tests: refactor test_inactive_cores
Signed-off-by: Kamil Gierszewski <kamil.gierszewski@huawei.com>
This commit is contained in:
Kamil Gierszewski
parent
daea1a433a
commit
51962e4684
@ -1,13 +1,15 @@
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#
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# Copyright(c) 2019-2021 Intel Corporation
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# Copyright(c) 2024 Huawei Technologies Co., Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import pytest
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from api.cas import casadm
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from api.cas.cache_config import CacheMode
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from api.cas.casadm_parser import get_cas_devices_dict
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from api.cas.core import Core, CoreStatus
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from core.test_run import TestRun
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from storage_devices.disk import DiskType, DiskTypeSet, DiskTypeLowerThan
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from test_tools.dd import Dd
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@ -16,152 +18,238 @@ from test_utils.size import Size, Unit
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@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
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@pytest.mark.require_disk("core", DiskTypeLowerThan("cache"))
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def test_core_inactive():
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def test_core_inactive_stats_conf():
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"""
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1. Start cache with 3 cores.
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2. Stop cache.
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3. Remove one of core devices.
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4. Load cache.
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5. Check if cache has appropriate number of valid and inactive core devices.
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title: Test for inactive core configuration statistics.
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description: |
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Test the cache inactive core configuration statistics after removing one of core devices
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and loading cache.
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pass_criteria:
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- Cache can be loaded with inactive core device.
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- CAS correctly reports inactive core statistics in cache configuration statistics after
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loading cache.
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"""
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cache, core_device = prepare()
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core_number = 3
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cache_device = cache.cache_device
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with TestRun.step("Prepare cache and core devices"):
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cache_device = TestRun.disks["cache"]
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core_device = TestRun.disks["core"]
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cache_device.create_partitions([Size(500, Unit.MebiByte)])
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core_device.create_partitions([Size(1, Unit.GibiByte)] * core_number)
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cache_device = cache_device.partitions[0]
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core_device_partitions = core_device.partitions
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with TestRun.step("Start cache"):
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cache = casadm.start_cache(cache_device, force=True)
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with TestRun.step("Add cores to the cache"):
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for core_device_part in core_device_partitions:
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cache.add_core(core_dev=core_device_part)
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with TestRun.step("Check if correct number of inactive cores is displayed in cache statistics"):
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stats = cache.get_statistics()
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if stats.config_stats.inactive_core_devices != 0:
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TestRun.fail("Inactive core in statistics after starting cache")
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assert stats.config_stats.core_dev == 3
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assert stats.config_stats.inactive_core_dev == 0
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TestRun.LOGGER.info("Stopping cache")
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with TestRun.step("Stop cache"):
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cache.stop()
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TestRun.LOGGER.info("Removing one of core devices")
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core_device.remove_partitions()
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core_device.create_partitions([Size(1, Unit.GibiByte), Size(1, Unit.GibiByte)])
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with TestRun.step("Remove last core device"):
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core_device.remove_partition(part=core_device_partitions[-1])
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TestRun.LOGGER.info("Loading cache with missing core device")
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with TestRun.step("Load cache with missing core device"):
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cache = casadm.start_cache(cache_device, load=True)
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stats = cache.get_statistics()
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assert stats.config_stats.core_dev == 3
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assert stats.config_stats.inactive_core_dev == 1
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with TestRun.step(
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"Check if correct number of cores and inactive cores is displayed in cache statistics"
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):
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stats = cache.get_statistics()
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if stats.config_stats.core_dev != core_number:
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TestRun.fail(
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"Wrong number of cores after loading the cache\n"
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f"Actual number of cores: {stats.config_stats.core_dev}\n"
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f"Expected number of cores: {core_number}"
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)
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if stats.config_stats.inactive_core_devices != 1:
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TestRun.fail(
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"Wrong number of inactive cores after loading the cache\n"
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f"Actual number of inactive cores: {stats.config_stats.inactive_core_devices}\n"
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"Expected number of inactive cores: 1"
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)
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@pytest.mark.require_disk("cache", DiskTypeSet([DiskType.optane, DiskType.nand]))
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@pytest.mark.require_disk("core", DiskTypeLowerThan("cache"))
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def test_core_inactive_stats():
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def test_core_inactive_stats_usage():
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"""
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1. Start cache with 3 cores.
