[Diagnostics] Update dotnet-trace collect-linux and perfmap enablement#54354
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Pull request overview
Updates .NET diagnostics documentation to reflect newer runtime and tool behavior, specifically around PerfMap control and dotnet-trace collect-linux platform requirements.
Changes:
- Document on-demand PerfMap/JIT dump enablement via Diagnostics IPC commands and DiagnosticsClient APIs (.NET 8+).
- Lower the documented glibc requirement for
dotnet-trace collect-linuxto 2.27+ and simplify the supported distro note. - Refresh
ms.datemetadata for the debugging/profiling runtime config article.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| docs/core/runtime-config/debugging-profiling.md | Adds PerfMap enable/disable via Diagnostics IPC references and updates page date. |
| docs/core/diagnostics/dotnet-trace.md | Updates collect-linux glibc prerequisite text for Linux x64/Arm64. |
noahfalk
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Jun 12, 2026
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Looks good modulo suggestions inline.
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Summary
Lower dotnet-trace collect-linux glibc compatibility.
Clarify PerfMap on demand enable/disable through Diagnostic IPC Commands
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