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Commit 372e5474 authored by Vitalii Tomkiv's avatar Vitalii Tomkiv
Browse files

Set zygote process priority to -20 to speed up VM startup time. 

Tests for Nexus9 device shows 450ms boot time speedup, 180ms for Nexus
5X.

Bug: 28866384

Change-Id: Icefd130d4bfe5538dae5b9518250807351b0789e
parent a500cf9c

rootdir/init.zygote32.rc

+1 −0
Original line number Diff line number Diff line 
service zygote /system/bin/app_process -Xzygote /system/bin --zygote --start-system-server

    class main

    priority -20

    socket zygote stream 660 root system

    onrestart write /sys/android_power/request_state wake

    onrestart write /sys/power/state on

rootdir/init.zygote32_64.rc

+2 −0
Original line number Diff line number Diff line 
service zygote /system/bin/app_process32 -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote

    class main

    priority -20

    socket zygote stream 660 root system

    onrestart write /sys/android_power/request_state wake

    onrestart write /sys/power/state on
@@ -9,6 +10,7 @@ service zygote /system/bin/app_process32 -Xzygote /system/bin --zygote --start-s 


service zygote_secondary /system/bin/app_process64 -Xzygote /system/bin --zygote --socket-name=zygote_secondary

    class main

    priority -20

    socket zygote_secondary stream 660 root system

    onrestart restart zygote

    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks

rootdir/init.zygote64.rc

+1 −0
Original line number Diff line number Diff line 
service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-system-server

    class main

    priority -20

    socket zygote stream 660 root system

    onrestart write /sys/android_power/request_state wake

    onrestart write /sys/power/state on

rootdir/init.zygote64_32.rc

+2 −0
Original line number Diff line number Diff line 
service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-system-server --socket-name=zygote

    class main

    priority -20

    socket zygote stream 660 root system

    onrestart write /sys/android_power/request_state wake

    onrestart write /sys/power/state on
@@ -9,6 +10,7 @@ service zygote /system/bin/app_process64 -Xzygote /system/bin --zygote --start-s 


service zygote_secondary /system/bin/app_process32 -Xzygote /system/bin --zygote --socket-name=zygote_secondary

    class main

    priority -20

    socket zygote_secondary stream 660 root system

    onrestart restart zygote

    writepid /dev/cpuset/foreground/tasks /sys/fs/cgroup/stune/foreground/tasks