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2. Switch cache into WB mode.
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3. Issue IO to each core.
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4. Stop cache without flush.
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5. Remove two core devices.
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6. Load cache.
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7. Check if cache stats are equal to sum of valid and inactive cores stats.
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8. Check if percentage values are calculated properly.
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title: Test for inactive core usage statistics.
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description: |
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Test the cache inactive core usage statistics after removing one of core devices and loading
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cache.
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pass_criteria:
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- Cache can be loaded with inactive core device.
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- CAS correctly reports inactive core statistics in cache usage statistics after loading
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cache.
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"""
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cache, core_device = prepare()
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cache_device = cache.cache_device
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core_number = 3
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TestRun.LOGGER.info("Switching cache mode to WB")
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cache.set_cache_mode(cache_mode=CacheMode.WB)
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cores = cache.get_core_devices()
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TestRun.LOGGER.info("Issue IO to each core")
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for core in cores:
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with TestRun.step("Prepare cache and core devices"):
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cache_device = TestRun.disks["cache"]
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core_device = TestRun.disks["core"]
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cache_device.create_partitions([Size(500, Unit.MebiByte)])
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core_device.create_partitions([Size(1, Unit.GibiByte)] * core_number)
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cache_device = cache_device.partitions[0]
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core_device_partitions = core_device.partitions
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with TestRun.step("Start cache"):
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cache = casadm.start_cache(cache_device, force=True, cache_mode=CacheMode.WB)
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with TestRun.step("Add cores to the cache"):
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core_list = [
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cache.add_core(core_dev=core_device_part) for core_device_part in core_device_partitions
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]
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with TestRun.step("Run I/O to each core"):
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for core in core_list:
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dd = (
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Dd()
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.input("/dev/zero")
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.output(core.path)
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.count(1000)
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.block_size(Size(4, Unit.KibiByte))
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).run()
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)
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dd.run()
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TestRun.LOGGER.info("Stopping cache with dirty data")
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cores[2].flush_core()
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with TestRun.step("Flush last core"):
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core_list[-1].flush_core()
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with TestRun.step("Stop cache with dirty data"):
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cache.stop(no_data_flush=True)
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TestRun.LOGGER.info("Removing two of core devices")
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core_device.remove_partitions()
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core_device.create_partitions([Size(1, Unit.GibiByte)])
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with TestRun.step("Removing two of core devices"):
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core_device.remove_partition(part=core_device_partitions[0])
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core_device.remove_partition(part=core_device_partitions[1])
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TestRun.LOGGER.info("Loading cache with missing core device")
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with TestRun.step("Load cache with missing core devices"):
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cache = casadm.start_cache(cache_device, load=True)
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# Accumulate valid cores stats
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cores_occupancy = 0
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cores_clean = 0
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cores_dirty = 0
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cores = cache.get_core_devices()
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for core in cores:
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with TestRun.step("Check cores statistics"):
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active_cores_occupancy_stats = 0
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active_cores_clean_stats = 0
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active_cores_dirty_stats = 0
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active_cores = cache.get_core_devices()
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for core in active_cores:
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core_stats = core.get_statistics()
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cores_occupancy += core_stats.usage_stats.occupancy.value
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cores_clean += core_stats.usage_stats.clean.value
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cores_dirty += core_stats.usage_stats.dirty.value
