adb shell dumpsys 调出当前系统信息

adb shell service list

Found 74 services:
0	bluetoothMM: [vendor.mtk.bt.adp.ashm]
1	dreams: [android.service.dreams.IDreamManager]
2	commontime_management: []
3	DvdManagerService: [android.dvp.IDvdManagerService]
4	inputsource: [android.inputsource.IInputSourceService]
5	samplingprofiler: []
6	diskstats: []
7	appwidget: [com.android.internal.appwidget.IAppWidgetService]
8	backup: [android.app.backup.IBackupManager]
9	uimode: [android.app.IUiModeManager]
10	serial: [android.hardware.ISerialManager]
11	usb: [android.hardware.usb.IUsbManager]
12	audio: [android.media.IAudioService]
13	wallpaper: [android.app.IWallpaperManager]
14	dropbox: [com.android.internal.os.IDropBoxManagerService]
15	search: [android.app.ISearchManager]
16	country_detector: [android.location.ICountryDetector]
17	location: [android.location.ILocationManager]
18	devicestoragemonitor: []
19	notification: [android.app.INotificationManager]
20	updatelock: [android.os.IUpdateLock]
21	throttle: [android.net.IThrottleManager]
22	servicediscovery: [android.net.nsd.INsdManager]
23	connectivity: [android.net.IConnectivityManager]
24	wifi: [android.net.wifi.IWifiManager]
25	wifip2p: [android.net.wifi.p2p.IWifiP2pManager]
26	netpolicy: [android.net.INetworkPolicyManager]
27	netstats: [android.net.INetworkStatsService]
28	textservices: [com.android.internal.textservice.ITextServicesManager]
29	network_management: [android.os.INetworkManagementService]
30	clipboard: [android.content.IClipboard]
31	statusbar: [com.android.internal.statusbar.IStatusBarService]
32	device_policy: [android.app.admin.IDevicePolicyManager]
33	lock_settings: [com.android.internal.widget.ILockSettings]
34	mount: [IMountService]
35	accessibility: [android.view.accessibility.IAccessibilityManager]
36	input_method: [com.android.internal.view.IInputMethodManager]
37	mcu: [android.mcu.IMcuManager]
38	savedataservice: [com.yecon.savedata.ISaveDataService]
39	bluetooth_profile_manager: [android.bluetooth.IBluetoothProfileManager]
40	bluetooth_socket: [android.bluetooth.IBluetoothSocket]
41	bluetooth: [android.bluetooth.IBluetooth]
42	input: [android.hardware.input.IInputManager]
43	window: [android.view.IWindowManager]
44	alarm: [android.app.IAlarmManager]
45	cbm: [android.cbm.ICBMService]
46	vibrator: [android.os.IVibratorService]
47	battery: []
48	hardware: [android.os.IHardwareService]
49	content: [android.content.IContentService]
50	account: [android.accounts.IAccountManager]
51	user: [android.os.IUserManager]
52	permission: [android.os.IPermissionController]
53	cpuinfo: []
54	dbinfo: []
55	gfxinfo: []
56	meminfo: []
57	activity: [android.app.IActivityManager]
58	package: [android.content.pm.IPackageManager]
59	scheduling_policy: [android.os.ISchedulingPolicyService]
60	telephony.registry: [com.android.internal.telephony.ITelephonyRegistry]
61	display: [android.hardware.display.IDisplayManager]
62	usagestats: [com.android.internal.app.IUsageStats]
63	batteryinfo: [com.android.internal.app.IBatteryStats]
64	power: [android.os.IPowerManager]
65	entropy: []
66	sensorservice: [android.gui.SensorServer]
67	media.divxctrl: [android.media.divxctrl]
68	media.audio_policy: [android.media.IAudioPolicyService]
69	media.camera: [android.hardware.ICameraService]
70	media.player: [android.media.IMediaPlayerService]
71	media.audio_flinger: [android.media.IAudioFlinger]
72	drm.drmManager: [drm.IDrmManagerService]
73	SurfaceFlinger: [android.ui.ISurfaceComposer]

adb shell dumpsys cpuinfo

adb shell dumpsys window

adb shell dumpsys window | grep mFocusedWindow

adb shell dumpsys media.audio_flinger