2020-08-03 - 14:17
OSADL Projects

OSADL QA Farm on Real-time of Mainline Linux

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Real-time Ethernet (TSN) synchronization analysis (demonstrator)

OPC UA PubSub over TSN Demonstrator
OPC UA PubSub over TSN Demonstrator

Overview - Peer-to-peer - Star topology - Demonstrator (TSN) - Demonstrator (OPC UA PubSub over TSN)

A demonstrator with a 4-node switched network using embedded 4-core Intel Bay Trail Linux systems with Intel I210 controllers was setup in order to demonstrate the various use cases and system configurations of OPC UA PubSub over TSN. Technical and performance data of the main components of the demonstrator can be obtained through the standard OSADL QA Farm interfaces where they are integrated as virtual rack "d". For a larger image of the demonstrator click on the image on the right, for an even larger image click here, and for a very, very large image click here.

Links to the standard OSADL QA Farm interface

Rack #d, slot #1 (Grandmaster)

Profile

Latency plot

Rack #d, slot #2 (Slave)

Profile

Latency plot

Rack #d, slot #3 (Slave)

Profile

Latency plot

Rack #d, slot #4 (Slave)

Profile

Latency plot

PTP grandmaster: Jitter analysis from system time to network adapter by week

Last update 1 minute ago

Jitter analysis of time synchronization to the network adapter
Please note that the recorded values of this and of all below plots represent the maximum of subsequent 5-min intervals. Thus, from the given numerical values below the plot the only meaningful value is the one in the column labeled "Max:".

 

PTP client #1: Jitter analysis from network to network adapter and from network adapter to system by week

Last update 31 minutes ago

Jitter analysis of the network adapter
Jitter analysis from network to network adapter

Jitter analysis of the system
Jitter analysis from network adapter to system time

 

PTP client #2: Jitter analysis from network to network adapter and from network adapter to system by week

Last update 1 minute ago

Jitter analysis of the network adapter
Jitter analysis from network to network adapter

Jitter analysis of the system
Jitter analysis from network adapter to system time

 

PTP client #3: Jitter analysis from network to network adapter and from network adapter to system by week

Last update 30 minutes ago

Jitter analysis of the network adapter
Jitter analysis from network to network adapter

Jitter analysis of the system
Jitter analysis from network adapter to system time