def snapshot_resume_measurements(vm_type):
"""Define measurements for snapshot resume tests."""
latency = types.MeasurementDef.create_measurement(
"latency", "ms", [function.Max("max")], {
"max":
criteria.LowerThan(
LOAD_LATENCY_BASELINES[platform.machine()][vm_type])
})
return [latency]
def snapshot_create_measurements(vm_type, snapshot_type):
"""Define measurements for snapshot create tests."""
latency = types.MeasurementDef.create_measurement(
"latency", "ms", [function.Max("max")], {
"max":
criteria.LowerThan(
CREATE_LATENCY_BASELINES[platform.machine()][vm_type]
['FULL' if snapshot_type == SnapshotType.FULL else 'DIFF'])
})
return [latency]
def snapshot_resume_measurements(vm_type):
"""Define measurements for snapshot resume tests."""
load_latency = LOAD_LATENCY_BASELINES[platform.machine()][vm_type]
# Host kernels >= 5.4 add an up to ~30ms latency.
# See: https://github.com/firecracker-microvm/firecracker/issues/2129
linux_version = platform.release()
for idx, char in enumerate(linux_version):
if not char.isdigit() and char != '.':
linux_version = linux_version[0:idx]
break
if compare_versions(linux_version, "5.4.0") > 0:
load_latency["target"] += 30
latency = types.MeasurementDef.create_measurement(
"latency", "ms", [function.Max("max")],
{"max": criteria.LowerThan(load_latency)})
return [latency]
def snapshot_resume_measurements(vm_type):
"""Define measurements for snapshot resume tests."""
load_latency = LOAD_LATENCY_BASELINES[platform.machine()][vm_type]
if is_io_uring_supported():
# There is added latency caused by the io_uring syscalls used by the
# block device.
load_latency["target"] += 115
if compare_versions(get_kernel_version(), "5.4.0") > 0:
# Host kernels >= 5.4 add an up to ~30ms latency.
# See: https://github.com/firecracker-microvm/firecracker/issues/2129
load_latency["target"] += 30
latency = types.MeasurementDef.create_measurement(
"latency", "ms", [function.Max("max")],
{"max": criteria.LowerThan(load_latency)})
return [latency]