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Troubleshooting low-level power drainage by correlating kernel wakeup sources and system events.
Distinct from Kernel Component Debugging: Distinct from Kernel Component Debugging: specifically targets the correlation of wakeups for power troubleshooting on Android.
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Battery Historian 是一款用于分析 Android 设备功耗和电池损耗的可视化和分析工具。它作为一个错误报告查看器和功耗分析器,解析系统日志以将电池统计数据和内核数据提取到基于 Web 的界面中。 该工具专门用于在同步的时间轴上关联不同的数据源。它通过追踪用户空间和内核唤醒锁(wakelock)转换、将内核唤醒源映射到实时时间戳,并将外部硬件功耗监控日志叠加到系统事件上来识别耗电活动。 该系统提供了比较分析功能,允许计算多个错误报告之间的增量以衡量功耗行为的变化。它进一步聚合了应用程序级指标和系统事件,以查明导致设备无法进入睡眠模式的具体软件触发因素。
Correlates kernel wakeup sources and system events on a timeline to troubleshoot low-level power drainage issues.