$ dumpsys | grep "DUMP OF SERVICE"  

    shell@m:/ $ dumpsys | grep "DUMP OF SERVICE"

    dumpsys | grep "DUMP OF SERVICE"

    DUMP OF SERVICE AtCmdFwd:

    DUMP OF SERVICE CustomFrequencyManagerService:

    DUMP OF SERVICE DirEncryptService:

    DUMP OF SERVICE Exynos.HWCService:

    DUMP OF SERVICE Exynos.IPService:

    DUMP OF SERVICE FMPlayer:

    DUMP OF SERVICE LEDService:

    DUMP OF SERVICE SecTVOutService:

    DUMP OF SERVICE SurfaceFlinger:

    DUMP OF SERVICE TvoutService_C:

    DUMP OF SERVICE accessibility:

    DUMP OF SERVICE account:

    DUMP OF SERVICE activity:

    DUMP OF SERVICE alarm:

    DUMP OF SERVICE android.security.keystore:

    DUMP OF SERVICE application_policy:

    DUMP OF SERVICE appops:

    DUMP OF SERVICE appwidget:

    DUMP OF SERVICE audio:

    DUMP OF SERVICE backup:

    DUMP OF SERVICE battery:

    DUMP OF SERVICE batteryinfo:

    DUMP OF SERVICE bluetooth_manager:

    DUMP OF SERVICE bluetooth_secure_mode_manager:

    DUMP OF SERVICE clipboard:

    DUMP OF SERVICE clipboardEx:

    DUMP OF SERVICE commontime_management:

    DUMP OF SERVICE connectivity:

    DUMP OF SERVICE container_service:

    DUMP OF SERVICE content:

    DUMP OF SERVICE country_detector:

    DUMP OF SERVICE cpuinfo:

    DUMP OF SERVICE dbinfo:

    DUMP OF SERVICE device_policy:

    DUMP OF SERVICE devicestoragemonitor:

    DUMP OF SERVICE diskstats:

    DUMP OF SERVICE display:

    DUMP OF SERVICE dreams:

    DUMP OF SERVICE drm.drmManager:

    DUMP OF SERVICE dropbox:

    DUMP OF SERVICE edmnativehelper:

    DUMP OF SERVICE enterprise_license_policy:

    DUMP OF SERVICE enterprise_policy:

    DUMP OF SERVICE entropy:

    DUMP OF SERVICE gfxinfo:

    DUMP OF SERVICE hardware:

    DUMP OF SERVICE harmony_eas_service:

    DUMP OF SERVICE input:

    DUMP OF SERVICE input_method:

    DUMP OF SERVICE iphonesubinfo:

    DUMP OF SERVICE isms:

    DUMP OF SERVICE license_log_service:

    DUMP OF SERVICE location:

    DUMP OF SERVICE lock_settings:

    DUMP OF SERVICE log_manager_service:

    DUMP OF SERVICE mdm.remotedesktop:

    DUMP OF SERVICE media.audio_flinger:

    DUMP OF SERVICE media.audio_policy:

    DUMP OF SERVICE media.camera:

    DUMP OF SERVICE media.player:

    DUMP OF SERVICE meminfo:

    DUMP OF SERVICE motion_recognition:

    DUMP OF SERVICE mount:

    DUMP OF SERVICE multiwindow:

    DUMP OF SERVICE netpolicy:

    DUMP OF SERVICE netstats:

    DUMP OF SERVICE network_management:

    DUMP OF SERVICE nfc:

    DUMP OF SERVICE nfccontroller:

    DUMP OF SERVICE notification:

    DUMP OF SERVICE package:

    DUMP OF SERVICE permission:

    DUMP OF SERVICE phone:

    DUMP OF SERVICE phone_restriction_policy:

    DUMP OF SERVICE phoneext:

    DUMP OF SERVICE power:

    DUMP OF SERVICE remoteinjection:

    DUMP OF SERVICE samplingprofiler:

    DUMP OF SERVICE samsung.smartfaceservice:

    DUMP OF SERVICE scheduling_policy:

    DUMP OF SERVICE search:

    DUMP OF SERVICE sec_analytics:

    DUMP OF SERVICE secontroller:

    DUMP OF SERVICE sensorservice:

    DUMP OF SERVICE serial:

    DUMP OF SERVICE servicediscovery:

    DUMP OF SERVICE simphonebook:

    DUMP OF SERVICE sip:

    DUMP OF SERVICE statusbar:

    DUMP OF SERVICE telephony.registry:

    DUMP OF SERVICE textservices:

    DUMP OF SERVICE tvoutservice:

    DUMP OF SERVICE uimode:

    DUMP OF SERVICE updatelock:

    DUMP OF SERVICE usagestats:

    DUMP OF SERVICE usb:

    DUMP OF SERVICE user:

    DUMP OF SERVICE vibrator:

    DUMP OF SERVICE voip:

    DUMP OF SERVICE wallpaper:

    DUMP OF SERVICE wfd:

    DUMP OF SERVICE wifi:

    DUMP OF SERVICE wifi_policy:

    DUMP OF SERVICE wifip2p:

    DUMP OF SERVICE window:

二、具体命令如何查看帮助

从上面可以看出Service非常多，“DUMP OF SERVICE”关键字后面的单词都可以直接通过 dumpsys + 单词 查看相关信息，具体每一个如何使用有一种通用的查看帮助的办法。

 

shell@m:/ $ dumpsys meminfo -h

    dumpsys meminfo -h

    meminfo dump options: [-a] [--oom] [process]

      -a: include all available information for each process.

      --oom: only show processes organized by oom adj.

    If [process] is specified it can be the name or

    pid of a specific process to dump. 

名字	功能
account	显示accounts信息
activity	显示所有的activities的信息
cpuinfo	显示CPU信息
window	显示键盘，窗口和它们的关系
wifi	显示wifi信息
batteryinfo $package_name	电量信息及CPU 使用时长
package packagename	获取安装包信息
usagestats	每个界面启动的时间
statusbar	显示状态栏相关的信息
meminfo	内存信息（meminfo $package_name or $pid  使用程序的包名或者进程id显示内存信息）
diskstats	磁盘相关信息
battery	电池信息
alarm	显示Alarm信息

activity  - 使用adb shell dumpsys检测Android的Activity任务栈

window - 通过adb shell dumpsys命令获取当前应用的component

statusbar - 找出广告通知属于哪个应用

    dumpsys statusbar | grep notification=Notification 

四、参考资料

Dumpsys （官方文档）
How to discover memory usage of my application in Android
android中dumpsys函数介绍与使用 （代码分析）
来自：http://blog.csdn.net/androiddevelop/article/details/37689339