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import os
import os.path
import unittest
from shutil import rmtree
from tempfile import mkdtemp
import time
import otf2
TIMER_GRANULARITY = 1000000
def t():
return int(round(time.time() * TIMER_GRANULARITY))
class TestOTF2Program(unittest.TestCase):
def setUp(self):
self.old_cwd = os.getcwd()
self.tmp_dirname = mkdtemp(prefix=os.path.basename(os.path.abspath(__file__))[:-3] + '_tmp', dir=self.old_cwd)
self.orig_trace = os.path.join(self.tmp_dirname, "orig")
self.retrace = os.path.join(self.tmp_dirname, "retrc")
os.mkdir(self.orig_trace)
os.mkdir(self.retrace)
os.chdir(self.tmp_dirname)
def tearDown(self):
os.chdir(self.old_cwd)
if os.getenv('KEEP_TEST_OUTPUT', '') != '':
print(self.tmp_dirname)
else:
rmtree(self.tmp_dirname)
def generate_trace(self, archive_name):
with otf2.writer.open(archive_name, timer_resolution=TIMER_GRANULARITY) as trace:
system_tree_node = trace.definitions.system_tree_node("Root", parent=None)
location_group = trace.definitions.location_group("Process",
system_tree_parent=system_tree_node)
region = trace.definitions.region("main")
parameter_str = trace.definitions.parameter("Foo")
parameter_uint64 = trace.definitions.parameter("Bar", otf2.ParameterType.UINT64)
callpath = trace.definitions.callpath(None, region)
trace.definitions.callpath_parameter(callpath, parameter_str, otf2.Type.UINT64, 42)
self.assertEqual(callpath["Foo"], 42)
writer = trace.event_writer("thread", group=location_group)
writer.enter(t(), region)
writer.parameter_unsigned_int(t(), parameter_uint64, 42)
writer.parameter_string(t(), parameter_str, "Hello!")
try:
writer.parameter_string(t(), parameter_uint64, 23)
self.fail('writing uint64 parameter with string parameter event')
except TypeError:
pass
try:
writer.parameter_unsigned_int(t(), parameter_uint64, "not an integral")
self.fail('writing string parameter value with uint64 parameter')
except TypeError:
pass
try:
writer.parameter_unsigned_int(t(), parameter_uint64, -100)
self.fail('writing negative parameter value with uint64 parameter')
except TypeError:
pass
writer.leave(t(), region)
def read_trace(self, archive_name):
with otf2.reader.open(archive_name) as trace:
callpath = next(cp for cp in trace.definitions.callpaths)
self.assertEqual(callpath["Foo"], 42)
def rewrite_trace(self, old_anchor_path, new_archive_path):
with otf2.reader.open(old_anchor_path) as trace_reader:
with otf2.writer.open(new_archive_path,
definitions=trace_reader.definitions) as write_trace:
for location, event in trace_reader.events:
writer = write_trace.event_writer_from_location(location)
writer(event)
def test_rewrite(self):
self.generate_trace(self.orig_trace)
self.rewrite_trace(os.path.join(self.orig_trace, "traces.otf2"), self.retrace)
self.read_trace(os.path.join(self.retrace, "traces.otf2"))
if __name__ == '__main__':
unittest.main()
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