early-init
wait_for_coldboot_done_action
keychord_init_action
init
early-fs
fs
post-fs
post-fs-data
property_service_init_action
signal_init_action
check_startup_action
early-boot
boot
queue_property_triggers
bootchart_init
原文：http://www.cnblogs.com/JonnyLulu/p/3745950.html