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    <includes refid="observer_8hpp" local="no">observer.hpp</includes>
    <innerclass refid="structtf_1_1TFProfObserver_1_1Summary" prot="private">tf::TFProfObserver::Summary</innerclass>
    <innerclass refid="structtf_1_1TFProfObserver_1_1TaskSummary" prot="private">tf::TFProfObserver::TaskSummary</innerclass>
    <innerclass refid="structtf_1_1TFProfObserver_1_1WorkerSummary" prot="private">tf::TFProfObserver::WorkerSummary</innerclass>
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        <type>class</type>
        <definition>friend class Executor</definition>
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        <name>Executor</name>
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          <type><ref refid="classtf_1_1Executor" kindref="compound">Executor</ref></type>
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        </briefdescription>
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<para>dumps the timelines into a <ulink url="https://taskflow.github.io/tfprof/">Taskflow Profiler</ulink> format through an output stream </para>
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<para>dumps the timelines into a JSON string </para>
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<para>shows the summary report through an output stream </para>
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<para>returns the summary report in a string </para>
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        <type>void</type>
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        <argsstring>()</argsstring>
        <name>clear</name>
        <qualifiedname>tf::TFProfObserver::clear</qualifiedname>
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<para>clears the timeline data </para>
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<para>queries the number of tasks observed </para>
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<para>queries the number of observed workers </para>
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<para>constructor-like method to call when the executor observer is fully created </para>
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<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>num_workers</parametername>
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<parameterdescription>
<para>the number of the worker threads in the executor </para>
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<para>method to call before a worker thread executes a closure </para>
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<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>wv</parametername>
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<parameterdescription>
<para>an immutable view of this worker thread </para>
</parameterdescription>
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<parameteritem>
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<parametername>task_view</parametername>
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<parameterdescription>
<para>a constant wrapper object to the task </para>
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<para>method to call after a worker thread executed a closure </para>
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<para><parameterlist kind="param"><parameteritem>
<parameternamelist>
<parametername>wv</parametername>
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<parameterdescription>
<para>an immutable view of this worker thread </para>
</parameterdescription>
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<parameteritem>
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<parametername>task_view</parametername>
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<parameterdescription>
<para>a constant wrapper object to the task </para>
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<para>class to create an observer based on the built-in taskflow profiler format </para>
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<para>A <ref refid="classtf_1_1TFProfObserver" kindref="compound">tf::TFProfObserver</ref> inherits <ref refid="classtf_1_1ObserverInterface" kindref="compound">tf::ObserverInterface</ref> and defines methods to dump the observed thread activities into a format that can be visualized through <ulink url="https://taskflow.github.io/tfprof/">Taskflow Profiler</ulink>.</para>
<para><programlisting filename=".cpp"><codeline><highlight class="normal"><ref refid="classtf_1_1Taskflow" kindref="compound">tf::Taskflow</ref><sp/>taskflow;</highlight></codeline>
<codeline><highlight class="normal"><ref refid="classtf_1_1Executor" kindref="compound">tf::Executor</ref><sp/>executor;</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="comment">//<sp/>insert<sp/>tasks<sp/>into<sp/>taskflow</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="comment">//<sp/>...</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><sp/><sp/></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="comment">//<sp/>create<sp/>a<sp/>custom<sp/>observer</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"><ref refid="cpp/memory/shared_ptr" kindref="compound" external="/Users/twhuang/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::shared_ptr&lt;tf::TFProfObserver&gt;</ref><sp/>observer<sp/>=<sp/>executor.<ref refid="classtf_1_1Executor_1aff77def96ae740d648dd84e571237c83" kindref="member">make_observer</ref>&lt;<ref refid="classtf_1_1TFProfObserver" kindref="compound">tf::TFProfObserver</ref>&gt;();</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="comment">//<sp/>run<sp/>the<sp/>taskflow</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal">executor.<ref refid="classtf_1_1Executor_1a519777f5783981d534e9e53b99712069" kindref="member">run</ref>(taskflow).wait();</highlight></codeline>
<codeline><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal"></highlight><highlight class="comment">//<sp/>dump<sp/>the<sp/>thread<sp/>activities<sp/>to<sp/>Taskflow<sp/>Profiler<sp/>format.</highlight><highlight class="normal"></highlight></codeline>
<codeline><highlight class="normal">observer-&gt;dump(<ref refid="cpp/io/basic_ostream" kindref="compound" external="/Users/twhuang/Code/taskflow/doxygen/cppreference-doxygen-web.tag.xml">std::cout</ref>);</highlight></codeline>
</programlisting> </para>
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