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📁 ..	-	2026-03-21 15:45
📄 __init__.py from .manager import *	23 B	2025-08-24 21:48
📁 __pycache__	-	2026-03-21 15:45
📄 manager.py import collections import os import re import traceback import tuned.exceptions import tuned.logs import tuned.plugins.exceptions import tuned.consts as consts from tuned.utils.global_config import GlobalConfig from tuned.utils.commands import commands log = tuned.logs.get() __all__ = ["Manager"] class Manager(object): """ Manager creates plugin instances and keeps a track of them. """ def __init__(self, plugins_repository, monitors_repository, def_instance_priority, hardware_inventory, config = None): super(Manager, self).__init__() self._plugins_repository = plugins_repository self._monitors_repository = monitors_repository self._def_instance_priority = def_instance_priority self._hardware_inventory = hardware_inventory self._instances = [] self._plugins = [] self._config = config or GlobalConfig() self._cmd = commands() @property def plugins(self): return self._plugins @property def instances(self): return self._instances @property def plugins_repository(self): return self._plugins_repository def _unit_matches_cpuinfo(self, unit): if unit.cpuinfo_regex is None: return True cpuinfo_string = self._config.get(consts.CFG_CPUINFO_STRING) if cpuinfo_string is None: cpuinfo_string = self._cmd.read_file("/proc/cpuinfo") return re.search(unit.cpuinfo_regex, cpuinfo_string, re.MULTILINE) is not None def _unit_matches_uname(self, unit): if unit.uname_regex is None: return True uname_string = self._config.get(consts.CFG_UNAME_STRING) if uname_string is None: uname_string = " ".join(os.uname()) return re.search(unit.uname_regex, uname_string, re.MULTILINE) is not None def create(self, instances_config): instance_info_list = [] for instance_name, instance_info in list(instances_config.items()): if not instance_info.enabled: log.debug("skipping disabled instance '%s'" % instance_name) continue if not self._unit_matches_cpuinfo(instance_info): log.debug("skipping instance '%s', cpuinfo does not match" % instance_name) continue if not self._unit_matches_uname(instance_info): log.debug("skipping instance '%s', uname does not match" % instance_name) continue if instance_info.priority is None: instance_info.priority = int(self._def_instance_priority) else: instance_info.priority = int(instance_info.priority) instance_info_list.append(instance_info) instance_info_list.sort(key=lambda x: x.priority) plugins_by_name = collections.OrderedDict() for instance_info in instance_info_list: plugins_by_name[instance_info.type] = None for plugin_name, none in list(plugins_by_name.items()): try: plugin = self._plugins_repository.create(plugin_name) plugins_by_name[plugin_name] = plugin self._plugins.append(plugin) except tuned.plugins.exceptions.NotSupportedPluginException as e: log.info("skipping plugin '%s', not supported on your system: %s" % (plugin_name, e)) continue except Exception as e: log.error("failed to initialize plugin %s" % plugin_name) log.exception(e) continue instances = [] for instance_info in instance_info_list: plugin = plugins_by_name[instance_info.type] if plugin is None: continue log.debug("creating '%s' (%s)" % (instance_info.name, instance_info.type)) new_instance = plugin.create_instance(instance_info.name, instance_info.priority, \ instance_info.devices, instance_info.devices_udev_regex, \ instance_info.script_pre, instance_info.script_post, instance_info.options) instances.append(new_instance) for instance in instances: instance.plugin.init_devices() instance.plugin.assign_free_devices(instance) instance.plugin.initialize_instance(instance) # At this point we should be able to start the HW events # monitoring/processing thread, without risking race conditions self._hardware_inventory.start_processing_events() self._instances.extend(instances) def _try_call(self, caller, exc_ret, f, args, kwargs): try: return f(args, **kwargs) except Exception as e: trace = traceback.format_exc() log.error("BUG: Unhandled exception in %s: %s" % (caller, str(e))) log.error(trace) return exc_ret def destroy_all(self): for instance in self._instances: log.debug("destroying instance %s" % instance.name) self._try_call("destroy_all", None, instance.plugin.destroy_instance, instance) for plugin in self._plugins: log.debug("cleaning plugin '%s'" % plugin.name) self._try_call("destroy_all", None, plugin.cleanup) self._plugins_repository.plugins.clear() del self._plugins[:] del self._instances[:] def update_monitors(self): for monitor in self._monitors_repository.monitors: log.debug("updating monitor %s" % monitor) self._try_call("update_monitors", None, monitor.update) def start_tuning(self): for instance in self._instances: self._try_call("start_tuning", None, instance.apply_tuning) def verify_tuning(self, ignore_missing): ret = True for instance in self._instances: res = self._try_call("verify_tuning", False, instance.verify_tuning, ignore_missing) if res == False: ret = False return ret def update_tuning(self): for instance in self._instances: self._try_call("update_tuning", None, instance.update_tuning) # rollback parameter is a helper telling plugins whether soft or full # rollback is needed, e.g. for bootloader plugin we need grub.cfg # tuning to persist across reboots and restarts of the daemon, so in # this case the rollback is usually set to consts.ROLLBACK_SOFT, # but we also need to clean it all up when TuneD is disabled or the # profile is changed. In this case the rollback is set to # consts.ROLLBACK_FULL. In practice it means to remove all temporal # or helper files, unpatch third party config files, etc. def stop_tuning(self, rollback = consts.ROLLBACK_SOFT): self._hardware_inventory.stop_processing_events() for instance in reversed(self._instances): self._try_call("stop_tuning", None, instance.unapply_tuning, rollback)	5.96 KB	2025-08-24 21:48

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