Adds a platform-specific hook to start a monitoring exporter.

Change: 140909396

tensorflow/core/BUILD

@@ -228,12 +228,7 @@ cc_library(
         "lib/io/table_builder.h",
         "lib/io/table_options.h",
         "lib/math/math_util.h",
-        "lib/monitoring/collected_metrics.h",
-        "lib/monitoring/collection_registry.h",
         "lib/monitoring/counter.h",
-        "lib/monitoring/metric_def.h",
-        "lib/monitoring/mobile_counter.h",
-        "lib/monitoring/mobile_sampler.h",
         "lib/monitoring/sampler.h",
         "lib/random/distribution_sampler.h",
         "lib/random/philox_random.h",
@@ -1089,6 +1084,11 @@ cc_library(
         "lib/io/zlib_compression_options.h",
         "lib/io/zlib_inputstream.h",
         "lib/io/zlib_outputbuffer.h",
+        "lib/monitoring/collected_metrics.h",
+        "lib/monitoring/collection_registry.h",
+        "lib/monitoring/metric_def.h",
+        "lib/monitoring/mobile_counter.h",
+        "lib/monitoring/mobile_sampler.h",
         "lib/png/png_io.h",
         "lib/random/random.h",
         "lib/random/random_distributions.h",
@@ -1101,6 +1101,7 @@ cc_library(
         "platform/demangle.h",
         "platform/denormal.h",
         "platform/host_info.h",
+        "platform/monitoring.h",
         "platform/platform.h",
         "platform/protobuf_internal.h",
         "platform/tensor_coding.h",

tensorflow/core/platform/default/monitoring.cc

@@ -0,0 +1,24 @@
+/* Copyright 2016 The TensorFlow 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.
+==============================================================================*/
+
+#include "tensorflow/core/platform/monitoring.h"
+
+namespace tensorflow {
+namespace monitoring {
+
+void StartExporter() {}
+
+}  // namespace monitoring
+}  // namespace tensorflow

tensorflow/core/platform/monitoring.h

@@ -0,0 +1,30 @@
+/* Copyright 2016 The TensorFlow 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.
+==============================================================================*/
+
+#ifndef THIRD_PARTY_TENSORFLOW_CORE_PLATFORM_MONITORING_H_
+#define THIRD_PARTY_TENSORFLOW_CORE_PLATFORM_MONITORING_H_
+
+namespace tensorflow {
+namespace monitoring {
+
+// A hook to start periodically exporting metrics collected through our
+// monitoring API. The TensorFlow runtime will call this the first time a new
+// session is created using the NewSession method.
+void StartExporter();
+
+}  // namespace monitoring
+}  // namespace tensorflow
+
+#endif  // THIRD_PARTY_TENSORFLOW_CORE_PLATFORM_MONITORING_H_