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This repository contains the source code for various .NET Core runtime diagnostic tools and documents.

Results 260 diagnostics issues
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dotnet sdk version: 8.0.2 dotnet-dump version: 8.0.5 My program is running inside a container and has crashed, generating a coredump file: ``` -rw------- 1 root root 48G Apr 22 01:21...

bug

`SymbolStoreKey` generators (`*FileKeyGenerator`) currently do not support .NET Framework scenarios which contain a different runtime module (`clr.dll`) than .NET Core scenarios (`coreclr.dll`). This PR aims to update the `PEFileKeyGenerator` to...

DO NOT MERGE

To eliminate global spinlock in stack trace saving to exceptions, the format of the stack trace storage has changed. The `_stackTrace` array can now be either a `byte[]` with the...

dotnet-sos

I'm looking at "core.1000.3993" from here: https://dev.azure.com/dnceng-public/public/_build/results?buildId=643008&view=ms.vss-test-web.build-test-results-tab&runId=15859978&resultId=120139&paneView=dotnet-dnceng.dnceng-anon-build-release-tasks.helix-anon-test-information-tab ``` runfo get-helix-payload -j 230cc837-73e2-4e2d-bb06-fed2bae218d8 -w readytorun_coreroot_determinism -o ``` When I type `clrstack -f` I get the following: ``` (lldb) clrstack -f OS...

bug
sos

Unit test the core Microsoft.SymbolStore downloading. Test the dotnet-symbol command line options, etc.

The user experience isn't all that great when dotnet-symbol is downloading missing special files indexed coreclr's like sos.dll, libsos.so, etc. This is only could get worse if/when we add the...

enhancement

Hi, i think that collecting dumps in linux is still not really polished, i'm on Ubuntu 20.04 and dotnet 7, this is the process : Run a dotnet7 application as...

documentation
dotnet-dump
Needs: Attention :wave:

### Description Full dump collected with `dotnet-monitor` can't be properly analyzed with `dotnet-dump`: - `dumpheap -stats` results in an error: "No CLR runtime found. This means that a .NET runtime...

bug

We have a test for debugging .NET apps using lldb and sos. The test has been failing for our .NET 9 builds because there is no sos version that runs...

bug

### Documentation Request Can dotnet-counters monitor a .NET Framework app? It would be good to clarify at https://learn.microsoft.com/en-gb/dotnet/core/diagnostics/dotnet-counters

documentation