microsoft/perfview
Jun 2025 – Jun 2025
1 Month active
Languages Used
C#
Technical Skills
DebuggingError Handling
Bart Vries
PROFILE
Bart Vries
Worked on reliability and performance improvements across core .NET repositories, focusing on backend development with C# and asynchronous programming. In the microsoft/perfview project, addressed error handling in provider enumeration by ensuring TdhEnumerateProviders now propagates the underlying HRESULT, which improved error visibility and streamlined debugging for production incidents. Later, contributed to dotnet/orleans by refactoring the TLS connection middleware, removing unnecessary Task.Run usage in OnConnectionAsync methods. This change reduced thread-pool contention and improved latency by returning tasks directly, aligning with best practices for async code. The work emphasized maintainability, robust error handling, and performance-oriented design in critical networking paths.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
2Total
Bugs
1
Commits
2
Features
1
Lines of code
4
Activity Months2
Your Network
70 peopleWork History
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026: Focused on performance optimization in TLS connection middleware for the Orleans repository. Delivered a targeted code refactor that eliminates unnecessary Task.Run usage in the TLS client/server OnConnectionAsync paths, improving latency and reducing thread-pool contention by returning the Task directly from InnerOnConnectionAsync. No reported major bugs; stability improved through clearer async flow and safer task handling. This work aligns with ongoing performance and maintainability goals for core networking paths in Orleans.
1 Commits • 1 Features
Feb 1, 2026February 2026: Focused on performance optimization in TLS connection middleware for the Orleans repository. Delivered a targeted code refactor that eliminates unnecessary Task.Run usage in the TLS client/server OnConnectionAsync paths, improving latency and reducing thread-pool contention by returning the Task directly from InnerOnConnectionAsync. No reported major bugs; stability improved through clearer async flow and safer task handling. This work aligns with ongoing performance and maintainability goals for core networking paths in Orleans.
February 2026
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for microsoft/perfview focused on reliability and error visibility in provider enumeration. Delivered a targeted bug fix that enhances debugging and reduces triage time, with measurable impact on production incident handling and overall system robustness.
June 2025
1 Commits
Jun 1, 2025June 2025 monthly summary for microsoft/perfview focused on reliability and error visibility in provider enumeration. Delivered a targeted bug fix that enhances debugging and reduces triage time, with measurable impact on production incident handling and overall system robustness.
Activity
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Quality Metrics
Correctness90.0%
Maintainability90.0%
Architecture80.0%
Performance80.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C#
Technical Skills
C#DebuggingError Handlingasynchronous programmingbackend development
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
dotnet/orleans
Feb 2026 – Feb 2026
1 Month active
Languages Used
C#
Technical Skills
C#asynchronous programmingbackend development