def setUp(self):
# First, create an instance of the Testbed class.
self.testbed = TestbedWithFiles()
# Then activate the testbed, which prepares the service stubs for use.
self.testbed.activate()
# Next, declare which service stubs you want to use.
self.testbed.init_blobstore_stub(self.blobstore_dir)
self.parser = ParseGCLog()
self.csv_writer = BlobResultWriter()
class ParseGCLogTest(unittest.TestCase):
"""Test cases for writing parsed GC data to CSV files"""
path = os.path.dirname(os.path.abspath(__file__)) + "/"
result_file = path + "results.csv"
sample_file = path + "gc-sample.log"
def setUp(self):
self.parser = ParseGCLog()
self.csv_writer = FileResultWriter()
def tearDown(self):
if os.path.isfile(self.result_file):
os.remove(self.result_file)
def test_parse_file(self):
result = self.parser.parse_file(self.path + "gc-sample.log")
self.assertEqual(len(result), 7)
def test_generate_memory_csv(self):
expected_file = self.path + "expected_mem.csv"
result = self.parser.parse_file(self.sample_file)
graph.generate_graph(None,
graph.YG_GC_MEMORY,
result,
self.csv_writer,
False,
self.result_file)
self.assertTrue(filecmp.cmp(self.result_file, expected_file))
def test_generate_gc_reclaimed_csv(self):
expected_file = self.path + "expected_reclaimed.csv"
result = self.parser.parse_file(self.sample_file)
graph.generate_graph(None,
graph.MEMORY_RECLAIMED,
result,
self.csv_writer,
False,
self.result_file)
self.assertTrue(filecmp.cmp(self.result_file, expected_file))
def test_generate_gc_duration_csv(self):
expected_file = self.path + "expected_duration.csv"
result = self.parser.parse_file(self.sample_file)
graph.generate_graph(None,
graph.GC_DURATION,
result,
self.csv_writer,
False,
self.result_file)
self.assertTrue(filecmp.cmp(self.result_file, expected_file))
def setUp(self):
# First, create an instance of the Testbed class.
self.testbed = TestbedWithFiles()
# Then activate the testbed, which prepares the service stubs for use.
self.testbed.activate()
# Next, declare which service stubs you want to use.
self.testbed.init_blobstore_stub(self.blobstore_dir)
self.parser = ParseGCLog()
self.csv_writer = BlobResultWriter()
class ParseGCLogTest(unittest.TestCase):
"""Test cases for writing parsed GC data to CSV files"""
path = os.path.dirname(os.path.abspath(__file__)) + "/"
result_file = path + "results.csv"
sample_file = path + "gc-sample.log"
def setUp(self):
self.parser = ParseGCLog()
self.csv_writer = FileResultWriter()
def tearDown(self):
if os.path.isfile(self.result_file):
os.remove(self.result_file)
def test_parse_file(self):
result = self.parser.parse_file(self.path + "gc-sample.log")
self.assertEqual(len(result), 7)
def test_generate_memory_csv(self):
expected_file = self.path + "expected_mem.csv"
result = self.parser.parse_file(self.sample_file)
graph.generate_graph(None, graph.YG_GC_MEMORY, result, self.csv_writer,
False, self.result_file)
self.assertTrue(filecmp.cmp(self.result_file, expected_file))
def test_generate_gc_reclaimed_csv(self):
expected_file = self.path + "expected_reclaimed.csv"
result = self.parser.parse_file(self.sample_file)
graph.generate_graph(None, graph.MEMORY_RECLAIMED, result,
