title: what is "am_pss" in android event_log
body: <p>what is the below log means for?</p>
  
  <pre><code>01-01 00:51:58.596157   994  1077 I am_pss  : [994,1000,system,96750592,90464256]
  </code></pre>
  
  <p>I'd appreciate who can help clarify this. highly thanks for your help.</p>