google/perfetto
Nov 2024 – Jun 2026
13 Months active
Languages Used
C++SQLprotobufsqlPythonShellprotopython
Technical Skills
Android DevelopmentAndroid InternalsData ModelingData ParsingMetadata ManagementPerformance Analysis
elrakadm
PROFILE
Elrakadm
Worked extensively on the google/perfetto repository, delivering features and stability improvements for performance tracing and analytics. Focused on enhancing trace data quality, standardizing metrics, and optimizing backend systems using C++, SQL, and Protocol Buffers. Implemented device-level context enrichment, trace metadata improvements, and robust data normalization to support actionable insights and reliable analytics. Addressed data integrity by enforcing UTF-8 validation and reverting regressions to maintain stable pipelines. Expanded metrics system usability with richer metadata and new units, while consolidating SQL validation for safer processing. Prioritized maintainability through code refactoring, comprehensive testing, and careful management of database dependencies and schema evolution.
Overall Statistics
Feature vs Bugs
59%Features
Repository Contributions
33Total
Bugs
7
Commits
33
Features
10
Lines of code
5,534
Activity Months13
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
Jun 1, 2026June 2026 monthly summary for google/perfetto focused on stability and data accessibility. Key achievement: restored public access to android_jank_cuj_layer_name table to fix downstream SQL script failures, preventing data access issues for performance tracing and analysis. No new user-facing features shipped in this period; the main effort was correcting data dependencies and ensuring script reliability. This work involved reverting privatization introduced by PR 6341 and aligning with downstream consumers, using commit 36e1ca87da648e9637a5736974159b4d3d4b6e1c. The outcome is improved reliability of Perfetto SQL scripts, reduced maintenance burden, and preserved data integrity for performance analysis.
1 Commits
Jun 1, 2026June 2026 monthly summary for google/perfetto focused on stability and data accessibility. Key achievement: restored public access to android_jank_cuj_layer_name table to fix downstream SQL script failures, preventing data access issues for performance tracing and analysis. No new user-facing features shipped in this period; the main effort was correcting data dependencies and ensuring script reliability. This work involved reverting privatization introduced by PR 6341 and aligning with downstream consumers, using commit 36e1ca87da648e9637a5736974159b4d3d4b6e1c. The outcome is improved reliability of Perfetto SQL scripts, reduced maintenance burden, and preserved data integrity for performance analysis.
June 2026
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 focused on strengthening SQL validation safety and maintainability in google/perfetto. Implemented a dedicated SQL processing utility for banned pattern checks and added case-insensitive validation, consolidating error checks in the SQL module. This reduces risk of unsafe SQL patterns, improves consistency, and simplifies future policy updates across the codebase.
February 2026
1 Commits • 1 Features
Feb 1, 2026February 2026 focused on strengthening SQL validation safety and maintainability in google/perfetto. Implemented a dedicated SQL processing utility for banned pattern checks and added case-insensitive validation, consolidating error checks in the SQL module. This reduces risk of unsafe SQL patterns, improves consistency, and simplifies future policy updates across the codebase.
January 2026
3 Commits
Jan 1, 2026January 2026 monthly summary for google/perfetto. Focused on stabilizing the repository by reverting three major changes that caused test failures or runtime issues, instead of delivering new features this cycle. The work preserved reliability of the test suite and runtime behavior, enabling safer future migrations and continued performance-tracing capabilities. Specifically, we reverted: 1) AnalyzeStructuredQuery changes due to downstream test failures with shared queries; 2) the slices module for CUJs migration due to incomplete migration of the duration column in android_jank_cuj_draw_frame_slice; 3) the TraceSummary query change that caused virtual table errors. The outcome reduces risk of regressions, maintains data integrity, and ensures stability for upcoming feature work.
3 Commits
Jan 1, 2026January 2026 monthly summary for google/perfetto. Focused on stabilizing the repository by reverting three major changes that caused test failures or runtime issues, instead of delivering new features this cycle. The work preserved reliability of the test suite and runtime behavior, enabling safer future migrations and continued performance-tracing capabilities. Specifically, we reverted: 1) AnalyzeStructuredQuery changes due to downstream test failures with shared queries; 2) the slices module for CUJs migration due to incomplete migration of the duration column in android_jank_cuj_draw_frame_slice; 3) the TraceSummary query change that caused virtual table errors. The outcome reduces risk of regressions, maintains data integrity, and ensures stability for upcoming feature work.
