title: Android systrace is not working
body: <p>I am using Systrace to  analyze the performance of app.  </p>
  
  <p>I tried following command,  </p>
  
  <pre><code>python systrace.py --time=10 -o mynewtrace.html sched gfx view wm  
  </code></pre>
  
  <p>But getting following error,  </p>
  
  <pre><code>E:\sdk\android-sdk\platform-tools\systrace&gt;python systrace.py --time=10 -o mynew
  trace.html sched gfx view wm
  Traceback (most recent call last):
    File "systrace.py", line 286, in &lt;module&gt;
      main()
    File "systrace.py", line 60, in main
      device_sdk_version = get_device_sdk_version()
    File "systrace.py", line 44, in get_device_sdk_version
      stderr=subprocess.PIPE)
    File "E:\sdk\android-sdk\platform-tools\systrace\lib\subprocess.py", line 710,
   in __init__
      errread, errwrite)
    File "E:\sdk\android-sdk\platform-tools\systrace\lib\subprocess.py", line 958,
   in _execute_child
      startupinfo)
  WindowsError: [Error 2] The system cannot find the file specified    
  </code></pre>
  
  <p>I am using <strong>Kitkat</strong> on <strong>Moto e device</strong> with <strong>python 2.7</strong>.</p>