输入滞后测试仪

我创建了一个简单的程序，应该能够测试输入延迟。

我的意思是，从你的电脑发送到屏幕的内容到你按下与之相关的键之间的延迟。这是用于测试在线第一人称射击游戏的设置。

该程序的工作原理是以特定的节奏将控制台窗口闪烁为黑白，并要求用户按空格键或任何其他键。它使用getch来确定按键的时间，并使用OpenMP运行与闪烁控制台并行处理getch的功能。

这是否可以作为一个基本的、免费的输入滞后测试，或者如果不是，我应该怎么做才能做到这一点？

//Fdisk's input lag tester
#include <omp.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <stdlib.h>
#include <conio.h>
using namespace std;
//My global variables. My functions run in parallel so it's easier to use global variables here.
    int i=0;
    long int outp[11];
    long int inpu[11];
//This function takes the input
int inputfunc() {
while(i<11) {
    getch();  //Takes the key input
    inpu[i]=clock(); //Marks the time the key was pressed
    if(inpu[i]-outp[i]>=0 && inpu[i]-outp[i]<5000) //Checks if result is valid
    i++; //Moves the program along so it doesn't blink for eternity
}
return 0;
}
//This function causes the screen to change color
int outputfunc() {
while(i<11) {
    system("color F0"); //Changes screen to white
    outp[i]=clock(); //Marks the time when screen became white
    usleep(400000); //Pause a bit here
    system("color 0F"); //Make the screen black again
    usleep(400000); //Pause again
}
return 0;
}
int main() {
    printf("Fdisk's Input Lag TesternnPress any key when the screen flashes WHITE.     Let it flash a few times before pressing anything, so you can get used to the     rhythm. Using the spacebar is recommended. Be as precise as possible with what you     see on screen. A multicore or multithreading processor is required.n");
    system("pause"); //Sorry my coding is bad
    system("cls"); //Again
 #pragma omp parallel sections //Parallel sections, these run in parallel on a dual core or dual threading machine
 {
     #pragma omp section
     {
         outputfunc(); //The output function, changes the screen's color
     }
     #pragma omp section
     {
         inputfunc();  //The input functions, waits for keypresses
     }
 }
 long int x;
 for(i=0;i<11;i++) {
x=x+(inpu[i]-outp[i]); //Difference between input and output=latency. This adds them up so we can take a mean value.
}
 x=x/11; //This takes the mean value
 x=x*(1000/CLOCKS_PER_SEC); //I think clock is always set to milliseconds but in case it's not
 printf("Your input latency: %imsn",x); //Gives the input latency to the user
 system("pause"); //Pauses the program so it doesn't exit in case not running it from a command line
 usleep(10000000); //Prevents someone from mindlessly pressing space to exit
 system("pause"); //Another redundancy to prevent accidental quitting
 }