gem5/util/pbs/job.py

184 lines
5.5 KiB
Python
Raw Normal View History

#!/usr/bin/env python
# Copyright (c) 2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Nathan Binkert
# Steve Reinhardt
# Ali Saidi
import os, os.path, shutil, signal, socket, sys, time
from os import environ as env
from os.path import join as joinpath, expanduser
class rsync:
def __init__(self):
self.sudo = False
self.rsync = 'rsync'
self.compress = False
self.archive = True
self.delete = False
self.options = ''
def do(self, src, dst):
args = []
if self.sudo:
args.append('sudo')
args.append(self.rsync)
if (self.archive):
args.append('-a')
if (self.compress):
args.append('-z')
if (self.delete):
args.append('--delete')
if len(self.options):
args.append(self.options)
args.append(src)
args.append(dst)
return os.spawnvp(os.P_WAIT, args[0], args)
def cleandir(dir):
for root, dirs, files in os.walk(dir, False):
for name in files:
os.remove(joinpath(root, name))
for name in dirs:
os.rmdir(joinpath(root, name))
def date():
return time.strftime('%a %b %e %H:%M:%S %Z %Y', time.localtime())
def remfile(file):
if os.path.isfile(file):
os.unlink(file)
def readval(filename):
file = open(filename, 'r')
value = file.readline().strip()
file.close()
return value
if __name__ == '__main__':
rootdir = env.setdefault('ROOTDIR', os.getcwd())
jobid = env['PBS_JOBID']
jobname = env['PBS_JOBNAME']
jobdir = joinpath(rootdir, jobname)
basedir = joinpath(rootdir, 'Base')
user = env['USER']
env['POOLJOB'] = 'True'
env['OUTPUT_DIR'] = jobdir
env['JOBFILE'] = joinpath(basedir, 'test.py')
env['JOBNAME'] = jobname
def echofile(filename, string):
try:
f = file(joinpath(jobdir, filename), 'w')
print >>f, string
f.flush()
f.close()
except IOError,e:
sys.exit(e)
if os.path.isdir("/work"):
workbase = "/work"
else:
workbase = "/tmp/"
workdir = joinpath(workbase, '%s.%s' % (user, jobid))
os.umask(0022)
echofile('.start', date())
echofile('.jobid', jobid)
echofile('.host', socket.gethostname())
if os.path.isdir(workdir):
cleandir(workdir)
else:
os.mkdir(workdir)
if os.path.isdir('/z/dist'):
sync = rsync()
sync.delete = True
sync.sudo = True
sync.do('poolfs::dist/m5/', '/z/dist/m5/')
try:
os.chdir(workdir)
except OSError,e:
sys.exit(e)
os.symlink(joinpath(jobdir, 'output'), 'status.out')
args = [ joinpath(basedir, 'm5'), '-d', '%s' % jobdir, joinpath(basedir, 'run.mpy') ]
if not len(args):
sys.exit("no arguments")
print 'starting job... %s' % date()
print ' '.join(args)
print
sys.stdout.flush()
childpid = os.fork()
if not childpid:
# Execute command
sys.stdin.close()
fd = os.open(joinpath(jobdir, "output"),
os.O_WRONLY | os.O_CREAT | os.O_TRUNC)
os.dup2(fd, sys.stdout.fileno())
os.dup2(fd, sys.stderr.fileno())
os.execvp(args[0], args)
def handler(signum, frame):
if childpid != 0:
os.kill(childpid, signum)
signal.signal(signal.SIGHUP, handler)
signal.signal(signal.SIGINT, handler)
signal.signal(signal.SIGQUIT, handler)
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGSTOP, handler)
signal.signal(signal.SIGCONT, handler)
signal.signal(signal.SIGUSR1, handler)
signal.signal(signal.SIGUSR2, handler)
done = 0
while not done:
try:
thepid,ec = os.waitpid(childpid, 0)
if ec:
print 'Exit code ', ec
echofile('.failure', date())
else:
echofile('.success', date())
done = 1
except OSError:
pass
print '\njob complete... %s' % date()
echofile('.stop', date())