전체 순서 요약표

 

순서단계주체핵심 역할성공 기준

1	U-Boot	bootloader	kernel, ramdisk, DTB 로드	Starting kernel
2	Kernel early boot	Linux kernel	CPU/MMU/GIC/timer/memory 초기화	CPU online, console active
3	Driver probe	Linux kernel	block/display/input/network driver probe	/dev/vda, input, DRM 등 생성
4	/init 실행	kernel → init	첫 user process 실행	Run /init as init process
5	init first stage	Android init	/system early mount, switch root	/system mount success
6	SELinux setup	init	sepolicy load	Loading SELinux policy
7	init second stage	init	init.rc parse, property, service 준비	init second stage started
8	APEX bootstrap	apexd	/system/apex scan/mount	APEX candidates added
9	linkerconfig bootstrap	linkerconfig	bootstrap namespace 생성	ld_config=1
10	native daemon start	init	logd, vold, keystore2 등 시작	service running
11	APEX activated	apexd	full APEX activation	apexd.status activated/ready
12	linkerconfig default	linkerconfig	default namespace 생성	default namespace marked ready
13	classpath/odsign	init/odsign	BOOTCLASSPATH/SYSTEMSERVERCLASSPATH 준비	odsign.verification.done=1
14	zygote start	init	/system/bin/app_process64 실행	zygote pid 생성
15	ART VM 생성	zygote	JNI_CreateJavaVM, Runtime 생성	Runtime::Create success
16	ZygoteInit	zygote Java	preload, socket, fork 준비	ZygoteInit.main() 진행
17	system_server fork	zygote	system_server child 생성	child specialize
18	services.jar 로딩	system_server / ART	system server Java framework 로딩	services.jar LoadDexFiles 완료
19	SystemServer.main	system_server	framework service 시작점	SystemServer.main() marker
20	startBootstrapServices	system_server	AMS/PMS/DMS/PMS 등 핵심 서비스	bootstrap 완료
21	startCoreServices	system_server	battery/webview/usage 등 core 서비스	core 완료
22	startOtherServices	system_server	WMS/IMS/network/audio 등	other 완료
23	DisplayViewport	DMS/IMS/InputReader	display-input 좌표 매핑	viewport 전달
24	SurfaceFlinger/HWC	native graphics	UI composition/display 출력	frame 표시
25	Launcher	ActivityManager	Home Activity 시작	launcher visible
26	boot_completed	framework	부팅 완료 property/broadcast	sys.boot_completed=1

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