google/perfetto
Mar 2025 – Jun 2026
10 Months active
Languages Used
C++PythonTypeScriptprotopythonJavaScriptc++SQL
Technical Skills
Android DevelopmentBuild SystemsData VisualizationProtocol BuffersSystem AnalysisSystem Tracing
Ryan Zuklie
PROFILE
Ryan Zuklie
Over ten months, contributed to the google/perfetto repository by building and optimizing features for Android trace analysis, power monitoring, and data integrity. Delivered end-to-end observability enhancements, including nanosecond-precision Bluetooth and wakelock tracing, hierarchical battery usage flamegraphs, and SQL macros for network uptime analytics. Applied C++, Python, and TypeScript to refactor build systems, optimize plugin performance, and streamline cross-language data models. Addressed stability by resolving keyword conflicts and reducing error reporting noise. Focused on scalable data processing, partitioned interval merging, and robust gap-filling functions, enabling faster trace ingestion, improved UI visualization, and more reliable performance diagnostics across Android workflows.
Overall Statistics
Feature vs Bugs
82%Features
Repository Contributions
19Total
Bugs
3
Commits
19
Features
14
Lines of code
10,073
Activity Months10
Your Network
5276 peopleSame Organization
@google.com5015
Benedict OdaiMember
Craig IngramMember
KayyuriMember
Scott SuarezMember
Agent2Agent (A2A) BotMember
Andreas AbelMember
Aadi KapurMember
Aadish GoelMember
Aahil MehtaMember
Shared Repositories
261
Work History
June 2026
1 Commits • 1 Features
Jun 1, 2026June 2026 monthly summary for google/perfetto: Delivered kernel wakelock error reporting noise reduction by downgrading common wakelock errors from data loss to informational (kInfo), reducing noise and allowing developers to focus on significant issues in SuspendControlService. Implemented via commit ec4b996c753b3e301b183736f54566239b0df68d (#6381), with a note that these issues stem from suspend_control_service rather than data loss between producer and final trace. Result: clearer signals, faster triage, and improved observability in the tracing pipeline.
1 Commits • 1 Features
Jun 1, 2026June 2026 monthly summary for google/perfetto: Delivered kernel wakelock error reporting noise reduction by downgrading common wakelock errors from data loss to informational (kInfo), reducing noise and allowing developers to focus on significant issues in SuspendControlService. Implemented via commit ec4b996c753b3e301b183736f54566239b0df68d (#6381), with a note that these issues stem from suspend_control_service rather than data loss between producer and final trace. Result: clearer signals, faster triage, and improved observability in the tracing pipeline.
June 2026
May 2026
3 Commits • 2 Features
May 1, 2026May 2026 performance summary for google/perfetto: two major features delivered that strengthen data integrity, performance, and usability of trace data processing. Implemented an Android Package Lookup standard library wrapper with intrinsic migration, and added a robust trace data gap filling facility with partition-aware support, including migrations of battery modules to the new helper. These changes establish safer downstream joins and prepare for faster intrinsic-based lookups.
May 2026
3 Commits • 2 Features
May 1, 2026May 2026 performance summary for google/perfetto: two major features delivered that strengthen data integrity, performance, and usability of trace data processing. Implemented an Android Package Lookup standard library wrapper with intrinsic migration, and added a robust trace data gap filling facility with partition-aware support, including migrations of battery modules to the new helper. These changes establish safer downstream joins and prepare for faster intrinsic-based lookups.
January 2026
2 Commits • 2 Features
Jan 1, 2026Month: 2026-01. Focused on performance optimizations and data-management improvements in google/perfetto. Delivered two major features that directly enhance throughput and scalability for large trace workloads, enabling faster analysis and more flexible partitioning while maintaining data integrity. No explicit bug fixes were logged this month; instead, the emphasis was on performance engineering and infrastructure improvements that reduce latency and resource usage.
