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""" def __init__(self): pass def merge(self, configs): """ Merge multiple configurations into one. If there are multiple units of the same type, option 'devices' is set for each unit with respect to eliminating any duplicate devices. """ merged_config = reduce(self._merge_two, configs) return merged_config def _merge_two(self, profile_a, profile_b): """ Merge two profiles. The configuration of units with matching names are updated with options from the newer profile. If the 'replace' options of the newer unit is 'True', all options from the older unit are dropped. """ profile_a.options.update(profile_b.options) for unit_name, unit in list(profile_b.units.items()): if unit.replace or unit_name not in profile_a.units: profile_a.units[unit_name] = unit else: profile_a.units[unit_name].type = unit.type profile_a.units[unit_name].enabled = unit.enabled profile_a.units[unit_name].devices = unit.devices if unit.devices_udev_regex is not None: profile_a.units[unit_name].devices_udev_regex = unit.devices_udev_regex if unit.cpuinfo_regex is not None: profile_a.units[unit_name].cpuinfo_regex = unit.cpuinfo_regex if unit.uname_regex is not None: profile_a.units[unit_name].uname_regex = unit.uname_regex if unit.script_pre is not None: profile_a.units[unit_name].script_pre = unit.script_pre if unit.script_post is not None: profile_a.units[unit_name].script_post = unit.script_post if unit.drop is not None: for option in unit.drop: profile_a.units[unit_name].options.pop(option, None) unit.drop = None if unit_name == "script" and profile_a.units[unit_name].options.get("script", None) is not None: script = profile_a.units[unit_name].options.get("script", None) profile_a.units[unit_name].options.update(unit.options) profile_a.units[unit_name].options["script"] = script + profile_a.units[unit_name].options["script"] else: profile_a.units[unit_name].options.update(unit.options) return profile_a variables.py 0000644 00000004444 15025044544 0007077 0 ustar 00 import os import re import tuned.logs from .functions import functions as functions import tuned.consts as consts from tuned.utils.commands import commands from tuned.utils.config_parser import ConfigParser, Error log = tuned.logs.get() class Variables(): """ Storage and processing of variables used in profiles """ def __init__(self): self._cmd = commands() self._lookup_re = {} self._lookup_env = {} self._functions = functions.Functions() def _add_env_prefix(self, s, prefix): if s.find(prefix) == 0: return s return prefix + s def _check_var(self, variable): return re.match(r'\w+$',variable) def add_variable(self, variable, value): if value is None: return s = str(variable) if not self._check_var(variable): log.error("variable definition '%s' contains unallowed characters" % variable) return v = self.expand(value) # variables referenced by ${VAR}, $ can be escaped by two $, # i.e. the following will not expand: $${VAR} self._lookup_re[r'(?<!\\)\${' + re.escape(s) + r'}'] = v self._lookup_env[self._add_env_prefix(s, consts.ENV_PREFIX)] = v def add_from_file(self, filename): if not os.path.exists(filename): log.error("unable to find variables_file: '%s'" % filename) return try: config = ConfigParser(delimiters=('='), inline_comment_prefixes=('#'), allow_no_value=True, strict=False) config.optionxform = str with open(filename) as f: config.read_string("[" + consts.MAGIC_HEADER_NAME + "]\n" + f.read(), filename) except Error: log.error("error parsing variables_file: '%s'" % filename) return for s in config.sections(): for o in config.options(s): self.add_variable(o, config.get(s, o, raw=True)) def add_from_cfg(self, cfg): for item in cfg: if str(item) == "include": self.add_from_file(os.path.normpath(cfg[item])) else: self.add_variable(item, cfg[item]) # expand static variables (no functions) def expand_static(self, value): return re.sub(r'\\(\${\w+})', r'\1', self._cmd.multiple_re_replace(self._lookup_re, value)) def expand(self, value): if value is None: return None # expand variables and convert all \${VAR} to ${VAR} (unescape) s = self.expand_static(str(value)) # expand built-in functions return self._functions.expand(s) def get_env(self): return self._lookup_env unit.py 0000644 00000005167 15025044544 0006111 0 ustar 00 import collections import re class Unit(object): """ Unit description. """ __slots__ = [ "_name", "_priority", "_type", "_enabled", "_replace", "_drop", "_devices", "_devices_udev_regex", \ "_cpuinfo_regex", "_uname_regex", "_script_pre", "_script_post", "_options" ] def __init__(self, name, config): self._name = name self._priority = config.pop("priority", None) self._type = config.pop("type", self._name) self._enabled = config.pop("enabled", True) in [True, "True", "true", 1, "1"] self._replace = config.pop("replace", False) in [True, "True", "true", 1, "1"] self._drop = config.pop("drop", None) if self._drop is not None: self._drop = re.split(r"\b\s*[,;]\s*", str(self._drop)) self._devices = config.pop("devices", "*") self._devices_udev_regex = config.pop("devices_udev_regex", None) self._cpuinfo_regex = config.pop("cpuinfo_regex", None) self._uname_regex = config.pop("uname_regex", None) self._script_pre = config.pop("script_pre", None) self._script_post = config.pop("script_post", None) self._options = collections.OrderedDict(config) @property def name(self): return self._name @property def priority(self): return self._priority @priority.setter def priority(self, value): self._priority = value @property def type(self): return self._type @type.setter def type(self, value): self._type = value @property def enabled(self): return self._enabled @enabled.setter def enabled(self, value): self._enabled = value @property def replace(self): return self._replace @property def drop(self): return self._drop @drop.setter def drop(self, value): self._drop = value @property def devices(self): return self._devices @devices.setter def devices(self, value): self._devices = value @property def devices_udev_regex(self): return self._devices_udev_regex @devices_udev_regex.setter def devices_udev_regex(self, value): self._devices_udev_regex = value @property def cpuinfo_regex(self): return self._cpuinfo_regex @cpuinfo_regex.setter def cpuinfo_regex(self, value): self._cpuinfo_regex = value @property def uname_regex(self): return self._uname_regex @uname_regex.setter def uname_regex(self, value): self._uname_regex = value @property def script_pre(self): return self._script_pre @script_pre.setter def script_pre(self, value): self._script_pre = value @property def script_post(self): return self._script_post @script_post.setter def script_post(self, value): self._script_post = value @property def options(self): return self._options @options.setter def options(self, value): self._options = value loader.py 0000644 00000010256 15025044544 0006373 0 ustar 00 import tuned.profiles.profile import tuned.profiles.variables from tuned.utils.config_parser import ConfigParser, Error import tuned.consts as consts import os.path import collections import tuned.logs import re from tuned.profiles.exceptions import InvalidProfileException log = tuned.logs.get() class Loader(object): """ Profiles loader. """ __slots__ = ["_profile_locator", "_profile_merger", "_profile_factory", "_global_config", "_variables"] def __init__(self, profile_locator, profile_factory, profile_merger, global_config, variables): self._profile_locator = profile_locator self._profile_factory = profile_factory self._profile_merger = profile_merger self._global_config = global_config self._variables = variables def _create_profile(self, profile_name, config): return tuned.profiles.profile.Profile(profile_name, config) @classmethod def safe_name(cls, profile_name): return re.match(r'^[a-zA-Z0-9_.-]+$', profile_name) @property def profile_locator(self): return self._profile_locator def load(self, profile_names): if type(profile_names) is not list: profile_names = profile_names.split() profile_names = list(filter(self.safe_name, profile_names)) if len(profile_names) == 0: raise InvalidProfileException("No profile or invalid profiles were specified.") if len(profile_names) > 1: log.info("loading profiles: %s" % ", ".join(profile_names)) else: log.info("loading profile: %s" % profile_names[0]) profiles = [] processed_files = [] self._load_profile(profile_names, profiles, processed_files) if len(profiles) > 1: final_profile = self._profile_merger.merge(profiles) else: final_profile = profiles[0] final_profile.name = " ".join(profile_names) if "variables" in final_profile.units: self._variables.add_from_cfg(final_profile.units["variables"].options) del(final_profile.units["variables"]) # FIXME hack, do all variable expansions in one place self._expand_vars_in_devices(final_profile) self._expand_vars_in_regexes(final_profile) return final_profile def _expand_vars_in_devices(self, profile): for unit in profile.units: profile.units[unit].devices = self._variables.expand(profile.units[unit].devices) def _expand_vars_in_regexes(self, profile): for unit in profile.units: profile.units[unit].cpuinfo_regex = self._variables.expand(profile.units[unit].cpuinfo_regex) profile.units[unit].uname_regex = self._variables.expand(profile.units[unit].uname_regex) def _load_profile(self, profile_names, profiles, processed_files): for name in profile_names: filename = self._profile_locator.get_config(name, processed_files) if filename == "": continue if filename is None: raise InvalidProfileException("Cannot find profile '%s' in '%s'." % (name, list(reversed(self._profile_locator._load_directories)))) processed_files.append(filename) config = self._load_config_data(filename) profile = self._profile_factory.create(name, config) if "include" in profile.options: include_names = re.split(r"\s*[,;]\s*", self._variables.expand(profile.options.pop("include"))) self._load_profile(include_names, profiles, processed_files) profiles.append(profile) def _expand_profile_dir(self, profile_dir, string): return re.sub(r'(?