:orphan:

.. title:: TICKLESS_IDLE

.. option:: CONFIG_TICKLESS_IDLE

*Tickless idle*

Type: ``bool``

Help
====

This option suppresses periodic system clock interrupts whenever the
kernel becomes idle. This permits the system to remain in a power
saving state for extended periods without having to wake up to
service each tick as it occurs.

Default
=======

- y if \ :option:`PM <CONFIG_PM>` || \ :option:`TICKLESS_CAPABLE <CONFIG_TICKLESS_CAPABLE>`

Symbols that select this symbol
===============================

- \ :option:`PM <CONFIG_PM>`

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

.. highlight:: kconfig

At ``kernel/Kconfig:835``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:30``

Menu path: (Top) → General Kernel Options

.. parsed-literal::

    config TICKLESS_IDLE
    	bool "Tickless idle"
    	default y if \ :option:`PM <CONFIG_PM>` || \ :option:`TICKLESS_CAPABLE <CONFIG_TICKLESS_CAPABLE>`
    	help
    	  This option suppresses periodic system clock interrupts whenever the
    	  kernel becomes idle. This permits the system to remain in a power
    	  saving state for extended periods without having to wake up to
    	  service each tick as it occurs.

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