add init flag in __init__.py for listen_and_serv_profile_period

Author: jacquesqiao

paddle/fluid/CMakeLists.txt

@@ -6,4 +6,4 @@ add_subdirectory(pybind)
 add_subdirectory(string)
 add_subdirectory(recordio)
 # NOTE: please add subdirectory inference at last.
-add_subdirectory(inference)
+#add_subdirectory(inference)

paddle/fluid/operators/listen_and_serv_op.cc

@@ -19,13 +19,14 @@ limitations under the License. */
 #include <thread>  // NOLINT
 #include <vector>
 
+#include "gflags/gflags.h"
+
 #include "paddle/fluid/operators/detail/macros.h"
 
 #include "paddle/fluid/operators/distributed/request_handler_impl.h"
 #include "paddle/fluid/operators/listen_and_serv_op.h"
 #include "paddle/fluid/platform/profiler.h"
 
-DECLARE_int32(listen_and_serv_profile_period);
 DEFINE_int32(listen_and_serv_profile_period, 0,
              "the period of listen_and_serv to do profile");
 

python/paddle/fluid/__init__.py

@@ -127,6 +127,7 @@ def __bootstrap__():
     ]
     if core.is_compiled_with_dist():
         read_env_flags.append('rpc_deadline')
+        read_env_flags.append('listen_and_serv_profile_period')
 
     if core.is_compiled_with_cuda():
         read_env_flags += [