Android View Wakelock

Android Wakelock is divided into two tiers

Linux Layer and Application layer

1. View the Linux Waklock

# Cat/sys/power/wake_lock
Powermanagerservice.display

Powermanagerservice.wakelocks

Powermanagerservice.display : This is the powermanagerservice of the Linux layer on the screen open Wakelock

Powermanagerservice.wakelocks: This is the wakelock of the application layer, so the wakelock of the application is represented in the Linux layer as this Wakelock

Powermanagerservice maintains a wakelock table for all applications and, when not empty, sets powermanagerservice.wakelocksto the Linux layer, Cancel this wakelock when empty

2. View the application's Waklock

# Dumpsys Power

Wake locks:size=2
Partial_wake_lock ' Audiomix ' (uid=1013, pid=236, ws=worksource{10018})
Partial_wake_lock ' Android.media.MediaPlayer ' On_after_release (uid=10018, pid=24023, Ws=null)

Android View Wakelock