参照元

説明

参考

実装

/**
 * struct hrtimer - the basic hrtimer structure
 * @node:       timerqueue node, which also manages node.expires,
 *              the absolute expiry time in the hrtimers internal
 *              representation. The time is related to the clock on
 *              which the timer is based. Is setup by adding
 *              slack to the _softexpires value. For non range timers
 *              identical to _softexpires.
 * @_softexpires: the absolute earliest expiry time of the hrtimer.
 *              The time which was given as expiry time when the timer
 *              was armed.
 * @function:   timer expiry callback function
 * @base:       pointer to the timer base (per cpu and per clock)
 * @state:      state information (See bit values above)
 * @start_pid: timer statistics field to store the pid of the task which
 *              started the timer
 * @start_site: timer statistics field to store the site where the timer
 *              was started
 * @start_comm: timer statistics field to store the name of the process which
 *              started the timer
 *
 * The hrtimer structure must be initialized by hrtimer_init()
 */
struct hrtimer {
        struct timerqueue_node          node;
        ktime_t                         _softexpires;
        enum hrtimer_restart            (*function)(struct hrtimer *);
        struct hrtimer_clock_base       *base;
        unsigned long                   state;
#ifdef CONFIG_TIMER_STATS
        int                             start_pid;
        void                            *start_site;
        char                            start_comm[16];
#endif
};

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Last-modified: 2016-06-14 (火) 10:25:38