Local Master

Enhanced PTP User Guide (UG1602)

Document ID
UG1602
Release Date
2022-10-18
Revision
1.0 English

From a VM running as the Local Master, output similar to the following should be observed.

Note: ens224 is the sfptpd interface (VF) in this example.
2019-01-06 16:14:02.125089 [ptp1:gm->phc0(ens224)], offset: -15.000, freq-adj: 399.273, in-sync: 1, one-way-delay: 3166.000, parent-id: 000f:53ff:fe55:aabb, gm-id: f452:14ff:fe4c:7020
2019-01-06 16:14:02.126189 [servo0:phc0->system], offset: -15.000, freq-adj: 399.273, in-sync: 1
  • The first line identifies the time offset (nanoseconds) of the adapter clock from the upstream master clock.
  • The second line identifies the time offset (nanoseconds) of the guest OS system clock from the adapter clock.