276 lines
12 KiB
C#
276 lines
12 KiB
C#
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// File: Monitoring.cs
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//
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// Note: Provides a little bit more sophisticated runtime monitoring (i.e.,
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// writing and reading events will be possible concurrently at runtime)
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// facility for performance and other debugging
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//
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//
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using System;
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using System.Diagnostics;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using Microsoft.Singularity;
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using Microsoft.Singularity.Memory;
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namespace Microsoft.Singularity
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{
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[NoCCtor]
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[CLSCompliant(false)]
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public class Monitoring
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{
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public struct LogEntry
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{
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ulong cycleCount; // bytes 0..7
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public UIntPtr eip; // bytes 8..11
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ushort threadId; // bytes 12..13
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ushort processId; // bytes 14..15
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ushort provider; // bytes 16..17
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ushort type; // bytes 18..19
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public unsafe byte * text; // bytes 20..23
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ushort cpu; // bytes 24..25
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public ushort version; // bytes 26..27
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public UIntPtr arg0; // bytes 28..31
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public UIntPtr arg1; // bytes 32..35
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public UIntPtr arg2; // bytes 36..38
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public UIntPtr arg3; // bytes 40..43
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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public UIntPtr arg4; // bytes 44..47
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}
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// This does not work, probably a Bartok problem
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// [AccessedByRuntime("referenced from Monitoring.cpp")]
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// public struct IndexEntry
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// {
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// [AccessedByRuntime("referenced from Monitoring.cpp")]
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// public /*volatile*/ ulong data; // bytes 0..7
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// }
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// Note: These fields are initialized by the code in Monitoring.cpp.
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//
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[AccessedByRuntime("referenced from Monitoring.cpp")]
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private static unsafe byte * buffer;
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//
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// End Note.
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern void Initialize();
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#if SINGULARITY_KERNEL
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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private static unsafe void InitPages(UIntPtr bytes)
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{
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UIntPtr pages = MemoryManager.PagesFromBytes(
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MemoryManager.PagePad(bytes));
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buffer = (byte *)MemoryManager.KernelAllocate(
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pages, null, 0, System.GCs.PageType.NonGC).ToPointer();
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}
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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private static unsafe UIntPtr InitText(UIntPtr bytes)
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{
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UIntPtr pages = MemoryManager.PagesFromBytes(
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MemoryManager.PagePad(bytes));
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return MemoryManager.KernelAllocate(
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pages, null, 0, System.GCs.PageType.NonGC);
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}
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#endif
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static extern void Finalize();
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern byte *
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CompareExchange(byte **dest, byte *exch, byte *comp);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern LogEntry *
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CompareExchange(LogEntry **dest, LogEntry *exch, LogEntry *comp);
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public static unsafe void GetMonitoringHeaders(out byte * _buffer)
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{
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_buffer = buffer;
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}
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern LogEntry * IndexToPointer(ushort index);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern ushort Dequeue();
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern void Enqueue(ushort newElement);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern void Enqueue(ushort newElement,
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ulong * ptr);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(64)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern byte * AddText(byte *buffer, string arg);
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/* Well-known provider IDs */
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public struct Provider
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{
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public const ushort SysInfo = 1;
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public const ushort Cassini = 3;
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public const ushort Shell = 5;
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public const ushort Endpoint = 8;
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public const ushort ChannelService = 9;
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public const ushort WaitHandle = 10;
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public const ushort AutoResetEvent = 11;
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public const ushort Mutex = 12;
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public const ushort ManualResetEvent = 13;
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public const ushort EndpointCore = 14;
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public const ushort Process = 19;
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public const ushort Thread = 20;
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public const ushort DiskIo = 21;
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public const ushort WebServer = 22; // Not Cassini
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public const ushort Directory = 23; // see Windows\ETS\Directory.tmf
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public const ushort GC = 25;
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public const ushort Iso9660 = 26;
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public const ushort Processor = 30;
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}
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[Conditional("Monitoring")]
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(128)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern void Log(ushort provider, ushort type,
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ushort version, uint a0, uint a1,
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uint a2, uint a3, uint a4);
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[Conditional("Monitoring")]
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(128)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern void Log(ushort provider, ushort type);
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[Conditional("Monitoring")]
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(128)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern void Log(ushort provider, ushort type,
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string s);
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/* \brief Return one LogEntry to caller
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* \param min_counter minimum event counter to read event for, will be
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* modified and contains the actually read event in
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* it after return
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* \param log log entry to be filled
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*/
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public static unsafe int GetEntry(ref ulong min_counter,
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out LogEntry log)
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{
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int ret;
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fixed (LogEntry * pl = &log)
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{
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fixed (ulong * pm = &min_counter)
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{
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ret = FillLogEntry(pl, pm);
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}
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}
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return ret;
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}
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/* \brief Return text part for log entry
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* \param src where to get the data from
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* \param counter counter to expect at start of src
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* \param dst where to copy the byte array to
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* \param max_size copy max_size bytes at max
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*/
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public static unsafe int GetText(byte * src, ulong counter, byte * dst,
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int max_size)
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{
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int ret;
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ret = FillTextEntry(src, counter, dst, max_size);
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return ret;
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}
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(128)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern int FillLogEntry(LogEntry * log,
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ulong * min_counter);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(128)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern int
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FillTextEntry(byte * src, ulong counter, byte * dst, int max_size);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(32)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern bool isActive();
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(32)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern void setActive(bool active);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern
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void DebugTest(out ulong h_ts, out ulong t_ts, out ulong min,
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out ulong max);
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[MethodImpl(MethodImplOptions.InternalCall)]
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public static unsafe extern uint ConsistencyCheck();
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/*
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[AccessedByRuntime("output to header : defined in Monitoring.cpp")]
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[StackBound(128)]
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[MethodImpl(MethodImplOptions.InternalCall)]
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private static unsafe extern LogEntry * CreateLog(byte severity,
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UIntPtr eip,
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int chars,
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out byte *text);
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*/
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}
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}
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