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kvaleriano

PROFILE

Kvaleriano

During December 2025, Evaleriano developed a Wear Battery Traces Tracking Plugin for the google/perfetto repository, focusing on performance engineering and observability for Wear OS devices. The plugin, written in TypeScript, enables tracking of Wear critical user journeys and raw battery gauge data by leveraging statsd atoms, providing richer battery analytics for developers. By setting the plugin as the default data source, Evaleriano improved startup performance and streamlined developer investigations, with startup times measured at approximately 1 ms without data sources and 250 ms with them. This work enhanced data visualization and performance monitoring, supporting more effective root-cause analysis on Wear devices.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

1Total
Bugs
0
Commits
1
Features
1
Lines of code
234
Activity Months1

Work History

December 2025

1 Commits • 1 Features

Dec 1, 2025

December 2025 monthly summary for the google/perfetto repository, focused on performance engineering and observability enhancements for Wear OS devices. The month centers on delivering a new plugin that enhances battery-trace collection and analytics, with an emphasis on startup performance and developer investigations.

Activity

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Quality Metrics

Correctness100.0%
Maintainability80.0%
Architecture100.0%
Performance80.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

TypeScript

Technical Skills

TypeScriptdata visualizationperformance monitoringplugin development

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

google/perfetto

Dec 2025 Dec 2025
1 Month active

Languages Used

TypeScript

Technical Skills

TypeScriptdata visualizationperformance monitoringplugin development