def __attrs_post_init__(self):
r = self._recorder = recorder.Recorder(
max_events={
# Allow to store up to 10 threads for 60 seconds at 100 Hz
stack.StackSampleEvent:
10 * 60 * 100,
stack.StackExceptionSampleEvent:
10 * 60 * 100,
# (default buffer size / interval) * export interval
memalloc.MemoryAllocSampleEvent:
int((memalloc.MemoryCollector._DEFAULT_MAX_EVENTS /
memalloc.MemoryCollector._DEFAULT_INTERVAL) * 60),
# Do not limit the heap sample size as the number of events is relative to allocated memory anyway
memalloc.MemoryHeapSampleEvent:
None,
},
default_max_events=int(
os.environ.get("DD_PROFILING_MAX_EVENTS",
recorder.Recorder._DEFAULT_MAX_EVENTS)),
)
self._collectors = [
stack.StackCollector(r, tracer=self.tracer),
memalloc.MemoryCollector(r),
threading.LockCollector(r, tracer=self.tracer),
]
exporters = self._build_default_exporters()
if exporters:
self._scheduler = scheduler.Scheduler(
recorder=r,
exporters=exporters,
before_flush=self._collectors_snapshot)
def __attrs_post_init__(self):
r = recorder.Recorder(
max_events={
# Allow to store up to 10 threads for 60 seconds at 100 Hz
stack.StackSampleEvent: 10 * 60 * 100,
stack.StackExceptionSampleEvent: 10 * 60 * 100,
# This can generate one event every 0.1s if 100% are taken — though we take 5% by default.
# = (60 seconds / 0.1 seconds)
memory.MemorySampleEvent: int(60 / 0.1),
# (default buffer size / interval) * export interval
memalloc.MemoryAllocSampleEvent: int((64 / 0.5) * 60),
},
default_max_events=int(os.environ.get("DD_PROFILING_MAX_EVENTS", recorder.Recorder._DEFAULT_MAX_EVENTS)),
)
if formats.asbool(os.environ.get("DD_PROFILING_MEMALLOC", "false")):
mem_collector = memalloc.MemoryCollector(r)
else:
mem_collector = memory.MemoryCollector(r)
self._collectors = [
stack.StackCollector(r, tracer=self.tracer),
mem_collector,
exceptions.UncaughtExceptionCollector(r),
threading.LockCollector(r),
]
exporters = self._build_default_exporters(self.service, self.env, self.version)
if exporters:
self._scheduler = scheduler.Scheduler(recorder=r, exporters=exporters)
def test_resource_not_collected(monkeypatch, tracer):
monkeypatch.setenv("DD_PROFILING_ENDPOINT_COLLECTION_ENABLED", "false")
resource = str(uuid.uuid4())
span_type = str(uuid.uuid4())
r = recorder.Recorder()
with collector_threading.LockCollector(r, tracer=tracer, capture_pct=100):
lock = threading.Lock()
lock.acquire()
with tracer.trace("test", resource=resource, span_type=span_type) as t:
lock2 = threading.Lock()
lock2.acquire()
lock.release()
trace_id = t.trace_id
span_id = t.span_id
lock2.release()
events = r.reset()
# The tracer might use locks, so we need to look into every event to assert we got ours
for event_type in (collector_threading.LockAcquireEvent,
collector_threading.LockReleaseEvent):
assert {"test_threading.py:149", "test_threading.py:152"
}.issubset({e.lock_name
for e in events[event_type]})
for event in events[event_type]:
if event.name == "test_threading.py:149":
assert event.trace_id is None
assert event.span_id is None
assert event.trace_resource_container is None
assert event.trace_type is None
elif event.name == "test_threading.py:152":
assert event.trace_id == trace_id
assert event.span_id == span_id
assert event.trace_resource_container is None
assert event.trace_type == t.span_type
def test_lock_events_tracer(tracer):
r = recorder.Recorder()
with collector_threading.LockCollector(r, tracer=tracer, capture_pct=100):
lock = threading.Lock()
lock.acquire()
with tracer.trace("test") as t:
lock2 = threading.Lock()
lock2.acquire()
lock.release()
trace_id = t.trace_id
span_id = t.span_id
lock2.release()
assert len(r.events[collector_threading.LockAcquireEvent]) == 2
assert len(r.events[collector_threading.LockReleaseEvent]) == 2
lock_event_1 = r.events[collector_threading.LockAcquireEvent][0]
assert lock_event_1.trace_ids is None
assert lock_event_1.span_ids is None
lock_event_2 = r.events[collector_threading.LockAcquireEvent][1]
assert lock_event_2.trace_ids == {trace_id}
assert lock_event_2.span_ids == {span_id}
