private boolean isNotHotspotClass(String className){
  return (isShowHotspotClasses() || !(className.indexOf("[internal HotSpot]") >= 0));
}

private boolean isNotHotspotClass ( String className ) { return ( isShowHotspotClasses ( ) || ! ( className . indexOf ( "[internal HotSpot]" ) >= 0 ) ) ; }
check if the classname is an internal hotspot class
