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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-23 07:05:45 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-09-23 07:05:45 -0400 |
| commit | 2aafde5cc3679020d8b31277c03d70fd6908384c (patch) | |
| tree | a3d89236459b5586e5a4d0c3b2b1b574fbfb274b /scripts/test_windows_guest.sh | |
| parent | 7fdbe8713c8cf746cd1a15e93e0de39d333905c7 (diff) | |
| download | open-iov-2aafde5cc3679020d8b31277c03d70fd6908384c.tar.gz open-iov-2aafde5cc3679020d8b31277c03d70fd6908384c.zip | |
userspace/cuda: libcuda analysis tree (debug-focused), guest ioctl tracer
Analysis tooling for debugging CUDA execution in Open-IOV guests:
- userspace/cuda/570.144/: fetch a library from a running guest (nc),
objdump helpers, crash ip -> file vaddr + symbol mapping, and Ghidra
headless import/analysis/decompile scripts (project kept so single
functions decompile in seconds). The purpose is debugging correctness
and performance of CUDA in Open-IOV VMs (not a reimplementation);
extracted binaries and decompiled output are gitignored.
- tools/guest-diag/ioctl_trace.c: ptrace tracker for the NVIDIA driver
ioctls of a child (libcuda issues raw syscalls, so LD_PRELOAD sees
nothing). Decodes RM_ALLOC (class) and RM_CONTROL (cmd) arguments;
this is how the cuCtxCreate crash sequence was captured.
- tools/test/cuda_drv_test.c: unbuffered + per-call markers so a crash
identifies the CUDA call it happened in.
Diffstat (limited to 'scripts/test_windows_guest.sh')
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