[lkml]   [2018]   [Nov]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: TSC to Mono-raw Drift
On Tue, 23 Oct 2018, John Stultz wrote:
> On Fri, Oct 19, 2018 at 3:36 PM, John Stultz <> wrote:
> I spent a little bit of time thinking this out. Unfortunately I don't
> think its a simple matter of calculating the granularity error on the
> raw clock and adding it in each interval. The other trouble spot is
> that the adjusted clocks (monotonic/realtime) are adjusted off of that
> raw clock. So they would need to have that error added as well,
> otherwise the raw and a otherwise non-adjusted monotonic clock would
> drift.
> However, to be correct, the ntp adjustments made would have to be made
> to both the base interval + error, which mucks the math up a fair bit.

Hmm, confused as usual. Why would you need to do anything like that?



 \ /
  Last update: 2018-11-01 18:46    [W:0.099 / U:10.428 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site