feat: add NCCL flight recorder configuration support#3806

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sbak5 wants to merge 3 commits intoNVIDIA:mainfrom

sbak5:sbak/fr_enable

Commits on Mar 11, 2026

feat: add NCCL flight recorder configuration support

sbak5
and
claude
committed
fix(flight_recorder): don't override pre-existing env vars, warn and log effective values

sbak5
and
claude
committed
fix(flight_recorder): trigger env var block when path vars are set in environment

sbak5
and
claude
committed