diff --git a/benchmarks/perf-tool/okpt/test/steps/factory.py b/benchmarks/perf-tool/okpt/test/steps/factory.py
index ba0fc5b60..77e963921 100644
--- a/benchmarks/perf-tool/okpt/test/steps/factory.py
+++ b/benchmarks/perf-tool/okpt/test/steps/factory.py
@@ -10,7 +10,7 @@
 
 from okpt.test.steps.steps import CreateIndexStep, DisableRefreshStep, RefreshIndexStep, DeleteIndexStep, \
     TrainModelStep, DeleteModelStep, ForceMergeStep, ClearCacheStep, IngestStep, IngestMultiFieldStep, \
-    QueryStep, QueryWithFilterStep, GetStatsStep
+    QueryStep, QueryWithFilterStep, GetStatsStep, WarmupStep
 
 
 def create_step(step_config: StepConfig) -> Step:
@@ -40,5 +40,7 @@ def create_step(step_config: StepConfig) -> Step:
         return ClearCacheStep(step_config)
     elif step_config.step_name == GetStatsStep.label:
         return GetStatsStep(step_config)
+    elif step_config.step_name == WarmupStep.label:
+        return WarmupStep(step_config)
 
     raise ConfigurationError(f'Invalid step {step_config.step_name}')
diff --git a/benchmarks/perf-tool/okpt/test/steps/steps.py b/benchmarks/perf-tool/okpt/test/steps/steps.py
index cc1773330..a8ee36c05 100644
--- a/benchmarks/perf-tool/okpt/test/steps/steps.py
+++ b/benchmarks/perf-tool/okpt/test/steps/steps.py
@@ -162,6 +162,23 @@ def _action(self):
     def _get_measures(self) -> List[str]:
         return ['took']
 
+class WarmupStep(OpenSearchStep):
+    """See base class."""
+
+    label = 'warmup_operation'
+
+    def __init__(self, step_config: StepConfig):
+        super().__init__(step_config)
+        self.index_name = parse_string_param('index_name', step_config.config, {},
+                                           None)
+
+    def _action(self):
+        """Performs warmup operation on an index."""
+        warmup_operation(self.endpoint, self.port, self.index_name)
+        return {}
+
+    def _get_measures(self) -> List[str]:
+        return ['took']
 
 class TrainModelStep(OpenSearchStep):
     """See base class."""
@@ -690,6 +707,23 @@ def delete_model(endpoint, port, model_id):
     return response.json()
 
 
+def warmup_operation(endpoint, port, index):
+    """
+    Performs warmup operation on index to load native library files
+    of that index to reduce query latencies.
+    Args:
+        endpoint: Endpoint OpenSearch is running on
+        port: Port OpenSearch is running on
+        index: index name
+    Returns:
+        Deleted model response
+    """
+    response = requests.get('http://' + endpoint + ':' + str(port) +
+                               '/_plugins/_knn/warmup/' + index,
+                               headers={'content-type': 'application/json'})
+    return response.json()
+
+
 def get_opensearch_client(endpoint: str, port: int, timeout=60):
     """
     Get an opensearch client from an endpoint and port
diff --git a/benchmarks/perf-tool/release-configs/faiss-hnsw-sqfp16/test.yml b/benchmarks/perf-tool/release-configs/faiss-hnsw-sqfp16/test.yml
index efc737711..50460f60b 100644
--- a/benchmarks/perf-tool/release-configs/faiss-hnsw-sqfp16/test.yml
+++ b/benchmarks/perf-tool/release-configs/faiss-hnsw-sqfp16/test.yml
@@ -1,4 +1,4 @@
-endpoint: localhost
+endpoint: "localhost"
 test_name: "Faiss HNSW SQfp16 Test"
 test_id: "Faiss HNSW SQfp16 Test"
 num_runs: 10
@@ -20,6 +20,8 @@ steps:
   - name: force_merge
     index_name: target_index
     max_num_segments: 1
+  - name: warmup_operation
+    index_name: target_index
   - name: query
     k: 100
     r: 1