question: returns the time when the ui thread froze , in milliseconds since january 1 , 1970 utc . concode_field_sep long totalDuration concode_elem_sep boolean isStillRunning concode_elem_sep boolean isStarvedAwake concode_elem_sep boolean isStarvedAsleep concode_elem_sep StackSample[] stackTraceSamples concode_elem_sep long startTimestamp concode_field_sep boolean isStillRunning concode_elem_sep long getTotalDuration concode_elem_sep boolean isStarvedAwake concode_elem_sep boolean isStarvedAsleep concode_elem_sep String toString concode_elem_sep StackSample[] getStackTraceSamples
target: long function ( ) { return startTimestamp ; }