C++ (Cpp) timeval_usec示例

示例#1

文件： clocks.c 项目： dvigne/netdata

inline susec_t dt_usec_signed(struct timeval *now, struct timeval *old) {
    usec_t ts1 = timeval_usec(now);
    usec_t ts2 = timeval_usec(old);

    if(likely(ts1 >= ts2)) return (susec_t)(ts1 - ts2);
    return -((susec_t)(ts2 - ts1));
}

示例#2

文件： common.c 项目： johan--/netdata

inline unsigned long long usec_dt(struct timeval *now, struct timeval *old) {
    unsigned long long tv1 = timeval_usec(now);
    unsigned long long tv2 = timeval_usec(old);
    return (tv1 > tv2) ? (tv1 - tv2) : (tv2 - tv1);
}

示例#3

文件： common.c 项目： johan--/netdata

// time(NULL) in nanoseconds
inline unsigned long long time_usec(void) {
    struct timeval now;
    gettimeofday(&now, NULL);
    return timeval_usec(&now);
}

示例#4

文件： clocks.c 项目： dvigne/netdata

inline usec_t dt_usec(struct timeval *now, struct timeval *old) {
    usec_t ts1 = timeval_usec(now);
    usec_t ts2 = timeval_usec(old);
    return (ts1 > ts2) ? (ts1 - ts2) : (ts2 - ts1);
}