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test: increase cases for test_population_latency #5102

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Merged
merged 2 commits into from
Mar 21, 2025
Merged

test: increase cases for test_population_latency #5102

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test: increase cases for test_population_latency
bchalios Mar 21, 2025
2dbe15f
Merge branch 'main' into more_robust_population_latency_test
bchalios Mar 21, 2025
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20 changes: 17 additions & 3 deletions tests/integration_tests/performance/test_snapshot_ab.py
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Original file line number Diff line number Diff line change
Expand Up @@ -142,7 +142,12 @@ def test_restore_latency(
@pytest.mark.parametrize("uffd_handler", [None, "on_demand", "fault_all"])
@pytest.mark.parametrize("huge_pages", HugePagesConfig)
def test_post_restore_latency(
microvm_factory, rootfs, guest_kernel_linux_5_10, metrics, uffd_handler, huge_pages
microvm_factory,
rootfs,
guest_kernel_linux_5_10,
metrics,
uffd_handler,
huge_pages,
):
"""Collects latency metric of post-restore memory accesses done inside the guest"""
if huge_pages != HugePagesConfig.NONE and uffd_handler is None:
Expand Down Expand Up @@ -190,11 +195,20 @@ def test_post_restore_latency(

@pytest.mark.nonci
@pytest.mark.parametrize("huge_pages", HugePagesConfig)
@pytest.mark.parametrize(
("vcpus", "mem"), [(1, 128), (1, 1024), (2, 2048), (3, 4096), (4, 6144)]
)
def test_population_latency(
microvm_factory, rootfs, guest_kernel_linux_5_10, metrics, huge_pages
microvm_factory,
rootfs,
guest_kernel_linux_5_10,
metrics,
huge_pages,
vcpus,
mem,
):
"""Collects population latency metrics (e.g. how long it takes UFFD handler to fault in all memory)"""
test_setup = SnapshotRestoreTest(mem=128, vcpus=1, huge_pages=huge_pages)
test_setup = SnapshotRestoreTest(mem=mem, vcpus=vcpus, huge_pages=huge_pages)
vm = test_setup.boot_vm(microvm_factory, guest_kernel_linux_5_10, rootfs)

metrics.set_dimensions(
Expand Down