lock_release_1 = r.events[collector_threading.LockReleaseEvent][0]
assert lock_release_1.trace_ids == {trace_id}
assert lock_release_1.span_ids == {span_id}
lock_release_2 = r.events[collector_threading.LockReleaseEvent][1]
assert lock_release_2.trace_ids is None
assert lock_release_2.span_ids is None
def test_lock_events_tracer(tracer):
resource = str(uuid.uuid4())
span_type = str(uuid.uuid4())
r = recorder.Recorder()
with collector_threading.LockCollector(r, tracer=tracer, capture_pct=100):
lock = threading.Lock()
lock.acquire()
with tracer.trace("test", resource=resource, span_type=span_type) as t:
lock2 = threading.Lock()
lock2.acquire()
lock.release()
trace_id = t.trace_id
span_id = t.span_id
lock2.release()
events = r.reset()
# The tracer might use locks, so we need to look into every event to assert we got ours
for event_type in (collector_threading.LockAcquireEvent,
collector_threading.LockReleaseEvent):
assert {"test_threading.py:84", "test_threading.py:87"
}.issubset({e.lock_name
for e in events[event_type]})
for event in events[event_type]:
if event.name == "test_threading.py:84":
assert event.trace_id is None
assert event.span_id is None
assert event.trace_resource_container is None
assert event.trace_type is None
elif event.name == "test_threading.py:87":
assert event.trace_id == trace_id
assert event.span_id == span_id
assert event.trace_resource_container[0] == t.resource
assert event.trace_type == t.span_type
def test_lock_events_tracer(tracer):
r = recorder.Recorder()
with collector_threading.LockCollector(r, tracer=tracer, capture_pct=100):
lock = threading.Lock()
lock.acquire()
with tracer.trace("test") as t:
lock2 = threading.Lock()
lock2.acquire()
lock.release()
trace_id = t.trace_id
span_id = t.span_id
lock2.release()
events = r.reset()
# The tracer might use locks, so we need to look into every event to assert we got ours
for event_type in (collector_threading.LockAcquireEvent,
collector_threading.LockReleaseEvent):
assert {"test_threading.py:76", "test_threading.py:79"
}.issubset({e.lock_name
for e in events[event_type]})
for event in events[event_type]:
if event.name == "test_threading.py:76":
assert event.trace_ids is None
assert event.span_ids is None
elif event.name == "test_threading.py:79":
assert event.trace_ids == {trace_id}
assert event.span_ids == {span_id}
def _build_default_collectors():
r = recorder.Recorder()
return [
stack.StackCollector(r),
memory.MemoryCollector(r),
exceptions.UncaughtExceptionCollector(r),
threading.LockCollector(r),
]
def test_patch():
r = recorder.Recorder()
lock = threading.Lock
collector = collector_threading.LockCollector(r)
collector.start()
assert lock == collector.original
# wrapt makes this true
assert lock == threading.Lock
collector.stop()
assert lock == threading.Lock
assert collector.original == threading.Lock
def test_lock_gevent_tasks():
r = recorder.Recorder()
def play_with_lock():
lock = threading.Lock()
lock.acquire()
lock.release()
with collector_threading.LockCollector(r, capture_pct=100):
t = threading.Thread(name="foobar", target=play_with_lock)
t.start()
t.join()
assert len(r.events[collector_threading.LockAcquireEvent]) >= 1
assert len(r.events[collector_threading.LockReleaseEvent]) >= 1
for event in r.events[collector_threading.LockAcquireEvent]:
if event.lock_name == "test_threading.py:199":
assert event.thread_id == nogevent.main_thread_id
assert event.wait_time_ns >= 0
assert event.task_id == t.ident
assert event.task_name == "foobar"
# It's called through pytest so I'm sure it's gonna be that long, right?
assert len(event.frames) > 3
assert event.nframes > 3
assert event.frames[0] == (__file__, 200, "play_with_lock")
assert event.sampling_pct == 100
assert event.task_id == t.ident
assert event.task_name == "foobar"
break
else:
pytest.fail("Lock event not found")
for event in r.events[collector_threading.LockReleaseEvent]:
if event.lock_name == "test_threading.py:199":
assert event.thread_id == nogevent.main_thread_id
assert event.locked_for_ns >= 0.1
assert event.task_id == t.ident
assert event.task_name == "foobar"
