89 lines
1.6 KiB
C++
Executable File
89 lines
1.6 KiB
C++
Executable File
/*
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Description: 用来统计程序段执行的时间，测试用
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Copyright : All right reserved by ICT
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Author : Zhang Zhonghai
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Date : 2019/01/30
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*/
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#include "timer.h"
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#include <stdlib.h>
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#include <sys/time.h>
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#include <time.h>
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#include <stdio.h>
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/*
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* class Timer implementation
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*/
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double Timer::mseconds_elapsed() {
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return (get_mseconds() -start_);
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}
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double Timer::seconds_elapsed() {
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return (mseconds_elapsed() / 1000);
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}
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void Timer::reinit() {
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start_ = get_mseconds();
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}
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void Timer::reinit_acc() {
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acc_count_ = 0.0;
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}
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void Timer::acc_start() {
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acc_start_ = get_mseconds();
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}
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void Timer::acc_end() {
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acc_count_ += get_mseconds() - acc_start_;
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}
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double Timer::acc_mseconds_elapsed() {
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return acc_count_;
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}
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double Timer::acc_seconds_elapsed() {
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return acc_count_ / 1000;
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}
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void Timer::log_time(const char *desc) {
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printf("[%s] ", desc);
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print_current_time();
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}
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void Timer::print_current_time() {
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time_t time_val;
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struct tm *at;
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char now[80];
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time(&time_val);
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at = localtime(&time_val);
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strftime(now, 79, "%Y-%m-%d %H:%M:%S", at);
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puts(now);
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}
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string Timer::get_current_time_str() {
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time_t time_val;
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struct tm *at;
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char now[80];
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time(&time_val);
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at = localtime(&time_val);
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strftime(now, 79, "%B %d, %Y at %I:%M:%S %p %Z", at);
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return string(now);
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}
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double Timer::get_mseconds() {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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return (double) 1000 * (tv.tv_sec + ((1e-6) * tv.tv_usec));
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}
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double Timer::get_seconds() {
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return 1000 * get_mseconds();
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}
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/********** end of Timer implementation *************/
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