<!\\)\$\{i:PROFILE_DIR\}', profile_dir, string) def _load_config_data(self, file_name): try: config_obj = ConfigParser(delimiters=('='), inline_comment_prefixes=('#'), strict=False) config_obj.optionxform=str with open(file_name) as f: config_obj.read_file(f, file_name) except Error.__bases__ as e: raise InvalidProfileException("Cannot parse '%s'." % file_name, e) config = collections.OrderedDict() dir_name = os.path.dirname(file_name) for section in list(config_obj.sections()): config[section] = collections.OrderedDict() for option in config_obj.options(section): config[section][option] = config_obj.get(section, option, raw=True) config[section][option] = self._expand_profile_dir(dir_name, config[section][option]) if config[section].get("script") is not None: script_path = os.path.join(dir_name, config[section]["script"]) config[section]["script"] = [os.path.normpath(script_path)] return config profile.py 0000644 00000002156 15025044544 0006565 0 ustar 00 import tuned.profiles.unit import tuned.consts as consts import collections class Profile(object): """ Representation of a tuning profile. """ __slots__ = ["_name", "_options", "_units"] def __init__(self, name, config): self._name = name self._init_options(config) self._init_units(config) def _init_options(self, config): self._options = {} if consts.PLUGIN_MAIN_UNIT_NAME in config: self._options = dict(config[consts.PLUGIN_MAIN_UNIT_NAME]) def _init_units(self, config): self._units = collections.OrderedDict() for unit_name in config: if unit_name != consts.PLUGIN_MAIN_UNIT_NAME: new_unit = self._create_unit(unit_name, config[unit_name]) self._units[unit_name] = new_unit def _create_unit(self, name, config): return tuned.profiles.unit.Unit(name, config) @property def name(self): """ Profile name. """ return self._name @name.setter def name(self, value): self._name = value @property def units(self): """ Units included in the profile. """ return self._units @property def options(self): """ Profile global options. """ return self._options locator.py 0000644 00000007310 15025044544 0006565 0 ustar 00 import os import tuned.consts as consts from tuned.utils.config_parser import ConfigParser, Error class Locator(object): """ Profiles locator and enumerator. """ __slots__ = ["_load_directories"] def __init__(self, load_directories): if type(load_directories) is not list: raise TypeError("load_directories parameter is not a list") self._load_directories = load_directories @property def load_directories(self): return self._load_directories def _get_config_filename(self, *path_parts): path_parts = list(path_parts) + ["tuned.conf"] config_name = os.path.join(*path_parts) return os.path.normpath(config_name) def get_config(self, profile_name, skip_files=None): ret = None conditional_load = profile_name[0:1] == "-" if conditional_load: profile_name = profile_name[1:] for dir_name in reversed(self._load_directories): # basename is protection not to get out of the path config_file = self._get_config_filename(dir_name, os.path.basename(profile_name)) if skip_files is not None and config_file in skip_files: ret = "" continue if os.path.isfile(config_file): return config_file if conditional_load and ret is None: ret = "" return ret def check_profile_name_format(self, profile_name): return profile_name is not None and profile_name != "" and "/" not in profile_name def parse_config(self, profile_name): if not self.check_profile_name_format(profile_name): return None config_file = self.get_config(profile_name) if config_file is None: return None try: config = ConfigParser(delimiters=('='), inline_comment_prefixes=('#'), allow_no_value=True, strict=False) config.optionxform = str with open(config_file) as f: config.read_string("[" + consts.MAGIC_HEADER_NAME + "]\n" + f.read()) return config except (IOError, OSError, Error) as e: return None # Get profile attributes (e.g. summary, description), attrs is list of requested attributes, # if it is not list it is converted to list, defvals is list of default values to return if # attribute is not found, it is also converted to list if it is not list. # Returns list of the following format [status, profile_name, attr1_val, attr2_val, ...], # status is boolean. def get_profile_attrs(self, profile_name, attrs, defvals = None): # check types try: attrs_len = len(attrs) except TypeError: attrs = [attrs] attrs_len = 1 try: defvals_len = len(defvals) except TypeError: defvals = [defvals] defvals_len = 1 # Extend defvals if needed, last value is used for extension if defvals_len < attrs_len: defvals = defvals + ([defvals[-1]] * (attrs_len - defvals_len)) config = self.parse_config(profile_name) if config is None: return [False, "", "", ""] main_unit_in_config = consts.PLUGIN_MAIN_UNIT_NAME in config.sections() vals = [True, profile_name] for (attr, defval) in