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CONFIG_THREAD_MAX_NAME_LEN

Max length of a thread name

Type: int

Help

Thread names get stored in the k_thread struct. Indicate the max
name length, including the terminating NULL byte. Reduce this value
to conserve memory.

Direct dependencies

THREAD_NAME

(Includes any dependencies from ifs and menus.)

Defaults

• 32

• 64 if ZTEST

Kconfig definition

At kernel/Kconfig:351

Included via Kconfig:8 → Kconfig.zephyr:40

Menu path: (Top) → General Kernel Options → Kernel Debugging and Metrics → Thread name

config THREAD_MAX_NAME_LEN
    int "Max length of a thread name"
    range 8 128
    default 32
    default 64 if ZTEST
    depends on THREAD_NAME
    help
      Thread names get stored in the k_thread struct. Indicate the max
      name length, including the terminating NULL byte. Reduce this value
      to conserve memory.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)