title: Trace OpenGL calls doesn't work
body: <p>I am analyzing the GPU performance on Android. I know the 'trace opengl calls' tools in Android device monitor.</p>
  
  <p><a href="https://developer.android.com/studio/profile/gltracer.html" rel="nofollow noreferrer">https://developer.android.com/studio/profile/gltracer.html</a></p>
  
  <p>However, when I click trace here,
  <a href="https://i.stack.imgur.com/2tTd8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/2tTd8.png" alt="enter image description here"></a></p>
  
  <p>nothing happens.</p>
  
  <p>Can anybody tell me what I have to do to get those traces?</p>
  
  <p>more details,</p>
  
  <p>Android Device Monitor
  Version: 25.2.2 </p>
  
  <p>Android Studio
  Version: 2.3.3</p>