diff --git a/tests/performance/api/device.py b/tests/performance/api/device.py
index 01197accb87..10b0388e02b 100644
--- a/tests/performance/api/device.py
+++ b/tests/performance/api/device.py
@@ -42,6 +42,8 @@ def get_gpu_device(args: None) -> list:
                 result.append({'type': device.type, 'name': device.name, 'index': index})
                 if device.type in {"HIP", "METAL", "ONEAPI"}:
                     result.append({'type': f"{device.type}-RT", 'name': device.name, 'index': index})
+                if device.type in {"OPTIX"}:
+                    result.append({'type': f"{device.type}-OSL", 'name': device.name, 'index': index})
                 index += 1
 
     return result
@@ -59,7 +61,8 @@ class TestMachine:
     def __init__(self, env, need_gpus: bool):
         operating_system = platform.system()
 
-        self.devices = [TestDevice('CPU', 'CPU', get_cpu_name(), operating_system)]
+        self.devices = [TestDevice('CPU', 'CPU', get_cpu_name(), operating_system),
+                        TestDevice('CPU-OSL', 'CPU-OSL', get_cpu_name(), operating_system)]
         self.has_gpus = need_gpus
 
         if need_gpus and env.blender_executable:
diff --git a/tests/performance/tests/cycles.py b/tests/performance/tests/cycles.py
index a8310649c86..f4da661e3dd 100644
--- a/tests/performance/tests/cycles.py
+++ b/tests/performance/tests/cycles.py
@@ -8,12 +8,18 @@ import api
 def _run(args):
     import bpy
 
-    device_type, suffix = (args['device_type'].split("-") + [""])[:2]
-    use_hwrt = (suffix == "RT")
-    device_index = args['device_index']
+    device_info = args['device_type'].split("-")
+    device_type = device_info[0]
 
-    if suffix not in {"", "RT"}:
-        raise SystemExit(f"Unknown device type suffix {suffix}")
+    device_suffixes = device_info[1:]
+    use_hwrt = "RT" in device_suffixes
+    use_osl = "OSL" in device_suffixes
+
+    for suffix in device_suffixes:
+        if suffix not in {"RT", "OSL"}:
+            raise SystemExit(f"Unknown device type suffix {suffix}")
+
+    device_index = args['device_index']
 
     scene = bpy.context.scene
     scene.render.engine = 'CYCLES'
@@ -31,6 +37,9 @@ def _run(args):
         scene.cycles.samples = 16384
         scene.cycles.time_limit = 10.0
 
+    if use_osl:
+        scene.cycles.shading_system = True
+
     if scene.cycles.device == 'GPU':
         # Enable specified GPU in preferences.
         prefs = bpy.context.preferences