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refactor: rename tracing span attribute "system" to "system_instructions"

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Align with the OpenTelemetry GenAI semantic convention
gen_ai.system_instructions for system prompts. The old "system"
attribute name was unrelated to gen_ai.system (which is for
provider name).
This commit is contained in:
Mark Backman
2026-03-20 13:20:03 -04:00
parent 991fbb82da
commit 20a3ada916
3 changed files with 7 additions and 6 deletions
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1
changelog/3449.changed.md Normal file
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@@ -0,0 +1 @@
- Renamed tracing span attribute `system` to `system_instructions` to align with the OpenTelemetry GenAI semantic conventions.

8
src/pipecat/utils/tracing/service_attributes.py
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@@ -193,7 +193,7 @@ def add_llm_span_attributes(
tools: Optional[str] = None,
tool_count: Optional[int] = None,
tool_choice: Optional[str] = None,
system: Optional[str] = None,
system_instructions: Optional[str] = None,
parameters: Optional[Dict[str, Any]] = None,
extra_parameters: Optional[Dict[str, Any]] = None,
ttfb: Optional[float] = None,
@@ -211,7 +211,7 @@ def add_llm_span_attributes(
tools: JSON-serialized tools configuration.
tool_count: Number of tools available.
tool_choice: Tool selection configuration.
system: System message.
system_instructions: System instructions.
parameters: Service parameters.
extra_parameters: Additional parameters.
ttfb: Time to first byte in seconds.
@@ -240,8 +240,8 @@ def add_llm_span_attributes(
if tool_choice:
span.set_attribute("tool_choice", tool_choice)
if system:
span.set_attribute("system", system)
if system_instructions:
span.set_attribute("system_instructions", system_instructions)
if ttfb is not None:
span.set_attribute("metrics.ttfb", ttfb)

4
src/pipecat/utils/tracing/service_decorators.py
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@@ -538,7 +538,7 @@ def traced_llm(func: Optional[Callable] = None, *, name: Optional[str] = None) -
if hasattr(self, "_settings"):
for key, value in self._settings.given_fields().items():
# system_instruction is already captured as the
# "system" span attribute above.
# "system_instructions" span attribute above.
if key == "system_instruction":
continue
if isinstance(value, (int, float, bool, str)):
@@ -561,7 +561,7 @@ def traced_llm(func: Optional[Callable] = None, *, name: Optional[str] = None) -
attribute_kwargs["tools"] = serialized_tools
attribute_kwargs["tool_count"] = tool_count
if system_message:
attribute_kwargs["system"] = system_message
attribute_kwargs["system_instructions"] = system_message
# Add all gathered attributes to the span
add_llm_span_attributes(span=current_span, **attribute_kwargs)