[Test] Push performance test mpi variation to DynamoDB table

The performance result is consistently different between Open MPI and Intel MPI

Author: hanwen-cluster

tests/integration-tests/tests/performance_tests/common.py

@@ -255,7 +255,7 @@ def _log_output_performance_difference(node, performance_degradation, observed_v
     )
 
 
-def push_result_to_dynamodb(name, result, instance, os):
+def push_result_to_dynamodb(name, result, instance, os, mpi_variation=None):
     reporting_region = METADATA_DEFAULT_REGION
     logging.info(f"Metadata reporting region {reporting_region}")
     # Create the metadata table in case it doesn't exist
@@ -274,6 +274,7 @@ def push_result_to_dynamodb(name, result, instance, os):
             "timestamp": int(time.time()),
             "result": str(result),
             "pcluster_version": f"v{get_installed_parallelcluster_version()}",
+            "mpi_variation": str(mpi_variation),
         }
 
         # Put item in the table

tests/integration-tests/tests/performance_tests/test_osu.py

@@ -239,7 +239,7 @@ def _check_osu_benchmarks_results(test_datadir, output_dir, os, instance, mpi_ve
     metric_namespace = "ParallelCluster/test_efa"
     evaluation_output = ""
     result = re.findall(r"(\d+)\s+(\d+)\.", output)
-    push_result_to_dynamodb(f"OSU_{benchmark_name}", result, instance, os)
+    push_result_to_dynamodb(f"OSU_{benchmark_name}", result, instance, os, mpi_version)
     for packet_size, value in result:
         with open(
             str(test_datadir / "osu_benchmarks" / "results" / os / instance / mpi_version / benchmark_name),