in knative-build/runtimes/java/core/java8/proxy/src/main/java/org/apache/openwhisk/runtime/java/action/Debug.java [62:86]
private static String formatMessage(String prefix, String message, long startTime){
StringBuilder sb = new StringBuilder();
sb.append(prefixFGColor);
sb.append(prefix);
sb.append("[");
sb.append(METHOD);
sb.append("] ");
sb.append(bodyFGColor);
sb.append(message);
sb.append(postfixFGColor);
// append method elapsed time
sb.append("time (");
sb.append((currentTime)/NANO);
sb.append(" msec)");
if(startTime >= 0){
sb.append(" elapsed (");
sb.append((currentTime-startTime)/NANO);
sb.append(" msec)");
}
sb.append(defaultFGColor);
return sb.toString();
}