Add NCCL/NV vendor-specific sysfs serialization and virtualization#13318
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atoniolo76 wants to merge 3 commits into
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Add NCCL/NV vendor-specific sysfs serialization and virtualization#13318atoniolo76 wants to merge 3 commits into
atoniolo76 wants to merge 3 commits into
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… ib_write_bw and reconstruct in container. Gate on RDMAProxy config flag.
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Stacks on #13312 and based on #13114. Adds necessary GPU/NIC/NVSwitch topology information for NVIDIA NCCL discovery in GDRDMA.
Files modified:
pkg/sentry/fsimpl/sys/pci_devices.go: add0680and0207class for NVSwitch. Make NIC-filtering IB-aware. Add InfiniBand symlinks in PCI tree.pkg/sentry/fsimpl/sys/rdma.go: Add/sys/module/nvidia_peermem/versionfor NCCL to check if GDRDMA is available. Collect InfiniBand netdevs as symlink into PCI tree. Add/sys/class/net/entries.pkg/sentry/fsimpl/sys/sys.go: build PCI sysfs tree before RDMA devices to resolve symlinks from RDMA -> PCI. Collect all previously serialized information and reconstruct in chroot virtual sysfs tree.