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Editing: tuned-adm
#!/usr/bin/python3 -Es # # tuned: daemon for monitoring and adaptive tuning of system devices # # Copyright (C) 2008-2013 Red Hat, Inc. # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. # from __future__ import print_function import argparse import sys import traceback import tuned.admin import tuned.consts as consts import tuned.version as ver from tuned.utils.global_config import GlobalConfig def check_positive(value): try: val = int(value) except ValueError: val = -1 if val <= 0: raise argparse.ArgumentTypeError("%s has to be > 0" % value) return val def check_log_level(value): try: return consts.CAPTURE_LOG_LEVELS[value.lower()] except KeyError: levels = ", ".join(consts.CAPTURE_LOG_LEVELS.keys()) raise argparse.ArgumentTypeError( "Invalid log level: %s. Valid log levels: %s." % (value, levels)) if __name__ == "__main__": config = GlobalConfig() parser = argparse.ArgumentParser(description="Manage tuned daemon.") parser.add_argument('--version', "-v", action = "version", version = "%%(prog)s %s.%s.%s" % (ver.TUNED_VERSION_MAJOR, ver.TUNED_VERSION_MINOR, ver.TUNED_VERSION_PATCH)) parser.add_argument("--debug", "-d", action="store_true", help="show debug messages") parser.add_argument("--async", "-a", action="store_true", help="with dbus do not wait on commands completion and return immediately") parser.add_argument("--timeout", "-t", default = consts.ADMIN_TIMEOUT, type = check_positive, help="with sync operation use specific timeout instead of the default %d second(s)" % consts.ADMIN_TIMEOUT) levels = ", ".join(consts.CAPTURE_LOG_LEVELS.keys()) help = "level of log messages to capture (one of %s). Default: %s" \ % (levels, consts.CAPTURE_LOG_LEVEL) parser.add_argument("--loglevel", "-l", default = consts.CAPTURE_LOG_LEVEL, type = check_log_level, help = help) subparsers = parser.add_subparsers() parser_list = subparsers.add_parser("list", help="list available profiles or plugins (by default profiles)") parser_list.set_defaults(action="list") parser_list.add_argument("list_choice", nargs="?",default="profiles", choices=["plugins","profiles"], help="choose what to list", metavar="{plugins|profiles}") parser_list.add_argument("--verbose", "-v", action="store_true", help="show plugin's configuration parameters and their meaning") parser_active = subparsers.add_parser("active", help="show active profile") parser_active.set_defaults(action="active") parser_off = subparsers.add_parser("off", help="switch off all tunings") parser_off.set_defaults(action="off") parser_profile = subparsers.add_parser("profile", help="switch to a given profile, or list available profiles if no profile is given") parser_profile.set_defaults(action="profile") parser_profile.add_argument("profiles", metavar="profile", type=str, nargs="*", help="profile name") parser_profile_info = subparsers.add_parser("profile_info", help="show information/description of given profile or current profile if no profile is specified") parser_profile_info.set_defaults(action="profile_info") parser_profile_info.add_argument("profile", metavar="profile", type=str, nargs="?", default="", help="profile name, current profile if not specified") if config.get(consts.CFG_RECOMMEND_COMMAND, consts.CFG_DEF_RECOMMEND_COMMAND): parser_off = subparsers.add_parser("recommend", help="recommend profile") parser_off.set_defaults(action="recommend_profile") parser_verify = subparsers.add_parser("verify", help="verify profile") parser_verify.set_defaults(action="verify_profile") parser_verify.add_argument("--ignore-missing", "-i", action="store_true", help="do not treat missing/non-supported tunings as errors") parser_auto_profile = subparsers.add_parser("auto_profile", help="enable automatic profile selection mode, switch to the recommended profile") parser_auto_profile.set_defaults(action="auto_profile") parser_profile_mode = subparsers.add_parser("profile_mode", help="show current profile selection mode") parser_profile_mode.set_defaults(action="profile_mode") parser_instance_acquire_devices = subparsers.add_parser("instance_acquire_devices", help="acquire devices from other instances and assign them to the given instance") parser_instance_acquire_devices.set_defaults(action="instance_acquire_devices") parser_instance_acquire_devices.add_argument("devices", metavar="devices", type=str, help="comma-separated list of device names; may use the cpulist syntax if prefixed with 'cpulist:'") parser_instance_acquire_devices.add_argument("instance", metavar="instance", type=str, help="name of the plugin instance which should acquire the devices") parser_get_instances = subparsers.add_parser("get_instances", help="list active instances of a given plugin or all active instances if no plugin is specified") parser_get_instances.set_defaults(action="get_instances") parser_get_instances.add_argument("plugin_name", metavar="plugin_name", type=str, nargs="?", default="", help="name of the plugin to restrict the list of instances to") parser_instance_get_devices = subparsers.add_parser("instance_get_devices", help="list devices assigned to a given instance") parser_instance_get_devices.set_defaults(action="instance_get_devices") parser_instance_get_devices.add_argument("instance", metavar="instance", type=str, help="name of the plugin instance") args = parser.parse_args(sys.argv[1:]) options = vars(args) debug = options.pop("debug") asynco = options.pop("async") timeout = options.pop("timeout") try: action_name = options.pop("action") except KeyError: parser.print_usage(file = sys.stderr) sys.exit(1) log_level = options.pop("loglevel") result = False profile_dirs = config.get_list(consts.CFG_PROFILE_DIRS, consts.CFG_DEF_PROFILE_DIRS) daemon = config.get_bool(consts.CFG_DAEMON, consts.CFG_DEF_DAEMON) dbus = daemon and config.get_bool(consts.CFG_ENABLE_DBUS, consts.CFG_DEF_ENABLE_DBUS) try: admin = tuned.admin.Admin(profile_dirs, dbus, debug, asynco, timeout, log_level) result = admin.action(action_name, **options) except: traceback.print_exc() sys.exit(3) if result == False: sys.exit(1) else: sys.exit(0)
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