enable compile time profiling

Change-Id: I27a83e59c799e71b75fac413880072adc156aa74
diff --git a/rw_core/main.go b/rw_core/main.go
index 7741d1f..71f64f3 100644
--- a/rw_core/main.go
+++ b/rw_core/main.go
@@ -223,7 +223,7 @@
 	} else {
 		log.Fatal("HOSTNAME not set")
 	}
-
+	realMain()
 	//Setup default logger - applies for packages that do not have specific logger set
 	if _, err := log.SetDefaultLogger(log.JSON, cf.LogLevel, log.Fields{"instanceId": instanceID}); err != nil {
 		log.With(log.Fields{"error": err}).Fatal("Cannot setup logging")
diff --git a/rw_core/profile.go b/rw_core/profile.go
new file mode 100644
index 0000000..31e7068
--- /dev/null
+++ b/rw_core/profile.go
@@ -0,0 +1,32 @@
+// +build profile
+
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+	"net/http"
+	_ "net/http/pprof"
+)
+
+func realMain() {
+	go func() {
+		log.Infoln(http.ListenAndServe("localhost:6060", nil))
+	}()
+
+}
diff --git a/rw_core/release.go b/rw_core/release.go
new file mode 100644
index 0000000..46750e2
--- /dev/null
+++ b/rw_core/release.go
@@ -0,0 +1,27 @@
+// +build !profile
+
+/*
+ * Copyright 2018-present Open Networking Foundation
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+
+ * http://www.apache.org/licenses/LICENSE-2.0
+
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"github.com/opencord/voltha-lib-go/v3/pkg/log"
+)
+
+func realMain() {
+	log.Infoln("NOT PROFILING")
+}