78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
# Copyright (C) 2008, 2009 Red Hat, Inc.
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# Authors: Phil Knirsch
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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import os, copy
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import logging, tuned_logging
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from tuned_nettool import ethcard
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log = logging.getLogger("tuned.nettuning")
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class NetTuning:
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config_section = "NetTuning"
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def __init__(self):
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self.devidle = {}
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self.enabled = True
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def _updateIdle(self, dev, devload):
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idle = self.devidle.setdefault(dev, {})
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idle.setdefault("LEVEL", 0)
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for type in ("READ", "WRITE"):
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if devload[type] <= 0.05:
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idle.setdefault(type, 0)
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idle[type] += 1
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else:
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idle.setdefault(type, 0)
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idle[type] = 0
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def init(self, config):
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log.debug("Init")
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self.config = config
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if self.config.has_option(self.config_section, "enabled"):
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self.enabled = (self.config.get(self.config_section, "enabled") == "True")
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log.info("Module is %s" % ("enabled" if self.enabled else "disabled"))
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def cleanup(self):
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log.debug("Cleanup")
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for dev in self.devidle.keys():
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if self.enabled and self.devidle[dev]["LEVEL"] > 0:
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ethcard(dev).set_max_speed()
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def setTuning(self, load):
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if not self.enabled:
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return
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ethcards = load.setdefault("NET", {})
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for dev in ethcards.keys():
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devload = ethcards[dev]
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self._updateIdle(dev, devload)
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if self.devidle[dev]["LEVEL"] == 0 and self.devidle[dev]["READ"] >= 6 and self.devidle[dev]["WRITE"] >= 6:
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self.devidle[dev]["LEVEL"] = 1
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log.debug("%s: setting 100Mbps" % dev)
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ethcard(dev).set_speed(100)
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if self.devidle[dev]["LEVEL"] > 0 and (self.devidle[dev]["READ"] == 0 or self.devidle[dev]["WRITE"] == 0):
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self.devidle[dev]["LEVEL"] = 0
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log.debug("%s: setting maximal speed" % dev)
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ethcard(dev).set_max_speed()
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_plugin = NetTuning()
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