#include #include #include "util.h" #include "mmio.h" #define MTIME_ADDR 0x0200bff8L int main(void) { unsigned long cycle; unsigned long time; do { time = reg_read64(MTIME_ADDR); } while (time < 100); cycle = rdcycle(); printf("%ld cycles per jiffy\n", cycle / time); return 0; }