[Linuxptp-users] Expected throughput of the ptp4l

[Chandra M. <sma...@al...>]

Hi Friends,

Do we have any performance numbers for the ptp4l stack performance on a 10Gbps link? When I increase the sync packet frequency to 512 and the DelayReq packet frequency to 512, I see many synchronization faults, meaning that the ptp4l runs for some time, faces synchronization faults, resumes the sync operation, faces the sync faults and resumes the operation showing a lot of instability in the overall ptp stack operation.

Is it due to the limitation from the stack performance as the HW supports a 10G link? The 512 packets per sync and 512 packet sets of {DelayReq, DelayResp} donot occupy even 1% of the 10Gbps bandwidth.

Could you elaborate your experience with the ptp4l performance?

Thanking you in anticipation,
Regards,
Chandra

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