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usr/lib/python3.6/site-packages/tuned/ppd/controller.py 0000644 00000015676 14720532454 0017077 0 ustar 00 from tuned import exports, logs from tuned.utils.commands import commands from tuned.consts import PPD_CONFIG_FILE from tuned.ppd.config import PPDConfig, PPD_PERFORMANCE, PPD_POWER_SAVER from enum import StrEnum import threading import dbus import os log = logs.get() DRIVER = "tuned" NO_TURBO_PATH = "/sys/devices/system/cpu/intel_pstate/no_turbo" LAP_MODE_PATH = "/sys/bus/platform/devices/thinkpad_acpi/dytc_lapmode" class PerformanceDegraded(StrEnum): NONE = "" LAP_DETECTED = "lap-detected" HIGH_OPERATING_TEMPERATURE = "high-operating-temperature" class ProfileHold(object): def __init__(self, profile, reason, app_id, watch): self.profile = profile self.reason = reason self.app_id = app_id self.watch = watch def as_dict(self): return { "Profile": self.profile, "Reason": self.reason, "ApplicationId": self.app_id, } class ProfileHoldManager(object): def __init__(self, controller): self._holds = {} self._cookie_counter = 0 self._controller = controller def _callback(self, cookie, app_id): def callback(name): if name == "": log.info("Application '%s' disappeared, releasing hold '%s'" % (app_id, cookie)) self.remove(cookie) return callback def _effective_hold_profile(self): if any(hold.profile == PPD_POWER_SAVER for hold in self._holds.values()): return PPD_POWER_SAVER return PPD_PERFORMANCE def _cancel(self, cookie): if cookie not in self._holds: return hold = self._holds.pop(cookie) hold.watch.cancel() exports.send_signal("ProfileReleased", cookie) exports.property_changed("ActiveProfileHolds", self.as_dbus_array()) log.info("Releasing hold '%s': profile '%s' by application '%s'" % (cookie, hold.profile, hold.app_id)) def as_dbus_array(self): return dbus.Array([hold.as_dict() for hold in self._holds.values()], signature="a{sv}") def add(self, profile, reason, app_id, caller): cookie = self._cookie_counter self._cookie_counter += 1 watch = self._controller.bus.watch_name_owner(caller, self._callback(cookie, app_id)) log.info("Adding hold '%s': profile '%s' by application '%s'" % (cookie, profile, app_id)) self._holds[cookie] = ProfileHold(profile, reason, app_id, watch) exports.property_changed("ActiveProfileHolds", self.as_dbus_array()) self._controller.switch_profile(profile) return cookie def has(self, cookie): return cookie in self._holds def remove(self, cookie): self._cancel(cookie) if len(self._holds) != 0: new_profile = self._effective_hold_profile() else: new_profile = self._controller.base_profile self._controller.switch_profile(new_profile) def clear(self): for cookie in self._holds: self._cancel(cookie) class Controller(exports.interfaces.ExportableInterface): def __init__(self, bus, tuned_interface): super(Controller, self).__init__() self._bus = bus self._tuned_interface = tuned_interface self._profile_holds = ProfileHoldManager(self) self._performance_degraded = PerformanceDegraded.NONE self._cmd = commands() self._terminate = threading.Event() self.load_config() def _check_performance_degraded(self): performance_degraded = PerformanceDegraded.NONE if os.path.exists(NO_TURBO_PATH): if int(self._cmd.read_file(NO_TURBO_PATH)) == 1: performance_degraded = PerformanceDegraded.HIGH_OPERATING_TEMPERATURE if os.path.exists(LAP_MODE_PATH): if int(self._cmd.read_file(LAP_MODE_PATH)) == 1: performance_degraded = PerformanceDegraded.LAP_DETECTED if performance_degraded != self._performance_degraded: log.info("Performance degraded: %s" % performance_degraded) self._performance_degraded = performance_degraded exports.property_changed("PerformanceDegraded", performance_degraded) def run(self): exports.start() while not self._cmd.wait(self._terminate, 1): self._check_performance_degraded() exports.stop() @property def bus(self): return self._bus @property def base_profile(self): return self._base_profile def terminate(self): self._terminate.set() def load_config(self): self._config = PPDConfig(PPD_CONFIG_FILE) self._base_profile = self._config.default_profile self.switch_profile(self._config.default_profile) def switch_profile(self, profile): if self.active_profile() == profile: return tuned_profile = self._config.ppd_to_tuned[profile] log.info("Switching to profile '%s'" % tuned_profile) self._tuned_interface.switch_profile(tuned_profile) exports.property_changed("ActiveProfile", profile) def active_profile(self): tuned_profile = self._tuned_interface.active_profile() return self._config.tuned_to_ppd.get(tuned_profile, "unknown") @exports.export("sss", "u") def