google/perfetto
Nov 2025 – Jan 2026
2 Months active
Languages Used
C++PythonProtoBufTypeScript
Technical Skills
performance tracingprotobufsystem programmingC++UI developmentbackend development
yhli-tw
PROFILE
Yhli-tw
Yihong Li contributed to the google/perfetto repository by developing targeted features to enhance storage subsystem observability and trace analysis. He implemented new SCSI ftrace events in C++ and ProtoBuf, enabling more granular error handling and timeout tracking for SCSI commands, which improved root-cause analysis and reliability in production environments. Additionally, he delivered F2FS write checkpoint visualization within the Trace Processor, extending the UI and backend to expose detailed checkpoint phases and reasons for better performance debugging. His work demonstrated depth in system programming, data visualization, and performance tracing, with well-scoped changes that addressed specific diagnostic and usability needs.
Overall Statistics
Feature vs Bugs
100%Features
Repository Contributions
2Total
Bugs
0
Commits
2
Features
2
Lines of code
455
Activity Months2
Your Network
4595 peopleSame Organization
@google.com4362
Benedict OdaiMember
Craig IngramMember
KayyuriMember
Scott SuarezMember
Agent2Agent (A2A) BotMember
Andreas AbelMember
Aadi KapurMember
Aadish GoelMember
Aahil MehtaMember
Shared Repositories
233
Work History
January 2026
1 Commits • 1 Features
Jan 1, 2026Monthly summary for 2026-01 focusing on google/perfetto work. Delivered F2FS Write Checkpoint Visualization in the Trace Processor, enabling UI visualization of f2fs_write_checkpoint and introducing new fields for checkpoint phases and reasons to enrich trace data detail and usability, supporting clearer performance debugging and system analysis.
1 Commits • 1 Features
Jan 1, 2026Monthly summary for 2026-01 focusing on google/perfetto work. Delivered F2FS Write Checkpoint Visualization in the Trace Processor, enabling UI visualization of f2fs_write_checkpoint and introducing new fields for checkpoint phases and reasons to enrich trace data detail and usability, supporting clearer performance debugging and system analysis.
January 2026
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025 performance and observability enhancements for google/perfetto: Implemented new SCSI ftrace events to improve error handling and timeout tracking for SCSI commands, enabling deeper tracing and faster diagnosis. The work is anchored by a dedicated commit (tp: add scsi command error and timeout ftraces) and addresses Bug 460752375. This contributes to more reliable storage subsystem diagnostics and better performance insights for production systems.
November 2025
1 Commits • 1 Features
Nov 1, 2025November 2025 performance and observability enhancements for google/perfetto: Implemented new SCSI ftrace events to improve error handling and timeout tracking for SCSI commands, enabling deeper tracing and faster diagnosis. The work is anchored by a dedicated commit (tp: add scsi command error and timeout ftraces) and addresses Bug 460752375. This contributes to more reliable storage subsystem diagnostics and better performance insights for production systems.
Activity
Loading activity data...
Quality Metrics
Correctness90.0%
Maintainability90.0%
Architecture90.0%
Performance90.0%
AI Usage30.0%
Skills & Technologies
Programming Languages
C++ProtoBufPythonTypeScript
Technical Skills
C++UI developmentbackend developmentdata visualizationperformance tracingprotobufsystem programming
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline