操作系统内存使用统计原代码.doc

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1、//Memory.cpp:Definestheentrypointfortheconsoleapplication.//#include"stdafx.h"#include"Memory.h"#ifdef_DEBUG#definenewDEBUG_NEW#undefTHIS_FILEstaticcharTHIS_FILE[]=__FILE__;#endifvoidGetMemSta(void);///////////////////////////////////////////////////////////////////////////////Theoneandonlyappl

2、icationobjectCWinApptheApp;usingnamespacestd;int_tmain(intargc,TCHAR*argv[],TCHAR*envp[]){intnRetCode=0;LPVOIDBaseAddr;char*str;GetMemSta();printf("NowAllocate32MVirtualMemoryand2MPhysicalMemory");BaseAddr=VirtualAlloc(NULL,1024*1024*32,MEM_RESERVE

3、MEM_COMMIT,PAGE_READWRITE);if(BaseAddr==NU

4、LL)printf("VirtualAllocateFail");str=(char*)malloc(1024*1024*2);GetMemSta();printf("NowRelease32MVirtualMemoryand2MphysicalMemory");if(VirtualFree(BaseAddr,0,MEM_RELEASE)==0)printf("ReleaseAllocateFail");free(str);GetMemSta();returnnRetCode;}voidGetMemSta(void){MEMORYSTATUSMemInfo;Globa

5、lMemoryStatus(&MemInfo);printf("CurrentMemoryStatusis:",MemInfo.dwTotalPhys/(1024*1024));printf("tTotalPhysicalMemoryis:",MemInfo.dwAvailPhys/(1024*1024));printf("tAvailablePhysiaclMeoryis:",MemInfo.dwTotalPageFile/(1024*1024));printf("tTotalPageFileis%dMB",MemInfo.dwTotalPageFile/(1024*

6、1024));printf("tAvailablePageFileis%dMB",MemInfo.dwTotalVirtual/(1024*1024));printf("tTotalVirtualmemoryis%dMB",MemInfo.dwTotalVirtual/(1024*1024));printf("tAvailableVirtualmenmoryis%dMB",MemInfo.dwAvailVirtual/(1024*1024));printf("tMeomoryLoadis%d%d",MemInfo.dwMemoryLoad/(1024*102

7、4));}