1.Storage
1.1 如何添加守护进程（daemon process）
:在init.rc添加相关服务进程，
example,
## Daemon processes to be run by init.
##
service ueventd /system/bin/ueventd
class core
critical
seclabel u:r:ueventd:s0
shutdown critical
service flash_recovery /system/bin/install-recovery.sh
class main
oneshot
service console /system/bin/sh
class core
console
disabled
user shell
group shell log readproc
seclabel u:r:shell:s0
setenv HOSTNAME console
service kmsg_log /system/bin/kmsg.sh
class late_start
service syslog /system/bin/logcat -f /data/log/system.log -r 10240 -v time
user root
group system
oneshot
2.Performance
3.Stability