Report.report(3, Thread.currentThread() + " adding clocks " + clocks + " to " + this);
Report.report(3, PoolRunner.logString() + " adding clocks " + clocks + " to " + this);
    public Activity( List clocks) {    	if (! clocks.isEmpty()) {    		if (Report.should_report("activity", 3)) {    			Report.report(3, Thread.currentThread() + " adding clocks " + clocks + " to " + this);    		}    	}    	this.clocks_ = clocks;    }