Add extra logs to control how fast syncd initialized (sonic-net#169)

* Add a message about fast boot option

* update log messages for syncd

* Replace churn after editinng

Author: pavel-shirshov

syncd/syncd.cpp

@@ -1649,6 +1649,8 @@ int main(int argc, char **argv)
 {
     SWSS_LOG_ENTER();
 
+    SWSS_LOG_NOTICE("syncd started");
+  
     for (const auto& i : saiApiMap)
     {
         swss::Logger::linkToDb(i.first, saiLoglevelNotify, "SAI_LOG_NOTICE");
@@ -1721,7 +1723,9 @@ int main(int argc, char **argv)
 
     initialize_common_api_pointers();
 
+    SWSS_LOG_NOTICE("starting initializing ASIC");
     status = sai_switch_api->initialize_switch(0, "", "", &switch_notifications);
+    SWSS_LOG_NOTICE("finished initializing ASIC");
 
     if (status != SAI_STATUS_SUCCESS)
     {
@@ -1753,7 +1757,9 @@ int main(int argc, char **argv)
 
     try
     {
+        SWSS_LOG_NOTICE("before onSyncdStart");
         onSyncdStart(options.startType == SAI_WARM_BOOT);
+        SWSS_LOG_NOTICE("after onSyncdStart");
 
         if (options.disableCountersThread == false)
         {
@@ -1769,6 +1775,8 @@ int main(int argc, char **argv)
         s.addSelectable(asicState);
         s.addSelectable(restartQuery);
 
+        SWSS_LOG_NOTICE("starting main loop");
+
         while(true)
         {
             swss::Selectable *sel = NULL;