zip(attrs, defvals): if attr == "" or attr is None: vals[0] = False vals = vals + [""] elif main_unit_in_config and attr in config.options(consts.PLUGIN_MAIN_UNIT_NAME): vals = vals + [config.get(consts.PLUGIN_MAIN_UNIT_NAME, attr, raw=True)] else: vals = vals + [defval] return vals def list_profiles(self): profiles = set() for dir_name in self._load_directories: try: for profile_name in os.listdir(dir_name): config_file = self._get_config_filename(dir_name, profile_name) if os.path.isfile(config_file): profiles.add(profile_name) except OSError: pass return profiles def get_known_names(self): return sorted(self.list_profiles()) def get_known_names_summary(self): return [(profile, self.get_profile_attrs(profile, [consts.PROFILE_ATTR_SUMMARY], [""])[2]) for profile in sorted(self.list_profiles())] functions/__pycache__/function_virt_check.cpython-39.pyc 0000644 00000002131 15025044544 0017443 0 ustar 00 a �ԳfS � @ s> d dl Z d dlZddlmZ d dlmZ G dd� dej�ZdS )� N� )�base)�commandsc s, e Zd ZdZ� fdd�Z� fdd�Z� ZS )� virt_checkz� Checks whether running inside virtual machine (VM) or on bare metal. 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For the complement it gets number of online CPUs from the /sys/devices/system/cpu/online, e.g. system with 4 CPUs (0-3), the inversion of list "0,2,3" will be "1" """ def __init__(self): # arbitrary number of arguments super(cpulist_invert, self).__init__("cpulist_invert", 0) def execute(self, args): if not super(cpulist_invert, self).execute(args): return None return ",".join(str(v) for v in self._cmd.cpulist_invert(",,".join(args))) functions/function_cpulist_unpack.py 0000644 00000000777 15025044544 0014075 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist_unpack(base.Function): """ Conversion function: unpacks CPU list in form 1-3,4 to 1,2,3,4 """ def __init__(self): # arbitrary number of arguments super(cpulist_unpack, self).__init__("cpulist_unpack", 0) def execute(self, args): if not super(cpulist_unpack, self).execute(args): return None return ",".join(str(v) for v in self._cmd.cpulist_unpack(",,".join(args))) functions/base.py 0000644 00000002020 15025044544 0010035 0 ustar 00 import os import tuned.logs from tuned.utils.commands import commands log = tuned.logs.get() class Function(object): """ Built-in function """ def __init__(self, name, nargs_max, nargs_min = None): self._name = name self._nargs_max = nargs_max self._nargs_min = nargs_min self._cmd = commands() # checks arguments # nargs_max - maximal number of arguments, there mustn't be more arguments, # if nargs_max is 0, number of arguments is unlimited # nargs_min - minimal number of arguments, if not None there must # be the same number of arguments or more @classmethod def _check_args(cls, args, nargs_max, nargs_min = None): if args is None or nargs_max is None: return False la = len(args) return (nargs_max == 0 or nargs_max >= la) and (nargs_min is None or nargs_min <= la) def execute(self, args): if self._check_args(args, self._nargs_max, self._nargs_min): return True else: log.error("invalid number of arguments for builtin function '%s'" % self._name) return False functions/function_assertion.py 0000644 00000001377 15025044544 0013055 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands from tuned.profiles.exceptions import InvalidProfileException log = tuned.logs.get() class assertion(base.Function): """ Assertion: compares argument 2 with argument 3. If they don't match it logs text from argument 1 and throws InvalidProfileException. This exception will abort profile loading. """ def __init__(self): # 3 arguments super(assertion, self).__init__("assertion", 3, 3) def execute(self, args): if not super(assertion, self).execute(args): return None if args[1] != args[2]: log.error("assertion '%s' failed: '%s' != '%s'" % (args[0], args[1], args[2])) raise InvalidProfileException("Assertion '%s' failed." % args[0]) return None functions/function_cpulist_pack.py 0000644 00000001175 15025044544 0013523 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist_pack(base.Function): """ Conversion function: packs CPU list in form 1,2,3,5 to 1-3,5. The cpulist_unpack is used as a preprocessor, so it always returns optimal results. For details about input syntax see cpulist_unpack. """ def __init__(self): # arbitrary number of arguments super(cpulist_pack, self).__init__("cpulist_pack", 0) def execute(self, args): if not super(cpulist_pack, self).execute(args): return None return ",".join(str(v) for v in self._cmd.cpulist_pack(",,".join(args))) functions/function_cpulist2hex.py 0000644 00000000726 15025044544 0013315 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist2hex(base.Function): """ Conversion function: converts CPU list to hexadecimal CPU mask """ def __init__(self): # arbitrary number of arguments super(cpulist2hex, self).