google/perfetto
Jul 2025 – Aug 2025
2 Months active
Languages Used
C++PythonSQLTypeScript
Technical Skills
Android Performance AnalysisData ParsingKernel DevelopmentKernel TracingPerformance AnalysisProtocol Buffers
Martin Liu
PROFILE
Martin Liu
Martin Liu contributed to the google/perfetto repository by developing advanced memory tracing and profiling features for Android. Over two months, he enhanced memory observability by improving gralloc allocator process-name matching and extending CMA/KMEM tracing to support new kernel versions, using C++ and Protocol Buffers for kernel and parser updates. He also refactored memory tracking logic in TypeScript, enabling unified memory usage analysis across the Perfetto UI and PixelMemory plugin. These changes allowed multi-process monitoring with aggregated views and improved debugging efficiency, reflecting a deep understanding of system tracing, frontend development, and performance analysis in complex, cross-platform environments.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
5Total
Bugs
0
Commits
5
Features
3
Lines of code
658
Activity Months2
Your Network
4376 people
Work History
August 2025
2 Commits • 1 Features
Aug 1, 2025Monthly summary for 2025-08 (google/perfetto): Focused on strengthening memory profiling capabilities by delivering unified memory usage analysis enhancements across Perfetto UI and PixelMemory plugin, enabling multi-PID monitoring with aggregated views, and improving reliability through code refactors and idempotent table initialization. These changes enhance profiling accuracy, reduce debugging time, and enable broader memory analysis for performance improvements across processes.
2 Commits • 1 Features
Aug 1, 2025Monthly summary for 2025-08 (google/perfetto): Focused on strengthening memory profiling capabilities by delivering unified memory usage analysis enhancements across Perfetto UI and PixelMemory plugin, enabling multi-PID monitoring with aggregated views, and improving reliability through code refactors and idempotent table initialization. These changes enhance profiling accuracy, reduce debugging time, and enable broader memory analysis for performance improvements across processes.
August 2025
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 (google/perfetto): Delivered two memory-tracing enhancements to boost Android memory observability and debugging efficiency. Gralloc memory attribution improvements tighten allocator process-name matching to improve memory tracking accuracy for Android allocations. Enhanced CMA/KMEM memory tracing and parser support adds new ftrace events for CMA and KMEM and updates the parser to support CMA allocation events across kernel versions (v6.1+), enabling detailed memory management tracing. UI enhancements surface CMA allocation/finish information to streamline debugging and visibility into allocation lifecycles.
July 2025
3 Commits • 2 Features
Jul 1, 2025July 2025 (google/perfetto): Delivered two memory-tracing enhancements to boost Android memory observability and debugging efficiency. Gralloc memory attribution improvements tighten allocator process-name matching to improve memory tracking accuracy for Android allocations. Enhanced CMA/KMEM memory tracing and parser support adds new ftrace events for CMA and KMEM and updates the parser to support CMA allocation events across kernel versions (v6.1+), enabling detailed memory management tracing. UI enhancements surface CMA allocation/finish information to streamline debugging and visibility into allocation lifecycles.
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Quality Metrics
Correctness92.0%
Maintainability88.0%
Architecture90.0%
Performance84.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++PythonSQLTypeScript
Technical Skills
Android Performance AnalysisData ParsingDebugging ToolsFrontend DevelopmentKernel DevelopmentKernel TracingPerformance AnalysisPlugin DevelopmentProtocol BuffersSQLSystem ProgrammingSystem TracingTestingTracingTypeScript
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