Changeset 121 for trunk/MacFaceLibrary/MemoryStatisticsNtQuerySystemInformation.cs

Timestamp:

Feb 18, 2009, 11:57:31 PM (15 years ago)

Author:

rryu

Message:

NtQuerySystemInformation周りの実装をNtKernelクラスとしてまとめてみた。

File:

• trunk/MacFaceLibrary/MemoryStatisticsNtQuerySystemInformation.cs (modified) (2 diffs)

trunk/MacFaceLibrary/MemoryStatisticsNtQuerySystemInformation.cs

@@ -31 +31 @@
                 protected override MemoryUsage NextValue()
                 {
-                        Unmanaged.SYSTEM_PERFORMANCE_INFORMATION sysPerfInfo = new MacFace.MemoryStatisticsNtQuerySystemInformation.Unmanaged.SYSTEM_PERFORMANCE_INFORMATION();
-                        Int32 sysInfoLen = Marshal.SizeOf(typeof(Unmanaged.SYSTEM_PERFORMANCE_INFORMATION));
-                        UInt32 retLen;
-
-                        Unmanaged.NtQuerySystemInformation(Unmanaged.SYSTEM_INFORMATION_CLASS.SystemPerformanceInformation,
-                                out sysPerfInfo,
-                                (UInt32)sysInfoLen,
-                                out retLen);
+            NtKernel.SYSTEM_PERFORMANCE_INFORMATION sysPerfInfo = NtKernel.QuerySystemPerformanceInformation();
 
                         UInt32 pageSize = 4096;
@@ -61 +54 @@
                                 (UInt64)sysPerfInfo.SystemCodePage * pageSize);
                 }
-
-                private class Unmanaged
-                {
-                        public enum SYSTEM_INFORMATION_CLASS
-                        {
-                                SystemBasicInformation = 0,
-                                SystemPerformanceInformation = 2,
-                                SystemTimeOfDayInformation = 3,
-                                SystemProcessInformation = 5,
-                                SystemProcessorPerformanceInformation = 8,
-                                SystemInterruptInformation = 23,
-                                SystemExceptionInformation = 33,
-                                SystemRegistryQuotaInformation = 37,
-                                SystemLookasideInformation = 45
-                        }
-
-                        [StructLayout(LayoutKind.Sequential)]
-                        public struct SYSTEM_PERFORMANCE_INFORMATION 
-                        {
-                                public Int64  IdleTime;
-                                public Int64  ReadTransferCount;
-                                public Int64  WriteTransferCount;
-                                public Int64  OtherTransferCount;
-                                public UInt32 ReadOperationCount;
-                                public UInt32 WriteOperationCount;
-                                public UInt32 OtherOperationCount;
-                                public UInt32 AvailablePages;
-                                public UInt32 TotalCommittedPages;
-                                public UInt32 TotalCommitLimit;
-                                public UInt32 PeakCommitment;
-                                public UInt32 PageFaults;
-                                public UInt32 WriteCopyFaults;
-                                public UInt32 TransitionFaults;
-                                public UInt32 CacheTransitionFaults;
-                                public UInt32 DemandZeroFaults;
-                                public UInt32 PagesRead;
-                                public UInt32 PageReadIos;
-                                public UInt32 CacheReads;
-                                public UInt32 CacheIos;
-                                public UInt32 PagefilePagesWritten;
-                                public UInt32 PagefilePageWriteIos;
-                                public UInt32 MappedFilePagesWritten;
-                                public UInt32 MappedFilePageWriteIos;
-                                public UInt32 PagedPoolUsage;
-                                public UInt32 NonPagedPoolUsage;
-                                public UInt32 PagedPoolAllocs;
-                                public UInt32 PagedPoolFrees;
-                                public UInt32 NonPagedPoolAllocs;
-                                public UInt32 NonPagedPoolFrees;
-                                public UInt32 TotalFreeSystemPtes;
-                                public UInt32 SystemCodePage;
-                                public UInt32 TotalSystemDriverPages;
-                                public UInt32 TotalSystemCodePages;
-                                public UInt32 SmallNonPagedLookasideListAllocateHits;
-                                public UInt32 SmallPagedLookasideListAllocateHits;
-                                public UInt32 Reserved3;
-                                public UInt32 MmSystemCachePage;
-                                public UInt32 PagedPoolPage;
-                                public UInt32 SystemDriverPage;
-                                public UInt32 FastReadNoWait;
-                                public UInt32 FastReadWait;
-                                public UInt32 FastReadResourceMiss;
-                                public UInt32 FastReadNotPossible;
-                                public UInt32 FastMdlReadNoWait;
-                                public UInt32 FastMdlReadWait;
-                                public UInt32 FastMdlReadResourceMiss;
-                                public UInt32 FastMdlReadNotPossible;
-                                public UInt32 MapDataNoWait;
-                                public UInt32 MapDataWait;
-                                public UInt32 MapDataNoWaitMiss;
-                                public UInt32 MapDataWaitMiss;
-                                public UInt32 PinMappedDataCount;
-                                public UInt32 PinReadNoWait;
-                                public UInt32 PinReadWait;
-                                public UInt32 PinReadNoWaitMiss;
-                                public UInt32 PinReadWaitMiss;
-                                public UInt32 CopyReadNoWait;
-                                public UInt32 CopyReadWait;
-                                public UInt32 CopyReadNoWaitMiss;
-                                public UInt32 CopyReadWaitMiss;
-                                public UInt32 MdlReadNoWait;
-                                public UInt32 MdlReadWait;
-                                public UInt32 MdlReadNoWaitMiss;
-                                public UInt32 MdlReadWaitMiss;
-                                public UInt32 ReadAheadIos;
-                                public UInt32 LazyWriteIos;
-                                public UInt32 LazyWritePages;
-                                public UInt32 DataFlushes;
-                                public UInt32 DataPages;
-                                public UInt32 ContextSwitches;
-                                public UInt32 FirstLevelTbFills;
-                                public UInt32 SecondLevelTbFills;
-                                public UInt32 SystemCalls;
-                        }
-
-                        [DllImport("ntdll.dll")]
-                        public extern static UInt32 NtQuerySystemInformation(
-                                SYSTEM_INFORMATION_CLASS SystemInformationClass,
-                                out SYSTEM_PERFORMANCE_INFORMATION SystemInformation,
-                                UInt32 SystemInformationLength,
-                                out UInt32 ReturnLength
-                                );
-                }
-
         }
 }