HoldProfile(self, profile, reason, app_id, caller): if profile != PPD_POWER_SAVER and profile != PPD_PERFORMANCE: raise dbus.exceptions.DBusException( "Only '%s' and '%s' profiles may be held" % (PPD_POWER_SAVER, PPD_PERFORMANCE) ) return self._profile_holds.add(profile, reason, app_id, caller) @exports.export("u", "") def ReleaseProfile(self, cookie, caller): if not self._profile_holds.has(cookie): raise dbus.exceptions.DBusException("No active hold for cookie '%s'" % cookie) self._profile_holds.remove(cookie) @exports.signal("u") def ProfileReleased(self, cookie): pass @exports.property_setter("ActiveProfile") def set_active_profile(self, profile): if profile not in self._config.ppd_to_tuned: raise dbus.exceptions.DBusException("Invalid profile '%s'" % profile) self._base_profile = profile self._profile_holds.clear() self.switch_profile(profile) @exports.property_getter("ActiveProfile") def get_active_profile(self): return self.active_profile() @exports.property_getter("Profiles") def get_profiles(self): return dbus.Array( [{"Profile": profile, "Driver": DRIVER} for profile in self._config.ppd_to_tuned.keys()], signature="a{sv}", ) @exports.property_getter("Actions") def get_actions(self): return dbus.Array([], signature="s") @exports.property_getter("PerformanceDegraded") def get_performance_degraded(self): return self._performance_degraded @exports.property_getter("ActiveProfileHolds") def get_active_profile_holds(self): return self._profile_holds.as_dbus_array() usr/lib/python3.6/site-packages/tuned/daemon/controller.py 0000644 00000031165 14720534205 0017542 0 ustar 00 from tuned import exports import tuned.logs import tuned.exceptions from tuned.exceptions import TunedException import threading import tuned.consts as consts from tuned.utils.commands import commands __all__ = ["Controller"] log = tuned.logs.get() class TimerStore(object): def __init__(self): self._timers = dict() self._timers_lock = threading.Lock() def store_timer(self, token, timer): with self._timers_lock: self._timers[token] = timer def drop_timer(self, token): with self._timers_lock: try: timer = self._timers[token] timer.cancel() del self._timers[token] except: pass def cancel_all(self): with self._timers_lock: for timer in self._timers.values(): timer.cancel() self._timers.clear() class Controller(tuned.exports.interfaces.ExportableInterface): """ Controller's purpose is to keep the program running, start/stop the tuning, and export the controller interface (currently only over D-Bus). """ def __init__(self, daemon, global_config): super(Controller, self).__init__() self._daemon = daemon self._global_config = global_config self._terminate = threading.Event() self._cmd = commands() self._timer_store = TimerStore() def run(self): """ Controller main loop. The call is blocking. """ log.info("starting controller") res = self.start() daemon = self._global_config.get_bool(consts.CFG_DAEMON, consts.CFG_DEF_DAEMON) if not res and daemon: exports.start() if daemon: self._terminate.clear() # we have to pass some timeout, otherwise signals will not work while not self._cmd.wait(self._terminate, 1): exports.period_check() log.info("terminating controller") self.stop() def terminate(self): self._terminate.set() def sighup(self): if not self._daemon._sighup_processing.is_set(): self._daemon._sighup_processing.set() if not self.reload(): self._daemon._sighup_processing.clear() @exports.signal("sbs") def profile_changed(self, profile_name, result, errstr): pass # exports decorator checks the authorization (currently through polkit), caller is None if # no authorization was performed (i.e. the call should process as authorized), string # identifying caller (with DBus it's the caller bus name) if authorized and empty # string if not authorized, caller must be the last argument def _log_capture_abort(self, token): tuned.logs.log_capture_finish(token) self._timer_store.drop_timer(token) @exports.export("ii", "s") def log_capture_start(self, log_level, timeout, caller = None): if caller == "": return "" token = tuned.logs.log_capture_start(log_level) if token is None: return "" if timeout > 0: timer = threading.Timer(timeout, self._log_capture_abort, args = [token]) self._timer_store.store_timer(token, timer) timer.start() return "" if token is None else token @exports.export("s", "s") def log_capture_finish(self, token, caller = None): if caller == "": return "" res = tuned.logs.log_capture_finish(token) self._timer_store.drop_timer(token) return "" if res is None else res @exports.export("", "b") def