self.csv_writer, False, self.result_file)
self.assertTrue(filecmp.cmp(self.result_file, expected_file))
def test_generate_gc_duration_csv(self):
expected_file = self.path + "expected_duration.csv"
result = self.parser.parse_file(self.sample_file)
graph.generate_graph(None, graph.GC_DURATION, result, self.csv_writer,
False, self.result_file)
self.assertTrue(filecmp.cmp(self.result_file, expected_file))
def post(self):
user = users.get_current_user()
# We use app.yaml to configure overall authentication
if not validate_user(user.email()):
self.redirect(users.create_login_url(self.request.uri))
start = time.time()
#file = self.request.body_file
file = self.request.params["gclog"].file
log_key = LogData(
filename=self.request.POST["gclog"].filename,
notes=self.request.get("notes")).put()
parser = ParseGCLog()
gc_results = parser.parse_data(file)
if len(gc_results) > 0:
# Generate summary stats for results page
summary_stats = SummaryStats(gc_results).stats
# persist gc data - too slow at present with large datasets
gc_datastore.store_data(log_key, gc_results)
# persist all CSV data we generate to the store so we
# won't have to regenerate later
blob_writer = BlobResultWriter()
results_csv_key = graph.generate_cached_graph(log_key,
graph.RAW_CSV_DATA,
gc_results,
blob_writer)
yg_memory_blob_key = graph.generate_cached_graph(log_key,
graph.YG_GC_MEMORY,
gc_results,
blob_writer)
full_memory_blob_key = graph.generate_cached_graph(log_key,
graph.FULL_GC_MEMORY,
gc_results,
blob_writer)
gc_duration_blob_key = graph.generate_cached_graph(log_key,
graph.GC_DURATION,
gc_results,
blob_writer)
gc_reclaimed_blob_key = graph.generate_cached_graph(log_key,
graph.MEMORY_RECLAIMED,
gc_results,
blob_writer)
memory_util_post_blob_key = graph.generate_cached_graph(log_key,
graph.MEMORY_UTIL_POST,
gc_results,
blob_writer)
duration = time.time() - start
# Pass the key to our results, as the data will be obtained via a
template_values = {
'user': user,
'logout': users.create_logout_url("/"),
'duration': duration,
'name': '/uploads',
'results_key': str(results_csv_key),
'summary_stats': summary_stats,
'gc_results': gc_results,
'yg_memory_key': str(yg_memory_blob_key),
'full_memory_key': str(full_memory_blob_key),
'gc_duration_key': str(gc_duration_blob_key),
'gc_reclaimed_key': str(gc_reclaimed_blob_key),
'memory_util_post_key': str(memory_util_post_blob_key)
}
template = jinja_environment.get_template(
'static/templates/results.html')
else:
template_values = {
'user': user,
'logout': users.create_logout_url("/")
}
template = jinja_environment.get_template(
'static/templates/error.html')
self.response.out.write(template.render(template_values))
def setUp(self):
self.parser = ParseGCLog()
self.csv_writer = FileResultWriter()
class ParseGCBlobTest(unittest.TestCase):
path = os.path.dirname(os.path.abspath(__file__)) + "/"
blobstore_dir = path + "testbed.blobstore"
sample_file = path + "gc-sample.log"
def setUp(self):
# First, create an instance of the Testbed class.
self.testbed = TestbedWithFiles()
# Then activate the testbed, which prepares the service stubs for use.
self.testbed.activate()
