106 lines
3.9 KiB
Python
106 lines
3.9 KiB
Python
#
|
|
# Copyright(c) 2022 Intel Corporation
|
|
# SPDX-License-Identifier: BSD-3-Clause
|
|
#
|
|
|
|
import pytest
|
|
from api.cas import casadm, casadm_parser
|
|
from api.cas.cache_config import CacheMode, CleaningPolicy
|
|
from core.test_run_utils import TestRun
|
|
from storage_devices.disk import DiskTypeSet, DiskType, DiskTypeLowerThan
|
|
from test_tools.fio.fio import Fio
|
|
from test_tools.fio.fio_param import ReadWrite, IoEngine
|
|
from test_tools.udev import Udev
|
|
from type_def.size import Size, Unit
|
|
|
|
|
|
@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
|
|
@pytest.mark.require_disk("core", DiskTypeLowerThan("cache"))
|
|
def test_clean_load():
|
|
"""
|
|
title: Loading cache after clean shutdown.
|
|
description: Test for loading cache containing dirty data after DUT clean reboot.
|
|
pass_criteria:
|
|
- DUT should reboot successfully.
|
|
- Cache should load successfully.
|
|
- Occupancy and dirty statistics shouldn't change after reboot.
|
|
"""
|
|
with TestRun.step("Prepare devices."):
|
|
cache_disk = TestRun.disks["cache"]
|
|
cache_disk.create_partitions([Size(1, Unit.GibiByte)])
|
|
cache_dev = cache_disk.partitions[0]
|
|
|
|
core_disk = TestRun.disks["core"]
|
|
core_disk.create_partitions([Size(2, Unit.GibiByte)] * 2)
|
|
core_devices = core_disk.partitions
|
|
|
|
with TestRun.step("Start cache in Write-Back mode and add cores."):
|
|
cache = casadm.start_cache(cache_dev, cache_mode=CacheMode.WB)
|
|
cores = []
|
|
for dev in core_devices:
|
|
cores.append(cache.add_core(dev))
|
|
Udev.disable()
|
|
|
|
with TestRun.step("Set cleaning policy to nop."):
|
|
cache.set_cleaning_policy(CleaningPolicy.nop)
|
|
|
|
with TestRun.step("Populate cache with dirty data."):
|
|
fio = (
|
|
Fio()
|
|
.create_command()
|
|
.size(Size(1, Unit.GibiByte))
|
|
.read_write(ReadWrite.randwrite)
|
|
.io_engine(IoEngine.libaio)
|
|
.block_size(Size(1, Unit.Blocks4096))
|
|
)
|
|
for i, core in enumerate(cores):
|
|
fio.add_job(f"core{i}").target(core.path)
|
|
fio.run()
|
|
|
|
if cache.get_dirty_blocks() <= Size.zero():
|
|
TestRun.fail("Cache does not contain dirty data.")
|
|
|
|
for core in cores:
|
|
if core.get_dirty_blocks() <= Size.zero():
|
|
TestRun.fail("Core does not contain dirty data.")
|
|
|
|
with TestRun.step("Remove one core without flushing dirty data."):
|
|
casadm.remove_core_with_script_command(cache.cache_id, core.core_id, True)
|
|
|
|
with TestRun.step("Get statistics."):
|
|
occupancy_before = cache.get_occupancy()
|
|
dirty_before = cache.get_dirty_blocks()
|
|
|
|
with TestRun.step("Reboot platform."):
|
|
TestRun.executor.reboot()
|
|
Udev.disable()
|
|
|
|
with TestRun.step("Load cache."):
|
|
cache = casadm.load_cache(cache_dev)
|
|
|
|
caches_num = len(casadm_parser.get_caches())
|
|
if caches_num != 1:
|
|
TestRun.LOGGER.error(f"Wrong number of caches. Expected 1, actual {caches_num}.")
|
|
|
|
cores_num = len(casadm_parser.get_cores(cache.cache_id))
|
|
if cores_num != 1:
|
|
TestRun.LOGGER.error(f"Wrong number of cores. Expected 1, actual {cores_num}.")
|
|
|
|
with TestRun.step("Check statistics."):
|
|
occupancy_after = cache.get_occupancy()
|
|
dirty_after = cache.get_dirty_blocks()
|
|
if occupancy_before == occupancy_after:
|
|
TestRun.LOGGER.info("Cache occupancy statistics after reboot are the same.")
|
|
else:
|
|
TestRun.LOGGER.error(
|
|
f"Cache occupancy stats changed. Before: {occupancy_before} "
|
|
f"After: {occupancy_after}."
|
|
)
|
|
|
|
if dirty_before == dirty_after:
|
|
TestRun.LOGGER.info("Cache dirty statistics after reboot are the same.")
|
|
else:
|
|
TestRun.LOGGER.error(
|
|
f"Cache dirty stats changed. Before: {dirty_before} " f"After: {dirty_after}."
|
|
)
|