January 2026
November 2025
2 Commits • 1 Features
Nov 1, 2025Performance review-ready monthly summary for 2025-11 focusing on delivering measurable business value and technical excellence within the Perfetto project. The month centered on expanding the Metrics System usability and metric coverage to support broader data analysis and easier configuration by users.
November 2025
2 Commits • 1 Features
Nov 1, 2025Performance review-ready monthly summary for 2025-11 focusing on delivering measurable business value and technical excellence within the Perfetto project. The month centered on expanding the Metrics System usability and metric coverage to support broader data analysis and easier configuration by users.
October 2025
3 Commits • 1 Features
Oct 1, 2025This month focused on delivering substantial enhancements to the Perfetto trace summary to improve storage efficiency and trace analysis capabilities, with clean integration into the existing trace processing pipeline.
3 Commits • 1 Features
Oct 1, 2025This month focused on delivering substantial enhancements to the Perfetto trace summary to improve storage efficiency and trace analysis capabilities, with clean integration into the existing trace processing pipeline.
October 2025
August 2025
2 Commits
Aug 1, 2025August 2025 focused on stabilizing trace metrics and metric storage paths in google/perfetto. Reverted two risky changes that caused timeouts and regression, restoring reliable metric collection and reducing production risk. Clean-up and test hygiene improvements were performed to prevent recurrence and improve maintainability. Overall, the work safeguarded performance analytics integrity and preserved business value for users depending on accurate tracing data.
August 2025
2 Commits
Aug 1, 2025August 2025 focused on stabilizing trace metrics and metric storage paths in google/perfetto. Reverted two risky changes that caused timeouts and regression, restoring reliable metric collection and reducing production risk. Clean-up and test hygiene improvements were performed to prevent recurrence and improve maintainability. Overall, the work safeguarded performance analytics integrity and preserved business value for users depending on accurate tracing data.
July 2025
3 Commits
Jul 1, 2025Month: 2025-07 — Focused on stabilizing Perfetto's tracing data quality and reliability in google/perfetto. Key changes include reverting regression in Android frames missed callbacks tracking to restore stable android_frames data (removing related tables/functions and reverting the android_jank_cuj_frame_timeline join condition) and consolidating trace duration measurement fixes by switching to a monotonic clock for sched duration and updating tests. These changes reduce false positives/negatives in performance dashboards and improve reliability of performance analytics. Overall impact: improved accuracy of frame timing and scheduling duration measurements, reduced data drift due to system clock changes, and cleaner data model. Technologies/skills demonstrated: C++/repo maintenance, regression analysis, clock source selection, test updates, and data-model cleanup.
3 Commits
Jul 1, 2025Month: 2025-07 — Focused on stabilizing Perfetto's tracing data quality and reliability in google/perfetto. Key changes include reverting regression in Android frames missed callbacks tracking to restore stable android_frames data (removing related tables/functions and reverting the android_jank_cuj_frame_timeline join condition) and consolidating trace duration measurement fixes by switching to a monotonic clock for sched duration and updating tests. These changes reduce false positives/negatives in performance dashboards and improve reliability of performance analytics. Overall impact: improved accuracy of frame timing and scheduling duration measurements, reduced data drift due to system clock changes, and cleaner data model. Technologies/skills demonstrated: C++/repo maintenance, regression analysis, clock source selection, test updates, and data-model cleanup.
July 2025
May 2025
1 Commits • 1 Features
May 1, 2025For May 2025, the google/perfetto repository delivered notable Metrics v2 enhancements and stability improvements that directly support business analytics and data fidelity. The primary achievement was adding dimension specifications and explicit typing to Metrics v2, enabling precise dimension handling and safer metric emission. This work reduces ambiguity in metric data and sets a foundation for scalable analytics as usage grows. In addition, key bugs affecting dimension ordering and metric value emission were fixed, improving the reliability and determinism of metrics reporting. A new test case for simple_slices was added to validate the updated behavior and prevent regressions. Overall, this work strengthens the metrics pipeline, improves data quality, and enhances maintainability through stronger typing and expanded test coverage.
May 2025
1 Commits • 1 Features
May 1, 2025For May 2025, the google/perfetto repository delivered notable Metrics v2 enhancements and stability improvements that directly support business analytics and data fidelity. The primary achievement was adding dimension specifications and explicit typing to Metrics v2, enabling precise dimension handling and safer metric emission. This work reduces ambiguity in metric data and sets a foundation for scalable analytics as usage grows. In addition, key bugs affecting dimension ordering and metric value emission were fixed, improving the reliability and determinism of metrics reporting. A new test case for simple_slices was added to validate the updated behavior and prevent regressions. Overall, this work strengthens the metrics pipeline, improves data quality, and enhances maintainability through stronger typing and expanded test coverage.