2 Commits • 2 Features
Jan 1, 2026Month: 2026-01. Focused on performance optimizations and data-management improvements in google/perfetto. Delivered two major features that directly enhance throughput and scalability for large trace workloads, enabling faster analysis and more flexible partitioning while maintaining data integrity. No explicit bug fixes were logged this month; instead, the emphasis was on performance engineering and infrastructure improvements that reduce latency and resource usage.
January 2026
December 2025
2 Commits • 2 Features
Dec 1, 2025December 2025: Performance-driven contributor focused on feature delivery and UX improvements for google/perfetto. Delivered a major CpuPerUid plugin optimization and a new SQL intrinsic, with meaningful business impact in terms of faster trace analysis and clearer user-facing metrics. No major bugs reported this period. Designed to scale in multi-user environments and improve overall data interpretation for performance debugging.
December 2025
2 Commits • 2 Features
Dec 1, 2025December 2025: Performance-driven contributor focused on feature delivery and UX improvements for google/perfetto. Delivered a major CpuPerUid plugin optimization and a new SQL intrinsic, with meaningful business impact in terms of faster trace analysis and clearer user-facing metrics. No major bugs reported this period. Designed to scale in multi-user environments and improve overall data interpretation for performance debugging.
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025 — Performance/features review for google/perfetto: Delivered Power Consumption Analytics for CPU State Monitoring, enabling summed power rail delta and average power usage across CPU states to enhance power monitoring and energy profiling. This feature improves dashboards and budgeting, with a co-authored commit (#3721). No major bugs fixed this month; focus was on high-value feature delivery and cross-rail data aggregation.
1 Commits • 1 Features
Nov 1, 2025November 2025 — Performance/features review for google/perfetto: Delivered Power Consumption Analytics for CPU State Monitoring, enabling summed power rail delta and average power usage across CPU states to enhance power monitoring and energy profiling. This feature improves dashboards and budgeting, with a co-authored commit (#3721). No major bugs fixed this month; focus was on high-value feature delivery and cross-rail data aggregation.
November 2025
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 Performance Summary for google/perfetto: Delivered two key items that drive stability and analytics capabilities in the Perfetto SQL processing workflow. 1) SQL Macro Type Stabilization (Bug): Stabilized the ColumnNameList macro argument type across Python and C++, and updated SQL macro definitions to use the new type directly. This eliminates cross-language type inconsistencies in the SQL processing engine, reduces bug surface area, and improves maintainability. Commit: ee7f46c617ecb21f1e6cd13a664390b3b2326bfa.
September 2025
2 Commits • 1 Features
Sep 1, 2025September 2025 Performance Summary for google/perfetto: Delivered two key items that drive stability and analytics capabilities in the Perfetto SQL processing workflow. 1) SQL Macro Type Stabilization (Bug): Stabilized the ColumnNameList macro argument type across Python and C++, and updated SQL macro definitions to use the new type directly. This eliminates cross-language type inconsistencies in the SQL processing engine, reduces bug surface area, and improves maintainability. Commit: ee7f46c617ecb21f1e6cd13a664390b3b2326bfa.
August 2025
1 Commits
Aug 1, 2025Concise monthly summary for 2025-08 focusing on stability, correctness, and cross-language data-model hygiene across the Perfetto repository.
1 Commits
Aug 1, 2025Concise monthly summary for 2025-08 focusing on stability, correctness, and cross-language data-model hygiene across the Perfetto repository.
August 2025
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for google/perfetto: Delivered Android Long Battery Tracing: Nested Tracks and Flamegraphs feature, introducing arbitrarily nested tracks, a reorganized track structure, and interactive flamegraphs driven by area selections to deliver a detailed, hierarchical view of battery usage. This enhances observability and accelerates root-cause analysis for Android performance issues. Major bugs fixed: none reported in this period. Overall impact: improved debugging workflow, faster performance diagnosis, and better battery profiling. Technologies/skills demonstrated: Android tracing, flamegraph visualization, nested data models, interactive UI for performance tooling, and codebase refactoring to support hierarchical visualization. Key commit reference: 256a0d0a83e21764a0019920aff2a2646b5b0dd7 (Add nested tracks and flamegraphs for long battery plugin. (#1985)).