__init__("cpulist2hex", 0) def execute(self, args): if not super(cpulist2hex, self).execute(args): return None return self._cmd.cpulist2hex(",,".join(args)) functions/function_cpulist2devs.py 0000644 00000000714 15025044544 0013467 0 ustar 00 import tuned.logs from . import base log = tuned.logs.get() class cpulist2devs(base.Function): """ Conversion function: converts CPU list to device strings """ def __init__(self): # arbitrary number of arguments super(cpulist2devs, self).__init__("cpulist2devs", 0) def execute(self, args): if not super(cpulist2devs, self).execute(args): return None return self._cmd.cpulist2string(self._cmd.cpulist_unpack(",".join(args)), prefix = "cpu") functions/function_s2kb.py 0000644 00000000641 15025044544 0011700 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands class s2kb(base.Function): """ Conversion function: sectors to kbytes """ def __init__(self): # 1 argument super(s2kb, self).__init__("s2kb", 1, 1) def execute(self, args): if not super(s2kb, self).execute(args): return None try: return str(int(round(int(args[0]) / 2))) except ValueError: return None functions/functions.py 0000644 00000004242 15025044544 0011143 0 ustar 00 import os import re import glob from . import repository import tuned.logs import tuned.consts as consts from tuned.utils.commands import commands log = tuned.logs.get() cmd = commands() class Functions(): """ Built-in functions """ def __init__(self): self._repository = repository.Repository() self._parse_init() def _parse_init(self, s = ""): self._cnt = 0 self._str = s self._len = len(s) self._stack = [] self._esc = False def _curr_char(self): return self._str[self._cnt] if self._cnt < self._len else "" def _curr_substr(self, _len): return self._str[self._cnt:self._cnt + _len] def _push_pos(self, esc): self._stack.append((esc, self._cnt)) def _sub(self, a, b, s): self._str = self._str[:a] + s + self._str[b + 1:] self._len = len(self._str) self._cnt += len(s) - (b - a + 1) if self._cnt < 0: self._cnt = 0 def _process_func(self, _from): sl = re.split(r'(?<!\\):', self._str[_from:self._cnt]) if sl[0] != "${f": return sl = [str(v).replace(r"\:", ":") for v in sl] if not re.match(r'\w+$', sl[1]): log.error("invalid function name '%s'" % sl[1]) return try: f = self._repository.load_func(sl[1]) except ImportError: log.error("function '%s' not implemented" % sl[1]) return s = f.execute(sl[2:]) log.debug("${f:%s} expands to: '%s'" % (":".join(sl[1:]), s)) if s is None: return self._sub(_from, self._cnt, s) def _process(self, s): self._parse_init(s) while self._cnt < self._len: if self._curr_char() == "}": try: si = self._stack.pop() except IndexError: log.error("invalid variable syntax, non pair '}' in: '%s'" % s) return self._str # if not escaped if not si[0]: self._process_func(si[1]) elif self._curr_substr(2) == "${": self._push_pos(self._esc) if self._curr_char() == "\\": self._esc = True else: self._esc = False self._cnt += 1 if len(self._stack): log.error("invalid variable syntax, non pair '{' in: '%s'" % s) return self._str def expand(self, s): if s is None or s == "": return s # expand functions and convert all \${f:*} to ${f:*} (unescape) return re.sub(r'\\(\${f:.*})', r'\1', self._process(s)) functions/function_check_net_queue_count.py 0000644 00000001215 15025044544 0015374 0 ustar 00 import tuned.logs from . import base log = tuned.logs.get() class check_net_queue_count(base.Function): """ Checks whether the user has specified a queue count for net devices. If not, return the number of housekeeping CPUs. """ def __init__(self): # 1 argument super(check_net_queue_count, self).__init__("check_net_queue_count", 1, 1) def execute(self, args): if not super(check_net_queue_count, self).execute(args): return None if args[0].isdigit(): return args[0] (ret, out) = self._cmd.execute(["nproc"]) log.warning("net-dev queue count is not correctly specified, setting it to HK CPUs %s" % (out)) return out functions/function_lscpu_check.py 0000644 00000002026 15025044544 0013321 0 ustar 00 import re import tuned.logs from . import base log = tuned.logs.get() class lscpu_check(base.Function): """ Checks regexes against the output of lscpu. Accepts arguments in the following form: REGEX1, STR1, REGEX2, STR2, ...[, STR_FALLBACK] If REGEX1 matches something in the output it expands to STR1, if REGEX2 matches it expands to STR2. It stops on the first match, i.e. if REGEX1 matches, no more regexes are processed. If none regex matches it expands to STR_FALLBACK. If there is no fallback, it expands to empty string. """ def __init__(self): # unlimited number of arguments, min 2 arguments super(lscpu_check, self).