google/perfetto
Sep 2025 – Oct 2025
2 Months active
Languages Used
C++protobufJavaScriptTypeScript
Technical Skills
Backend DevelopmentProtocol BuffersTrace ProcessingBug FixingBuild SystemsC++
hteplitz-Google
PROFILE
Hteplitz-google
Worked on the google/perfetto repository to expand runtime descriptor flexibility, enabling dynamic parsing of additional protobuf descriptors and supporting custom Android statsd atoms not compiled into the system. Implemented backend changes in C++ and TypeScript to introduce extra_parsing_descriptors in configuration and trace processor arguments, reducing rebuild cycles and accelerating onboarding of new metrics. Enhanced the Perfetto UI by plumbing descriptor information from the Json Amalgamator, ensuring descriptors load before trace processing. Addressed descriptor loading stability by refining merging logic and temporarily disabling problematic custom loading, which improved trace reliability and test stability across both backend and frontend components.
Overall Statistics
Feature vs Bugs
67%Features
Repository Contributions
4Total
Bugs
1
Commits
4
Features
2
Lines of code
79
Activity Months2
Your Network
4951 peopleSame Organization
@google.com4703
Benedict OdaiMember
Craig IngramMember
KayyuriMember
Scott SuarezMember
Agent2Agent (A2A) BotMember
Andreas AbelMember
Aadi KapurMember
Aadish GoelMember
Aahil MehtaMember
Shared Repositories
248
Work History
October 2025
3 Commits • 1 Features
Oct 1, 2025Summary for 2025-10: Implemented descriptor plumbing to enable descriptor-driven Perfetto UI features and stabilized descriptor loading to improve trace reliability. Key commits include UI plumbing from Json Amalgamator (#3058) and descriptor loading fixes (#3181, #3260). Result: groundwork for UI-driven tracing features, reduced descriptor-related instability, and improved test stability.
3 Commits • 1 Features
Oct 1, 2025Summary for 2025-10: Implemented descriptor plumbing to enable descriptor-driven Perfetto UI features and stabilized descriptor loading to improve trace reliability. Key commits include UI plumbing from Json Amalgamator (#3058) and descriptor loading fixes (#3181, #3260). Result: groundwork for UI-driven tracing features, reduced descriptor-related instability, and improved test stability.
October 2025
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025: Focused on expanding runtime descriptor flexibility to accelerate data source support and improve observability for Perfetto. Delivered Dynamic Runtime Protobuf Descriptor Parsing, enabling runtime parsing of extra protobuf descriptors via extra_parsing_descriptors in Config and ResetTraceProcessorArgs, including support for custom Android statsd atoms and other protobuf messages not compiled into Perfetto. Implemented backend changes to enable this capability (commit a72384457cb64cb6670ed119ca30b68fe77e1027). This work reduces rebuild cycles, speeds onboarding of new metrics, and enhances data coverage across traces. No major bugs fixed this month; ongoing reliability improvements and maintainability work continued across the repo.
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025: Focused on expanding runtime descriptor flexibility to accelerate data source support and improve observability for Perfetto. Delivered Dynamic Runtime Protobuf Descriptor Parsing, enabling runtime parsing of extra protobuf descriptors via extra_parsing_descriptors in Config and ResetTraceProcessorArgs, including support for custom Android statsd atoms and other protobuf messages not compiled into Perfetto. Implemented backend changes to enable this capability (commit a72384457cb64cb6670ed119ca30b68fe77e1027). This work reduces rebuild cycles, speeds onboarding of new metrics, and enhances data coverage across traces. No major bugs fixed this month; ongoing reliability improvements and maintainability work continued across the repo.
Activity
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Quality Metrics
Correctness80.0%
Maintainability85.0%
Architecture80.0%
Performance70.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++JavaScriptTypeScriptprotobuf
Technical Skills
Backend DevelopmentBug FixingBuild SystemsC++C++ DevelopmentDebuggingFront End DevelopmentJavaScriptProtocol BuffersRollbackTrace ProcessingTypeScript
Repositories Contributed To
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