Re: [RFC] New timeofday proposal (v.A1)

From: Christoph Lameter
Date: Wed Dec 08 2004 - 19:44:34 EST


On Wed, 8 Dec 2004, john stultz wrote:

> Well, its not *that* bad. Similar to the ntp_scale() function, it would
> look something like:
>
> if (interval <= offset_len)
> return (interval * singleshot_mult)>>shift;
> else {
> cycle_t v1,v2;
> v1 = (offset_len * singleshot_mult)>>shift;
> v2 = (interval-offset_len)*adjusted_mult)>>shift;
> return v1+v2;
> }
>
> Where:
> singleshot_mult = original_mult + ntp_adj + ss_mult
> and
> adjusted_mult = original_mult + ntp_adj
>
>

Yuck. Do we support this kind of thing today? Support for periods of a
tick or so is not an issue right?

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