On Mon, Jun 10, 2013 at 7:37 AM, Rick Byers <[email protected]> wrote:
> There's been discussion / patches in the past for exposing system time as > a separate timestamp on the Event object (as IE does). See > https://lists.webkit.org/pipermail/webkit-dev/2012-October/022574.html, > https://bugs.webkit.org/show_bug.cgi?id=94987 and > http://lists.w3.org/Archives/Public/public-web-perf/2012Oct/0046.html. > > In particular, the use of UNIX-epoch timestamps means such measurements > will never be completely accurate (due to NTP skew, leap seconds, etc.). > But just updating the timestamp everyone uses to be more accurate (even if > not perfect) seems like a clear win. > > Do you think both approaches should be pursued, or is updating the > existing timestamp to be as accurate as possible within the epoch semantics > good enough? > Kind of different goals in one timestamp. :) For input events, the accurate time delta covers many use cases. High precision time would be nice but it is not really a must have. For other kind of events, a high precision timestamp like you suggest could make sense. Benjamin
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