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Clock Source (clocksource)

Clock source.

Device Type​

DEVICE_TYPE_CLOCKSOURCE

Structure​

struct clocksource_t {
    struct clocksource_keeper_t keeper;
    char * name;
    uint64_t mask;
    uint32_t mult, shift;
    uint64_t (*read)(struct clocksource_t * cs);
    void * priv;
};

Key API​

FunctionDescription
search_clocksource(name)Find a clock source by name
register_clocksource(cs, drv)Register a clock source
unregister_clocksource(cs)Unregister a clock source
ktime_get()Get system kernel time

Description​

Free-running monotonic counter, provides a continuous time base using a high-frequency hardware counter and scaling math.