Messages in this thread | | | Date | Wed, 24 Feb 2016 11:49:10 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [PATCH v8 1/8] time: Add cycles to nanoseconds translation |
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On Mon, 22 Feb 2016, Christopher S. Hall wrote:
> The timekeeping code does not currently provide a way to translate > externally provided clocksource cycles to system time. The cycle count > is always provided by the result clocksource read() method internal to > the timekeeping code. The added function timekeeping_cycles_to_ns() > calculated a nanosecond value from a cycle count that can be added to > tk_read_base.base value yielding the current system time. This allows > clocksource cycle values external to the timekeeping code to provide a > cycle count that can be transformed to system time.
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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