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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 PM || TICKLESS_CAPABLE

Symbols that select this symbol¶

PM

Kconfig definition¶

At kernel/Kconfig:835

Included via Kconfig:8 → Kconfig.zephyr:30

Menu path: (Top) → General Kernel Options

config TICKLESS_IDLE
    bool "Tickless idle"
    default y if PM || 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.)