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#
# Copyright 2009 - 2012 Clark Williams <williams@redhat.com>
# Copyright 2012 David Sommerseth <davids@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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# For the avoidance of doubt the "preferred form" of this code is one which
# is in an open unpatent encumbered format. Where cryptographic key signing
# forms part of the process of creating an executable the information
# including keys needed to generate an equivalently functional executable
# are deemed to be part of the source code.
#
import os
import time
import threading
import libxml2
from rteval.Log import Log
from rteval.rtevalConfig import rtevalCfgSection
from rteval.modules import RtEvalModules, rtevalModulePrototype
class LoadThread(rtevalModulePrototype):
def __init__(self, name, config, logger=None):
if name is None or not isinstance(name, str):
raise TypeError("name attribute is not a string")
if config and not isinstance(config, rtevalCfgSection):
raise TypeError("config attribute is not a rtevalCfgSection() object")
if logger and not isinstance(logger, Log):
raise TypeError("logger attribute is not a Log() object")
rtevalModulePrototype.__init__(self, "load", name, logger)
self.builddir = config.setdefault('builddir', os.path.abspath("../build")) # abs path to top dir
self.srcdir = config.setdefault('srcdir', os.path.abspath("../loadsource")) # abs path to src dir
self.num_cpus = config.setdefault('numcores', 1)
self.source = config.setdefault('source', None)
self.reportdir = config.setdefault('reportdir', os.getcwd())
self.memsize = config.setdefault('memsize', (0, 'GB'))
self._logging = config.setdefault('logging', True)
self._cfg = config
self.mydir = None
self.jobs = 0
self.args = None
if not os.path.exists(self.builddir):
os.makedirs(self.builddir)
def open_logfile(self, name):
return os.open(os.path.join(self.reportdir, "logs", name), os.O_CREAT|os.O_WRONLY)
class CommandLineLoad(LoadThread):
def __init__(self, name, config, logger):
LoadThread.__init__(self, name, config, logger)
def MakeReport(self):
if not (self.jobs and self.args) or self._donotrun:
return None
rep_n = libxml2.newNode("command_line")
rep_n.newProp("name", self._name)
if self.jobs:
rep_n.newProp("job_instances", str(self.jobs))
if self.args:
rep_n.addContent(" ".join(self.args))
return rep_n
class LoadModules(RtEvalModules):
"""Module container for LoadThread based modules"""
def __init__(self, config, logger):
self._module_type = "load"
self._module_config = "loads"
self._report_tag = "loads"
self.__loadavg_accum = 0.0
self.__loadavg_samples = 0
RtEvalModules.__init__(self, config, "modules.loads", logger)
self.__LoadModules(self._cfg.GetSection(self._module_config))
def __LoadModules(self, modcfg):
"Loads and imports all the configured modules"
for m in modcfg:
# hope to eventually have different kinds but module is only on
# for now (jcw)
if m[1].lower() == 'module':
self._LoadModule(m[0])
def Setup(self, modparams):
if not isinstance(modparams, dict):
raise TypeError("modparams attribute is not of a dictionary type")
modcfg = self._cfg.GetSection(self._module_config)
for m in modcfg:
# hope to eventually have different kinds but module is only on
# for now (jcw)
if m[1].lower() == 'module':
self._cfg.AppendConfig(m[0], modparams)
modobj = self._InstantiateModule(m[0], self._cfg.GetSection(m[0]))
self._RegisterModuleObject(m[0], modobj)
def MakeReport(self):
rep_n = RtEvalModules.MakeReport(self)
rep_n.newProp("load_average", str(self.GetLoadAvg()))
return rep_n
def SaveLoadAvg(self):
# open the loadavg /proc entry
p = open("/proc/loadavg")
load = float(p.readline().split()[0])
p.close()
self.__loadavg_accum += load
self.__loadavg_samples += 1
def GetLoadAvg(self):
if self.__loadavg_samples == 0:
self.SaveLoadAvg()
return float(self.__loadavg_accum / self.__loadavg_samples)
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