diff --git a/lnt/testing/profile/cPerf.cpp b/lnt/testing/profile/cPerf.cpp
--- a/lnt/testing/profile/cPerf.cpp
+++ b/lnt/testing/profile/cPerf.cpp
@@ -824,13 +824,15 @@
                                      nullptr};
 #endif
 
-PyMODINIT_FUNC initcPerf(void) {
 #if PY_MAJOR_VERSION >= 3
+PyMODINIT_FUNC PyInit_cPerf(void) {
   return PyModule_Create(&cPerfModuleDef);
+}
 #else
+PyMODINIT_FUNC initcPerf(void) {
   (void)Py_InitModule("cPerf", cPerfMethods);
-#endif
 }
+#endif
 
 #else // STANDALONE
 
diff --git a/lnt/testing/profile/perf.py b/lnt/testing/profile/perf.py
--- a/lnt/testing/profile/perf.py
+++ b/lnt/testing/profile/perf.py
@@ -7,9 +7,14 @@
 import traceback
 
 try:
+    # Python 2
     import cPerf
 except Exception:
-    pass
+    try:
+        # Python 3
+        from . import cPerf
+    except Exception:
+        pass
 
 
 class LinuxPerfProfile(ProfileImpl):