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[Profiler] Generate reference chain #8225

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[Profiler] Generate reference chain #8225

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e9b0e05
First try
chrisnas Feb 20, 2026
d1ef6e7
Cleanup code
chrisnas Feb 20, 2026
1b8f20c
Merge remote-tracking branch 'origin' into chrisnas/reference_chain
chrisnas Feb 20, 2026
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3 changes: 2 additions & 1 deletion profiler/src/Demos/Samples.Computer01/AppDomainCrash.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -47,8 +47,9 @@ private static void Worker()
// Use the exception profiler to capture callstack
throw new CatException("Fluff");
}
catch // just swallow
catch
{
// just swallow
}
}

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20 changes: 20 additions & 0 deletions profiler/src/Demos/Samples.Computer01/ComputerService.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ public class ComputerService
#if NETFRAMEWORK
private AppDomainCrash _appDomainCrash;
#endif
private ReferenceChainScenarios _referenceChainScenarios;

public void StartService(Scenario scenario, int nbThreads, int parameter)
{
Expand Down Expand Up @@ -206,6 +207,11 @@ public void StartService(Scenario scenario, int nbThreads, int parameter)
break;
#endif

case Scenario.ReferenceChain:
_referenceChainScenarios = new ReferenceChainScenarios(parameter);
_referenceChainScenarios.Start();
break;

default:
throw new ArgumentOutOfRangeException(nameof(scenario), $"Unsupported scenario #{_scenario}");
}
Expand Down Expand Up @@ -349,6 +355,10 @@ public void StopService()
_appDomainCrash.Stop();
break;
#endif

case Scenario.ReferenceChain:
_referenceChainScenarios.Stop();
break;
}
}

Expand Down Expand Up @@ -493,6 +503,10 @@ public void Run(Scenario scenario, int iterations, int nbThreads, int parameter)
RunAppDomainCrash(parameter);
break;
#endif
case Scenario.ReferenceChain:
RunReferenceChain(parameter);
break;

default:
throw new ArgumentOutOfRangeException(nameof(scenario), $"Unsupported scenario #{_scenario}");
}
Expand Down Expand Up @@ -1030,6 +1044,12 @@ private void RunAppDomainCrash(int nbAppDomains)
}
#endif

private void RunReferenceChain(int scenarioNumber)
{
var test = new ReferenceChainScenarios(scenarioNumber);
test.Run();
}

public class MySpecialClassA
{
}
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4 changes: 4 additions & 0 deletions profiler/src/Demos/Samples.Computer01/Program.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,7 @@ public enum Scenario
SyncOverAsyncWithResult,
SyncOverAsyncWithGetAwaiterGetResult,
AppDomainCrash,
ReferenceChain, // parameter = scenario number (1-7)
}

public class Program
Expand Down Expand Up @@ -104,6 +105,9 @@ public static void Main(string[] args)
// - interactively for debugging
var computerService = new ComputerService();

// Console.WriteLine("Press ENTER to start...");
// Console.ReadLine();

if (runAsService)
{
computerService.RunAsService(timeout, scenario, parameter);
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