Battery Historian analyzes Android device battery information using bug report files. It visualizes system and application level events on a timeline. The tool enables developers to identify battery-impactful apps and compare battery usage between different device states, leveraging Go for efficient processing and analysis of bug report data.
Key features include a user-friendly timeline visualization, detailed app-specific metrics, comparison of bug reports, advanced wakelock analysis, and support for power monitor data. The tool provides insights into battery behavior, aiding in performance optimization and troubleshooting battery issues. It supports analysis of both historical and real-time data.
- Timeline Visualization: Presents battery events and system stats on a chronological timeline for easy interpretation.
- App Metrics: Provides detailed metrics for individual applications, illustrating their impact on battery consumption.
- System Stats: Displays aggregated battery statistics across the entire system since the last full charge.
- Bug Report Comparison: Enables A/B comparison of two bug reports to highlight differences in battery-related metrics.
- Wakelock Analysis: Allows detailed examination of wakelock events for identifying potential battery drain sources.
- Power Monitor Analysis: Facilitates power monitor data analysis and integration into the timeline visualization.
- Command-Line Tools: Offers a suite of command-line tools for various analysis tasks, including data parsing, delta comparison, and reporting.
The project has a mature development status with a sustained history of updates and bug fixes. Active issue tracking and community discussion indicate ongoing maintenance and support. Comprehensive documentation and clear usage instructions suggest a stable and reliable tool, suitable for a range of Android development and debugging workflows.
Battery Historian benefits Android developers and system analysts needing to understand and optimize battery performance. It addresses challenges in identifying battery-draining applications and diagnosing power consumption issues. Its ability to analyze bug reports and power monitor data provides valuable insights for improving battery life and user experience.