# Next, declare which service stubs you want to use.
self.testbed.init_blobstore_stub(self.blobstore_dir)
self.parser = ParseGCLog()
self.csv_writer = BlobResultWriter()
def tearDown(self):
self.testbed.deactivate()
if os.path.isdir(self.blobstore_dir):
shutil.rmtree(self.blobstore_dir)
def _load_file_data(self, filename):
file = open(filename, 'r')
data = file.read()
file.close()
return data
def _load_blob_data(self, blob_key):
blob_info = blobstore.BlobInfo.get(blob_key)
blob_reader = blob_info.open()
data = blob_reader.read()
blob_reader.close()
return data
def test_generate_memory_csv(self):
expected_data = self._load_file_data(self.path + "expected_mem.csv")
gc_data = self.parser.parse_file(self.sample_file)
log_key = LogData(
filename="memory.tmp",
notes="notes").put()
blob_key = graph.generate_cached_graph(log_key,
graph.YG_GC_MEMORY,
gc_data,
self.csv_writer)
result_data = self._load_blob_data(blob_key)
self.assertEqual(result_data, expected_data)
def test_generate_gc_reclaimed_csv(self):
expected_data = self._load_file_data(self.path + "expected_reclaimed.csv")
gc_data = self.parser.parse_file(self.sample_file)
log_key = LogData(
filename="reclaimed.tmp",
notes="notes").put()
blob_key = graph.generate_cached_graph(log_key,
graph.MEMORY_RECLAIMED,
gc_data,
self.csv_writer)
result_data = self._load_blob_data(blob_key)
self.assertEqual(result_data, expected_data)
def test_generate_gc_duration_csv(self):
expected_data = self._load_file_data(self.path + "expected_duration.csv")
gc_data = self.parser.parse_file(self.sample_file)
log_key = LogData(
filename="duration.tmp",
notes="notes").put()
blob_key = graph.generate_cached_graph(log_key,
graph.GC_DURATION,
gc_data,
self.csv_writer)
result_data = self._load_blob_data(blob_key)
self.assertEqual(result_data, expected_data)
def test_gc_datastore(self):
"""Test storage & retrival of GC entries in datastore"""
yg_gc = parsegc.generate_yg_gc_entry(
"100.25",
"100.25",
"ParNew",
"3",
"2",
"8",
"0.12345",
"8192",
"5120",
"16384",
"3.12345",
"1.5",
"2.0",
"3.1")
full_gc = parsegc.generate_full_gc_entry(
"200.5",
"200.5",
"Tenured",
"20",
"10",
"40",
"0.23456",
"8192",
"5120",
"16384",
"200",
"100",
"400",
"3.1234",
"1.9",
"0.05",
"3.11")
# Items should be written to & returned from the store
# ordered by timestamp
gc_data = [yg_gc, full_gc]
log_key = LogData(
filename="test_gc_datastore.tmp",
notes="notes").put()
gc_datastore.store_data(log_key, gc_data)
results = gc_datastore.get_data(log_key)
self.assertEqual(results, gc_data)
# Uncomment below to help debug failures
"""
def setUp(self):
self.parser = ParseGCLog()
class ParseGCTest(unittest.TestCase):
"""GC entry parsing test cases"""
def setUp(self):
self.parser = ParseGCLog()
def test_yg_copy_old_msc_parse(self):
"""Single threaded YG copy collector with serial garbage collector
-XX:+UseSerialGC
"""
result = self.parser.parse(SERIAL_ENTRY1)
expected = parsegc.generate_yg_gc_entry(
"47.100",
"47.100",
"DefNew",
"25472",
"1143",
"25472",
"0.0103151",
"66774",
"45257",
"81968",
"0.0103716",
"0.01",
"0.00",
"0.01",
)
self.assertEqual(result, expected)
yg_result2 = self.parser.parse(SERIAL_YG1)
yg_expected2 = parsegc.generate_yg_gc_entry(
"1.321",
"1.321",
"DefNew",
"80256",
"9984",
"90240",
"0.2542700",
"200471",
"200470",
"290600",
"0.2543095",
"0.22",
"0.04",
"0.26",
)
self.assertEqual(yg_result2, yg_expected2)
# TODO SERIAL_YG2 entry
full_result = self.parser.parse(SERIAL_FULL)
