141 lines
6.1 KiB
Python
141 lines
6.1 KiB
Python
#
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# Copyright(c) 2019-2022 Intel Corporation
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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, casadm_parser
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from api.cas.cache_config import (CleaningPolicy,
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CacheMode,
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CacheLineSize,
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FlushParametersAlru,
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Time,
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FlushParametersAcp)
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from storage_devices.disk import DiskType, DiskTypeSet, DiskTypeLowerThan
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from test_tools.fio.fio import Fio
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from test_tools.fio.fio_param import *
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from type_def.size import Size, Unit
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@pytest.mark.parametrizex("cores_amount", [1, 4])
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@pytest.mark.parametrizex("cleaning_policy", CleaningPolicy)
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@pytest.mark.parametrizex("cache_mode", CacheMode)
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@pytest.mark.parametrizex("cache_line_size", CacheLineSize)
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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_load_x_cores_to_one_cache(cache_mode, cleaning_policy, cache_line_size, cores_amount):
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"""
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title: Test for loading CAS with 1 cache and 1 or 4 cores without extra params.
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description: |
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Verify that loading cache configurations works properly in every mode
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with 1 cache and 1 or 4 cores.
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pass_criteria:
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- Cache loads successfully.
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- No errors in cache are found.
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"""
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with TestRun.step(f"Prepare 1 cache and {cores_amount} core devices"):
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cache_dev = TestRun.disks['cache']
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cache_dev.create_partitions([Size(512, Unit.MebiByte)])
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cache_dev = cache_dev.partitions[0]
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core_dev = TestRun.disks['core']
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core_size = []
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for i in range(cores_amount):
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core_size.append(Size(1, Unit.GibiByte))
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core_dev.create_partitions(core_size)
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with TestRun.step(f"Start cache with {cores_amount} cores."):
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cache = casadm.start_cache(cache_dev, cache_mode, cache_line_size, force=True)
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cores = []
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for i in range(cores_amount):
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cores.append(cache.add_core(core_dev.partitions[i]))
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caches_count = len(casadm_parser.get_caches())
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if caches_count != 1:
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TestRun.fail(f"Expected caches count: 1; Actual caches count: {caches_count}.")
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cores_count = len(casadm_parser.get_cores(cache.cache_id))
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if cores_count != cores_amount:
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TestRun.fail(
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f"Expected cores count: {cores_amount}; Actual cores count: {cores_count}.")
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with TestRun.step("Configure cleaning policy."):
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cache.set_cleaning_policy(cleaning_policy)
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if cleaning_policy == CleaningPolicy.alru:
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alru = FlushParametersAlru()
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alru.activity_threshold = Time(milliseconds=1000)
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alru.flush_max_buffers = 10
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alru.staleness_time = Time(seconds=60)
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alru.wake_up_time = Time(seconds=5)
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cache.set_params_alru(alru)
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if cleaning_policy == CleaningPolicy.acp:
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acp = FlushParametersAcp()
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acp.flush_max_buffers = 100
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acp.wake_up_time = Time(seconds=5)
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cache.set_params_acp(acp)
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with TestRun.step("Run FIO on exported object"):
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fio = (Fio().create_command()
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.io_engine(IoEngine.libaio)
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.io_depth(64)
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.direct()
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.read_write(ReadWrite.randrw)
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.size(Size(1, Unit.GibiByte))
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.block_size(cache_line_size)
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.read_write(ReadWrite.randrw)
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.num_jobs(cores_amount)
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.cpus_allowed_policy(CpusAllowedPolicy.split))
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for core in cores:
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fio.add_job(f"job_{core.core_id}").target(core.path)
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fio.run()
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with TestRun.step("Stop cache."):
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cache.stop()
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caches_count = len(casadm_parser.get_caches())
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if caches_count != 0:
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TestRun.fail(f"There are still {caches_count} caches running after stopping service.")
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cores_count = len(casadm_parser.get_cores(cache.cache_id))
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if cores_count != 0:
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TestRun.fail(f"There are still {cores_count} cores running after stopping service.")
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with TestRun.step("Load cache."):
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cache = casadm.load_cache(cache_dev)
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caches_count = len(casadm_parser.get_caches())
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if caches_count != 1:
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TestRun.fail(f"Expected caches count: 1; Actual caches count: {caches_count}.")
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cores_count = len(casadm_parser.get_cores(cache.cache_id))
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if cores_count != cores_amount:
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TestRun.fail(
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f"Expected cores count: {cores_amount}; Actual cores count: {cores_count}.")
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with TestRun.step("Compare cache configuration before and after load."):
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if cache_mode != cache.get_cache_mode():
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TestRun.fail("Cache modes are different.")
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if cache_line_size != cache.get_cache_line_size():
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TestRun.fail("Cache line sizes are different.")
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if cleaning_policy != cache.get_cleaning_policy():
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TestRun.fail("Cleaning policies are different.")
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if cleaning_policy == CleaningPolicy.alru:
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if alru != cache.get_flush_parameters_alru():
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TestRun.fail("Cleaning policy parameters are different.")
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if cleaning_policy == CleaningPolicy.acp:
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if acp != cache.get_flush_parameters_acp():
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TestRun.fail("Cleaning policy parameters are different.")
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with TestRun.step("Run FIO again on exported object"):
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fio = (Fio().create_command()
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.io_engine(IoEngine.libaio)
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.io_depth(64)
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.direct()
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.read_write(ReadWrite.randrw)
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.size(Size(1, Unit.GibiByte))
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.block_size(cache_line_size)
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.read_write(ReadWrite.randrw)
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.num_jobs(cores_amount)
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.cpus_allowed_policy(CpusAllowedPolicy.split))
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for core in cores:
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fio.add_job(f"job_{core.core_id}").target(core.path)
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fio.run()
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with TestRun.step("Check if there are no error statistics."):
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if cache.get_statistics().error_stats.total_errors != 0:
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TestRun.fail("There are errors in the cache.")
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