# It's called through pytest so I'm sure it's gonna be that long, right?
assert len(event.frames) > 3
assert event.nframes > 3
assert event.frames[0] == (__file__, 201, "play_with_lock")
assert event.sampling_pct == 100
assert event.task_id == t.ident
assert event.task_name == "foobar"
break
else:
pytest.fail("Lock event not found")
def test_lock_acquire_events():
r = recorder.Recorder()
with collector_threading.LockCollector(r, capture_pct=100):
lock = threading.Lock()
lock.acquire()
assert len(r.events[collector_threading.LockAcquireEvent]) == 1
assert len(r.events[collector_threading.LockReleaseEvent]) == 0
event = r.events[collector_threading.LockAcquireEvent][0]
assert event.lock_name == "test_threading.py:59"
assert event.thread_id == _thread.get_ident()
assert event.wait_time_ns > 0
# It's called through pytest so I'm sure it's gonna be that long, right?
assert len(event.frames) > 3
assert event.nframes > 3
assert event.frames[0] == (__file__, 60, "test_lock_acquire_events")
assert event.sampling_pct == 100
def __attrs_post_init__(self):
r = self._recorder = recorder.Recorder(
max_events={
# Allow to store up to 10 threads for 60 seconds at 100 Hz
stack.StackSampleEvent:
10 * 60 * 100,
stack.StackExceptionSampleEvent:
10 * 60 * 100,
# This can generate one event every 0.1s if 100% are taken — though we take 5% by default.
# = (60 seconds / 0.1 seconds)
memory.MemorySampleEvent:
int(60 / 0.1),
# (default buffer size / interval) * export interval
memalloc.MemoryAllocSampleEvent:
int((memalloc.MemoryCollector._DEFAULT_MAX_EVENTS /
memalloc.MemoryCollector._DEFAULT_INTERVAL) * 60),
# Do not limit the heap sample size as the number of events is relative to allocated memory anyway
memalloc.MemoryHeapSampleEvent:
None,
},
default_max_events=int(
os.environ.get("DD_PROFILING_MAX_EVENTS",
recorder.Recorder._DEFAULT_MAX_EVENTS)),
)
if formats.asbool(os.environ.get("DD_PROFILING_MEMALLOC", "true")):
mem_collector = memalloc.MemoryCollector(r)
else:
mem_collector = memory.MemoryCollector(r)
self._collectors = [
stack.StackCollector(r, tracer=self.tracer),
mem_collector,
threading.LockCollector(r, tracer=self.tracer),
]
exporters = self._build_default_exporters(self.tracer, self.url,
self.tags, self.service,
self.env, self.version)
if exporters:
self._scheduler = scheduler.Scheduler(
recorder=r,
exporters=exporters,
before_flush=self._collectors_snapshot)
def test_wrapper():
r = recorder.Recorder()
collector = collector_threading.LockCollector(r)
with collector:
class Foobar(object):
lock_class = threading.Lock
def __init__(self):
lock = self.lock_class()
assert lock.acquire()
lock.release()
# Try to access the attribute
lock = Foobar.lock_class()
assert lock.acquire()
lock.release()
# Try this way too
Foobar()
def _build_default_collectors(tracer):
r = recorder.Recorder(
max_events={
# Allow to store up to 10 threads for 60 seconds at 100 Hz
stack.StackSampleEvent:
10 * 60 * 100,
stack.StackExceptionSampleEvent:
10 * 60 * 100,
# This can generate one event every 0.1s if 100% are taken — though we take 5% by default.
# = (60 seconds / 0.1 seconds)
memory.MemorySampleEvent:
int(60 / 0.1),
},
default_max_events=int(
os.environ.get("DD_PROFILING_MAX_EVENTS",
recorder.Recorder._DEFAULT_MAX_EVENTS)),
)
return [
stack.StackCollector(r, tracer=tracer),
memory.MemoryCollector(r),
exceptions.UncaughtExceptionCollector(r),
threading.LockCollector(r),
]
def test_lock_acquire_release_speed_patched(benchmark, pct):
r = recorder.Recorder()
with collector_threading.LockCollector(r, capture_pct=pct):
benchmark(_lock_acquire_release, threading.Lock())
def test_lock_create_speed_patched(benchmark):
r = recorder.Recorder()
with collector_threading.LockCollector(r):
benchmark(threading.Lock)