testcase

sentry_sdk/integrations/opentelemetry/span_processor.py

@@ -67,7 +67,7 @@ def on_start(self, span, parent_context=None):
             return
 
         self._add_root_span(span, get_current_span(parent_context))
-        self._start_profile(span, parent_context)
+        self._start_profile(span)
 
     def on_end(self, span):
         # type: (ReadableSpan) -> None
@@ -106,7 +106,7 @@ def _add_root_span(self, span, parent_span):
             # root span points to itself
             set_sentry_meta(span, "root_span", span)
 
-    def _start_profile(self, span, parent_context):
+    def _start_profile(self, span):
         # type: (Span, Optional[Context]) -> None
         try_autostart_continuous_profiler()
         profiler_id = get_profiler_id()
@@ -128,7 +128,7 @@ def _start_profile(self, span, parent_context):
             # setting it to 0 means the profiler will internally measure time on start
             profile = Profile(sampled, 0)
             sampling_context = create_sampling_context(
-                span.name, span.attributes, parent_context, span.context.trace_id
+                span.name, span.attributes, span.parent, span.context.trace_id
             )
             profile._set_initial_sampling_decision(sampling_context)
             profile.__enter__()

tests/tracing/test_sampling.py

@@ -307,3 +307,25 @@ def test_records_lost_event_only_if_traces_sampler_enabled(
 
     # Use Counter because order of calls does not matter
     assert Counter(record_lost_event_calls) == Counter(expected_record_lost_event_calls)
+
+
+@pytest.mark.parametrize("parent_sampling_decision", [True, False])
+def test_profiles_sampler_gets_sampling_context(sentry_init, parent_sampling_decision):
+    def dummy_profiles_sampler(sampling_context):
+        assert sampling_context["transaction_context"] == {
+            "name": "dogpark",
+            "op": "op",
+            "source": "custom",
+        }
+        assert sampling_context["parent_sampled"] == parent_sampling_decision
+        return 1.0
+
+    sentry_init(traces_sample_rate=1.0, profiles_sampler=dummy_profiles_sampler)
+
+    with sentry_sdk.continue_trace(
+        {
+            "sentry-trace": f"12312012123120121231201212312012-1121201211212012-{int(parent_sampling_decision)}"
+        }
+    ):
+        with sentry_sdk.start_span(name="dogpark", op="op"):
+            pass