This is the documentation for the latest (main) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

System heap

Overview

A simple sample that can be used with any supported board and prints system heap usage to the console.

Building

This application can be built on native_posix as follows:

west build -b native_posix samples/basic/sys_heap

To build for another board, change “native_posix” above to that board’s name.

Running

Run build/zephyr/zephyr.exe

Sample Output

System heap sample

allocated 0, free 196, max allocated 0, heap size 256
allocated 156, free 36, max allocated 156, heap size 256
allocated 100, free 92, max allocated 156, heap size 256
allocated 0, free 196, max allocated 156, heap size 256