RTC/TSN-Testbench v5.4

Hello RT-list!

I'm pleased to announce version v5.4 of Linux RTC/TSN-Testbench.

Release notes:

- Add statistics based on XDP HW timestamping contributed by Faizal Abdul Rahim and Chwee-Lin Choong
See https://linutronix.github.io/RTC-Testbench/processing_latency.html
- Add interface to execute real time compute workload each network cycle contributed by Scott Oehrlein
See https://github.com/Linutronix/RTC-Testbench/tree/main/tests/workloads
- Add logging statistics via JSON over UDP
- Add tests for SRIOV, container networking and Frame Preemption

Thanks to all contributors.

You can get the code and documentation via the git tree at:

https://github.com/Linutronix/RTC-Testbench

Thanks,
Kurt

Shortlog v5.3..v5.4:

Chwee-Lin Choong (4):
xdp: add TX hardware timestamping support in AF_XDP for latency measurement
tests: Add TxTimeStampEnabled fields to YAML configs
stat: Add processing latency metrics for mirror mode
doc: Add Processing Latency documentation

Faizal Abdul Rahim (3):
xdp: Enable RX hardware timestamp in XDP program
stat: Measure and log RX latency
xdp: Fix missing Rx latency when launch time is enabled

Kurt Kanzenbach (35):
doc: Add security documentation
tests: Add library
tests: Convert all flow scripts to new lib
config: Add BaseTime offset
tests: Add Profinet SRIOV scenario
README: Remove ToDo about container networking
tests: Add testcase for i225/i226 FPE
README: Remove ToDo about FPE
tools: build: Add new compile options
scripts: ptp: Add stop of chrony
xdp: Move comment
ci: Limit build options on Ubuntu
main: Print statistics
elbe: Update to Debian Trixie
cmake: Limit RT workloads to x86_64 builds for now
README: Remove ToDo for real time compute workloads
doc: Add a workload section
all: Run pre-commit
config: Remove superfluous "\n"
mqtt: Rename mqtt logging to log_mqtt
mqtt: Remove obsolete stuff
mqtt: Rename user visible mqtt options
json: Add config parameters for logging via JSON
net: Add function for creating an UDP client socket
json: Add JSON/UDP logger
stat: Add helper function to build json from stats ref/mirror: Wire up JSON logger
scripts: Add script for printing statistics
doc: Fix name of config option
doc: Document new json config options
doc: Add missing default value
doc: Document all available statistics
elbe: Add zstd to package list
json: Add proper error handling
Release version v5.4

Scott Oehrlein (5):
TsnHigh: Execute a dynamically loaded workload each network cycle Sample workload that is dynamically loadable by RTC-Testbench. Busypolling example that invokes the pointer_chasing workload.
tsn: Update comment
tests/workloads: Update README's

dependabot[bot] (6):
build(deps): bump awalsh128/cache-apt-pkgs-action from 1.5.0 to 1.5.1 build(deps): bump awalsh128/cache-apt-pkgs-action from 1.5.1 to 1.5.3 build(deps): bump actions/checkout from 4 to 5 build(deps): bump actions/setup-python from 5 to 6 build(deps): bump awalsh128/cache-apt-pkgs-action from 1.5.3 to 1.6.0 build(deps): bump actions/checkout from 5 to 6