C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # 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 Library 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 St, Fifth Floor, Boston, MA 02110-1301 USA # # See the COPYING file for license information. # # Copyright (c) 2007 Guillaume Chazarain import ctypes import fnmatch import os import platform # From http://git.kernel.org/?p=utils/util-linux-ng/util-linux-ng.git;a=blob; # f=configure.ac;h=770eb45ae85d32757fc3cff1d70a7808a627f9f7;hb=HEAD#l354 # i386 bit userspace under an x86_64 kernel will have its uname() appear as # 'x86_64' but it will use the i386 syscall number, that's why we consider both # the architecture name and the word size. IOPRIO_GET_ARCH_SYSCALL = [ ('aarch64', '*', 31), ('alpha', '*', 443), ('arm*', '*', 315), ('i*86', '*', 290), ('ia64*', '*', 1275), ('parisc*', '*', 268), ('ppc*', '*', 274), ('s390*', '*', 283), ('sparc*', '*', 218), ('sh*', '*', 289), ('x86_64*', '32bit', 290), ('x86_64*', '64bit', 252), ] IOPRIO_SET_ARCH_SYSCALL = [ ('aarch64', '*', 30), ('alpha', '*', 442), ('arm*', '*', 314), ('i*86', '*', 289), ('ia64*', '*', 1274), ('parisc*', '*', 267), ('ppc*', '*', 273), ('s390*', '*', 282), ('sparc*', '*', 196), ('sh*', '*', 288), ('x86_64*', '32bit', 289), ('x86_64*', '64bit', 251), ] def find_ioprio_syscall_number(syscall_list): arch = os.uname()[4] bits = platform.architecture()[0] for candidate_arch, candidate_bits, syscall_nr in syscall_list: if fnmatch.fnmatch(arch, candidate_arch) and \ fnmatch.fnmatch(bits, candidate_bits): return syscall_nr class IoprioSetError(Exception): def __init__(self, err): try: self.err = os.strerror(err) except TypeError: self.err = err __NR_ioprio_get = find_ioprio_syscall_number(IOPRIO_GET_ARCH_SYSCALL) __NR_ioprio_set = find_ioprio_syscall_number(IOPRIO_SET_ARCH_SYSCALL) try: ctypes_handle = ctypes.CDLL(None, use_errno=True) except TypeError: ctypes_handle = ctypes.CDLL(None) syscall = ctypes_handle.syscall PRIORITY_CLASSES = [None, 'rt', 'be', 'idle'] IOPRIO_WHO_PROCESS = 1 IOPRIO_CLASS_SHIFT = 13 IOPRIO_PRIO_MASK = (1 << IOPRIO_CLASS_SHIFT) - 1 def ioprio_value(ioprio_class, ioprio_data): try: ioprio_class = PRIORITY_CLASSES.index(ioprio_class) except ValueError: ioprio_class = PRIORITY_CLASSES.index(None) return (ioprio_class << IOPRIO_CLASS_SHIFT) | ioprio_data def ioprio_class(ioprio): return PRIORITY_CLASSES[ioprio >> IOPRIO_CLASS_SHIFT] def ioprio_data(ioprio): return ioprio & IOPRIO_PRIO_MASK sched_getscheduler = ctypes_handle.sched_getscheduler SCHED_OTHER, SCHED_FIFO, SCHED_RR, SCHED_BATCH, SCHED_ISO, SCHED_IDLE = range(6) getpriority = ctypes_handle.getpriority PRIO_PROCESS = 0 def get_ioprio_from_sched(pid): scheduler = sched_getscheduler(pid) nice = getpriority(PRIO_PROCESS, pid) ioprio_nice = (nice + 20) / 5 if scheduler in (SCHED_FIFO, SCHED_RR): return 'rt/%d' % ioprio_n