#include "driver/uptime.h" #include uint64_t Uptime::get_s() { struct timespec ts; clock_gettime(CLOCK_REALTIME, &ts); return ts.tv_sec; } uint64_t Uptime::get_us() { struct timespec ts; clock_gettime(CLOCK_REALTIME, &ts); return ts.tv_nsec / 1000; } uint64_t Uptime::get_cycles() { struct timespec ts; clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); return ts.tv_nsec; } Uptime uptime;