https://github.com/caozhiyuan/ClrProfiler.Trace

CoreCLR Profiler ILReWrite , Use To OpenTracing
https://github.com/caozhiyuan/ClrProfiler.Trace

apm ilrewrite

Last synced: about 1 month ago
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CoreCLR Profiler ILReWrite , Use To OpenTracing

• Host: GitHub
• URL: https://github.com/caozhiyuan/ClrProfiler.Trace
• Owner: caozhiyuan
• License: other
• Created: 2019-01-14T09:25:32.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2019-04-16T02:36:19.000Z (over 5 years ago)
• Last Synced: 2024-07-30T16:57:37.141Z (5 months ago)
• Topics: apm, ilrewrite
• Language: C++
• Homepage:
• Size: 2.05 MB
• Stars: 55
• Watchers: 5
• Forks: 20
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# CoreCLR Profiler ILReWrite

This sample shows il rewrite (open dev.cmd to develop)

1.hook il in premain assembly.customloadfrom(you profiler C# dll)

2.add try catch finally in to need trace method

## Prerequisites

* CoreCLR Repository (build from source) Dependencies

* Visual Studio 2017 (C++ Required) 

* CLang3.9 (Linux)

* Vcpkg (Windows Linux)

* [WiX Toolset 3.11.1](http://wixtoolset.org/releases/) to build Windows installer (msi)

* [WiX Toolset VS2017 Extension](https://marketplace.visualstudio.com/items?itemName=RobMensching.WixToolsetVisualStudio2017Extension)

  

  

## Building

### Build

#### windows 

```batch

git clone https://github.com/dotnet/coreclr.git

git clone https://github.com/caozhiyuan/ClrProfiler.Trace.git

cd ClrProfiler.Trace

powershell ./scripts/install-vcpkgs.ps1

set _VSWHERE="%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"

if exist %_VSWHERE% ( for /f "usebackq tokens=*" %i in (`%_VSWHERE% -latest -prerelease -property installationPath`) do set _VSPATH=%i)

call "%_VSPATH%\VC\Auxiliary\Build\vcvars64.bat" 

cd src\ClrProfiler

SET BuildArch=x64

SET BuildType=Debug

build

```

#### linux

```batch

git clone https://github.com/dotnet/coreclr.git

git clone https://github.com/caozhiyuan/ClrProfiler.Trace.git

git clone https://github.com/Microsoft/vcpkg.git

cd ~/vcpkg

./bootstrap-vcpkg.sh

./vcpkg install spdlog

cd ~/ClrProfiler.Trace/src/ClrProfiler

mkdir build

cd build 

cmake ..

make

```

### Setup

```batch

SET CORECLR_PROFILER={cf0d821e-299b-5307-a3d8-b283c03916dd}

SET CORECLR_ENABLE_PROFILING=1

SET CORECLR_PROFILER_PATH=%WorkDir%src\ClrProfiler\x64\Debug\ClrProfiler.dll

SET CORECLR_PROFILER_HOME=%WorkDir%src\ClrProfiler.Trace\bin\Debug\netstandard2.0

SET COR_PROFILER={af0d821e-299b-5307-a3d8-b283c03916dd}

SET COR_ENABLE_PROFILING=1

SET COR_PROFILER_PATH=%WorkDir%src\ClrProfiler\x64\Debug\ClrProfiler.dll

SET COR_PROFILER_HOME=%WorkDir%src\ClrProfiler.Trace\bin\Debug\net461

cd tools

Dll.Repack.cmd Debug 

: or Dll.Repack.cmd Release

download https://github.com/jaegertracing/jaeger/releases/download/v1.9.0/jaeger-1.9.0-windows-amd64.tar.gz

run jaeger-all-in-one.exe

run examples Samples.WebApi

open http://localhost:16686

```

## Notice

### About Async Method Trace

if use scope, you should startActive(false) and restore active scope at method end

it's important if you want get ActiveSpan, code like this :

``` C#

 public EndMethodDelegate BeforeWrappedMethod(TraceMethodInfo traceMethodInfo)

 {

     var dbCommand = (DbCommand)traceMethodInfo.InvocationTarget;

     var scope = _tracer.BuildSpan("mssql.command")

         .WithTag(Tags.SpanKind, Tags.SpanKindClient)

         .WithTag(Tags.Component, "SqlServer")

         .WithTag(Tags.DbInstance, dbCommand.Connection.ConnectionString)

         .WithTag(Tags.DbStatement, dbCommand.CommandText)

         .WithTag(TagMethod, traceMethodInfo.MethodBase.Name)

         .WithTag(TagIsAsync, true)

         .StartActive(false);

     traceMethodInfo.TraceContext = scope;

     return delegate (object returnValue, Exception ex)

     {

         DelegateHelper.AsyncMethodEnd(Leave, traceMethodInfo, ex, returnValue);

         // for async method , at method end restore active scope, important

         var tempScope = (IScope)traceMethodInfo.TraceContext;

         tempScope.Dispose();

     };

 }

 private void Leave(TraceMethodInfo traceMethodInfo, object ret, Exception ex)

 {

     var scope = (IScope)traceMethodInfo.TraceContext;

     if (ex != null)

     {

         scope.Span.SetException(ex);

     }

     scope.Span.Finish();

 }

```

## Help Links:

-------------

https://www.ecma-international.org/publications/files/ECMA-ST/ECMA-335.pdf

https://github.com/Microsoft/clr-samples

https://github.com/brian-reichle/MethodCheck

https://www.codeproject.com/articles/42655/%2fArticles%2f42655%2fNET-file-format-Signatures-under-the-hood-Part-2#LocalVarSig1.1

https://github.com/DataDog/dd-trace-dotnet