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<html><head><title>Python: module telemetry.timeline.model</title>
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<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.timeline.html"><font color="#ffffff">timeline</font></a>.model</strong></big></big></font></td
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><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="../telemetry/timeline/model.py">telemetry/timeline/model.py</a></font></td></tr></table>
<p><tt>A container for timeline-based events and traces and can handle importing<br>
raw event data from different sources. This model closely resembles that in the<br>
trace_viewer project:<br>
https://code.google.com/p/trace-viewer/</tt></p>
<p>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="telemetry.timeline.async_slice.html">telemetry.timeline.async_slice</a><br>
<a href="telemetry.timeline.bounds.html">telemetry.timeline.bounds</a><br>
<a href="telemetry.timeline.event_container.html">telemetry.timeline.event_container</a><br>
</td><td width="25%" valign=top><a href="telemetry.timeline.inspector_importer.html">telemetry.timeline.inspector_importer</a><br>
<a href="telemetry.timeline.process.html">telemetry.timeline.process</a><br>
<a href="telemetry.timeline.slice.html">telemetry.timeline.slice</a><br>
</td><td width="25%" valign=top><a href="telemetry.timeline.surface_flinger_importer.html">telemetry.timeline.surface_flinger_importer</a><br>
<a href="telemetry.timeline.tab_id_importer.html">telemetry.timeline.tab_id_importer</a><br>
<a href="telemetry.timeline.trace_data.html">telemetry.timeline.trace_data</a><br>
</td><td width="25%" valign=top><a href="telemetry.timeline.trace_event_importer.html">telemetry.timeline.trace_event_importer</a><br>
</td></tr></table></td></tr></table><p>
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<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="exceptions.html#Exception">exceptions.Exception</a>(<a href="exceptions.html#BaseException">exceptions.BaseException</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="telemetry.timeline.model.html#MarkerMismatchError">MarkerMismatchError</a>
</font></dt><dt><font face="helvetica, arial"><a href="telemetry.timeline.model.html#MarkerOverlapError">MarkerOverlapError</a>
</font></dt></dl>
</dd>
<dt><font face="helvetica, arial"><a href="telemetry.timeline.event_container.html#TimelineEventContainer">telemetry.timeline.event_container.TimelineEventContainer</a>(<a href="__builtin__.html#object">__builtin__.object</a>)
</font></dt><dd>
<dl>
<dt><font face="helvetica, arial"><a href="telemetry.timeline.model.html#TimelineModel">TimelineModel</a>
</font></dt></dl>
</dd>
</dl>
<p>
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<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="MarkerMismatchError">class <strong>MarkerMismatchError</strong></a>(<a href="exceptions.html#Exception">exceptions.Exception</a>)</font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="telemetry.timeline.model.html#MarkerMismatchError">MarkerMismatchError</a></dd>
<dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd>
<dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="MarkerMismatchError-__init__"><strong>__init__</strong></a>(self)</dt></dl>
<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list of weak references to the object (if defined)</tt></dd>
</dl>
<hr>
Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
<dl><dt><strong>__new__</strong> = <built-in method __new__ of type object><dd><tt>T.<a href="#MarkerMismatchError-__new__">__new__</a>(S, ...) -> a new object with type S, a subtype of T</tt></dl>
<hr>
Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><a name="MarkerMismatchError-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__delattr__">__delattr__</a>('name') <==> del x.name</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__getattribute__">__getattribute__</a>('name') <==> x.name</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__getitem__">__getitem__</a>(y) <==> x[y]</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__getslice__">__getslice__</a>(i, j) <==> x[i:j]<br>
<br>
Use of negative indices is not supported.</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl>
<dl><dt><a name="MarkerMismatchError-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__repr__">__repr__</a>() <==> repr(x)</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__setattr__">__setattr__</a>('name', value) <==> x.name = value</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl>
<dl><dt><a name="MarkerMismatchError-__str__"><strong>__str__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerMismatchError-__str__">__str__</a>() <==> str(x)</tt></dd></dl>
<dl><dt><a name="MarkerMismatchError-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl>
<hr>
Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
</dl>
<dl><dt><strong>args</strong></dt>
</dl>
<dl><dt><strong>message</strong></dt>
</dl>
</td></tr></table> <p>
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<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="MarkerOverlapError">class <strong>MarkerOverlapError</strong></a>(<a href="exceptions.html#Exception">exceptions.Exception</a>)</font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="telemetry.timeline.model.html#MarkerOverlapError">MarkerOverlapError</a></dd>
