header7f/Signal Map All concepts

PCIe & DMA diagnostics for Linux

Find where your data
gets stuck.

Turn a stalled transfer into a clear picture.
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Interactive concept · synthetic data
Atlas development boardSample device · 0000:03:00.0
THE TRANSFER PATH Scripted demo
Illustrated PCIe device, DMA translation and memory pathA synthetic investigation highlights a reported IOMMU rejection. This drawing explains evidence stages; it is not a live trace of a physical data path. PCIe DEVICEDMA MAPPINGSYSTEM MEMORY 03:00.0COMPLETION / INTERRUPTNot observed

Evidence map, not a live hardware trace. Click a stage to explore.

A sample finding is ready to explore.

Bring your capture.Start with Linux metadata and logs.

Locate the evidence.See what is known and what is missing.

Take a better next step.Leave with a check you can explain.

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