|
@@ -290,10 +290,65 @@ static void change_clocksource(void)
|
|
clock->name);
|
|
clock->name);
|
|
*/
|
|
*/
|
|
}
|
|
}
|
|
-#else
|
|
|
|
|
|
+#else /* GENERIC_TIME */
|
|
static inline void clocksource_forward_now(void) { }
|
|
static inline void clocksource_forward_now(void) { }
|
|
static inline void change_clocksource(void) { }
|
|
static inline void change_clocksource(void) { }
|
|
-#endif
|
|
|
|
|
|
+
|
|
|
|
+/**
|
|
|
|
+ * ktime_get - get the monotonic time in ktime_t format
|
|
|
|
+ *
|
|
|
|
+ * returns the time in ktime_t format
|
|
|
|
+ */
|
|
|
|
+ktime_t ktime_get(void)
|
|
|
|
+{
|
|
|
|
+ struct timespec now;
|
|
|
|
+
|
|
|
|
+ ktime_get_ts(&now);
|
|
|
|
+
|
|
|
|
+ return timespec_to_ktime(now);
|
|
|
|
+}
|
|
|
|
+EXPORT_SYMBOL_GPL(ktime_get);
|
|
|
|
+
|
|
|
|
+/**
|
|
|
|
+ * ktime_get_ts - get the monotonic clock in timespec format
|
|
|
|
+ * @ts: pointer to timespec variable
|
|
|
|
+ *
|
|
|
|
+ * The function calculates the monotonic clock from the realtime
|
|
|
|
+ * clock and the wall_to_monotonic offset and stores the result
|
|
|
|
+ * in normalized timespec format in the variable pointed to by @ts.
|
|
|
|
+ */
|
|
|
|
+void ktime_get_ts(struct timespec *ts)
|
|
|
|
+{
|
|
|
|
+ struct timespec tomono;
|
|
|
|
+ unsigned long seq;
|
|
|
|
+
|
|
|
|
+ do {
|
|
|
|
+ seq = read_seqbegin(&xtime_lock);
|
|
|
|
+ getnstimeofday(ts);
|
|
|
|
+ tomono = wall_to_monotonic;
|
|
|
|
+
|
|
|
|
+ } while (read_seqretry(&xtime_lock, seq));
|
|
|
|
+
|
|
|
|
+ set_normalized_timespec(ts, ts->tv_sec + tomono.tv_sec,
|
|
|
|
+ ts->tv_nsec + tomono.tv_nsec);
|
|
|
|
+}
|
|
|
|
+EXPORT_SYMBOL_GPL(ktime_get_ts);
|
|
|
|
+#endif /* !GENERIC_TIME */
|
|
|
|
+
|
|
|
|
+/**
|
|
|
|
+ * ktime_get_real - get the real (wall-) time in ktime_t format
|
|
|
|
+ *
|
|
|
|
+ * returns the time in ktime_t format
|
|
|
|
+ */
|
|
|
|
+ktime_t ktime_get_real(void)
|
|
|
|
+{
|
|
|
|
+ struct timespec now;
|
|
|
|
+
|
|
|
|
+ getnstimeofday(&now);
|
|
|
|
+
|
|
|
|
+ return timespec_to_ktime(now);
|
|
|
|
+}
|
|
|
|
+EXPORT_SYMBOL_GPL(ktime_get_real);
|
|
|
|
|
|
/**
|
|
/**
|
|
* getrawmonotonic - Returns the raw monotonic time in a timespec
|
|
* getrawmonotonic - Returns the raw monotonic time in a timespec
|