<dd><a href="exceptions.html#Exception">exceptions.Exception</a></dd>
<dd><a href="exceptions.html#BaseException">exceptions.BaseException</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="MarkerOverlapError-__init__"><strong>__init__</strong></a>(self)</dt></dl>
<hr>
Data descriptors defined here:<br>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list of weak references to the object (if defined)</tt></dd>
</dl>
<hr>
Data and other attributes inherited from <a href="exceptions.html#Exception">exceptions.Exception</a>:<br>
<dl><dt><strong>__new__</strong> = <built-in method __new__ of type object><dd><tt>T.<a href="#MarkerOverlapError-__new__">__new__</a>(S, ...) -> a new object with type S, a subtype of T</tt></dl>
<hr>
Methods inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><a name="MarkerOverlapError-__delattr__"><strong>__delattr__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__delattr__">__delattr__</a>('name') <==> del x.name</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__getattribute__"><strong>__getattribute__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__getattribute__">__getattribute__</a>('name') <==> x.name</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__getitem__"><strong>__getitem__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__getitem__">__getitem__</a>(y) <==> x[y]</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__getslice__"><strong>__getslice__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__getslice__">__getslice__</a>(i, j) <==> x[i:j]<br>
<br>
Use of negative indices is not supported.</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__reduce__"><strong>__reduce__</strong></a>(...)</dt></dl>
<dl><dt><a name="MarkerOverlapError-__repr__"><strong>__repr__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__repr__">__repr__</a>() <==> repr(x)</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__setattr__"><strong>__setattr__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__setattr__">__setattr__</a>('name', value) <==> x.name = value</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__setstate__"><strong>__setstate__</strong></a>(...)</dt></dl>
<dl><dt><a name="MarkerOverlapError-__str__"><strong>__str__</strong></a>(...)</dt><dd><tt>x.<a href="#MarkerOverlapError-__str__">__str__</a>() <==> str(x)</tt></dd></dl>
<dl><dt><a name="MarkerOverlapError-__unicode__"><strong>__unicode__</strong></a>(...)</dt></dl>
<hr>
Data descriptors inherited from <a href="exceptions.html#BaseException">exceptions.BaseException</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
</dl>
<dl><dt><strong>args</strong></dt>
</dl>
<dl><dt><strong>message</strong></dt>
</dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#ffc8d8">
<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="TimelineModel">class <strong>TimelineModel</strong></a>(<a href="telemetry.timeline.event_container.html#TimelineEventContainer">telemetry.timeline.event_container.TimelineEventContainer</a>)</font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt>Method resolution order:</dt>
<dd><a href="telemetry.timeline.model.html#TimelineModel">TimelineModel</a></dd>
<dd><a href="telemetry.timeline.event_container.html#TimelineEventContainer">telemetry.timeline.event_container.TimelineEventContainer</a></dd>
<dd><a href="__builtin__.html#object">__builtin__.object</a></dd>
</dl>
<hr>
Methods defined here:<br>
<dl><dt><a name="TimelineModel-AddMappingFromTabIdToRendererThread"><strong>AddMappingFromTabIdToRendererThread</strong></a>(self, tab_id, renderer_thread)</dt></dl>
<dl><dt><a name="TimelineModel-FinalizeImport"><strong>FinalizeImport</strong></a>(self, shift_world_to_zero<font color="#909090">=False</font>, importers<font color="#909090">=None</font>)</dt></dl>
<dl><dt><a name="TimelineModel-FindTimelineMarkers"><strong>FindTimelineMarkers</strong></a>(self, timeline_marker_names)</dt><dd><tt>Find the timeline events with the given names.<br>
<br>
If the number and order of events found does not match the names,<br>
raise an error.</tt></dd></dl>
<dl><dt><a name="TimelineModel-GetAllProcesses"><strong>GetAllProcesses</strong></a>(self)</dt></dl>
<dl><dt><a name="TimelineModel-GetAllThreads"><strong>GetAllThreads</strong></a>(self)</dt></dl>
<dl><dt><a name="TimelineModel-GetOrCreateProcess"><strong>GetOrCreateProcess</strong></a>(self, pid)</dt></dl>
<dl><dt><a name="TimelineModel-GetRendererProcessFromTabId"><strong>GetRendererProcessFromTabId</strong></a>(self, tab_id)</dt></dl>
<dl><dt><a name="TimelineModel-GetRendererThreadFromTabId"><strong>GetRendererThreadFromTabId</strong></a>(self, tab_id)</dt></dl>
<dl><dt><a name="TimelineModel-ImportTraces"><strong>ImportTraces</strong></a>(self, trace_data, shift_world_to_zero<font color="#909090">=True</font>)</dt><dd><tt>Populates the model with the provided trace data.<br>
<br>
trace_data must be an instance of TraceData.<br>
<br>
Passing shift_world_to_zero=True causes the events to be shifted such that<br>
the first event starts at time 0.</tt></dd></dl>
<dl><dt><a name="TimelineModel-IterChildContainers"><strong>IterChildContainers</strong></a>(self)</dt></dl>
<dl><dt><a name="TimelineModel-IterGlobalMemoryDumps"><strong>IterGlobalMemoryDumps</strong></a>(self)</dt><dd><tt>Iterate over the memory dump events of this model.</tt></dd></dl>