full_expected = parsegc.generate_full_gc_entry(
"26.256",
"26.256",
"Tenured",
"349568",
"349568",
"349568",
"1.3431030",
"506815",
"506815",
"506816",
"4607",
"4607",
"21248",
"1.3431456",
"1.31",
"0.03",
"1.34",
)
self.assertEqual(full_result, full_expected)
system_result = self.parser.parse(SERIAL_SYSTEM)
system_expected = parsegc.generate_full_gc_entry(
"11.576",
"11.576",
"Tenured",
"0",
"336",
"43712",
"0.0123789",
"1747",
"336",
"63360",
"4612",
"4612",
"21248",
"0.0132219",
"0.01",
"0.00",
"0.01",
"System",
)
self.assertEqual(system_result, system_expected)
def test_young_ps_old_ps_parse(self):
"""Multi-threaded YG collector with throughput collector
-XX:+UseParallelGC, auto-enabled with -XX:+UseParallelOldGC
"""
result = self.parser.parse(PARALLEL_ENTRY1)
expected = parsegc.generate_yg_gc_entry(
"2.590",
None,
"PSYoungGen",
"32768",
"26736",
"57344",
None,
"82018",
"75986",
"140416",
"0.0292595",
"0.08",
"0.02",
"0.03",
)
self.assertEqual(result, expected)
def test_yg_parnew_old_msc_parse(self):
"""Multi-threaded YG collector with old MarkSweepCompact collector
-XX:+UseParNewGC
"""
yg_result = self.parser.parse(PARNEW_MSC_YG2)
yg_expected = parsegc.generate_yg_gc_entry(
"1.025",
"1.025",
"ParNew",
"35840",
"4480",
"40320",
"0.0930836",
"89536",
"88976",
"129816",
"0.0931276",
"0.25",
"0.03",
"0.10",
)
self.assertEqual(yg_result, yg_expected)
full_result = self.parser.parse(PARNEW_MSC_FULL)
full_expected = parsegc.generate_full_gc_entry(
"32.438",
"32.438",
"Tenured",
"349567",
"349567",
"349568",
"1.6792855",
"506815",
"506815",
"506816",
"4574",
"4574",
"21248",
"1.6793288",
"1.62",
"0.05",
"1.68",
)
self.assertEqual(full_result, full_expected)
system_result = self.parser.parse(PARNEW_MSC_SYSTEM)
system_expected = parsegc.generate_full_gc_entry(
"11.033",
"11.033",
"Tenured",
"0",
"336",
"43712",
"0.0099557",
"1747",
"336",
"63360",
"4612",
"4612",
"21248",
"0.0108454",
"0.00",
"0.00",
"0.01",
"System",
)
self.assertEqual(system_result, system_expected)
def test_yg_parnew_old_cms_parse(self):
"""Multi-threaded YG collector with concurrent old generation
collector (CMS)
-XX:+UseParNewGC, auto-enabled with -XX:+UseConcMarkSweepGC
"""
result = self.parser.parse(PAR_NEW_ENTRY1)
expected = parsegc.generate_yg_gc_entry(
"29.063",
"29.063",
"ParNew",
"471872",
"50601",
"471872",
"0.1122560",
"2294220",
"1911156",
"4141888",
"0.1127720",
"2.47",
"0.09",
"0.12",
)
self.assertEqual(result, expected)
yg_result = self.parser.parse(PARNEW_CMS_YG1)
yg_expected = parsegc.generate_yg_gc_entry(
"2.225",
"2.225",
"ParNew",
"19134",
"2110",
"19136",
"0.0619736",
"395443",
"395442",
"412864",
"0.0620169",
"0.21",
"0.01",
"0.06",
)
self.assertEqual(yg_result, yg_expected)
full_result = self.parser.parse(PARNEW_CMS_FULL)
full_expected = parsegc.generate_full_gc_entry(
"12.850",
"12.850",
"CMS",
"458751",
"458751",
"458752",
"2.2371750",
"517759",
"517722",
"517760",
"4619",
"4609",
"21248",
"2.2372395",
"2.17",
"0.05",
"2.23",
)
self.assertEqual(full_result, full_expected)
system_result = self.parser.parse(PARNEW_CMS_SYSTEM)
system_expected = parsegc.generate_full_gc_entry(
"10.160",
"10.479",
"CMS",
"0",
"340",
"63872",
"0.0206751",
"1735",
"340",
"83008",
"4614",
"4612",
"21248",
"0.0207745",
"0.02",
"0.00",
"0.34",
"System",
)
self.assertEqual(system_result, system_expected)
def test_yg_copy_old_cms(self):
"""Young copy collector with old ConcurrentMarkSweep
