Ok, thanks for the information.
Regards,
Filip Verwee.
-----Original Message-----
From: Miroslav Lichvar <mlich...@redhat.com>
Sent: Tuesday, March 12, 2024 10:02 AM
To: chrony-dev@chrony.tuxfamily.org
Subject: Re: [chrony-dev] timex kernel offset parameter not updated
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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