On Thu, May 21, 2020 at 09:26:59AM -0400, cpham2...@comcast.net wrote: > My master clock and PTP clients on are a local network with no > PTP-support switches. There are 4 switches along the path between > the master clock and the clients. When I ran linuxptp in hardware > timestamp mode in the same network setting, I achieved great > results: 90% of master offsets is within 1 micro-sec. In software > timestamp mode the master offsets are higher than expected. Is > there anything I can do to improve the accuracy?
I am afraid that your results are in fact typical. There is a long and non-deterministic path from the frames on the wire to the software time stamp somewhere in the networking stack. Sorry, Richard _______________________________________________ Linuxptp-users mailing list Linuxptpemail@example.com https://lists.sourceforge.net/lists/listinfo/linuxptp-users