[转] Android系统运行状态查看工具dumpsys的使用



原文地址：http://www.2cto.com/kf/201407/315923.html

Android提供的dumpsys工具可以用于查看感兴趣的系统服务信息与状态，手机连接电脑后可以直接命令行执行adb shell dumpsys 查看所有支持的Service但是这样输出的太多，可以通过dumpsys | grep "DUMP OF SERVICE" 仅显示主要的Service的信息

一、列出dumpsys所有支持命令

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> adb shell

> dumpsys | grep "DUMP OF SERVICE"

以下是在我个人三星S3手机上的输出信息

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C:\Windows\System32>adb shell

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。
查看每一个命令的使用帮助，以下以meminfo 为例演示：

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shell@m:/ $ dumpsys meminfo -h

dumpsys meminfo -h

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

  -a: include all available informationfor 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.

三、一些关键命令解释

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）