C语言查看内存调用

#include "stdafx.h"#include <cstring>#include <Windows.h>#include <psapi.h>#pragma comment(lib,"psapi.lib")typedef long long int64_t; typedef unsigned long long uint64_t;int get_memory_usage(uint64_t* mem, uint64_t* vmem) { PROCESS_MEMORY_COUNTERS pmc; if(GetProcessMemoryInfo(GetCurrentProcess(), &pmc, sizeof(pmc))) { if(mem) *mem = pmc.WorkingSetSize; if(vmem) *vmem = pmc.PagefileUsage; return 0; } return -1; } int main(int argc, char* argv[]){time_t timeBegin,timeEnd;//测试时间uint64_t mem, vmem, r, w; //测试内存占用率int oriSize;//源数据大小int memSize;//内存大小float times;

//程序运行代码

get_memory_usage(&mem, &vmem); oriSize=lengthOfdata/(1024*512);memSize=mem/(1024*1024);times=float(memSize)/oriSize;printf("内存使用: %u 字节\n", mem); printf("虚拟内存使用: %u 字节\n", vmem);printf("原始数据大小%d MB\n",oriSize);printf("内存使用：%d MB\n",memSize);printf("倍数 %.2f \n",times);return 0;}}