CONFIG_TICKLESS_IDLE_THRESH

Tickless idle threshold

Type: int

Help

This option enables clock interrupt suppression when the kernel idles for only a short period of time. It specifies the minimum number of ticks that must occur before the next kernel timer expires in order for suppression to happen.

Direct dependencies

TICKLESS_IDLE

(Includes any dependencies from ifs and menus.)

Default

  • 3

Kconfig definition

At kernel/Kconfig:748

Included via Kconfig:8Kconfig.zephyr:36

Menu path: (Top) → General Kernel Options → Tickless idle

config TICKLESS_IDLE_THRESH
    int "Tickless idle threshold"
    default 3
    depends on TICKLESS_IDLE
    help
      This option enables clock interrupt suppression when the kernel idles
      for only a short period of time. It specifies the minimum number of
      ticks that must occur before the next kernel timer expires in order
      for suppression to happen.

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