Make dotnet-gcdump work with native AOT #5506
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Pretty much just adjusts what we had for Project N: * `IsProjectN` is not true for native AOT because we use the same provider GUID as JIT-based CoreCLR and not Project N (which is by design) * It is still possible to handle both Project N and native AOT the same way where it matters because both Project N and native AOT emit the same flags (`TypeFlags.ModuleBaseAddress` and `ModuleFlags.Native`) * Looks like Project N GCDump always relied on Windows kernel module load data only. I'm adding a path that can also use our own module load events (Project N also generates those)
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GCDumps taken with this can be opened with PerfView and PerfView will prompt for the PDBs. If available, (mangled) type names will show up in PerfView UI. |
MichalStrehovsky
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Jun 17, 2025
With this, PerfView will be able to create native AOT gcdumps. It activates the same codepaths we had for Project N, so it will also properly decode type names. The changes to DotNetHeapDumpGraphReader match dotnet/diagnostics#5506.
noahfalk
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Jun 18, 2025
brianrob
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Jun 20, 2025
With this, PerfView will be able to create native AOT gcdumps. It activates the same codepaths we had for Project N, so it will also properly decode type names. The changes to DotNetHeapDumpGraphReader match dotnet/diagnostics#5506.
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Pretty much just adjusts what we had for Project N:
IsProjectNis not true for native AOT because we use the same provider GUID as JIT-based CoreCLR and not Project N (which is by design)TypeFlags.ModuleBaseAddressandModuleFlags.Native)Cc @dotnet/ilc-contrib