## Timer subsystem related configuration options# # Options selectable by arch Kconfig # Watchdog function for clocksources to detect instabilitiesconfig CLOCKSOURCE_WATCHDOG	bool # Architecture has extra clocksource dataconfig ARCH_CLOCKSOURCE_DATA	bool # Platforms has a persistent clockconfig ALWAYS_USE_PERSISTENT_CLOCK	bool	default n # Timekeeping vsyscall supportconfig GENERIC_TIME_VSYSCALL	bool # Timekeeping vsyscall supportconfig GENERIC_TIME_VSYSCALL_OLD	bool # ktime_t scalar 64bit nsec representationconfig KTIME_SCALAR	bool # Old style timekeepingconfig ARCH_USES_GETTIMEOFFSET	bool # The generic clock events infrastructureconfig GENERIC_CLOCKEVENTS	bool # Migration helper. Builds, but does not invokeconfig GENERIC_CLOCKEVENTS_BUILD	bool	default y	depends on GENERIC_CLOCKEVENTS # Architecture can handle broadcast in a driver-agnostic wayconfig ARCH_HAS_TICK_BROADCAST	bool # Clockevents broadcasting infrastructureconfig GENERIC_CLOCKEVENTS_BROADCAST	bool	depends on GENERIC_CLOCKEVENTS # Automatically adjust the min. reprogramming time for# clock event deviceconfig GENERIC_CLOCKEVENTS_MIN_ADJUST	bool # Generic update of CMOS clockconfig GENERIC_CMOS_UPDATE	bool if GENERIC_CLOCKEVENTSmenu "Timers subsystem" # Core internal switch. Selected by NO_HZ / HIGH_RES_TIMERS. This is# only related to the tick functionality. Oneshot clockevent devices# are supported independ of this.config TICK_ONESHOT	bool config NO_HZ	bool "Tickless System (Dynamic Ticks)"	depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS	select TICK_ONESHOT	help	  This option enables a tickless system: timer interrupts will	  only trigger on an as-needed basis both when the system is	  busy and when the system is idle. config HIGH_RES_TIMERS	bool "High Resolution Timer Support"	depends on !ARCH_USES_GETTIMEOFFSET && GENERIC_CLOCKEVENTS	select TICK_ONESHOT	help	  This option enables high resolution timer support. If your	  hardware is not capable then this option only increases	  the size of the kernel image. endmenuendif