Look for bias in C++ perf test

CMakePresets.json

@@ -808,14 +808,16 @@
       "inherits": [
         "linux-basic-g++",
         "debug-build"
+
       ]
     },
     {
       "name": "linux-g++-debug-tests",
       "inherits": [
         "linux-basic-g++",
         "debug-build",
-        "enable-tests"
+        "enable-tests",
+        "enable-perf"
       ],
       "displayName": "Linux g++, Debug+Tests"
     },

sdk/core/perf/src/program.cpp

@@ -293,6 +293,13 @@ inline void RunTests(
   std::cout << std::endl << "=== Results ===";
 
   auto totalOperations = Sum(completedOperations);
+  for (auto completionTime : lastCompletionTimes) {
+      if (completionTime > deadLineSeconds + std::chrono::milliseconds(500)) {
+          std::cout << "Warning: One of the tests ran for " << static_cast<double>(std::chrono::duration_cast<std::chrono::milliseconds>(completionTime).count()) / 1000 << "s, longer than the specified duration of " 
+			  << durationInSeconds << " seconds." << std::endl;
+      }
+
+  }
   auto operationsPerSecond = Sum(ZipAvg(completedOperations, lastCompletionTimes));
   auto secondsPerOperation = 1 / operationsPerSecond;
   auto weightedAverageSeconds = totalOperations / operationsPerSecond;

sdk/storage/azure-storage-blobs/perf-resources.bicep

@@ -1,13 +1,39 @@
 param baseName string = resourceGroup().name
+param testApplicationOid string
 param location string = resourceGroup().location
 
-resource storageAccount 'Microsoft.Storage/storageAccounts@2019-06-01' = {
+
+var blobDataContributorRoleId = 'ba92f5b4-2d11-453d-a403-e96b0029c9fe'
+var blobDataOwnerRoleId = 'b7e6dc6d-f1e8-4753-8033-0f276bb0955b'
+
+resource blobDataContributor 'Microsoft.Authorization/roleAssignments@2022-04-01' = {
+  name: guid(blobDataContributorRoleId, resourceGroup().id)
+  properties: {
+    roleDefinitionId: resourceId('Microsoft.Authorization/roleDefinitions', blobDataContributorRoleId)
+    principalId: testApplicationOid
+  }
+}
+
+resource blobDataOwner 'Microsoft.Authorization/roleAssignments@2022-04-01' = {
+  name: guid(blobDataOwnerRoleId, resourceGroup().id)
+  properties: {
+    roleDefinitionId: resourceId('Microsoft.Authorization/roleDefinitions', blobDataOwnerRoleId)
+    principalId: testApplicationOid
+  }
+}
+
+resource storageAccount 'Microsoft.Storage/storageAccounts@2024-01-01' = {
   name: '${baseName}blob'
   location: location
   kind: 'BlockBlobStorage'
   sku: {
     name: 'Premium_LRS'
   }
+  properties: {
+    publicNetworkAccess: null
+    supportsHttpsTrafficOnly: true
+
+  }
 }
 
 var name = storageAccount.name