SurfaceFlinger, accessibility, account, activity, alarm, appwidget, audio, backup, battery, batteryinfo, bluetooth, bluetooth_a2dp, clipboard, connectivity, content, cpuinfo, device_policy, devicestoragemonitor, diskstats, dropbox, entropy, hardware, hdmi, input_method, iphonesubinfo, isms, location, media.audio_flinger, media.audio_policy, media.camera, media.player, meminfo, mount, netstat, network_management, notification, package, permission, phone, power, search, sensor, simphonebook, statusbar, telephony.registry, throttle, uimode, usagestats, vibrator, wallpaper, wifi, window
例如：
adb shell dumpsys activity
Currently running services:
SurfaceFlinger
accessibility
account
activity
alarm
appwidget
audio
battery
batteryinfo
clipboard
connectivity
content
cpuinfo
device_policy
devicestoragemonitor
diskstats
dropbox
entropy
hardware
input_method
iphonesubinfo
isms
location
media.audio_flinger
media.audio_policy
media.camera
media.player
meminfo
mount
mzsimphonebook
netstat
network_management
notification
package
permission
phone
power
search
sensorservice
simphonebook
statusbar
telephony.registry
throttle
uimode
usagestats
vibrator
wallpaper
wifi
window