y ProfilerTrace {
        required sequence&lt;ProfilerResource&gt; resources;
        required sequence&lt;ProfilerFrame&gt; frames;
        required sequence&lt;ProfilerStack&gt; stacks;
        required sequence&lt;ProfilerSample&gt; samples;
      };
      </pre>
      <p>The <dfn>resources</dfn> attribute MUST return the <dfn>ProfilerResource</dfn> list set by the <a>take a sample</a> algorithm.</p>

      <p>The <dfn>frames</dfn> attribute MUST return the <a>ProfilerFrame</a> list set by the <a>take a