struct hrtimer — the basic hrtimer structure
struct hrtimer {
struct rb_node node;
ktime_t expires;
enum hrtimer_restart (* function) (struct hrtimer *);
struct hrtimer_clock_base * base;
unsigned long state;
enum hrtimer_cb_mode cb_mode;
struct list_head cb_entry;
#ifdef CONFIG_TIMER_STATS
void * start_site;
char start_comm[16];
int start_pid;
#endif
}; red black tree node for time ordered insertion
the absolute expiry time in the hrtimers internal representation. The time is related to the clock on which the timer is based.
timer expiry callback function
pointer to the timer base (per cpu and per clock)
state information (See bit values above)
high resolution timer feature to select the callback execution mode
list head to enqueue an expired timer into the callback list
timer statistics field to store the site where the timer was started
timer statistics field to store the name of the process which started the timer
timer statistics field to store the pid of the task which started the timer