:orphan:

.. title:: LOG_BACKEND_RTT_BUFFER_SIZE

.. option:: CONFIG_LOG_BACKEND_RTT_BUFFER_SIZE

*Size of reserved up-buffer for logger output.*

Type: ``int``

Help
====

.. code-block:: none

    Specify reserved size of up-buffer used for logger output.

Direct dependencies
===================

\ :option:`LOG_BACKEND_RTT_BUFFER <CONFIG_LOG_BACKEND_RTT_BUFFER>` > 0 && \ :option:`LOG_BACKEND_RTT <CONFIG_LOG_BACKEND_RTT>` && !\ :option:`LOG_FRONTEND <CONFIG_LOG_FRONTEND>` && !\ :option:`LOG_MINIMAL <CONFIG_LOG_MINIMAL>` && \ :option:`LOG <CONFIG_LOG>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- 1024

Kconfig definition
==================



At ``<Zephyr Subsystem>/logging/Kconfig.backends:171``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``<Zephyr Subsystem>/Kconfig:31`` → ``<Zephyr Subsystem>/logging/Kconfig:23``

Menu path: (Top) → Sub Systems and OS Services → Logging → Backends → Enable Segger J-Link RTT backend

.. code-block:: kconfig

    config LOG_BACKEND_RTT_BUFFER_SIZE
    	int "Size of reserved up-buffer for logger output."
    	default 1024
    	depends on LOG_BACKEND_RTT_BUFFER > 0 && LOG_BACKEND_RTT && !LOG_FRONTEND && !LOG_MINIMAL && LOG
    	help
    	  Specify reserved size of up-buffer used for logger output.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*