<dl><dt><a name="TimelineModel-SetGlobalMemoryDumps"><strong>SetGlobalMemoryDumps</strong></a>(self, global_memory_dumps)</dt><dd><tt>Populates the model with a sequence of GlobalMemoryDump objects.</tt></dd></dl>
<dl><dt><a name="TimelineModel-ShiftWorldToZero"><strong>ShiftWorldToZero</strong></a>(self)</dt></dl>
<dl><dt><a name="TimelineModel-UpdateBounds"><strong>UpdateBounds</strong></a>(self)</dt></dl>
<dl><dt><a name="TimelineModel-__init__"><strong>__init__</strong></a>(self, trace_data<font color="#909090">=None</font>, shift_world_to_zero<font color="#909090">=True</font>)</dt><dd><tt>Initializes a <a href="#TimelineModel">TimelineModel</a>.<br>
<br>
Args:<br>
trace_data: trace_data.TraceData containing events to import<br>
shift_world_to_zero: If true, the events will be shifted such that the<br>
first event starts at time 0.</tt></dd></dl>
<hr>
Data descriptors defined here:<br>
<dl><dt><strong>bounds</strong></dt>
</dl>
<dl><dt><strong>browser_process</strong></dt>
</dl>
<dl><dt><strong>gpu_process</strong></dt>
</dl>
<dl><dt><strong>processes</strong></dt>
</dl>
<dl><dt><strong>surface_flinger_process</strong></dt>
</dl>
<hr>
Methods inherited from <a href="telemetry.timeline.event_container.html#TimelineEventContainer">telemetry.timeline.event_container.TimelineEventContainer</a>:<br>
<dl><dt><a name="TimelineModel-GetAllEvents"><strong>GetAllEvents</strong></a>(self, recursive<font color="#909090">=True</font>)</dt><dd><tt># List versions. These should always be simple expressions that list() on<br>
# an underlying iter method.</tt></dd></dl>
<dl><dt><a name="TimelineModel-GetAllEventsOfName"><strong>GetAllEventsOfName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-GetAllToplevelSlicesOfName"><strong>GetAllToplevelSlicesOfName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllAsyncSlicesOfName"><strong>IterAllAsyncSlicesOfName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllAsyncSlicesStartsWithName"><strong>IterAllAsyncSlicesStartsWithName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllEvents"><strong>IterAllEvents</strong></a>(self, recursive<font color="#909090">=True</font>, event_type_predicate<font color="#909090">=<function <lambda>></font>, event_predicate<font color="#909090">=<function <lambda>></font>)</dt><dd><tt>Iterates all events in this container, pre-filtered by two predicates.<br>
<br>
Only events with a type matching event_type_predicate AND matching event<br>
event_predicate will be yielded.<br>
<br>
event_type_predicate is given an actual type object, e.g.:<br>
event_type_predicate(slice_module.Slice)<br>
<br>
event_predicate is given actual events:<br>
event_predicate(thread.slices[7])</tt></dd></dl>
<dl><dt><a name="TimelineModel-IterAllEventsOfName"><strong>IterAllEventsOfName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt><dd><tt># Helper functions for finding common kinds of events. Must always take an<br>
# optinal recurisve parameter and be implemented in terms fo IterAllEvents.</tt></dd></dl>
<dl><dt><a name="TimelineModel-IterAllFlowEvents"><strong>IterAllFlowEvents</strong></a>(self, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllSlices"><strong>IterAllSlices</strong></a>(self, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllSlicesInRange"><strong>IterAllSlicesInRange</strong></a>(self, start, end, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllSlicesOfName"><strong>IterAllSlicesOfName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterAllToplevelSlicesOfName"><strong>IterAllToplevelSlicesOfName</strong></a>(self, name, recursive<font color="#909090">=True</font>)</dt></dl>
<dl><dt><a name="TimelineModel-IterEventsInThisContainer"><strong>IterEventsInThisContainer</strong></a>(self, event_type_predicate, event_predicate)</dt><dd><tt>Iterates all the TimelineEvents in this container.<br>
<br>
Only events with a type matching event_type_predicate AND matching event<br>
event_predicate will be yielded.<br>
<br>
event_type_predicate is given an actual type object, e.g.:<br>
event_type_predicate(slice_module.Slice)<br>
<br>
event_predicate is given actual events:<br>
event_predicate(thread.slices[7])<br>
<br>
DO NOT ASSUME that the event_type_predicate will be called for every event<br>
found. The relative calling order of the two is left up to the implementer<br>
of the method.</tt></dd></dl>
<hr>
Static methods inherited from <a href="telemetry.timeline.event_container.html#TimelineEventContainer">telemetry.timeline.event_container.TimelineEventContainer</a>:<br>
<dl><dt><a name="TimelineModel-IsAsyncSlice"><strong>IsAsyncSlice</strong></a>(t)</dt></dl>
<hr>
Data descriptors inherited from <a href="telemetry.timeline.event_container.html#TimelineEventContainer">telemetry.timeline.event_container.TimelineEventContainer</a>:<br>
<dl><dt><strong>__dict__</strong></dt>
<dd><tt>dictionary for instance variables (if defined)</tt></dd>
</dl>
<dl><dt><strong>__weakref__</strong></dt>
<dd><tt>list of weak references to the object (if defined)</tt></dd>
</dl>
</td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#eeaa77">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt><a name="-IsSliceOrAsyncSlice"><strong>IsSliceOrAsyncSlice</strong></a>(t)</dt></dl>
</td></tr></table>
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