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# Copyright (C) 2009 Red Hat, Inc., Joey Boggs <jboggs@redhat.com>
# 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
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