android 查看APP启动耗时

D:\workSpace\programByAndroid\Program\Demo>adb shell am start -S -W com.yann.demo/com.yann.demo.ui.splash.SplashActivity
Stopping: com.yann.demo
Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.yann.demo/.ui.splash.SplashActivity }
Status: ok
Activity: com.yann.demo/.ui.splash.SplashActivity
ThisTime: 764
TotalTime: 764
WaitTime: 843
Complete

cmd中执行adb shell am start -S -W 包名/activity的路径，如上所示

参考链接