></table></td></tr></table><p> 96<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 97<tr bgcolor="#55aa55"> 98<td colspan=3 valign=bottom> <br> 99<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr> 100 101<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td> 102<td width="100%"><strong>READ_EVENT_NAME</strong> = 'BlobRequest'<br> 103<strong>WRITE_EVENT_NAME</strong> = 'Registry::RegisterBlob'</td></tr></table> 104</body></html>