hrtimer_cancel

函数名称：hrtimer_cancel - cancel a timer and wait for the handler to finish.*@timer: the timer to be cancelled* Returns:* 0 when the timer was not active* 1 when the timer was active

函数原型：int hrtimer_cancel(struct hrtimer *timer)

返回类型：int

参数：

类型	参数	名称
struct hrtimer *	timer

**调用者**
名称	描述
do_nanosleep
schedule_hrtimeout_range_clock	schedule_hrtimeout_range_clock - sleep until timeout@expires: timeout value (ktime_t)@delta: slack in expires timeout (ktime_t)@mode: timer mode@clock_id: timer clock to be used
sched_clock_suspend
futex_wait
futex_lock_pi	Userspace tried a 0 -> TID atomic transition of the futex value* and failed. The kernel side here does the whole locking operation:* if there are waiters then it will block as a consequence of relying* on rt-mutexes, it does PI, etc
futex_wait_requeue_pi	ex_wait_requeue_pi() - Wait on uaddr and take uaddr2@uaddr: the futex we initially wait on (non-pi)@flags: futex flags (FLAGS_SHARED, FLAGS_CLOCKRT, etc
perf_swevent_cancel_hrtimer
ioc_pd_free
bfq_exit_queue
rt_mutex_slowlock	Slow path lock function:
blk_mq_poll_hybrid_sleep
timerfd_release

函数逻辑报告