Re: Question about ktime_get_mono_fast_ns() non-monotonic behavior

[Yosry Ahmed]

On Wed, Oct 12, 2022 at 8:07 PM John Stultz <jstultz@xxxxxxxxxx> wrote:
>
> On Wed, Oct 12, 2022 at 8:02 PM John Stultz <jstultz@xxxxxxxxxx> wrote:
> > On Mon, Sep 26, 2022 at 2:18 PM Yosry Ahmed <yosryahmed@xxxxxxxxxx> wrote:
> > So I think it reasonable to say its bounded by approximately  2 *
> > NSEC_PER_SEC/HZ +/- 11%.
>
> Sorry, this should be 2*NSEC_PER_SEC/HZ * 0.11

Thanks so much for the detailed response :)

IIUC this error bound is in ns. So on a 2 GHz cpu the bound is 0.11 ns
(essentially 0)? I feel like I miscalculated, this error bound is too
good to be true.

>
> thanks
> -john