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active_cores_occupancy_stats += core_stats.usage_stats.occupancy
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active_cores_clean_stats += core_stats.usage_stats.clean
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active_cores_dirty_stats += core_stats.usage_stats.dirty
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inactive_cores_occupancy_stats = 0
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inactive_cores_clean_stats = 0
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inactive_cores_dirty_stats = 0
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inactive_cores = get_inactive_cores(cache_id=cache.cache_id)
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for core in inactive_cores:
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core_stats = core.get_statistics()
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inactive_cores_occupancy_stats += core_stats.usage_stats.occupancy
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inactive_cores_clean_stats += core_stats.usage_stats.clean
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inactive_cores_dirty_stats += core_stats.usage_stats.dirty
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cache_stats = cache.get_statistics()
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# Add inactive core stats
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cores_occupancy += cache_stats.inactive_usage_stats.inactive_occupancy.value
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cores_clean += cache_stats.inactive_usage_stats.inactive_clean.value
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cores_dirty += cache_stats.inactive_usage_stats.inactive_dirty.value
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cache_usage_stats = cache_stats.usage_stats
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assert cache_stats.usage_stats.occupancy.value == cores_occupancy
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assert cache_stats.usage_stats.dirty.value == cores_dirty
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assert cache_stats.usage_stats.clean.value == cores_clean
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total_cores_occupancy_stats = active_cores_occupancy_stats + inactive_cores_occupancy_stats
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total_cores_dirty_stats = active_cores_dirty_stats + inactive_cores_dirty_stats
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total_cores_clean_stats = active_cores_clean_stats + inactive_cores_clean_stats
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if cache_usage_stats.occupancy != total_cores_occupancy_stats:
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TestRun.LOGGER.error(
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"Wrong number of occupancy blocks in cache usage stats\n"
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f"Actual number of occupancy blocks: {cache_usage_stats.occupancy}\n"
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f"Expected number of occupancy blocks: {total_cores_occupancy_stats}"
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)
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if cache_usage_stats.dirty != total_cores_dirty_stats:
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TestRun.LOGGER.error(
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"Wrong number of dirty blocks in cache usage stats\n"
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f"Actual number of dirty blocks: {cache_usage_stats.dirty}\n"
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f"Expected number of dirty blocks: {total_cores_dirty_stats}"
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)
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if cache_usage_stats.clean != total_cores_clean_stats:
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TestRun.LOGGER.error(
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"Wrong number of clean blocks in cache usage stats\n"
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f"Actual number of clean blocks: {cache_usage_stats.clean}\n"
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f"Expected number of clean blocks: {total_cores_clean_stats}"
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)
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if cache_usage_stats.inactive_occupancy != inactive_cores_occupancy_stats:
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TestRun.LOGGER.error(
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"Wrong number of occupancy blocks in inactive cache usage stats\n"
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f"Actual number of occupancy blocks: {cache_usage_stats.inactive_occupancy}\n"
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f"Expected number of occupancy blocks: {inactive_cores_occupancy_stats}"
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)
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if cache_usage_stats.inactive_dirty != inactive_cores_dirty_stats:
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TestRun.LOGGER.error(
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"Wrong number of dirty blocks in cache inactive usage stats\n"
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f"Actual number of dirty blocks: {cache_usage_stats.inactive_dirty}\n"
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f"Expected number of dirty blocks: {inactive_cores_dirty_stats}"
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)
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if cache_usage_stats.inactive_clean != inactive_cores_clean_stats:
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TestRun.LOGGER.error(
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"Wrong number of clean blocks in cache inactive usage stats\n"
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f"Actual number of clean blocks: {cache_usage_stats.inactive_clean}\n"
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f"Expected number of clean blocks: {inactive_cores_clean_stats}"
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)
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cache_usage_stats_percentage = cache.get_statistics(percentage_val=True).usage_stats
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cache_stats_percentage = cache.get_statistics(percentage_val=True)
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# Calculate expected percentage value of inactive core stats
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inactive_occupancy_perc = (
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cache_stats.inactive_usage_stats.inactive_occupancy.value
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/ cache_stats.config_stats.cache_size.value
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inactive_occupancy_perc = round(
