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adb shell dumpsys

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adb shell dumpsys

adb shell dumpsys is a command that dumps interesting system state to the log.

{% highlight bash %} $ adb shell dumpsys | grep DUMP DUMP OF SERVICE SurfaceFlinger: DUMP OF SERVICE accessibility: DUMP OF SERVICE account: DUMP OF SERVICE activity: DUMP OF SERVICE alarm: DUMP OF SERVICE appwidget: DUMP OF SERVICE audio: DUMP OF SERVICE backup ... {% endhighlight %}

You can dump the info to log, cpuinfo meminfo activity … e.g. dump meminfo for VPlayer apk

{% highlight bash %}

$ adb shell dumpsys meminfo 'me.abitno.vplayer.t'
Applications Memory Usage (kB):
Uptime: 63530153 Realtime: 99233241

** MEMINFO in pid 4592 [me.abitno.vplayer.t] **
                         Shared  Private     Heap     Heap     Heap
                   Pss    Dirty    Dirty     Size    Alloc     Free
                ------   ------   ------   ------   ------   ------
       Native        0        0        0     3576     3549       14
       Dalvik     4705    10472     4496    10312    10096      216
       Cursor        2        4        0
       Ashmem        0        0        0
    Other dev    12933     3172     7404
     .so mmap      858     1848      496
    .jar mmap        0        0        0
    .apk mmap       99        0        0
    .ttf mmap        5        0        0
    .dex mmap        0        0        0
   Other mmap      381       16       32
      Unknown     2620      652     2612
        TOTAL    21603    16164    15040    13888    13645      230

 Objects
               Views:      172         ViewRootImpl:        1
         AppContexts:        4           Activities:        1
              Assets:        2        AssetManagers:        2
       Local Binders:       31        Proxy Binders:       26
    Death Recipients:        1
     OpenSSL Sockets:        0

{% endhighlight %}

How to look for the help?

use argument -h to look for the help (e.g.adb shell dumpsys xxx -h) I wanna check the service for VPlayer apk

{% highlight bash %} $ adb shell dumpsys activity s | grep me.abitno.vplayer.t * ServiceRecord{42220f60 u0 me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService} intent={cmp=me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService} packageName=me.abitno.vplayer.t processName=me.abitno.vplayer.t:vplayer baseDir=/data/app/me.abitno.vplayer.t-2.apk dataDir=/data/data/me.abitno.vplayer.t app=ProcessRecord{41fd8060 4664:me.abitno.vplayer.t:vplayer/u0a10063} intent={cmp=me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService} * Client AppBindRecord{422cee00 ProcessRecord{41fd8060 4664:me.abitno.vplayer.t:vplayer/u0a10063}} ConnectionRecord{422ceea0 u0 CR me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService:@41f91e78} ConnectionRecord{422ceea0 u0 CR me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService:@41f91e78} * ServiceRecord{42842348 u0 me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService} intent={cmp=me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService} packageName=me.abitno.vplayer.t processName=me.abitno.vplayer.t:vplayer baseDir=/data/app/me.abitno.vplayer.t-2.apk dataDir=/data/data/me.abitno.vplayer.t app=ProcessRecord{41fd8060 4664:me.abitno.vplayer.t:vplayer/u0a10063} intent={cmp=me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService} * Client AppBindRecord{41c4d038 ProcessRecord{41e1d140 4592:me.abitno.vplayer.t/u0a10063}} ConnectionRecord{41c36700 u0 CR me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService:@41e5d778} ConnectionRecord{41c36700 u0 CR me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService:@41e5d778} * ConnectionRecord{422ceea0 u0 CR me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService:@41f91e78} binding=AppBindRecord{422cee00 me.abitno.vplayer.t/me.abitno.vplayer.VPlayerService:me.abitno.vplayer.t:vplayer} * ConnectionRecord{41c36700 u0 CR me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService:@41e5d778} binding=AppBindRecord{41c4d038 me.abitno.vplayer.t/me.abitno.vplayer.RemoteVPlayerService:me.abitno.vplayer.t} activity=ActivityRecord{4218da70 u0 me.abitno.vplayer.t/me.abitno.media.explorer.FileExplorerContainer} {% endhighlight %}

dumpsys source code locate https://android.googlesource.com/platform/frameworks/native/+/master/cmds dumpstate is a tool dumps the current system state to stdout, it's a full info.