google/perfetto
Nov 2024 – Jul 2025
5 Months active
Languages Used
SQLPythongnprotopythonsqlprotobufMarkdown
Technical Skills
DebuggingSQLTrace AnalysisBuild System ConfigurationMemory ManagementProtocol Buffers
Richard Uhler
PROFILE
Richard Uhler
Over five months, Ryan Uhler enhanced Android performance tracing and memory profiling in the google/perfetto repository by building granular garbage collection metrics and improving data fidelity. He introduced per-process GC statistics and new metrics pipelines, leveraging Python, SQL, and Protocol Buffers to enable targeted analysis and more accurate reporting. His work included refining SQL queries, updating proto definitions, and integrating new metrics into the build system, which improved observability and reliability for downstream users. Ryan also addressed bugs in GC event labeling and startup duration calculations, and contributed to documentation quality, demonstrating depth in debugging, data modeling, and system performance analysis.
Overall Statistics
Feature vs Bugs
43%Features
Repository Contributions
9Total
Bugs
4
Commits
9
Features
3
Lines of code
1,658
Activity Months5
Your Network
4376 people
Work History
July 2025
2 Commits
Jul 1, 2025Monthly summary for 2025-07 focused on Perfetto contributions: two bug fixes and a documentation improvement in google/perfetto, improving data fidelity and developer experience for Android performance tracing and memory profiling.
2 Commits
Jul 1, 2025Monthly summary for 2025-07 focused on Perfetto contributions: two bug fixes and a documentation improvement in google/perfetto, improving data fidelity and developer experience for Android performance tracing and memory profiling.
July 2025
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for google/perfetto: Delivered a new per-event gc_count metric for the AndroidGarbageCollectionUnaggMetric to support aggregated metrics reporting; updated the proto, descriptor, SQL query, and test outputs to ensure consistent data representation and improved metrics accuracy.
March 2025
1 Commits • 1 Features
Mar 1, 2025March 2025 monthly summary for google/perfetto: Delivered a new per-event gc_count metric for the AndroidGarbageCollectionUnaggMetric to support aggregated metrics reporting; updated the proto, descriptor, SQL query, and test outputs to ensure consistent data representation and improved metrics accuracy.
February 2025
2 Commits • 1 Features
Feb 1, 2025February 2025: Delivered granular per-process Android GC statistics in Perfetto for google/perfetto, enabling app-level GC insights and finer performance analysis. Introduced a new per-process stats table, process-level aggregation, and a ProcessStats proto, with SQL metrics updated to surface per-process GC data across apps. The work was implemented through two commits that break down GC stats by process and add per-process info to the android_garbage_collection_stats metric.
2 Commits • 1 Features
Feb 1, 2025February 2025: Delivered granular per-process Android GC statistics in Perfetto for google/perfetto, enabling app-level GC insights and finer performance analysis. Introduced a new per-process stats table, process-level aggregation, and a ProcessStats proto, with SQL metrics updated to surface per-process GC data across apps. The work was implemented through two commits that break down GC stats by process and add per-process info to the android_garbage_collection_stats metric.
February 2025
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary focused on delivering observable business value and robust technical achievements in the Perfetto repository. Key efforts centered on Android GC metrics and improved startup reliability, with integrations that enhance filtering and analysis capabilities for downstream users.
December 2024
3 Commits • 1 Features
Dec 1, 2024December 2024 monthly summary focused on delivering observable business value and robust technical achievements in the Perfetto repository. Key efforts centered on Android GC metrics and improved startup reliability, with integrations that enhance filtering and analysis capabilities for downstream users.
November 2024
1 Commits
Nov 1, 2024Concise November 2024 monthly summary for developer work focusing on business value and technical achievements.
1 Commits
Nov 1, 2024Concise November 2024 monthly summary for developer work focusing on business value and technical achievements.
November 2024
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance97.8%
AI Usage20.0%
Skills & Technologies
Programming Languages
MarkdownPythonSQLgnprotoprotobufpythonsql
Technical Skills
Build System ConfigurationData ModelingDatabaseDebuggingDocumentationMemory ManagementPerformance AnalysisProtocol BuffersPythonSQLSystem DesignSystem MonitoringSystem Performance AnalysisTestingTrace Analysis
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