我正在编写一些用于教育目的的代码,我希望能够从用 C++ 编写的 Windows 控制台程序中打印这些内存使用值。
花了一些时间从这些链接中获取我想要的内容,但它就是这样。 (大部分困难是让它在 Mingw32 中工作。)
// -*- compile-command:"g++ mem.cpp -lpsapi -g -o mem.exe"; -*-
// Shows the memory: private bytes, working set and virtual size for a process
#include <windows.h>
#include <stdio.h>
#include <psapi.h>
// MingW32 doesn't have this struct in psapi.h
typedef struct _PROCESS_MEMORY_COUNTERS_EX {
DWORD cb;
DWORD PageFaultCount;
SIZE_T PeakWorkingSetSize;
SIZE_T WorkingSetSize;
SIZE_T QuotaPeakPagedPoolUsage;
SIZE_T QuotaPagedPoolUsage;
SIZE_T QuotaPeakNonPagedPoolUsage;
SIZE_T QuotaNonPagedPoolUsage;
SIZE_T PagefileUsage;
SIZE_T PeakPagefileUsage;
SIZE_T PrivateUsage;
}PROCESS_MEMORY_COUNTERS_EX, *PPROCESS_MEMORY_COUNTERS_EX;
void PrintMemoryInfo( DWORD processID )
{
HANDLE hProcess;
PROCESS_MEMORY_COUNTERS_EX pmc;
// Print the process identifier.
printf( "\nProcess ID: %u\n", processID );
// Print information about the memory usage of the process.
hProcess = OpenProcess( PROCESS_QUERY_INFORMATION |
PROCESS_VM_READ,
FALSE, processID );
if (NULL == hProcess)
return;
if ( GetProcessMemoryInfo( hProcess, (PROCESS_MEMORY_COUNTERS *) &pmc, sizeof(pmc)) )
{
printf( "\tWorkingSetSize: %u\n", pmc.WorkingSetSize );
printf( "\tPrivate Bytes: %u\n", pmc.PrivateUsage );
printf( "\tPagefile (peak): %u (%u)\n", pmc.PagefileUsage, pmc.PeakPagefileUsage );
}
CloseHandle( hProcess );
}
int main()
{
DWORD id = GetCurrentProcessId();
PrintMemoryInfo(id);
return 0;
}
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