Help¶

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

Defaults¶

2 if SOC_ESP32
1

Kconfig definitions¶

At arch/xtensa/soc/esp32/Kconfig.defconfig:18

Included via Kconfig:10 → Kconfig.zephyr:20

Menu path: (top menu)

config MP_NUM_CPUS
    int
    default 2 if SOC_ESP32
    depends on SOC_ESP32

At kernel/Kconfig:664

Included via Kconfig:10 → Kconfig.zephyr:25

Menu path: (top menu) → General Kernel Options → SMP Options

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

(Definitions include propagated dependencies, including from if’s and menus.)