[Android Pro] Android 性能分析工具dumpsys的使用

reference to : http://www.open-open.com/lib/view/open1405061994872.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

    $ dumpsys | grep "DUMP OF SERVICE"  

以下是在三星S3手机上的输出信息

    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：

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. 

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）
来自：http://blog.csdn.net/androiddevelop/article/details/37689339