stats_time       2001 src/dps8/dps8_cpu.c     static struct timespec stats_time;
stats_time       2006 src/dps8/dps8_cpu.c         clock_gettime (CLOCK_BOOTTIME, & stats_time);
stats_time       2013 src/dps8/dps8_cpu.c         timespec_diff (& stats_time, & now, & delta);
stats_time       2014 src/dps8/dps8_cpu.c         stats_time = now;