April 2025
1 Commits
Apr 1, 2025April 2025 monthly summary for google/perfetto: Key feature/bug fix delivering improved data integrity for trace data by enforcing UTF-8 validation and sanitization, aligning with SQLite UTF-8 requirements.
1 Commits
Apr 1, 2025April 2025 monthly summary for google/perfetto: Key feature/bug fix delivering improved data integrity for trace data by enforcing UTF-8 validation and sanitization, aligning with SQLite UTF-8 requirements.
April 2025
March 2025
9 Commits • 2 Features
Mar 1, 2025Mar 2025 performance update for google/perfetto: Focused on elevating data quality and analytics readiness by standardizing Android trace data and extending task-intelligence in AndroidProcessMetadata. Delivered trace data standardization and thread name normalization to ensure consistent representation across traces, and added kernel-task visibility to enable targeted metrics. Implemented SQL-level data normalization capabilities (new __intrinsic_strip_hex, related refinements, and public exposure of thread_prefix) to simplify downstream queries and reduce normalization toil. Refactors to slice naming and thread-name normalization (removing non-essential digits, repeated patterns) to improve data cleanliness and maintainability. Business impact includes faster, more reliable trace analysis, reduced ad-hoc data cleansing, and more precise kernel-task analytics. Technologies/skills demonstrated include C++/Perfetto internals, protobufs, Perfetto SQL UDFs, and end-to-end data normalization and testing.
March 2025
9 Commits • 2 Features
Mar 1, 2025Mar 2025 performance update for google/perfetto: Focused on elevating data quality and analytics readiness by standardizing Android trace data and extending task-intelligence in AndroidProcessMetadata. Delivered trace data standardization and thread name normalization to ensure consistent representation across traces, and added kernel-task visibility to enable targeted metrics. Implemented SQL-level data normalization capabilities (new __intrinsic_strip_hex, related refinements, and public exposure of thread_prefix) to simplify downstream queries and reduce normalization toil. Refactors to slice naming and thread-name normalization (removing non-essential digits, repeated patterns) to improve data cleanliness and maintainability. Business impact includes faster, more reliable trace analysis, reduced ad-hoc data cleansing, and more precise kernel-task analytics. Technologies/skills demonstrated include C++/Perfetto internals, protobufs, Perfetto SQL UDFs, and end-to-end data normalization and testing.
February 2025
1 Commits • 1 Features
Feb 1, 2025February 2025: Key feature delivery in google/perfetto focused on Trace Processor slice name standardization for VSYNC and asset loading. Introduced _standardize_vsync_slice_name to map VSYNC-related slice names to a consistent format and broadened the existing standardization to cover asset loading and related entries, enabling clearer, more aggregable trace data across contexts.
1 Commits • 1 Features
Feb 1, 2025February 2025: Key feature delivery in google/perfetto focused on Trace Processor slice name standardization for VSYNC and asset loading. Introduced _standardize_vsync_slice_name to map VSYNC-related slice names to a consistent format and broadened the existing standardization to cover asset loading and related entries, enabling clearer, more aggregable trace data across contexts.
February 2025
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for google/perfetto focused on feature delivery and data quality improvements in the tracing pipeline.
December 2024
1 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary for google/perfetto focused on feature delivery and data quality improvements in the tracing pipeline.
November 2024
5 Commits • 2 Features
Nov 1, 2024November 2024: Implemented device-level context and reliability improvements in Perfetto to drive actionable performance insights and faster optimization loops. Delivered trace enrichment (device manufacturer) and CUJ/jank accuracy enhancements, with robust data quality improvements.
5 Commits • 2 Features
Nov 1, 2024November 2024: Implemented device-level context and reliability improvements in Perfetto to drive actionable performance insights and faster optimization loops. Delivered trace enrichment (device manufacturer) and CUJ/jank accuracy enhancements, with robust data quality improvements.
November 2024
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Quality Metrics
Correctness89.0%
Maintainability89.8%
Architecture87.6%
Performance86.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
C++ProtoPythonSQLShellTypeScriptprotoprotobufpythonsql
Technical Skills
API designAndroid DevelopmentAndroid InternalsBackend DevelopmentBug FixingBuild SystemsC++C++ developmentCode RefactoringCode RevertData ModelingData ParsingData ProcessingData SerializationDatabase
Repositories Contributed To
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