document DOTNET_EventPipeThreadSamplingRate#53393
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pavelsavara merged 6 commits intodotnet:mainfrom May 6, 2026
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Co-authored-by: Jan Kotas <jkotas@microsoft.com>
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Pull request overview
This PR documents the DOTNET_EventPipeThreadSamplingRate environment variable and links readers to the EventPipe environment-variable tracing documentation so they can tune thread sampling frequency when collecting traces.
Changes:
- Add
DOTNET_EventPipeThreadSamplingRateto the EventPipe environment variables list, including defaults and behavior. - Add a tip to
dotnet-traceprofiles describing how to adjust the sampling rate viaDOTNET_EventPipeThreadSamplingRate. - Add a cross-link from runtime debugging/profiling config docs to the EventPipe environment-variable tracing section.
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| docs/core/runtime-config/debugging-profiling.md | Adds a pointer to EventPipe environment-variable tracing docs. |
| docs/core/diagnostics/eventpipe.md | Documents DOTNET_EventPipeThreadSamplingRate behavior and defaults. |
| docs/core/diagnostics/dotnet-trace.md | Mentions how the dotnet-sampled-thread-time profile’s sampling rate can be configured. |
…nto sampling_freq
jkotas
approved these changes
May 6, 2026
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Related to dotnet/runtime#127292
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