uint64_t scrub_max; /* Checkpoint scrub time min/max */
    uint64_t scrub_min;
    uint64_t scrub_recent; /* Checkpoint scrub time recent/total */
    uint64_t scrub_total;

    uint64_t prep_max; /* Checkpoint prepare time min/max */
    uint64_t prep_min;
    uint64_t prep_recent; /* Checkpoint prepare time recent/total */
    uint64_t prep_total;
    uint64_t time_max; /* Checkpoint time min/max */
    uint64_t time_min;
    uint64_t time_recent; /* Checkpoint time recent/total */
    uint64_t time_total;

    /* Checkpoint stats and verbosity timers */
    struct timespec prep_end;
    struct timespec prep_start;
    struct timespec timer_start;
    struct timespec timer_scrub_end;