__init__("lscpu_check", 0, 2) def execute(self, args): if not super(lscpu_check, self).execute(args): return None # Stdout is the 2nd result from the execute call _, lscpu = self._cmd.execute("lscpu") for i in range(0, len(args), 2): if i + 1 < len(args): if re.search(args[i], lscpu, re.MULTILINE): return args[i + 1] if len(args) % 2: return args[-1] else: return "" functions/function_regex_search_ternary.py 0000644 00000001052 15025044544 0015237 0 ustar 00 import re from . import base class regex_search_ternary(base.Function): """ Ternary regex operator, it takes arguments in the following form STR1, REGEX, STR2, STR3 If REGEX matches STR1 (re.search is used), STR2 is returned, otherwise STR3 is returned """ def __init__(self): # 4 arguments super(regex_search_ternary, self).__init__("regex_search_ternary", 4, 4) def execute(self, args): if not super(regex_search_ternary, self).execute(args): return None if re.search(args[1], args[0]): return args[2] else: return args[3] functions/repository.py 0000644 00000002404 15025044544 0011350 0 ustar 00 from tuned.utils.plugin_loader import PluginLoader from . import base import tuned.logs import tuned.consts as consts from tuned.utils.commands import commands log = tuned.logs.get() class Repository(PluginLoader): def __init__(self): super(Repository, self).__init__() self._functions = {} @property def functions(self): return self._functions def _set_loader_parameters(self): self._namespace = "tuned.profiles.functions" self._prefix = consts.FUNCTION_PREFIX self._interface = tuned.profiles.functions.base.Function def create(self, function_name): log.debug("creating function %s" % function_name) function_cls = self.load_plugin(function_name) function_instance = function_cls() self._functions[function_name] = function_instance return function_instance # loads function from plugin file and return it # if it is already loaded, just return it, it is not loaded again def load_func(self, function_name): if not function_name in self._functions: return self.create(function_name) return self._functions[function_name] def delete(self, function): assert isinstance(function, self._interface) log.debug("removing function %s" % function) for k, v in list(self._functions.items()): if v == function: del self._functions[k] functions/function_package2cpus.py 0000644 00000002365 15025044544 0013414 0 ustar 00 import os import fnmatch from . import base from tuned.utils.commands import commands from tuned import logs log = logs.get() cmd = commands() SYSFS_DIR = "/sys/devices/system/cpu/" class package2cpus(base.Function): """ Provides cpu device list for a package (socket) """ def __init__(self): super(package2cpus, self).__init__("package2cpus", 0) def execute(self, args): if not super(package2cpus, self).execute(args): return None if len(args) <= 0: return None try: all_cpus = fnmatch.filter(os.listdir(SYSFS_DIR), "cpu[0-9]*") except OSError: return None devices = [] for cpu in all_cpus: f = SYSFS_DIR + cpu + "/topology/physical_package_id" if not os.path.exists(f): log.warning("File '%s' does not exist" % f) continue value = cmd.read_file(f) try: package_id = int(value) except ValueError: log.warning("Invalid package id '%s' for cpu '%s'" % (value, cpu)) continue for package_pattern in args: try: this_package_id = int(package_pattern) except ValueError: if fnmatch.fnmatch(value, package_pattern): devices.append(cpu) else: if package_id == this_package_id: devices.append(cpu) return ",".join(devices) if len(devices) > 0 else None functions/function_exec.py 0000644 00000000747 15025044544 0011772 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands class execute(base.Function): """ Executes process and substitutes its output. """ def __init__(self): # unlimited number of arguments, min 1 argument (the name of executable) super(execute, self).__init__("exec", 0, 1) def execute(self, args): if not super(execute, self).execute(args): return None (ret, out) = self._cmd.execute(args) if ret == 0: return out return None functions/function_package2uncores.py 0000644 00000003144 15025044544 0014114 0 ustar 00 import os import fnmatch from . import base from tuned.utils.commands import commands from tuned import logs log = logs.get() cmd = commands() SYSFS_DIR = "/sys/devices/system/cpu/intel_uncore_frequency/" class package2uncores(base.Function): """ Provides uncore device list for a package (socket) """ def __init__(self): super(package2uncores, self).__init__("package2uncores", 0) def execute(self, args): if not super(package2uncores, self).execute(args): return None if len(args) <= 0: return None try: all_uncores = os.listdir(SYSFS_DIR) except OSError: return None # For new TPMI interface use only uncore devices tpmi_devices = fnmatch.filter(all_uncores, 'uncore*') if len(tpmi_devices) > 0: is_tpmi = True all_uncores = tpmi_devices else: is_tpmi = False devices = [] for uncore in all_uncores: if is_tpmi: f = SYSFS_DIR + uncore + "/package_id" if not os.path.exists(f): log.warning("File '%s' does not exist" % f) continue value = cmd.read_file(f) else: # uncore string is in form: package_NN_die_MM, do not expect more than 99 packages value = uncore[8:10] try: package_id = int(value) except ValueError: log.warning("Invalid package id '%s' for uncore '%s'" % (value, uncore)) continue for package_pattern in args: try: this_package_id = int(package_pattern) except ValueError: if fnmatch.fnmatch(value, package_pattern): devices.append(uncore) else: if package_id == this_package_id: devices.append(uncore) return ",".join(devices) if len(devices) > 0 else None functions/function_kb2s.py 0000644 00000000625 15025044544 0011702 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands class kb2s(base.Function): """ Conversion function: kbytes to sectors """ def __init__(self): # 1 argument super(kb2s, self).