Edit file File name : tuned Content :#!/usr/bin/python2 -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 os import sys import traceback import tuned.logs import tuned.daemon import tuned.exceptions import tuned.consts as consts import tuned.version as ver from tuned.utils.global_config import GlobalConfig def error(message): print(message, file=sys.stderr) if __name__ == "__main__": parser = argparse.ArgumentParser(description = "Daemon for monitoring and adaptive tuning of system devices.") parser.add_argument("--daemon", "-d", action = "store_true", help = "run on background") parser.add_argument("--debug", "-D", action = "store_true", help = "show/log debugging messages") parser.add_argument("--log", "-l", nargs = "?", const = consts.LOG_FILE, help = "log to file, default file: " + consts.LOG_FILE) parser.add_argument("--pid", "-P", nargs = "?", const = consts.PID_FILE, help = "write PID file, default file: " + consts.PID_FILE) parser.add_argument("--no-dbus", action = "store_true", help = "do not attach to DBus") parser.add_argument("--profile", "-p", action = "store", type=str, metavar = "name", help = "tuning profile to be activated") 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)) args = parser.parse_args(sys.argv[1:]) if os.geteuid() != 0: error("Superuser permissions are required to run the daemon.") sys.exit(1) config = GlobalConfig() log = tuned.logs.get() if args.debug: log.setLevel("DEBUG") try: maxBytes = config.get_size("log_file_max_size", consts.LOG_FILE_MAXBYTES) backupCount = config.get("log_file_count", consts.LOG_FILE_COUNT) if args.daemon: if args.log is None: args.log = consts.LOG_FILE log.switch_to_file(args.log, maxBytes, backupCount) else: if args.log is not None: log.switch_to_file(args.log, maxBytes, backupCount) app = tuned.daemon.Application(args.profile, config) # no daemon mode doesn't need DBus if not config.get_bool(consts.CFG_DAEMON, consts.CFG_DEF_DAEMON): args.no_dbus = True if not args.no_dbus: app.attach_to_dbus(consts.DBUS_BUS, consts.DBUS_OBJECT, consts.DBUS_INTERFACE) # always write PID file if args.pid is None: args.pid = consts.PID_FILE if args.daemon: app.daemonize(args.pid) else: app.write_pid_file(args.pid) app.run(args.daemon) except tuned.exceptions.TunedException as exception: if (args.debug): traceback.print_exc() else: error(str(exception)) sys.exit(1) Save