:orphan:

.. title:: MP_NUM_CPUS

.. option:: CONFIG_MP_NUM_CPUS

*Number of CPUs/cores*

Type: ``int``

Help
====

Number of multiprocessing-capable cores available to the
multicpu API and SMP features.

Defaults
========

- 4
- 2
- 2
- 1

Kconfig definitions
===================

.. highlight:: kconfig

At ``soc/arc/snps_arc_hsdk/Kconfig.defconfig:36``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:28``

Menu path: (Top)

.. parsed-literal::

    config MP_NUM_CPUS
    	int
    	default 4
    	depends on \ :option:`SOC_ARC_HSDK <CONFIG_SOC_ARC_HSDK>`

----

At ``soc/arc/snps_nsim/Kconfig.defconfig.hs_smp:33``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:28`` → ``soc/arc/snps_nsim/Kconfig.defconfig:15``

Menu path: (Top)

.. parsed-literal::

    config MP_NUM_CPUS
    	int
    	default 2
    	depends on \ :option:`SOC_NSIM_HS_SMP <CONFIG_SOC_NSIM_HS_SMP>` && \ :option:`SOC_NSIM <CONFIG_SOC_NSIM>`

----

At ``soc/xtensa/esp32/Kconfig.defconfig:14``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:28``

Menu path: (Top)

.. parsed-literal::

    config MP_NUM_CPUS
    	int
    	default 2
    	depends on \ :option:`SOC_ESP32 <CONFIG_SOC_ESP32>`

----

At ``kernel/Kconfig:716``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:36``

Menu path: (Top) → General Kernel Options → SMP Options

.. parsed-literal::

    config MP_NUM_CPUS
    	int "Number of CPUs/cores"
    	range 1 4
    	default 1
    	help
    	  Number of multiprocessing-capable cores available to the
    	  multicpu API and SMP features.

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