Re: [PATCH v8 1/8] time: Add cycles to nanoseconds translation

Thomas Gleixner
2016-02-24T10:49:10Z

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>