Adding more event log

Summary: Add more event log

Reviewed By: mannatsingh

Differential Revision: D19669444

fbshipit-source-id: 9eed43710edf7b524719b1d4933c1e4724b63c60

Author: isunjin

classy_vision/trainer/elastic_trainer.py

@@ -95,9 +95,11 @@ def _run_step(self, state, local_variables, use_gpu):
 
         if state.advance_to_next_phase:
             logging.info("Begin advance_phase")
+            self.elastic_coordinator._log_event("before advance_phase")
             state.task.advance_phase()
             self.elastic_coordinator.barrier()
             logging.info("Done advance_phase")
+            self.elastic_coordinator._log_event("after advance_phase")
 
             # Start phase hooks
             state.task.run_hooks(