On Fri, May 12, 2017 at 10:26:12AM -0700, John Stultz wrote:
> On Fri, May 12, 2017 at 8:14 AM, Miroslav Lichvar wrote:
> > I see this with real PHCs and PTP/NTP synchronization too. It's very
> > confusing when the timekeeping changes so much for no apparent reason.
> > If we can't remove the old
On Fri, May 12, 2017 at 8:14 AM, Miroslav Lichvar wrote:
> On Tue, Jul 15, 2014 at 09:02:38PM -0700, John Stultz wrote:
>> On 07/08/2014 04:08 AM, Miroslav Lichvar wrote:
>> > I spent some time trying to figure out a workaround for the nanosecond
>> > rounding, but I didn't find anything that woul
On Tue, Jul 15, 2014 at 09:02:38PM -0700, John Stultz wrote:
> On 07/08/2014 04:08 AM, Miroslav Lichvar wrote:
> > I spent some time trying to figure out a workaround for the nanosecond
> > rounding, but I didn't find anything that wouldn't complicate the mult
> > adjustment logic and bring back th
On Tue, Jul 15, 2014 at 09:02:38PM -0700, John Stultz wrote:
> On 07/08/2014 04:08 AM, Miroslav Lichvar wrote:
> > It seems it may be a while before the old vsyscalls are fixed. How
> > about including only the first two patches from this set for now?
>
> Hey! Sorry for the slow response here, I w
On Tue, 15 Jul 2014, John Stultz wrote:
> On 07/08/2014 04:08 AM, Miroslav Lichvar wrote:
> > On Mon, May 19, 2014 at 10:57:29AM -0700, John Stultz wrote:
> >> Another area we have to be careful with is there are still
> >> architectures (powerpc and ia64) which haven't switched from the old
> >>
On 07/08/2014 04:08 AM, Miroslav Lichvar wrote:
> On Mon, May 19, 2014 at 10:57:29AM -0700, John Stultz wrote:
>> Another area we have to be careful with is there are still
>> architectures (powerpc and ia64) which haven't switched from the old
>> vsyscall rounding logic (CONFIG_GENERIC_TIME_VSYSCA
On Mon, May 19, 2014 at 10:57:29AM -0700, John Stultz wrote:
> Another area we have to be careful with is there are still
> architectures (powerpc and ia64) which haven't switched from the old
> vsyscall rounding logic (CONFIG_GENERIC_TIME_VSYSCALL_OLD). In these
> cases we add up to 1ns of error e
On Mon, May 19, 2014 at 10:57:29AM -0700, John Stultz wrote:
> On Mon, May 19, 2014 at 3:14 AM, Miroslav Lichvar wrote:
> > Ok, so it seems to be almost identical to my patch now. The only two
> > differences seem to be the removal of the ntp_error correction to
> > change the effective clock freq
On Mon, May 19, 2014 at 3:14 AM, Miroslav Lichvar wrote:
> On Fri, May 16, 2014 at 05:56:41PM -0700, John Stultz wrote:
>> This version of the patch set corrects a few issues Miroslav pointed
>> out, as well as adapts his approach almost completely for the last
>> patch. This pulls the results in
On Fri, May 16, 2014 at 05:56:41PM -0700, John Stultz wrote:
> This version of the patch set corrects a few issues Miroslav pointed
> out, as well as adapts his approach almost completely for the last
> patch. This pulls the results in to be very close to his original
> patch.
Ok, so it seems to b
I managed to find some time to further work on the next iteration here.
This patch set, based on ideas from Miroslav, tries to improve the ntp
freq steering when using NOHZ.
Rather then just doing error proportional correction, this patchset
splits the logic to two steps: frequency correction an
11 matches
Mail list logo
