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Diffstat (limited to 'tuningplugins/net.py')
| -rw-r--r-- | tuningplugins/net.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tuningplugins/net.py b/tuningplugins/net.py new file mode 100644 index 0000000..8ac2db1 --- /dev/null +++ b/tuningplugins/net.py @@ -0,0 +1,48 @@ +# 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() |