前言
只是简单写了个脚本抓取高通开机从 lk 到安卓可用这段时间各大模块主要占用时间
具体分析可参考文档：
【非常好】kba-160919232945_3_how_to_debug_boot_time_performance_issue.pdf
脚本
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:: 脚本作用：用于安卓平台 log，分析启动问题
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adb reboot
adb wait-for-device
adb root
adb wait-for-device
adb shell dmesg > dmesg.txt
adb shell "dmesg "| findstr "KPI" > boottime.txt
ping -n 90 127.0.0.1>nul
adb logcat -b events -d > logcat_events.txt
adb logcat -v time thread -d > logcat.txt
adb shell "logcat -b events -m 1000 "| findstr "boot_progress" >> boottime.txt