1 | /* Copyright 2021 The TensorFlow Authors. All Rights Reserved. |
---|---|
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | #include "tensorflow/core/common_runtime/cost_util.h" |
17 | |
18 | #include <memory> |
19 | #include <string> |
20 | #include <utility> |
21 | #include <vector> |
22 | |
23 | #include "tensorflow/core/common_runtime/cost_measurement.h" |
24 | #include "tensorflow/core/common_runtime/cost_measurement_registry.h" |
25 | #include "tensorflow/core/common_runtime/request_cost_accessor_registry.h" |
26 | #include "tensorflow/core/platform/str_util.h" |
27 | |
28 | namespace tensorflow { |
29 | |
30 | namespace { |
31 | |
32 | // Gets the types of CostMeasurement from env. |
33 | std::vector<std::string> GetCostMeasurementTypes() { |
34 | const char* types = std::getenv("TF_COST_MEASUREMENT_TYPE"); |
35 | if (types == nullptr) return {}; |
36 | return str_util::Split(types, " ,"); |
37 | } |
38 | |
39 | // Gets the type of RequestCostAccessor from env. |
40 | const char* GetRequestCostAccessorType() { |
41 | static const char* accessor = std::getenv("TF_REQUEST_COST_ACCESSOR_TYPE"); |
42 | return accessor; |
43 | } |
44 | |
45 | } // namespace |
46 | |
47 | std::vector<std::unique_ptr<CostMeasurement>> CreateCostMeasurements( |
48 | const CostMeasurement::Context& context) { |
49 | static const std::vector<std::string>& types = |
50 | *new std::vector<std::string>(GetCostMeasurementTypes()); |
51 | |
52 | std::vector<std::unique_ptr<CostMeasurement>> measurements; |
53 | for (const auto& type : types) { |
54 | std::unique_ptr<CostMeasurement> measurement = |
55 | CostMeasurementRegistry::CreateByNameOrNull(type, context); |
56 | if (measurement != nullptr) { |
57 | measurements.push_back(std::move(measurement)); |
58 | } |
59 | } |
60 | return measurements; |
61 | } |
62 | |
63 | std::unique_ptr<RequestCostAccessor> CreateRequestCostAccessor() { |
64 | const char* request_cost_accessor_type = GetRequestCostAccessorType(); |
65 | return request_cost_accessor_type |
66 | ? RequestCostAccessorRegistry::CreateByNameOrNull( |
67 | request_cost_accessor_type) |
68 | : nullptr; |
69 | } |
70 | |
71 | } // namespace tensorflow |
72 |