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GetProcessMemoryInfo
#include <iostream>
#include <windows.h>
#include <psapi.h>
#pragma comment(lib,"psapi.lib")
using namespace std;
void showMemoryInfo(void)
{
HANDLE handle=GetCurrentProcess();
PROCESS_MEMORY_COUNTERS pmc;
GetProcessMemoryInfo(handle,&pmc,sizeof(pmc));
cout<<"内存使用:"<<pmc.WorkingSetSize/1024 <<"/"<<pmc.PeakWorkingSetSize/1024<<" + "<<pmc.PagefileUsage/1024 <<"/"<<pmc.PeakPagefileUsage/1024 <<""<<endl;
}
int _main(int argc,char* argv)
{
showMemoryInfo();
cout<<"回收所有可回收的内存"<<endl;
EmptyWorkingSet(GetCurrentProcess());
showMemoryInfo();
cout<<"开始动态分配内存"<<endl;
char* buf[5];
for(int i=0;i<sizeof(buf)/sizeof(char*);i++)
{
buf[i]=new char[102400];
showMemoryInfo();
}
cout<<"开始释放内存"<<endl;
for(int i=0;i<sizeof(buf)/sizeof(char*);i++)
{
delete buf[i];
buf[i]=NULL;
showMemoryInfo();
}
cout<<"回收所有可回收的内存"<<endl;
EmptyWorkingSet(GetCurrentProcess());
showMemoryInfo();
return 0;
}
#include <stdio.h>
#include <windows.h>
#include <TlHelp32.h>
int main(int argc,char **argv)
{
HANDLE handle;
handle = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if(handle == INVALID_HANDLE_VALUE)
{
printf("Gain snapshot falid\n");
return -1;
}
PROCESSENTRY32 pe;
pe.dwSize = sizeof(pe);
BOOL flag = Process32First(handle,&pe);
while(flag){
char buff[MAX_PATH];
sprintf(buff,"%i---------%s",pe.th32ProcessID,pe.szExeFile);
printf("%s\n",buff);
flag = Process32Next(handle,&pe);
}
return 0;
}