[Mellanox] Add config sdk nvidia-bluefield sdk techsupport-ct-dump <enabled|disabled> command.#4696
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…abled>` command. The command is for enabling, in `show techsupport` on NVIDIA SmartSwitch DPUs, a platform-specific sdk dump of the Connection Table through the saisdkdump utility. This part of the implementation creates or deletes a sentinel file in the syncd container, which is the signal used by the `show techsupport` command to determine if the feature is enabled. Signed-off-by: Judson Wilson <judsonw@nvidia.com>
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croos12
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Jul 15, 2026
dgsudharsan
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Jul 16, 2026
judsonwilson-nvidia
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config sdk nvidia-bluefield sdk techsupport-ct-dump <enabled|disabled> command.config sdk nvidia-bluefield sdk techsupport-ct-dump <enabled|disabled> command.
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Depends on:
sonic-sairedis#1993 (profile parsing), sonic-sairedis#1994 (sentinel cleanup at syncd startup).
Why I did it
SDK Connection Table dumps in techsupport on NVIDIA BlueField DPUs need a runtime enable/disable control. A sentinel file in the syncd container signals whether
generate_dumpshould passCT_TABLE_DUMP_ENABLE=truetosaisdkdumpduring techsupport collection.Work item tracking
How I did it
config platform nvidia-bluefield sdk techsupport-ct-dump {enabled|disabled}to create/remove sentinel filesdk-techsupport-ct-dump.enabledin syncd.collect_nvidia_bluefield()ingenerate_dumpto check the sentinel and runsaisdkdump -pwithCT_TABLE_DUMP_ENABLE=truewhen enabled.tests/config_nvidia_bluefield_test.py.How to verify it
pytest tests/config_nvidia_bluefield_test.py -k techsupport_ct_dump config platform nvidia-bluefield sdk techsupport-ct-dump enabled show techsupport # on BlueField DPU; confirm CT dump in archive config platform nvidia-bluefield sdk techsupport-ct-dump disabledWhich release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Add config platform nvidia-bluefield sdk techsupport-ct-dump command.