start(self, caller = None): if caller == "": return False if self._global_config.get_bool(consts.CFG_DAEMON, consts.CFG_DEF_DAEMON): if self._daemon.is_running(): return True elif not self._daemon.is_enabled(): return False return self._daemon.start() def _stop(self, profile_switch = False): if not self._daemon.is_running(): res = True else: res = self._daemon.stop(profile_switch = profile_switch) self._timer_store.cancel_all() return res @exports.export("", "b") def stop(self, caller = None): if caller == "": return False return self._stop(profile_switch = False) @exports.export("", "b") def reload(self, caller = None): if caller == "": return False if self._daemon.is_running(): stop_ok = self._stop(profile_switch = True) if not stop_ok: return False try: self._daemon.reload_profile_config() except TunedException as e: log.error("Failed to reload TuneD: %s" % e) return False return self.start() def _switch_profile(self, profile_name, manual): was_running = self._daemon.is_running() msg = "OK" success = True reapply = False try: if was_running: self._daemon.stop(profile_switch = True) self._daemon.set_profile(profile_name, manual) except tuned.exceptions.TunedException as e: success = False msg = str(e) if was_running and self._daemon.profile.name == profile_name: log.error("Failed to reapply profile '%s'. Did it change on disk and break?" % profile_name) reapply = True else: log.error("Failed to apply profile '%s'" % profile_name) finally: if was_running: if reapply: log.warn("Applying previously applied (possibly out-dated) profile '%s'." % profile_name) elif not success: log.info("Applying previously applied profile.") self._daemon.start() return (success, msg) @exports.export("s", "(bs)") def switch_profile(self, profile_name, caller = None): if caller == "": return (False, "Unauthorized") return self._switch_profile(profile_name, True) @exports.export("", "(bs)") def auto_profile(self, caller = None): if caller == "": return (False, "Unauthorized") profile_name = self.recommend_profile() return self._switch_profile(profile_name, False) @exports.export("", "s") def active_profile(self, caller = None): if caller == "": return "" if self._daemon.profile is not None: return self._daemon.profile.name else: return "" @exports.export("", "(ss)") def profile_mode(self, caller = None): if caller == "": return "unknown", "Unauthorized" manual = self._daemon.manual if manual is None: # This means no profile is applied. Check the preset value. try: profile, manual = self._cmd.get_active_profile() if manual is None: manual = profile is not None except TunedException as e: mode = "unknown" error = str(e) return mode, error mode = consts.ACTIVE_PROFILE_MANUAL if manual else consts.ACTIVE_PROFILE_AUTO return mode, "" @exports.export("", "s") def post_loaded_profile(self, caller = None): if caller == "": return "" return self._daemon.post_loaded_profile or "" @exports.export("", "b") def disable(self, caller = None): if caller == "": return False if self._daemon.is_running(): self._daemon.stop() if self._daemon.is_enabled(): self._daemon.set_all_profiles(None, True, None, save_instantly=True) return True @exports.export("", "b") def is_running(self, caller = None): if caller == "": return False return self._daemon.is_running() @exports.export("", "as") def profiles(self, caller = None): if caller == "": return [] return self._daemon.profile_loader.profile_locator.get_known_names() @exports.export("", "a(ss)") def profiles2(self, caller = None): if caller == "": return [] return self._daemon.profile_loader.profile_locator.get_known_names_summary() @exports.export("s", "(bsss)") def profile_info(self, profile_name, caller = None): if caller == "": return tuple(False, "", "", "") if profile_name is None or profile_name == "": profile_name = self.active_profile() return tuple(self._daemon.profile_loader.profile_locator.get_profile_attrs(profile_name, [consts.PROFILE_ATTR_SUMMARY, consts.PROFILE_ATTR_DESCRIPTION], [""])) @exports.export("", "s") def recommend_profile(self, caller = None): if caller == "": return "" return self._daemon.profile_recommender.recommend() @exports.export("", "b") def verify_profile(self, caller = None): if caller == "": return False return self._daemon.verify_profile(ignore_missing = False) @exports.export("", "b") def verify_profile_ignore_missing(self, caller = None): if caller == "": return False return self._daemon.verify_profile(ignore_missing = True) @exports.export("", "a{sa{ss}}") def get_all_plugins(self, caller = None): """Return dictionary with accesible plugins Return: dictionary -- {plugin_name: {parameter_name: default_value}} """ if caller == "": return False plugins = {} for plugin_class in self._daemon.get_all_plugins(): plugin_name = plugin_class.