watcher: report if eth link retraining occurred during teardown

tenstorrent / tt-metal

:metal: TT-NN operator library, and TT-Metalium low level kernel programming model.

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watcher: report if eth link retraining occurred during teardown #11169

Closed pgkeller closed 5 hours ago

pgkeller commented 1 month ago

eth cores have a register which counts how many times the eth link is retrained watcher should read this register at init and again at teardown and report if retraining occured

tt-dma commented 3 weeks ago

0x1EDC address from ethernet core L1 is the counter

tt-dma commented 5 hours ago

PR https://github.com/tenstorrent/tt-metal/pull/12801 implements this