Windows的な問題
スレ立てるまでも無い問題はここに。
メモリ情報の取得方法
NTカーネルの未公開APIを叩くと色々取れたりするらしい。
- NtQuerySystemInformation?()
- プロトタイプ宣言とかはPlatform SDKのwinternl.hあたりにあるらしい
#define SYSTEMCACHEINFORMATION 0x15 typedef struct { ULONG CurrentSize; ULONG PeakSize; ULONG PageFaultCount; ULONG MinimumWorkingSet; ULONG MaximumWorkingSet; ULONG Unused[4]; } SYSTEM_CACHE_INFORMATION;
SystemPerformanceInformation?(0x02)の方がイケてる? ULONG MmSystemCachePageという情報がある。 MSDNに記載はあるがSYSTEM_PERFORMANCE_INFORMATION構造体はopaque dataになっている。
typedef struct _SYSTEM_PERFORMANCE_INFORMATION { LARGE_INTEGER IdleTime; LARGE_INTEGER ReadTransferCount; LARGE_INTEGER WriteTransferCount; LARGE_INTEGER OtherTransferCount; ULONG ReadOperationCount; ULONG WriteOperationCount; ULONG OtherOperationCount; ULONG AvailablePages; ULONG TotalCommittedPages; ULONG TotalCommitLimit; ULONG PeakCommitment; ULONG PageFaults; ULONG WriteCopyFaults; ULONG TransitionFaults; ULONG CacheTransitionFaults; ULONG DemandZeroFaults; ULONG PagesRead; ULONG PageReadIos; ULONG CacheReads; ULONG CacheIos; ULONG PagefilePagesWritten; ULONG PagefilePageWriteIos; ULONG MappedFilePagesWritten; ULONG MappedFilePageWriteIos; ULONG PagedPoolUsage; ULONG NonPagedPoolUsage; ULONG PagedPoolAllocs; ULONG PagedPoolFrees; ULONG NonPagedPoolAllocs; ULONG NonPagedPoolFrees; ULONG TotalFreeSystemPtes; ULONG SystemCodePage; ULONG TotalSystemDriverPages; ULONG TotalSystemCodePages; ULONG SmallNonPagedLookasideListAllocateHits; ULONG SmallPagedLookasideListAllocateHits; ULONG Reserved3; ULONG MmSystemCachePage; ULONG PagedPoolPage; ULONG SystemDriverPage; ULONG FastReadNoWait; ULONG FastReadWait; ULONG FastReadResourceMiss; ULONG FastReadNotPossible; ULONG FastMdlReadNoWait; ULONG FastMdlReadWait; ULONG FastMdlReadResourceMiss; ULONG FastMdlReadNotPossible; ULONG MapDataNoWait; ULONG MapDataWait; ULONG MapDataNoWaitMiss; ULONG MapDataWaitMiss; ULONG PinMappedDataCount; ULONG PinReadNoWait; ULONG PinReadWait; ULONG PinReadNoWaitMiss; ULONG PinReadWaitMiss; ULONG CopyReadNoWait; ULONG CopyReadWait; ULONG CopyReadNoWaitMiss; ULONG CopyReadWaitMiss; ULONG MdlReadNoWait; ULONG MdlReadWait; ULONG MdlReadNoWaitMiss; ULONG MdlReadWaitMiss; ULONG ReadAheadIos; ULONG LazyWriteIos; ULONG LazyWritePages; ULONG DataFlushes; ULONG DataPages; ULONG ContextSwitches; ULONG FirstLevelTbFills; ULONG SecondLevelTbFills; ULONG SystemCalls; } SYSTEM_PERFORMANCE_INFORMATION, *PSYSTEM_PERFORMANCE_INFORMATION;
参考:
Last modified 18 years ago
Last modified on Apr 30, 2006, 1:33:11 PM