| # |
| # Timer subsystem related configuration options |
| # |
| 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. |
| |
| config GENERIC_CLOCKEVENTS_BUILD |
| bool |
| default y |
| depends on GENERIC_CLOCKEVENTS || GENERIC_CLOCKEVENTS_MIGR |
| |
| config AR_CLOCK |
| bool "Anti-Rollback Clock Support" |
| default n |
| help |
| This option enables anti-rollback protection of the system |
| clock. /proc/ar_clock stores the earliest time_t which the |
| kernel will allow itself to be set to. /proc/ar_clock needs |
| to be set only once, at boot. The kernel will continually |
| advance it using the jiffies count. |
