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# Copyright (C) 2008, 2009 Red Hat, Inc.
# Authors: Phil Knirsch
#
# 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.
#
import os, copy
class NetTuning:
def __init__(self):
self.devidle = {}
def __updateIdle__(self, dev, devload):
for type in ("READ", "WRITE"):
if devload[type] <= 0.005:
idle = self.devidle.setdefault(dev, {})
idle.setdefault(type, 0)
idle[type] += 1
else:
idle = self.devidle.setdefault(dev, {})
idle.setdefault(type, 0)
idle[type] = 0
def setTuning(self, load):
disks = load.setdefault("NET", {})
oldidle = copy.deepcopy(self.devidle)
for dev in disks.keys():
devload = disks[dev]
self.__updateIdle__(dev, devload)
if self.devidle[dev]["READ"] == 6 or self.devidle[dev]["WRITE"] == 6:
os.system("ethtool -s "+dev+" advertise 0x003")
if oldidle.has_key(dev) and oldidle[dev]["READ"] > 6 and oldidle[dev]["WRITE"] > 6 and (self.devidle[dev]["READ"] == 0 or self.devidle[dev]["WRITE"] == 0):
os.system("ethtool -s "+dev+" advertise 0x03F")
print(load, self.devidle)
_plugin = NetTuning()
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