On Tue, Mar 12, 2024 at 08:35:43AM +0000, Filip Verwee wrote:
> Hi Miroslav,
>
> Thanks for the reply.
>
> Even if chronyd is not using the kernel PLL, wouldn't it be still possible to
> update the offset parameter?
No, the offset can be set only when the PLL is enabled. In the
kernel code (kernel/time/ntp.c):
static void ntp_update_offset(long offset)
{
s64 freq_adj;
s64 offset64;
long secs;
if (!(time_status & STA_PLL))
return;
Even if it could be set and it did nothing except being reported back
in timex, chronyd would need to update it periodically to be useful.
I don't think that would be acceptable as chronyd is supposed to be
friendly to power saving.
--
Miroslav Lichvar
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