def gen_cfg(filename=None):
if filename is None:
curdir = os.path.dirname(__file__)
filename = os.path.join(curdir, 'c_files', 'test.c')
graph = cfg.CFG(filename)
graph.make_cfg()
graph.show()
def gen_cfg(filename=None):
if filename is None:
curdir = os.path.dirname(os.path.abspath(__file__))
filename = os.path.join(curdir, 'c_files', 'test.c')
graph = cfg.CFG(filename)
graph.make_cfg()
# a new C file is generated at the same path of the given on, and it is
# appending to its name "_dvfs" string
cdvfs = cfg_cdvfs_generator.CFG_CDVFS()
cdvfs.gen(graph)
def run_cfg(filename):
# create CFG
graph = cfg.CFG(filename)
graph.make_cfg()
#cfg.show()
# create graphml
graphml = cfg2graphml.CFG2Graphml()
graphml.make_graphml(graph, file_name='', yed_output=True)
# generate DVFS-aware code
cdvfs = cfg_cdvfs_generator.CFG_CDVFS()
def gen_cfg(filename=None):
if filename is None:
curdir = os.path.dirname(__file__)
filename = os.path.join(curdir, 'c_files', 'test.c')
graph = cfg.CFG(filename)
graph.make_cfg()
graph.show()
# set file_name as empty to write graphml in stdout
# set yed_output as true to write graphical information
cfg2graph = cfg2graphml.CFG2Graphml()
cfg2graph.make_graphml(graph, file_name='', yed_output=True)
def _set_simulation_config(self, simManager):
""" Get task and environment information of a configuration file.
Args:
simManager (SimManager): simulation manager object
config_file_name (string): configuration file name
Returns:
(float) task's WCEC
(float) task's deadline
(float) initial frequency to be used
(dic) freqs_volt: dictionary where key is the frequency and
supply voltage to use the given frequency is the value
"""
freqs = []
volts = []
freqs_volt = {}
config_file = self._find_file('sim_preemp.config')
with open(config_file, 'rU') as f:
lines = f.readlines()
try:
for freq in lines[0].split():
freqs.append(float(freq))
for volt in lines[1].split():
volts.append(float(volt))
for i in range(0, len(freqs)):
freqs_volt[freqs[i]] = volts[i]
for task in lines[2:]:
data = task.split()
wcec = float(data[1])
deadline = float(data[2])
period = float(data[3])
jitter = float(data[4])
init_freq = float(data[5])
cfile = data[0]
cfile = self._find_file(cfile)
graph = cfg.CFG(cfile)
graph.make_cfg()
simManager.add_task_sim(graph, wcec, deadline, period,
jitter, init_freq, freqs_volt,
0.15)
except ValueError, IndexError:
print 'Invalid data in config file'
sys.exit(1)
def _init_data(self):
""" Initialize simulation data such as: graph, task's information, path
finding and simulation objects.
"""
# create CFG
cfile = self._find_file('foo.c')
self._graph = cfg.CFG(cfile)
self._graph.make_cfg()
# get and initialize data for simulation
wcec, deadline, period, jit, init_freq, freqs_volt = \
self._read_config_file()
self._cfgpaths = cfg_paths.CFGPaths()
self._simulate = sim.SimDVFS(
wcec, 0, deadline, period, jit,
init_freq, freqs_volt)
def run_cfg(filename):
# create CFG
graph = cfg.CFG(filename)
ast = graph.make_cfg()
DG = graph.get_DG()
#cfg.show()
# create graphml
graphml = cfg2graphml.CFG2Graphml()
#graphml.add_boundaries(graph, file_name='', yed_output=True, 1)
graphml.make_graphml(graph, 2, file_name='', yed_output=True)
# generate DVFS-aware code
cdvfs = cfg_cdvfs_generator.CFG_CDVFS()
#cdvfs.gen(graph)
#CHANGED. Added a print for the results.
generator = c_generator.CGenerator()
print(generator.visit(ast))
return (cfg, ast, DG)
def test_while_graphml(self):
test_name = self.test_while.__name__
c_test_file = self._find_file(test_name + '.c')
result_ok = self._find_file(test_name + '.graphml')
result_check = self._find_file(test_name + '_check.graphml')
graph = cfg.CFG(c_test_file)
graph.make_cfg()
cfg2graph = cfg2graphml.CFG2Graphml()
cfg2graph.make_graphml(graph, result_check, True)
test_assert = False
with open(result_check, 'rU') as check_file,\
open(result_ok, 'rU') as ok_file:
check = check_file.read()
ok = ok_file.read()
test_assert = (check == ok)
self.assertTrue(test_assert)
os.remove(result_check)
def test_while(self):
test_name = self.test_while.__name__
c_test_file = self._find_file(test_name + '.c')
result_ok = self._find_file(test_name + '.cfg')
result_check = self._find_file(test_name + '_check.cfg')
graph = cfg.CFG(c_test_file)
graph.make_cfg()
with open(result_check, 'w') as f:
graph.show(buf=f)
test_assert = False
with open(result_check, 'rU') as check_file,\
open(result_ok, 'rU') as ok_file:
check = check_file.read()
ok = ok_file.read()
test_assert = (check == ok)
self.assertTrue(test_assert)
os.remove(result_check)
def test_dvfs_generator(self):
test_name = self.test_dvfs_generator.__name__
c_test_file = self._find_file(test_name + '.c')
result_ok = self._find_file(test_name + '_ok_dvfs.c')
result_check = self._find_file(test_name + '_check.c')
graph = cfg.CFG(c_test_file)
graph.make_cfg()
cdvfs = cfg_cdvfs_generator.CFG_CDVFS()
cdvfs.gen(graph, result_check)
test_assert = False
# '_dvfs' string is always appending to new file name
result_check = self._find_file(test_name + '_check_dvfs.c')
with open(result_check, 'rU') as check_file,\
open(result_ok, 'rU') as ok_file:
check = check_file.read()
ok = ok_file.read()
test_assert = (check == ok)
self.assertTrue(test_assert)
os.remove(result_check)
