58     static void GetTime(timespec &start);
59     static uint32_t TimeElapse(const timespec &start);
60     static void TimeElapse(const timespec &start, const timespec &end);
61     static long TimeElapseUs(const timespec &start, const timespec &end);
65 inline void TimeUtil::GetTime(timespec &start)  in GetTime()  argument
67     if (clock_gettime(CLOCK_MONOTONIC, &start) == -1) {  in GetTime()
72 inline uint32_t TimeUtil::TimeElapse(const timespec &start)  in TimeElapse()  argument
79     return (current.tv_sec > start.tv_sec) ? (current.tv_sec - start.tv_sec) : 0;  in TimeElapse()
82 inline void TimeUtil::TimeElapse(const timespec &start, const timespec &end)  in TimeElapse()  argument
84     long secs = end.tv_sec - start.tv_sec;  in TimeElapse()
93 inline long TimeUtil::TimeElapseUs(const timespec &start, const timespec &end)  in TimeElapseUs()  argument
95 …long usecs = MS_PER_US * S_PER_MS * (end.tv_sec - start.tv_sec) + (end.tv_nsec - start.tv_nsec) / …  in TimeElapseUs()