Add global fields to each row

Signed-off-by: Samuel Monson <smonson@redhat.com>

Author: sjmonson

src/guidellm/benchmark/outputs/csv.py

@@ -137,6 +137,7 @@ async def finalize(self, report: GenerativeBenchmarksReport) -> Path:
                         benchmark_values,
                     )
                 self._add_scheduler_info(benchmark, benchmark_headers, benchmark_values)
+                self._add_runtime_info(report, benchmark_headers, benchmark_values)
 
                 if not headers:
                     headers = benchmark_headers
@@ -182,6 +183,34 @@ def _add_field(
         headers.append([group, field_name, units])
         values.append(value)
 
+    def _add_runtime_info(
+        self,
+        report: GenerativeBenchmarksReport,
+        headers: list[list[str]],
+        values: list[str | int | float],
+    ) -> None:
+        """
+        Add global metadata and environment information.
+
+        :param report: Benchmark report to extract global info from
+        :param headers: List of header hierarchies to append to
+        :param values: List of values to append to
+        """
+        self._add_field(
+            headers,
+            values,
+            "Runtime Info",
+            "Metadata",
+            report.metadata.model_dump_json(),
+        )
+        self._add_field(
+            headers,
+            values,
+            "Runtime Info",
+            "Arguments",
+            report.args.model_dump_json(),
+        )
+
     def _add_run_info(
         self,
         benchmark: GenerativeBenchmark,

src/guidellm/benchmark/schemas/generative/report.py

@@ -33,8 +33,12 @@ class GenerativeBenchmarkMetadata(StandardBaseModel):
     Versioning and environment metadata for generative benchmark reports.
     """
 
+    # Make sure to update version when making breaking changes to report schema
     version: Literal[1] = Field(
-        description="Version of the benchmark report schema",
+        description=(
+            "Version of the benchmark report schema, increments "
+            "whenever there is a breaking change to the output format"
+        ),
         default=1,
     )
     guidellm_version: str = Field(