uint8_t alignment; /* Event header alignment */
uint8_t tsc_lsb_truncate;
uint8_t tscbits;
+ uint8_t compact_data_shift;
uint32_t freq_scale;
uint64_t start_freq;
uint64_t start_tsc;
uint8_t tsc_lsb_truncate;
uint8_t tscbits;
uint8_t tsc_msb_cutoff;
+ uint8_t compact_event_bits;
uint64_t tsc_mask;
uint64_t tsc_mask_next_bit; //next MSB after the mask