LttCycleCount pre_cycle_count; //previous cycle count of the event
int count; //the number of overflow of cycle count
gint64 overflow_nsec; //precalculated nsec for overflows
LttCycleCount pre_cycle_count; //previous cycle count of the event
int count; //the number of overflow of cycle count
gint64 overflow_nsec; //precalculated nsec for overflows