My target setup is the master side of the synchronization. I am using ubuntu bionic 5.4.0 on that machine.
My bench test setup master is Ubuntu 16.04. I am testing on that setup. The slave is a third party sensor that is running linux and linuxptp. I contacted the sensor manufacturer, but they are not available to answer questions at this time. Results from my bench test computer. Ethernet controller: Intel Corporation Ethernet Connection (6) I219-LM (rev 30). ethtool -i enp0s31f6 driver: e1000e version: 3.2.6-k firmware-version: 0.4-3 expansion-rom-version: bus-info: 0000:00:1f.6 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: no Thanks, Mark ________________________________ From: Jacob Keller <jacob.e.kel...@intel.com> Sent: Tuesday, September 15, 2020 2:35 PM To: Mark Priest <pri...@torc.ai>; linuxptp-users@lists.sourceforge.net <linuxptp-users@lists.sourceforge.net> Subject: Re: [Linuxptp-users] Time Jumps whole seconds only On 9/15/2020 8:11 AM, Mark Priest wrote: > The master is hardware on Intel Corporation I350 Gigabit Network > Connection NICs (IGB driver) the ptp4l command is /usr/sbin/ptp4l -f > /etc/linuxptp/ptp4l.conf -i enp0s31f6. See attached configuration files. > > The slave is using the PTP profile "default-relaxed". > > Any insight on how to go about getting the slave to time jump to the > exact time and not just to whole seconds will be appreciated. > > > Thanks, > Mark > What kernel are you using? Can you provide "ethtool -i" output for your device? According to the pi servo, we go into SERVO_JUMP state when the step threshold is reached. clock.c will call clockadj_step with that offset in nanoseconds, so this should be passing the full offset. One way to check this would be to get some debug logging in clock.c that traces the offset value. CAUTION: This email originated from outside of TORC's email system. DO NOT click links or open attachments unless you recognize the sender and know the content is safe. Email is NOT a secure means of communication. Handle potentially sensitive information with care. Confidentiality Notice: This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply email and destroy all copies of the original message.
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