Knowledge Base Nr: 00169 memtrace.cpp - http://www.swe-kaiser.de

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Win32: globalen memory status abfragen und tracen
(nützlich zum finden von memory leaks die vom visual studio nicht gefunden werden)

  
void TRACEMEM2(const char* lpszText, bool bAll)
{
#ifdef _DEBUG
	const int DIV = 1024;
	char *divisor = "K";
	const int WIDTH = 10;

	MEMORYSTATUS stat;

	GlobalMemoryStatus (&stat);

	DWORD dwFree = stat.dwAvailPhys + stat.dwAvailPageFile;

	TRACE ("\n\nMEMTRACE: %s\nfree mem: %*ld free %sbytes\n", lpszText, WIDTH, dwFree/DIV, divisor);
    if(bAll)
    {
        TRACE ("\nThe MemoryStatus structure is %ld bytes long.\n",
		      stat.dwLength);
	    TRACE ("It should be %d.\n", sizeof (stat));
	    TRACE ("%ld percent of memory is in use.\n",
		      stat.dwMemoryLoad);
	    TRACE ("There are %*ld total %sbytes of physical memory.\n",
		      WIDTH, stat.dwTotalPhys/DIV, divisor);
	    TRACE ("There are %*ld free %sbytes of physical memory.\n",
		      WIDTH, stat.dwAvailPhys/DIV, divisor);
	    TRACE ("There are %*ld total %sbytes of paging file.\n",
		      WIDTH, stat.dwTotalPageFile/DIV, divisor);
	    TRACE ("There are %*ld free %sbytes of paging file.\n",
		      WIDTH, stat.dwAvailPageFile/DIV, divisor);
	    TRACE ("There are %*lx total %sbytes of virtual memory.\n",
		      WIDTH, stat.dwTotalVirtual/DIV, divisor);
	    TRACE ("There are %*lx free %sbytes of virtual memory.\n",
		      WIDTH, stat.dwAvailVirtual/DIV, divisor);
    }
#endif
}