-XX:+UseConcMarkSweepGC -XX:-UseParNewGC
"""
yg_result = self.parser.parse(COPY_CMS_YG1)
yg_expected = parsegc.generate_yg_gc_entry(
"1.438",
"1.438",
"DefNew",
"19136",
"2111",
"19136",
"0.1023744",
"191163",
"191162",
"208192",
"0.1024165",
"0.10",
"0.01",
"0.10",
)
self.assertEqual(yg_result, yg_expected)
full_result = self.parser.parse(COPY_CMS_FULL)
full_expected = parsegc.generate_full_gc_entry(
"6.497",
"6.497",
"CMS",
"503039",
"503040",
"503040",
"4.9805391",
"522175",
"522156",
"522176",
"4619",
"4619",
"21248",
"4.9934847",
"2.45",
"0.21",
"4.99",
)
self.assertEqual(full_result, full_expected)
system_result = self.parser.parse(COPY_CMS_SYSTEM)
system_expected = parsegc.generate_full_gc_entry(
"10.377",
"10.377",
"CMS",
"0",
"340",
"63872",
"0.0161677",
"1735",
"340",
"83008",
"4614",
"4612",
"21248",
"0.0162435",
"0.02",
"0.00",
"0.02",
"System",
)
self.assertEqual(system_result, system_expected)
def test_young_ps_old_ps(self):
"""Young ParallelScavenge with old ParallelScavenge MarkSweep
-XX:+UseParallelGC -XX:+UseParallelOldGC, turn adaptive sizeing on/off with -XX:+UseAdaptiveSizePolicy
"""
yg_result = self.parser.parse(PARALLEL_MARKSWEEP_ADAPTIVE_YG1)
yg_expected = parsegc.generate_yg_gc_entry(
"4.607",
None,
"PSYoungGen",
"83708",
"58240",
"116480",
None,
"351227",
"351398",
"466048",
"0.2748461",
"0.93",
"0.04",
"0.27",
)
self.assertEqual(yg_result, yg_expected)
yg_result2 = self.parser.parse(PARALLEL_MARKSWEEP_NON_ADAPTIVE_YG1)
yg_expected2 = parsegc.generate_yg_gc_entry(
"0.285",
None,
"PSYoungGen",
"16448",
"2688",
"19136",
None,
"55510",
"54822",
"71296",
"0.0370065",
"0.13",
"0.01",
"0.03",
)
self.assertEqual(yg_result2, yg_expected2)
full_result = self.parser.parse(PARALLEL_MARKSWEEP_ADAPTIVE_FULL)
full_expected = parsegc.generate_full_gc_entry(
"5.257",
None,
"ParOldGen",
"349566",
"349567",
"349568",
None,
"466046",
"407805",
"466048",
"4574",
"4574",
"21248",
"1.8929788",
"6.03",
"0.17",
"1.89",
)
# [PSYoungGen: 116480K->58237K(116480K)]
self.assertEqual(full_result, full_expected)
full_result2 = self.parser.parse(PARALLEL_MARKSWEEP_NON_ADAPTIVE_FULL)
full_expected2 = parsegc.generate_full_gc_entry(
"0.322",
None,
"ParOldGen",
"52134",
"52156",
"52160",
None,
"54822",
"54738",
"71296",
"4572",
"4570",
"21248",
"0.1916334",
"0.54",
"0.02",
"0.20",
)
# [PSYoungGen: 2688K->2581K(19136K)]
self.assertEqual(full_result2, full_expected2)
system_result = self.parser.parse(PARALLEL_MARKSWEEP_ADAPTIVE_SYSTEM)
system_expected = parsegc.generate_full_gc_entry(
"10.295",
None,
"ParOldGen",
"0",
"336",
"43712",
None,
"448",
"336",
"62848",
"4612",
"4611",
"21248",
"0.0106136",
"0.02",
"0.00",
"0.02",
"System",
)
# [PSYoungGen: 448K->0K(19136K)]
self.assertEqual(system_result, system_expected)
system_result2 = self.parser.parse(PARALLEL_MARKSWEEP_NON_ADAPTIVE_SYSTEM)
system_expected2 = parsegc.generate_full_gc_entry(
"10.207",
None,
"ParOldGen",
"0",
"336",
"43712",
None,
"448",
"336",
"62848",
"4612",
"4611",
"21248",
"0.0090976",
"0.01",
"0.00",
"0.01",
"System",
)
# [PSYoungGen: 448K->0K(19136K)]
self.assertEqual(system_result2, system_expected2)
def test_invalid_entry(self):
result = self.parser.parse(CMS_INITIAL_MARK)
self.assertIsNone(result)
class ParseGCBlobTest(unittest.TestCase):
path = os.path.dirname(os.path.abspath(__file__)) + "/"
blobstore_dir = path + "testbed.blobstore"
sample_file = path + "gc-sample.log"
def setUp(self):
