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platform_system_core
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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
This commit is contained in:
Vitalii Tomkiv 2016-05-18 17:40:41 -07:00
parent a500cf9cdf
commit 372e5474d4
4 changed files with 6 additions and 0 deletions
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1
rootdir/init.zygote32.rc
View File

@ -1,5 +1,6 @@
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

2
rootdir/init.zygote32_64.rc
View File

@ -1,5 +1,6 @@
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

1
rootdir/init.zygote64.rc
View File

@ -1,5 +1,6 @@
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

2
rootdir/init.zygote64_32.rc
View File

@ -1,5 +1,6 @@
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