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#!/usr/bin/env python
from __future__ import print_function
import config.config as conf
import experiment.litmus_util as lu
import os
import re
from collections import defaultdict
from optparse import OptionParser
from experiment.executable.executable import Executable
from experiment.experiment import Experiment
from experiment.proc_entry import ProcEntry
def parse_args():
parser = OptionParser();
parser.add_option('-s', '--scheduler', dest='scheduler',
help='scheduler for all experiments')
parser.add_option('-d', '--duration', dest='duration', type='int',
help='duration (seconds) of tasks')
parser.add_option('-o', '--out-dir', dest='out_dir',
help='directory for data output', default=os.getcwd())
parser.add_option('-p', '--params', dest='param_file',
help='file with experiment parameters')
parser.add_option('-f', '--schedule-file', dest='sched_file',
help='name of schedule files',
default=conf.DEFAULTS['sched_file'])
return parser.parse_args()
def convert_data(data):
"""Convert a non-python schedule file into the python format"""
regex = re.compile(
r"(?P<PROC>^"
r"(?P<HEADER>/proc/\w+?/)?"
r"(?P<ENTRY>[\w\/]+)"
r"\s*{\s*(?P<CONTENT>.*?)\s*?}$)|"
r"(?P<SPIN>^(?P<TYPE>\w+?spin)?\s*?"
r"(?P<ARGS>\w[\s\w]*?)?\s*?$)",
re.S|re.I|re.M)
procs = []
spins = []
for match in regex.finditer(data):
if match.group("PROC"):
header = match.group("HEADER") or "/proc/litmus/"
loc = "{}{}".format(header, match.group("ENTRY"))
proc = (loc, match.group("CONTENT"))
procs.append(proc)
else:
prog = match.group("TYPE") or "rtspin"
spin = (prog, match.group("ARGS"))
spins.append(spin)
return {'proc' : procs, 'spin' : spins}
def get_dirs(sched_file, out_base_dir):
sched_leaf_dir = re.findall(r".*/([\w_-]+)/.*?$", sched_file)[0]
sched_full_dir = os.path.split(sched_file)[0]
work_dir = "%s/tmp" % sched_full_dir
if sched_full_dir == out_base_dir:
out_dir = "%s/data" % sched_full_dir
else:
# Put it under the base output dir with the same directory name
out_dir = "%s/%s" % (out_base_dir, sched_leaf_dir)
return (work_dir, out_dir)
def load_experiment(sched_file, scheduler, duration, param_file, out_base):
if not os.path.isfile(sched_file):
raise IOError("Cannot find schedule file: %s" % sched_file)
dirname = os.path.split(sched_file)[0]
if not scheduler or not duration:
param_file = param_file or \
"%s/%s" % (dirname, conf.DEFAULTS['params_file'])
if os.path.isfile(param_file):
params = load_params(param_file)
scheduler = scheduler or params[conf.PARAMS['sched']]
duration = duration or params[conf.PARAMS['dur']]
duration = duration or conf.DEFAULTS['duration']
if not scheduler:
raise IOError("Parameter scheduler not specified")
schedule = load_schedule(sched_file)
(work_dir, out_dir) = get_dirs(sched_file, out_base)
run_exp(sched_file, schedule, scheduler, duration, work_dir, out_dir)
def load_params(fname):
params = defaultdict(int)
with open(fname, 'r') as f:
data = f.read()
try:
parsed = eval(data)
for k in parsed:
params[k] = parsed[k]
except Exception as e:
raise IOError("Invalid param file: %s\n%s" % (fname, e))
return params
def load_schedule(fname):
with open(fname, 'r') as f:
data = f.read().strip()
try:
schedule = eval(data)
except:
schedule = convert_data(data)
return schedule
def run_exp(name, schedule, scheduler, duration, work_dir, out_dir):
proc_entries = []
executables = []
# Parse values for proc entries
for entry_conf in schedule['proc']:
path = entry_conf[0]
data = entry_conf[1]
if not os.path.exists(path):
raise IOError("Invalid proc path %s: %s" % (path, name))
proc_entries += [ProcEntry(path, data)]
# Parse spinners
for spin_conf in schedule['spin']:
if isinstance(spin_conf, str):
# Just a string defaults to default spin
(spin, args) = (conf.DEFAULTS['spin'], spin_conf)
else:
# Otherwise its a pair, the type and the args
if len(spin_conf) != 2:
raise IOError("Invalid spin conf %s: %s" % (spin_conf, name))
(spin, args) = (spin_conf[0], spin_conf[1])
if not conf.BINS[spin]:
raise IndexError("No knowledge of program %s: %s" % (spin, name))
real_spin = conf.BINS[spin]
real_args = ['-w'] + args.split() + [duration]
if not lu.is_executable(real_spin):
raise OSError("Cannot run spin %s: %s" % (real_spin, name))
executables += [Executable(real_spin, real_args)]
exp = Experiment(name, scheduler, work_dir, out_dir,
proc_entries, executables)
exp.run_exp()
def main():
opts, args = parse_args()
scheduler = opts.scheduler
duration = opts.duration
param_file = opts.param_file
out_base = os.path.abspath(opts.out_dir)
args = args or [opts.sched_file]
for exp in args:
path = "%s/%s" % (os.getcwd(), exp)
if not os.path.exists(path):
raise IOError("Invalid experiment: %s" % path)
if os.path.isdir(exp):
path = "%s%s" % (path, opts.sched_file)
load_experiment(path, scheduler, duration, param_file, out_base)
if __name__ == '__main__':
main()
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