Function lock_profile_obtain_lock_failed

freebsd/sys/lock_profile.h:54–62

void lock_profile_thread_exit(struct thread *td);

static inline void
lock_profile_obtain_lock_failed(struct lock_object *lo, int *contested,
    uint64_t *waittime)
{
	if (!lock_prof_enable || (lo->lo_flags & LO_NOPROFILE) || *contested)
		return;
	*waittime = nanoseconds();
	*contested = 1;
}

#else /* !LOCK_PROFILING */