# Copyright (C) 2009 Red Hat, Inc., Joey Boggs # 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., 675 Mass Ave, Cambridge, MA 02139, USA. from sos.plugins import Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin import os class Kvm(Plugin, RedHatPlugin, DebianPlugin, UbuntuPlugin): """Kernel virtual machine """ plugin_name = 'kvm' profiles = ('system', 'virt') debugfs_path = "/sys/kernel/debug" _debugfs_cleanup = False def check_enabled(self): return os.access("/sys/module/kvm", os.R_OK) def setup(self): self.add_copy_spec([ "/sys/module/kvm/srcversion", "/sys/module/kvm_intel/srcversion", "/sys/module/kvm_amd/srcversion", "/sys/module/ksm/srcversion" ]) if not os.path.ismount(self.debugfs_path): self._debugfs_cleanup = True r = self.call_ext_prog("mount -t debugfs debugfs %s" % self.debugfs_path) if r['status'] != 0: self._log_error("debugfs not mounted and mount attempt failed") self._debugfs_cleanup = False return self.add_cmd_output("kvm_stat --once") def postproc(self): if self._debugfs_cleanup and os.path.ismount(self.debugfs_path): self.call_ext_prog("umount %s" % self.debugfs_path) self._log_error("could not unmount %s" % self.debugfs_path) # vim: et ts=4 sw=4