*** 34,10 *** --- 34,11 --- class PerfLongSampleHelper; class PerfLongConstant; class PerfLongCounter; class PerfLongVariable; class PerfStringVariable; + class PerfTickCounters; typedef PerfLongSampleHelper PerfSampleHelper; typedef PerfLongConstant PerfConstant; typedef PerfLongCounter PerfCounter; typedef PerfLongVariable PerfVariable;