__init__("kb2s", 1, 1) def execute(self, args): if not super(kb2s, self).execute(args): return None try: return str(int(args[0]) * 2) except ValueError: return None functions/function_calc_isolated_cores.py 0000644 00000003153 15025044544 0015021 0 ustar 00 import os import glob import tuned.logs from . import base import tuned.consts as consts log = tuned.logs.get() class calc_isolated_cores(base.Function): """ Calculates and returns isolated cores. The argument specifies how many cores per socket reserve for housekeeping. If not specified, 1 core per socket is reserved for housekeeping and the rest is isolated. """ def __init__(self): # max 1 argument super(calc_isolated_cores, self).__init__("calc_isolated_cores", 1) def execute(self, args): if not super(calc_isolated_cores, self).execute(args): return None cpus_reserve = 1 if len(args) > 0: if not args[0].isdecimal() or int(args[0]) < 0: log.error("invalid argument '%s' for builtin function '%s', it must be non-negative integer" % (args[0], self._name)) return None else: cpus_reserve = int(args[0]) topo = {} for cpu in glob.iglob(os.path.join(consts.SYSFS_CPUS_PATH, "cpu*")): cpuid = os.path.basename(cpu)[3:] if cpuid.isdecimal(): physical_package_id = os.path.join(cpu, "topology/physical_package_id") # Show no errors when the physical_package_id file does not exist -- the CPU may be offline. if not os.path.exists(physical_package_id): log.debug("file '%s' does not exist, cpu%s offline?" % (physical_package_id, cpuid)) continue socket = self._cmd.read_file(physical_package_id).strip() if socket.isdecimal(): topo[socket] = topo.get(socket, []) + [cpuid] isol_cpus = [] for cpus in topo.values(): cpus.sort(key = int) isol_cpus = isol_cpus + cpus[cpus_reserve:] isol_cpus.sort(key = int) return ",".join(isol_cpus) functions/function_log.py 0000644 00000000703 15025044544 0011617 0 ustar 00 import tuned.logs from . import base log = tuned.logs.get() class execute(base.Function): """ Expands to concatenation of arguments and logs the result, useful for debugging. """ def __init__(self): # unlimited number of arguments, min 1 argument (the value to log) super(execute, self).__init__("log", 0, 1) def execute(self, args): if not super(execute, self).execute(args): return None s = "".join(args) log.info(s) return s functions/function_strip.py 0000644 00000000626 15025044544 0012203 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands class strip(base.Function): """ Makes string from all arguments and strip it """ def __init__(self): # unlimited number of arguments, min 1 argument super(strip, self).__init__("strip", 0, 1) def execute(self, args): if not super(strip, self).execute(args): return None return "".join(args).strip() functions/function_cpulist_online.py 0000644 00000001213 15025044544 0014062 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist_online(base.Function): """ Checks whether CPUs from list are online, returns list containing only online CPUs """ def __init__(self): # arbitrary number of arguments super(cpulist_online, self).__init__("cpulist_online", 0) def execute(self, args): if not super(cpulist_online, self).execute(args): return None cpus = self._cmd.cpulist_unpack(",".join(args)) online = self._cmd.cpulist_unpack(self._cmd.read_file("/sys/devices/system/cpu/online")) return ",".join(str(v) for v in cpus if v in online) functions/__init__.py 0000644 00000000043 15025044544 0010665 0 ustar 00 from .repository import Repository functions/function_assertion_non_equal.py 0000644 00000001453 15025044544 0015111 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands from tuned.profiles.exceptions import InvalidProfileException log = tuned.logs.get() class assertion_non_equal(base.Function): """ Assertion non equal: compares argument 2 with argument 3. If they match it logs text from argument 1 and throws InvalidProfileException. This exception will abort profile loading. """ def __init__(self): # 3 arguments super(assertion_non_equal, self).__init__("assertion_non_equal", 3, 3) def execute(self, args): if not super(assertion_non_equal, self).execute(args): return None if args[1] == args[2]: log.error("assertion '%s' failed: '%s' == '%s'" % (args[0], args[1], args[2])) raise InvalidProfileException("Assertion '%s' failed." % args[0]) return None functions/function_cpulist2hex_invert.py 0000644 00000001160 15025044544 0014675 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist2hex_invert(base.Function): """ Converts CPU list to hexadecimal CPU mask and inverts it """ def __init__(self): # arbitrary number of arguments super(cpulist2hex_invert, self).