143 lines
5.3 KiB
Python
143 lines
5.3 KiB
Python
#
|
|
# Copyright(c) 2019 Intel Corporation
|
|
# SPDX-License-Identifier: BSD-3-Clause-Clear
|
|
#
|
|
|
|
from api.cas.cli import *
|
|
from api.cas.casadm_parser import *
|
|
from test_utils.os_utils import *
|
|
from api.cas.cache_config import *
|
|
from storage_devices.device import Device
|
|
from core.test_run import TestRun
|
|
from api.cas.casadm_params import *
|
|
|
|
|
|
class Cache:
|
|
def __init__(self, device_system_path):
|
|
self.cache_device = Device(device_system_path)
|
|
self.cache_id = int(self.__get_cache_id())
|
|
self.__cache_line_size = None
|
|
self.__metadata_mode = None
|
|
self.__metadata_size = None
|
|
|
|
def __get_cache_id(self):
|
|
cmd = f"{list_cmd()} | grep {self.cache_device.system_path}"
|
|
output = TestRun.executor.run(cmd)
|
|
if output.exit_code == 0 and output.stdout.strip():
|
|
return output.stdout.split()[1]
|
|
else:
|
|
raise Exception(f"There is no cache started on {self.cache_device.system_path}.")
|
|
|
|
def get_core_devices(self):
|
|
return get_cores(self.cache_id)
|
|
|
|
def get_cache_line_size(self):
|
|
if self.__cache_line_size is None:
|
|
stats = self.get_cache_statistics()
|
|
stats_line_size = stats["cache line size"]
|
|
self.__cache_line_size = CacheLineSize(stats_line_size.get_value(Unit.Byte))
|
|
return self.__cache_line_size
|
|
|
|
def get_cleaning_policy(self):
|
|
stats = self.get_cache_statistics()
|
|
cp = stats["cleaning policy"]
|
|
return CleaningPolicy[cp]
|
|
|
|
def get_eviction_policy(self):
|
|
stats = self.get_cache_statistics()
|
|
ep = stats["eviction policy"]
|
|
return EvictionPolicy[ep]
|
|
|
|
def get_metadata_mode(self):
|
|
if self.__metadata_mode is None:
|
|
stats = self.get_cache_statistics()
|
|
mm = stats["metadata mode"]
|
|
self.__metadata_mode = MetadataMode[mm]
|
|
return self.__metadata_mode
|
|
|
|
def get_metadata_size(self):
|
|
if self.__metadata_size is None:
|
|
stats = self.get_cache_statistics()
|
|
self.__metadata_size = stats["metadata memory footprint"]
|
|
return self.__metadata_size
|
|
|
|
def get_occupancy(self):
|
|
return self.get_cache_statistics()["occupancy"]
|
|
|
|
def get_status(self):
|
|
status = self.get_cache_statistics()["status"].replace(' ', '_')
|
|
return CacheStatus[status]
|
|
|
|
def get_cache_mode(self):
|
|
return CacheMode[self.get_cache_statistics()["write policy"].upper()]
|
|
|
|
def get_dirty_blocks(self):
|
|
return self.get_cache_statistics()["dirty"]
|
|
|
|
def get_dirty_for(self):
|
|
return self.get_cache_statistics()["dirty for"]
|
|
|
|
def get_clean_blocks(self):
|
|
return self.get_cache_statistics()["clean"]
|
|
|
|
def get_flush_parameters_alru(self):
|
|
return get_flush_parameters_alru(self.cache_id)
|
|
|
|
def get_flush_parameters_acp(self):
|
|
return get_flush_parameters_acp(self.cache_id)
|
|
|
|
# Casadm methods:
|
|
|
|
def get_cache_statistics(self,
|
|
io_class_id: int = None,
|
|
stat_filter: List[StatsFilter] = None,
|
|
percentage_val: bool = False):
|
|
return get_statistics(self.cache_id, None, io_class_id,
|
|
stat_filter, percentage_val)
|
|
|
|
def flush_cache(self):
|
|
casadm.flush(cache_id=self.cache_id)
|
|
sync()
|
|
assert self.get_dirty_blocks().get_value(Unit.Blocks4096) == 0
|
|
|
|
def stop(self, no_data_flush: bool = False):
|
|
return casadm.stop_cache(self.cache_id, no_data_flush)
|
|
|
|
def add_core(self, core_dev, core_id: int = None):
|
|
return casadm.add_core(self, core_dev, core_id)
|
|
|
|
def remove_core(self, core_id, force: bool = False):
|
|
return casadm.remove_core(self.cache_id, core_id, force)
|
|
|
|
def reset_counters(self):
|
|
return casadm.reset_counters(self.cache_id)
|
|
|
|
def set_cache_mode(self, cache_mode: CacheMode, flush: bool = True):
|
|
return casadm.set_cache_mode(cache_mode, self.cache_id, flush)
|
|
|
|
def load_io_class(self, file_path: str):
|
|
return casadm.load_io_classes(self.cache_id, file_path)
|
|
|
|
def list_io_classes(self, output_format: OutputFormat):
|
|
return casadm.list_io_classes(self.cache_id, output_format)
|
|
|
|
def set_seq_cutoff_parameters(self, seq_cutoff_param: SeqCutOffParameters):
|
|
return casadm.set_param_cutoff(self.cache_id,
|
|
seq_cutoff_param.threshold,
|
|
seq_cutoff_param.policy)
|
|
|
|
def set_cleaning_policy(self, cleaning_policy: CleaningPolicy):
|
|
return casadm.set_param_cleaning(self.cache_id, cleaning_policy)
|
|
|
|
def set_params_acp(self, acp_params: FlushParametersAcp):
|
|
return casadm.set_param_cleaning_acp(self.cache_id,
|
|
acp_params.wake_up_time.total_milliseconds(),
|
|
acp_params.flush_max_buffers)
|
|
|
|
def set_params_alru(self, alru_params: FlushParametersAlru):
|
|
return casadm.set_param_cleaning_alru(self.cache_id,
|
|
alru_params.wake_up_time.total_seconds(),
|
|
alru_params.staleness_time.total_seconds(),
|
|
alru_params.flush_max_buffers,
|
|
alru_params.activity_threshold.total_milliseconds())
|