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Run cufile tests on Thor (Tegra Linux), skip only on Orin #1422

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Run cufile tests on Thor (Tegra Linux), skip only on Orin #1422

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24 changes: 22 additions & 2 deletions cuda_bindings/tests/test_cufile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -79,14 +79,32 @@ def isSupportedFilesystem():
return fs_type in ("ext4", "xfs")


@cache
def get_tegra_kind():
"""Detect Tegra device kind (Orin/Thor) via nvidia-smi, or None if not Tegra."""
if not pathlib.Path("/etc/nv_tegra_release").exists():
return None
out = subprocess.check_output(["nvidia-smi"], text=True, stderr=subprocess.STDOUT) # noqa: S607
tegra_kinds_found = []
for kind in ("Orin", "Thor"):
if f" {kind} " in out:
tegra_kinds_found.append(kind)
assert len(tegra_kinds_found) == 1, f"UNEXPECTED nvidia-smi output:\n{out}"
return tegra_kinds_found[0]


# Global skip condition for all tests if cuFile library is not available
pytestmark = [
pytest.mark.skipif(not cufileLibraryAvailable(), reason="cuFile library not available on this system"),
pytest.mark.skipif(
platform.system() == "Linux" and "microsoft" in pathlib.Path("/proc/version").read_text().lower(),
reason="skipping cuFile tests on WSL",
),
pytest.mark.skipif(pathlib.Path("/etc/nv_tegra_release").exists(), reason="skipping cuFile tests on Tegra Linux"),
pytest.mark.skipif(get_tegra_kind() == "Orin", reason="skipping cuFile tests on Orin (Tegra Linux)"),
pytest.mark.skipif(
get_tegra_kind() == "Thor" and cufileVersionLessThan(1160),
reason="skipping cuFile tests on Thor (Tegra Linux) with CTK < 13.1",
),
]

xfail_handle_register = pytest.mark.xfail(
Expand Down Expand Up @@ -1826,7 +1844,9 @@ def test_get_bar_size_in_kb():

# Verify BAR size is a reasonable value
assert isinstance(bar_size_kb, int), "BAR size should be an integer"
assert bar_size_kb > 0, "BAR size should be positive"
# Tegra devices may report 0 BAR size, which is acceptable
min_bar_size = 0 if get_tegra_kind() else 1
assert bar_size_kb >= min_bar_size, f"BAR size should be >= {min_bar_size}"

logging.info(f"GPU BAR size: {bar_size_kb} KB ({bar_size_kb / 1024 / 1024:.2f} GB)")

Expand Down
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