//get all the info and pretty print it
            duration =
            //System.out.println("GcInfo CompositeType: " + info.getGcInfo().getCompositeType());
            //System.out.println("GcInfo MemoryUsageAfterGc: " + info.getGcInfo().getMemoryUsageAfterGc());
            //System.out.println("GcInfo MemoryUsageBeforeGc: " + info.getGcInfo().getMemoryUsageBeforeGc());

            //Get the information about each memory space, and pretty print it
            Map<String, MemoryUsage> membefore = info.getGcInfo().getMemoryUsageBeforeGc();
            Map<String, MemoryUsage> mem = info.getGcInfo().getMemoryUsageAfterGc();
            for (Entry<String, MemoryUsage> entry : mem.entrySet()) {
              String name = entry.getKey();
              MemoryUsage memdetail = entry.getValue();
              long memInit = memdetail.getInit();
              long memCommitted = memdetail.getCommitted();
              long memMax = memdetail.getMax();
              long memUsed = memdetail.getUsed();
              MemoryUsage before = membefore.get(name);
              long beforepercent = ((before.getUsed() * 1000L) / before.getCommitted());
              long percent = ((memUsed * 1000L) / before.getCommitted()); //>100% when it gets expanded

              System.out.print(name + (memCommitted == memMax ? "(fully expanded)" : "(still expandable)") + "used: " + (beforepercent / 10) + "." + (beforepercent % 10) + "%->" + (percent / 10) + "." + (percent % 10) + "%(" + ((memUsed / 1048576) + 1) + "MB) / ");
            }
            System.out.println();
            totalGcDuration += info.getGcInfo().getDuration();
            long percent = totalGcDuration * 1000L / info.getGcInfo().getEndTime();
            System.out.println("GC cumulated overhead " + (percent / 10) + "." + (percent % 10) + "%");