# First, create an instance of the Testbed class.
self.testbed = TestbedWithFiles()
# Then activate the testbed, which prepares the service stubs for use.
self.testbed.activate()
# Next, declare which service stubs you want to use.
self.testbed.init_blobstore_stub(self.blobstore_dir)
self.parser = ParseGCLog()
self.csv_writer = BlobResultWriter()
def tearDown(self):
self.testbed.deactivate()
if os.path.isdir(self.blobstore_dir):
shutil.rmtree(self.blobstore_dir)
def _load_file_data(self, filename):
file = open(filename, 'r')
data = file.read()
file.close()
return data
def _load_blob_data(self, blob_key):
blob_info = blobstore.BlobInfo.get(blob_key)
blob_reader = blob_info.open()
data = blob_reader.read()
blob_reader.close()
return data
def test_generate_memory_csv(self):
expected_data = self._load_file_data(self.path + "expected_mem.csv")
gc_data = self.parser.parse_file(self.sample_file)
log_key = LogData(filename="memory.tmp", notes="notes").put()
blob_key = graph.generate_cached_graph(log_key, graph.YG_GC_MEMORY,
gc_data, self.csv_writer)
result_data = self._load_blob_data(blob_key)
self.assertEqual(result_data, expected_data)
def test_generate_gc_reclaimed_csv(self):
expected_data = self._load_file_data(self.path +
"expected_reclaimed.csv")
gc_data = self.parser.parse_file(self.sample_file)
log_key = LogData(filename="reclaimed.tmp", notes="notes").put()
blob_key = graph.generate_cached_graph(log_key, graph.MEMORY_RECLAIMED,
gc_data, self.csv_writer)
result_data = self._load_blob_data(blob_key)
self.assertEqual(result_data, expected_data)
def test_generate_gc_duration_csv(self):
expected_data = self._load_file_data(self.path +
"expected_duration.csv")
gc_data = self.parser.parse_file(self.sample_file)
log_key = LogData(filename="duration.tmp", notes="notes").put()
blob_key = graph.generate_cached_graph(log_key, graph.GC_DURATION,
gc_data, self.csv_writer)
result_data = self._load_blob_data(blob_key)
self.assertEqual(result_data, expected_data)
def test_gc_datastore(self):
"""Test storage & retrival of GC entries in datastore"""
yg_gc = parsegc.generate_yg_gc_entry("100.25", "100.25", "ParNew", "3",
"2", "8", "0.12345", "8192",
"5120", "16384", "3.12345", "1.5",
"2.0", "3.1")
full_gc = parsegc.generate_full_gc_entry("200.5", "200.5", "Tenured",
"20", "10", "40", "0.23456",
"8192", "5120", "16384",
"200", "100", "400", "3.1234",
"1.9", "0.05", "3.11")
# Items should be written to & returned from the store
# ordered by timestamp
gc_data = [yg_gc, full_gc]
log_key = LogData(filename="test_gc_datastore.tmp",
notes="notes").put()
gc_datastore.store_data(log_key, gc_data)
results = gc_datastore.get_data(log_key)
self.assertEqual(results, gc_data)
# Uncomment below to help debug failures
"""
def setUp(self):
self.parser = ParseGCLog()
self.csv_writer = FileResultWriter()
