:orphan:

.. title:: PRINTK_BUFFER_SIZE

.. option:: CONFIG_PRINTK_BUFFER_SIZE

*printk() buffer size*

Type: ``int``

Help
====

If userspace is enabled, printk() calls are buffered so that we do
not have to make a system call for every character emitted. Specify
the size of this buffer.

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

\ :option:`PRINTK <CONFIG_PRINTK>` && \ :option:`USERSPACE <CONFIG_USERSPACE>`

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

Default
=======

- 32

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

.. highlight:: kconfig

At ``subsys/debug/Kconfig:179``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``subsys/Kconfig:17``

Menu path: (Top) → Sub Systems and OS Services → Debugging Options → Send printk() to console

.. parsed-literal::

    config PRINTK_BUFFER_SIZE
    	int "printk() buffer size"
    	default 32
    	depends on \ :option:`PRINTK <CONFIG_PRINTK>` && \ :option:`USERSPACE <CONFIG_USERSPACE>`
    	help
    	  If userspace is enabled, printk() calls are buffered so that we do
    	  not have to make a system call for every character emitted. Specify
    	  the size of this buffer.

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