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary for google/perfetto: Delivered Android Long Battery Tracing: Nested Tracks and Flamegraphs feature, introducing arbitrarily nested tracks, a reorganized track structure, and interactive flamegraphs driven by area selections to deliver a detailed, hierarchical view of battery usage. This enhances observability and accelerates root-cause analysis for Android performance issues. Major bugs fixed: none reported in this period. Overall impact: improved debugging workflow, faster performance diagnosis, and better battery profiling. Technologies/skills demonstrated: Android tracing, flamegraph visualization, nested data models, interactive UI for performance tooling, and codebase refactoring to support hierarchical visualization. Key commit reference: 256a0d0a83e21764a0019920aff2a2646b5b0dd7 (Add nested tracks and flamegraphs for long battery plugin. (#1985)).
April 2025
2 Commits • 2 Features
Apr 1, 2025April 2025 monthly summary for google/perfetto focusing on key feature work and overall impact. No explicit major bug fixes were reported in the provided data for this repo in this month; the work centers on two feature improvements that enhance trace usability and flexibility: 1) Android network tracing detail enhancement for RecordTraceV2, and 2) a plugin allowlist toggle for AndroidLongBatteryTracing.
2 Commits • 2 Features
Apr 1, 2025April 2025 monthly summary for google/perfetto focusing on key feature work and overall impact. No explicit major bug fixes were reported in the provided data for this repo in this month; the work centers on two feature improvements that enhance trace usability and flexibility: 1) Android network tracing detail enhancement for RecordTraceV2, and 2) a plugin allowlist toggle for AndroidLongBatteryTracing.
April 2025
March 2025
4 Commits • 2 Features
Mar 1, 2025March 2025: Delivered end-to-end observability enhancements for Perfetto with a focus on Android runtime and Bluetooth events, plus a targeted build-system cleanup to streamline proto definitions. Implemented nanosecond-precision Bluetooth trace durations and a new Bluetooth events UI track for improved troubleshooting. Added Android wakelock tracing - including data source config, proto definitions, importer, and UI integration - enabling import, processing, and visualization of wakelock events. Performed a build-system cleanup to remove unused proto definitions and expose key protos to Java, reducing build complexity and time. These changes collectively enhance data fidelity, visualization, and maintainability, enabling faster root-cause analysis and more accurate performance insights across Android apps and Bluetooth workflows.
March 2025
4 Commits • 2 Features
Mar 1, 2025March 2025: Delivered end-to-end observability enhancements for Perfetto with a focus on Android runtime and Bluetooth events, plus a targeted build-system cleanup to streamline proto definitions. Implemented nanosecond-precision Bluetooth trace durations and a new Bluetooth events UI track for improved troubleshooting. Added Android wakelock tracing - including data source config, proto definitions, importer, and UI integration - enabling import, processing, and visualization of wakelock events. Performed a build-system cleanup to remove unused proto definitions and expose key protos to Java, reducing build complexity and time. These changes collectively enhance data fidelity, visualization, and maintainability, enabling faster root-cause analysis and more accurate performance insights across Android apps and Bluetooth workflows.
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Quality Metrics
Correctness95.8%
Maintainability89.4%
Architecture93.2%
Performance86.4%
AI Usage21.0%
Skills & Technologies
Programming Languages
C++JavaScriptPythonSQLTypeScriptc++protopython
Technical Skills
Android DevelopmentBuild SystemsC++C++ developmentConfiguration ManagementData ProcessingData VisualizationFrontend DevelopmentJavaScriptPerformance AnalysisPlugin DevelopmentProtocol BuffersPythonSQLSQL query optimization
Repositories Contributed To
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