8

I am looking for typical per app/process resource usage information (CPU, Memory, etc.). This information is often useful to find and identify misbehaving apps.

How can I monitor and visualize the current resource usage (CPU, Memory, etc.) caused by the running Apps?

5

There are several ways to collect this type of information, I'll be speaking about two that I use on a daily basis as to oversee what's going on with my devices:


Terminal

Using a terminal application, you are able to run Linux commands like top or ps that provide information about the currently running processes:

  • ps

    ps (i.e., process status) displays information about a selection of the active processes.

  • top

    The top program provides a dynamic real-time view of a running system. It can display system summary information as well as a list of tasks currently being managed by the Linux kernel.

The terminal I most use is called Android Terminal Emulator by Jack Palevich available from Google Play Store.


Application

There are several applications with the sole purpose of providing you with real-time information regarding the processes being executed, detailed information about apps and their system resources usage, system logs or system monitoring:

Android System Info by ElectricSheep available from Google Play Store.

This app presents information divided with 5 tabs:

  • Dashboard

    An overview of you device important information: battery usage; Internal Memory used/free; SDCard size and free space; RAM; etc.

  • System

    All system information is presented here: OS; Buildinfos; Battery; Memory; Telephony; Networks; Wifi; CPU; Screen; Sensors; Features; JavaProperties; and many more. Just tap over each one to unfold the detailed information.

  • Tasks

    Shows the total CPU load and CPU load/memory used for each process. You can tap a process to get more details about it; kill the process or switch to the process.

  • Apps

    List of all installed apps, providing means to stop or uninstall an app. If you tap over an app, you have several options like: launch; Manage; Uninstall; etc. Additionally, you are able to see all the useful information about the package itself and in relation to your system, including all permissions he uses.

  • Logs

    Provides you with your system logs. If you press "menu" the logs will be saved to your SD card.

    Android System Info - Dashboard, System, Tasks

    Android System Info - Apps Logs

  • 1
    This app doesn't work on Android 8 :( shows only the "Android System Info" in Tasks tab :( – Tomas Jul 6 '18 at 12:10
0

Settings -> Applications -> Application manager -> RUNNING
shows the memory taken up by running apps.

Trepn Profiler
shows CPU taken up by running apps (it has modes average and instantaneous).

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