ca55260619
getting a SIGTERM to restore default values - Made the disk tuning pluging less nosy if started as non-daemon - Fixed missing self. in the tuned.py config handling
56 lines
1.9 KiB
Python
56 lines
1.9 KiB
Python
# 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 DiskTuning:
|
|
def __init__(self):
|
|
self.devidle = {}
|
|
|
|
def __updateIdle__(self, dev, devload):
|
|
idle = self.devidle.setdefault(dev, {})
|
|
idle.setdefault("LEVEL", 0)
|
|
for type in ("READ", "WRITE"):
|
|
if devload[type] == 0.0:
|
|
idle.setdefault(type, 0)
|
|
idle[type] += 1
|
|
else:
|
|
idle.setdefault(type, 0)
|
|
idle[type] = 0
|
|
|
|
def init(self, config):
|
|
self.config = config
|
|
|
|
def cleanup(self):
|
|
for dev in self.devidle.keys():
|
|
os.system("hdparm -S0 -B255 /dev/"+dev+" > /dev/null 2>&1")
|
|
|
|
def setTuning(self, load):
|
|
disks = load.setdefault("DISK", {})
|
|
for dev in disks.keys():
|
|
devload = disks[dev]
|
|
self.__updateIdle__(dev, devload)
|
|
if self.devidle[dev]["LEVEL"] == 0 and self.devidle[dev]["READ"] >= 30 and self.devidle[dev]["WRITE"] >= 30:
|
|
self.devidle[dev]["LEVEL"] = 1
|
|
os.system("hdparm -Y -S60 -B1 /dev/"+dev+" > /dev/null 2>&1")
|
|
if self.devidle[dev]["LEVEL"] > 0 and (self.devidle[dev]["READ"] == 0 or self.devidle[dev]["WRITE"] == 0):
|
|
self.devidle[dev]["LEVEL"] = 0
|
|
os.system("hdparm -S255 -B127 /dev/"+dev+" > /dev/null 2>&1")
|
|
print(load, self.devidle)
|
|
|
|
_plugin = DiskTuning()
|