__init__("cpulist2hex_invert", 0) def execute(self, args): if not super(cpulist2hex_invert, self).execute(args): return None # current implementation inverts the CPU list and then converts it to hexmask return self._cmd.cpulist2hex(",".join(str(v) for v in self._cmd.cpulist_invert(",,".join(args)))) functions/function_intel_recommended_pstate.py 0000644 00000002517 15025044544 0016100 0 ustar 00 from . import base PROCESSOR_NAME = ("sandybridge", "ivybridge", "haswell", "broadwell", "skylake") PMU_PATH = "/sys/devices/cpu/caps/pmu_name" ACTIVE = "active" DISABLE = "disable" class intel_recommended_pstate(base.Function): """ Checks the processor code name and return the recommended intel_pstate CPUFreq driver mode. Active is returned for the newer generation of processors not in the PROCESSOR_NAME list. Intel recommends to use the intel_pstate CPUFreq driver in active mode with HWP enabled on Ice Lake and later generations processors. This function allows dynamically setting intel_pstate based on the processor's model. For pre-IceLake processors setting pstate to active can introduce jitters which were historically seen around and tested with RHEL-7.4. From IceLake generation, intel has fixed these issues. """ def __init__(self): super(intel_recommended_pstate, self).__init__("intel_recommended_pstate", 0) def execute(self, args): if not super(intel_recommended_pstate, self).execute(args): return None current_processor_name = self._cmd.read_file(PMU_PATH).strip() if current_processor_name == "" or current_processor_name in PROCESSOR_NAME: return DISABLE return ACTIVE functions/function_virt_check.py 0000644 00000001123 15025044544 0013154 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands class virt_check(base.Function): """ Checks whether running inside virtual machine (VM) or on bare metal. If running inside VM expands to argument 1, otherwise expands to argument 2 (even on error). """ def __init__(self): # 2 arguments super(virt_check, self).__init__("virt_check", 2, 2) def execute(self, args): if not super(virt_check, self).execute(args): return None (ret, out) = self._cmd.execute(["virt-what"]) if ret == 0 and len(out) > 0: return args[0] return args[1] functions/function_cpuinfo_check.py 0000644 00000001763 15025044544 0013645 0 ustar 00 import re import tuned.logs from . import base log = tuned.logs.get() class cpuinfo_check(base.Function): """ Checks regexes against /proc/cpuinfo. Accepts arguments in the following form: REGEX1, STR1, REGEX2, STR2, ...[, STR_FALLBACK] If REGEX1 matches something in /proc/cpuinfo it expands to STR1, if REGEX2 matches it expands to STR2. It stops on the first match, i.e. if REGEX1 matches, no more regexes are processed. If none regex matches it expands to STR_FALLBACK. If there is no fallback, it expands to empty string. """ def __init__(self): # unlimited number of arguments, min 2 arguments super(cpuinfo_check, self).__init__("cpuinfo_check", 0, 2) def execute(self, args): if not super(cpuinfo_check, self).execute(args): return None cpuinfo = self._cmd.read_file("/proc/cpuinfo") for i in range(0, len(args), 2): if i + 1 < len(args): if re.search(args[i], cpuinfo, re.MULTILINE): return args[i + 1] if len(args) % 2: return args[-1] else: return "" functions/function_cpulist_present.py 0000644 00000001263 15025044544 0014263 0 ustar 00 import os import tuned.logs from . import base from tuned.utils.commands import commands log = tuned.logs.get() class cpulist_present(base.Function): """ Checks whether CPUs from list are present, returns list containing only present CPUs """ def __init__(self): # arbitrary number of arguments super(cpulist_present, self).__init__("cpulist_present", 0) def execute(self, args): if not super(cpulist_present, self).execute(args): return None cpus = self._cmd.cpulist_unpack(",,".join(args)) present = self._cmd.cpulist_unpack(self._cmd.read_file("/sys/devices/system/cpu/present")) return ",".join(str(v) for v in sorted(list(set(cpus).intersection(set(present))))) factory.py 0000644 00000000215 15025044544 0006566 0 ustar 00 import tuned.profiles.profile class Factory(object): def create(self, name, config): return tuned.profiles.profile.Profile(name, config) exceptions.py 0000644 00000000137 15025044544 0007303 0 ustar 00 import tuned.exceptions class InvalidProfileException(tuned.exceptions.TunedException): pass __init__.py 0000644 00000000431 15025044544 0006656 0 ustar 00 from tuned.profiles.locator import * from tuned.profiles.loader import * from tuned.profiles.profile import * from tuned.profiles.unit import * from tuned.profiles.exceptions import * from tuned.profiles.factory import * from tuned.profiles.merger import * from . import functions
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