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100 * (cache_usage_stats.inactive_occupancy / cache_stats.config_stats.cache_size), 1
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)
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inactive_clean_perc = (
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cache_stats.inactive_usage_stats.inactive_clean.value
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/ cache_stats.usage_stats.occupancy.value
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inactive_dirty_perc = round(
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100 * (cache_usage_stats.inactive_dirty / cache_stats.usage_stats.occupancy), 1
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)
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inactive_dirty_perc = (
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cache_stats.inactive_usage_stats.inactive_dirty.value
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/ cache_stats.usage_stats.occupancy.value
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inactive_clean_perc = round(
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100 * (cache_usage_stats.inactive_clean / cache_stats.usage_stats.occupancy), 1
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)
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inactive_occupancy_perc = round(100 * inactive_occupancy_perc, 1)
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inactive_clean_perc = round(100 * inactive_clean_perc, 1)
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inactive_dirty_perc = round(100 * inactive_dirty_perc, 1)
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TestRun.LOGGER.info(str(cache_stats_percentage))
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assert (
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inactive_occupancy_perc
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== cache_stats_percentage.inactive_usage_stats.inactive_occupancy
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if cache_usage_stats_percentage.inactive_occupancy != inactive_occupancy_perc:
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TestRun.LOGGER.error(
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"Wrong occupancy blocks percentage in usage stats\n"
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f"Actual number of occupancy blocks percentage:"
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f" {cache_usage_stats_percentage.inactive_occupancy}\n"
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f"Expected number of occupancy blocks percentage: {inactive_occupancy_perc}"
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)
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assert (
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inactive_clean_perc
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== cache_stats_percentage.inactive_usage_stats.inactive_clean
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if cache_usage_stats_percentage.inactive_dirty != inactive_dirty_perc:
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TestRun.LOGGER.error(
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"Wrong dirty blocks percentage in usage stats\n "
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"Actual number of dirty blocks percentage: "
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f"{cache_usage_stats_percentage.inactive_dirty}\n"
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f"Expected number of dirty blocks percentage: {inactive_dirty_perc}"
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)
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assert (
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inactive_dirty_perc
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== cache_stats_percentage.inactive_usage_stats.inactive_dirty
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if cache_usage_stats_percentage.inactive_clean != inactive_clean_perc:
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TestRun.LOGGER.error(
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"Wrong clean blocks percentage in usage stats\n"
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"Actual number of clean blocks percentage: "
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f"{cache_usage_stats.inactive_clean}\n"
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f"Expected number of clean blocks percentage: {inactive_cores_clean_stats}"
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)
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def prepare():
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cache_device = TestRun.disks["cache"]
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core_device = TestRun.disks["core"]
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def get_inactive_cores(cache_id: int) -> list:
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cores_dict = get_cas_devices_dict()["cores"].values()
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cache_device.create_partitions([Size(500, Unit.MebiByte)])
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core_device.create_partitions(
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[Size(1, Unit.GibiByte), Size(1, Unit.GibiByte), Size(1, Unit.GibiByte)]
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)
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def is_active(core):
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cache_device = cache_device.partitions[0]
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core_device_1 = core_device.partitions[0]
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core_device_2 = core_device.partitions[1]
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core_device_3 = core_device.partitions[2]
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return CoreStatus[core["status"].lower()] == CoreStatus.inactive
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TestRun.LOGGER.info("Staring cache")
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cache = casadm.start_cache(cache_device, force=True)
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TestRun.LOGGER.info("Adding core device")
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core_1 = cache.add_core(core_dev=core_device_1)
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core_2 = cache.add_core(core_dev=core_device_2)
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core_3 = cache.add_core(core_dev=core_device_3)
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return cache, core_device
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return [
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Core(core["device_path"], core["cache_id"])
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for core in cores_dict
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if is_active(core) and core["cache_id"] == cache_id
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]
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