commit 372e5474d4b7832901d52c274e9ce26e7da66922
author Vitalii Tomkiv <vitalit@google.com> Wed May 18 17:40:41 2016 -0700
committer Vitalii Tomkiv <vitalit@google.com> Wed Jun 08 10:54:03 2016 -0700
tree 028bf7ac31d184046d3ee4722f63b8c2ad9c0cad
parent a500cf9cdfc44f00b79412d21c57f4230018e8ae

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

rootdir/init.zygote32.rc

diff --git a/rootdir/init.zygote32.rc b/rootdir/init.zygote32.rc
index 0ca38b9..4b76383 100644
--- a/rootdir/init.zygote32.rc
+++ b/rootdir/init.zygote32.rc
@@ -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