struct hrtimer_base — the timer base for a specific clock
struct hrtimer_base {
clockid_t index;
spinlock_t lock;
struct rb_root active;
struct list_head pending;
unsigned long resolution;
ktime_t (* get_time) (void);
struct hrtimer * curr_timer;
}; clock type index for per_cpu support when moving a timer to a base on another cpu.
lock protecting the base and associated timers
red black tree root node for the active timers
list of pending timers for simple time ordered access
the resolution of the clock, in nanoseconds
function to retrieve the current time of the clock
the timer which is executing a callback right now