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| ## Background Info | |
| https://www.nuget.org/packages/Microsoft.Diagnostics.Runtime | |
| https://github.com/Microsoft/clrmd | |
| http://mattwarren.org/2018/06/15/Tools-for-Exploring-.NET-Internals/#tools-based-on-clr-memory-diagnostics-clrmd | |
| https://github.com/Microsoft/clrmd/blob/master/Documentation/GettingStarted.md | |
| ---- | |
| ``` csharp | |
| class Program | |
| { | |
| static void Main(string[] args) | |
| { | |
| Console.WriteLine("ClrMD Demo"); | |
| // https://github.com/Microsoft/clrmd/blob/master/Documentation/GettingStarted.md | |
| // https://github.com/Microsoft/clrmd/blob/master/Documentation/ClrRuntime.md | |
| var path = @"C:\Users\Owner\Downloads\__Matt__\HelloWorld.DMP"; | |
| using (DataTarget dataTarget = DataTarget.LoadCrashDump(path)) | |
| { | |
| EnumerateVersions(dataTarget.ClrVersions); | |
| ClrInfo runtimeInfo = dataTarget.ClrVersions[0]; // just using the first runtime | |
| ClrRuntime runtime = runtimeInfo.CreateRuntime(); | |
| // AppDomains | |
| Console.WriteLine("AppDomains:"); | |
| foreach (ClrAppDomain domain in runtime.AppDomains) | |
| { | |
| Console.WriteLine(" ID: {0}", domain.Id); | |
| Console.WriteLine(" Name: {0}", domain.Name); | |
| Console.WriteLine(" Address: {0}", domain.Address); | |
| } | |
| Console.WriteLine(""); | |
| // Walking the stack | |
| foreach (ClrThread thread in runtime.Threads) | |
| { | |
| if (!thread.IsAlive) | |
| continue; | |
| Console.WriteLine("Thread {0:X}:", thread.OSThreadId); | |
| foreach (ClrStackFrame frame in thread.StackTrace) | |
| Console.WriteLine("{0,12:X} {1,12:X} {2}", frame.StackPointer, frame.InstructionPointer, frame.ToString()); | |
| Console.WriteLine(); | |
| } | |
| // CLR Memory Regions | |
| foreach (var region in (from r in runtime.EnumerateMemoryRegions() | |
| where r.Type != ClrMemoryRegionType.ReservedGCSegment | |
| group r by r.Type into g | |
| let total = g.Sum(p => (uint)p.Size) | |
| orderby total descending | |
| select new | |
| { | |
| TotalSize = total, | |
| Count = g.Count(), | |
| Type = g.Key | |
| })) | |
| { | |
| Console.WriteLine("{0,6:n0} {1,12:n0} {2}", region.Count, region.TotalSize, region.Type.ToString()); | |
| } | |
| } | |
| } | |
| private static void EnumerateVersions(IList<ClrInfo> versions) | |
| { | |
| foreach (ClrInfo version in versions) | |
| { | |
| Console.WriteLine("Found CLR Version: " + version.Version.ToString()); | |
| // This is the data needed to request the dac from the symbol server: | |
| ModuleInfo dacInfo = version.DacInfo; | |
| Console.WriteLine("Filesize: {0:X}", dacInfo.FileSize); | |
| Console.WriteLine("Timestamp: {0:X}", dacInfo.TimeStamp); | |
| Console.WriteLine("Dac File: {0}", dacInfo.FileName); | |
| // If we just happen to have the correct dac file installed on the machine, | |
| // the "LocalMatchingDac" property will return its location on disk: | |
| string dacLocation = version.LocalMatchingDac; | |
| if (!string.IsNullOrEmpty(dacLocation)) | |
| Console.WriteLine("Local dac location: " + dacLocation); | |
| // You may also download the dac from the symbol server, which is covered | |
| // in a later section of this tutorial. | |
| } | |
| } | |
| } | |
| ``` | |
| ---- | |
| ## Challenges | |
| ## Useful Links |
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