179bf2bb3SThomas Gleixner# 279bf2bb3SThomas Gleixner# Timer subsystem related configuration options 379bf2bb3SThomas Gleixner# 479bf2bb3SThomas Gleixnerconfig TICK_ONESHOT 579bf2bb3SThomas Gleixner bool 679bf2bb3SThomas Gleixner default n 779bf2bb3SThomas Gleixner 879bf2bb3SThomas Gleixnerconfig NO_HZ 979bf2bb3SThomas Gleixner bool "Tickless System (Dynamic Ticks)" 1079bf2bb3SThomas Gleixner depends on GENERIC_TIME && GENERIC_CLOCKEVENTS 1179bf2bb3SThomas Gleixner select TICK_ONESHOT 1279bf2bb3SThomas Gleixner help 1379bf2bb3SThomas Gleixner This option enables a tickless system: timer interrupts will 1479bf2bb3SThomas Gleixner only trigger on an as-needed basis both when the system is 1579bf2bb3SThomas Gleixner busy and when the system is idle. 16*54cdfdb4SThomas Gleixner 17*54cdfdb4SThomas Gleixnerconfig HIGH_RES_TIMERS 18*54cdfdb4SThomas Gleixner bool "High Resolution Timer Support" 19*54cdfdb4SThomas Gleixner depends on GENERIC_TIME && GENERIC_CLOCKEVENTS 20*54cdfdb4SThomas Gleixner select TICK_ONESHOT 21*54cdfdb4SThomas Gleixner help 22*54cdfdb4SThomas Gleixner This option enables high resolution timer support. If your 23*54cdfdb4SThomas Gleixner hardware is not capable then this option only increases 24*54cdfdb4SThomas Gleixner the size of the kernel image. 25*54cdfdb4SThomas Gleixner 26