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time: Introduce get_monotonic_boottime and ktime_get_boottime

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This adds new functions that return the monotonic time since boot
(in other words, CLOCK_MONOTONIC + suspend time).

CC: Jamie Lokier <[email protected]>
CC: Thomas Gleixner <[email protected]>
CC: Alexander Shishkin <[email protected]>
CC: Arve Hjønnevåg <[email protected]>
Signed-off-by: John Stultz <[email protected]>
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John Stultz committed 2011-02-21 12:53:05 -08:00
1 parent e06383db9e
commit abb3a4ea2e
3 files changed
+52 -1
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include/linux/hrtimer.h
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@@ -312,6 +312,7 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
extern ktime_t ktime_get(void);
extern ktime_t ktime_get_real(void);
extern ktime_t ktime_get_boottime(void);
DECLARE_PER_CPU(struct tick_device, tick_cpu_device);