fix vlog print problem in fleet (#44011)

* fix vlog print problem in fleet

* fix log_patch.h code style

paddle/fluid/framework/fleet/fleet_wrapper.h

@@ -38,6 +38,7 @@ limitations under the License. */
 #ifdef PADDLE_WITH_HETERPS
 #include "paddle/fluid/platform/device/gpu/gpu_types.h"
 #endif
+#include "paddle/fluid/framework/fleet/heter_ps/log_patch.h"
 
 namespace paddle {
 namespace framework {

paddle/fluid/framework/fleet/heter_ps/log_patch.h

+/* Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserved.
+
+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. */
+
+#pragma once
+
+#include <glog/logging.h>
+
+#undef VLOG_IS_ON
+#define VLOG_IS_ON(verboselevel) (FLAGS_v >= (verboselevel))
+
+#undef COMPACT_GOOGLE_LOG_INFO
+#define COMPACT_GOOGLE_LOG_INFO google::LogMessage(__FILE__, __LINE__)
+
+#undef LOG
+#define LOG(severity) COMPACT_GOOGLE_LOG_##severity.stream()
+
+#undef LOG_IF
+#define LOG_IF(severity, condition) \
+  static_cast<void>(0),             \
+      !(condition) ? (void)0 : google::LogMessageVoidify() & LOG(severity)
+
+#undef VLOG
+#define VLOG(verboselevel) LOG_IF(INFO, VLOG_IS_ON(verboselevel))

paddle/fluid/framework/fleet/ps_gpu_wrapper.h

@@ -59,6 +59,7 @@ limitations under the License. */
 #ifdef PADDLE_WITH_PSLIB
 #include "downpour_accessor.h"  // NOLINT
 #endif
+#include "paddle/fluid/framework/fleet/heter_ps/log_patch.h"
 
 namespace paddle {
 namespace framework {