__module__.split(".")[-1].split("_", 1)[1] conf_options = plugin_class._get_config_options() plugins[plugin_name] = {} for key, val in conf_options.items(): plugins[plugin_name][key] = str(val) return plugins @exports.export("s","s") def get_plugin_documentation(self, plugin_name, caller = None): """Return docstring of plugin's class""" if caller == "": return False return self._daemon.get_plugin_documentation(str(plugin_name)) @exports.export("s","a{ss}") def get_plugin_hints(self, plugin_name, caller = None): """Return dictionary with plugin's parameters and their hints Parameters: plugin_name -- name of plugin Return: dictionary -- {parameter_name: hint} """ if caller == "": return False return self._daemon.get_plugin_hints(str(plugin_name)) @exports.export("s", "b") def register_socket_signal_path(self, path, caller = None): """Allows to dynamically add sockets to send signals to Parameters: path -- path to socket to register for sending signals Return: bool -- True on success """ if caller == "": return False if self._daemon._application and self._daemon._application._unix_socket_exporter: self._daemon._application._unix_socket_exporter.register_signal_path(path) return True return False # devices - devices to migrate from other instances, string of form "dev1,dev2,dev3,..." # or "cpulist:CPULIST", where CPULIST is e.g. "0-3,6,8-9" # instance_name - instance where to migrate devices @exports.export("ss", "(bs)") def instance_acquire_devices(self, devices, instance_name, caller = None): if caller == "": return (False, "Unauthorized") found = False for instance_target in self._daemon._unit_manager.instances: if instance_target.name == instance_name: log.debug("Found instance '%s'." % instance_target.name) found = True break if not found: rets = "Instance '%s' not found" % instance_name log.error(rets) return (False, rets) devs = set(self._cmd.devstr2devs(devices)) log.debug("Instance '%s' trying to acquire devices '%s'." % (instance_target.name, str(devs))) for instance in self._daemon._unit_manager.instances: devs_moving = instance.processed_devices & devs if len(devs_moving): devs -= devs_moving log.info("Moving devices '%s' from instance '%s' to instance '%s'." % (str(devs_moving), instance.name, instance_target.name)) if (instance.plugin.name != instance_target.plugin.name): rets = "Target instance '%s' is of type '%s', but devices '%s' are currently handled by " \ "instance '%s' which is of type '%s'." % (instance_target.name, instance_target.plugin.name, str(devs_moving), instance.name, instance.plugin.name) log.error(rets) return (False, rets) instance.plugin._remove_devices_nocheck(instance, devs_moving) instance_target.plugin._add_devices_nocheck(instance_target, devs_moving) if (len(devs)): rets = "Ignoring devices not handled by any instance '%s'." % str(devs) log.info(rets) return (False, rets) return (True, "OK") @exports.export("s", "(bsa(ss))") def get_instances(self, plugin_name, caller = None): """Return a list of active instances of a plugin or all active instances Parameters: plugin_name -- name of the plugin or an empty string Return: bool -- True on success string -- error message or "OK" list of string pairs -- [(instance_name, plugin_name)] """ if caller == "": return (False, "Unauthorized", []) if plugin_name != "" and plugin_name not in self.get_all_plugins().keys(): rets = "Plugin '%s' does not exist" % plugin_name log.error(rets) return (False, rets, []) instances = filter(lambda instance: instance.active, self._daemon._unit_manager.instances) if plugin_name != "": instances = filter(lambda instance: instance.plugin.name == plugin_name, instances) return (True, "OK", list(map(lambda instance: (instance.name, instance.plugin.name), instances))) @exports.export("s", "(bsas)") def instance_get_devices(self, instance_name, caller = None): """Return a list of devices assigned to an instance Parameters: instance_name -- name of the instance Return: bool -- True on success string -- error message or "OK" list of strings -- device names """ if caller == "": return (False, "Unauthorized", []) for instance in self._daemon._unit_manager.instances: if instance.name == instance_name: return (True, "OK", sorted(list(instance.processed_devices))) rets = "Instance '%s' not found" % instance_name log.error(rets) return (False, rets, [])
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