[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工具可以用於查看感興趣的系統服務信息與狀態，手機連接電腦后可以直接命令行執行adb shell dumpsys 查看所有支持的Service但是這樣輸出的太多，可以通過dumpsys | grep "DUMP OF SERVICE" 僅顯示主要的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手機上的輸出信息

    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、具體命令如何查看幫助

從上面可以看出Service非常多，“DUMP OF SERVICE”關鍵字后面的單詞都可以直接通過 dumpsys + 單詞 查看相關信息，具體每一個如何使用有一種通用的查看幫助的辦法。

 

查看每一個命令的使用幫助，以下以meminfo 為例演示：

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、一些關鍵命令解釋

名字	功能
account	顯示accounts信息
activity	顯示所有的activities的信息
cpuinfo	顯示CPU信息
window	顯示鍵盤，窗口和它們的關系
wifi	顯示wifi信息
batteryinfo $package_name	電量信息及CPU 使用時長
package packagename	獲取安裝包信息
usagestats	每個界面啟動的時間
statusbar	顯示狀態欄相關的信息
meminfo	內存信息（meminfo $package_name or $pid  使用程序的包名或者進程id顯示內存信息）
diskstats	磁盤相關信息
battery	電池信息
alarm	顯示Alarm信息

 

activity  -  使用adb shell dumpsys檢測Android的Activity任務棧

window -  通過adb shell dumpsys命令獲取當前應用的component

statusbar -  找出廣告通知屬於哪個應用

    dumpsys statusbar | grep notification=Notification 

四、參考資料

Dumpsys （官方文檔）
How to discover memory usage of my application in Android
android中dumpsys函數介紹與使用 （代碼分析）
來自： http://blog.csdn.net/androiddevelop/article/details/37689339