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firestar5683
36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
import pytest
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from openpilot.starpilot.common import cpu_throttle
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def test_offline_cpu_placeholders_do_not_hide_sustained_load(monkeypatch):
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monkeypatch.setattr(cpu_throttle, "_online_cpu_count", lambda: 4)
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usage = cpu_throttle._online_cpu_usage([80, 80, 80, 80, 0, 0, 0, 0])
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average = sum(usage) / len(usage)
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assert usage == [80.0, 80.0, 80.0, 80.0]
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assert cpu_throttle._compute_throttle_factor(average, 0) == pytest.approx(1.75)
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def test_idle_reserved_cores_do_not_hide_affinity_core_saturation(monkeypatch):
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monkeypatch.setattr(cpu_throttle, "_online_cpu_count", lambda: 8)
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usage = cpu_throttle._online_cpu_usage([74, 82, 100, 85, 92, 98, 0, 47], cores=[2])
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assert usage == [100.0]
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assert cpu_throttle._compute_throttle_factor(sum(usage) / len(usage), 1) == 4.0
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@pytest.mark.parametrize(("online_spec", "expected"), (
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("0-3", 4),
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("0-3,6-7", 6),
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))
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def test_online_cpu_count_parser(monkeypatch, tmp_path, online_spec, expected):
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online_path = tmp_path / "online"
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online_path.write_text(online_spec, encoding="utf-8")
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monkeypatch.setattr(cpu_throttle, "Path", lambda _: online_path)
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cpu_throttle._online_cpu_count.cache_clear()
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assert cpu_throttle._online_cpu_count() == expected
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