xref: /aosp_15_r20/external/tensorflow/tensorflow/core/runtime_fallback/runtime/op_logger.h (revision b6fb3261f9314811a0f4371741dbb8839866f948)
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 // This file defines a logger for op names.
17 
18 #ifndef TENSORFLOW_CORE_RUNTIME_FALLBACK_RUNTIME_OP_KERNEL_H_
19 #define TENSORFLOW_CORE_RUNTIME_FALLBACK_RUNTIME_OP_KERNEL_H_
20 
21 #include <memory>
22 
23 #include "absl/memory/memory.h"
24 #include "llvm/ADT/ArrayRef.h"
25 #include "llvm/ADT/StringRef.h"
26 #include "tfrt/host_context/shared_context.h"  // from @tf_runtime
27 #include "tfrt/support/concurrent_vector.h"  // from @tf_runtime
28 #include "tfrt/support/forward_decls.h"  // from @tf_runtime
29 
30 namespace tfrt {
31 class HostContext;
32 }
33 
34 namespace tensorflow {
35 namespace tfd {
36 
37 class OpLogger : public tfrt::SharedContext {
38  public:
OpLogger(tfrt::HostContext * host)39   explicit OpLogger(tfrt::HostContext* host)
40       : op_names_(std::make_unique<tfrt::ConcurrentVector<std::string>>(8)) {}
41 
LogOp(tfrt::string_view op_name)42   void LogOp(tfrt::string_view op_name) {
43     op_names_->emplace_back(op_name.str());
44   }
45 
GetLoggedOps()46   tfrt::ArrayRef<std::string> GetLoggedOps() const {
47     return op_names_->ToArrayRef();
48   }
49 
50   // Cannot be called concurrently with any API in this class.
Clear()51   void Clear() {
52     op_names_ = std::make_unique<tfrt::ConcurrentVector<std::string>>(8);
53   }
54 
55  private:
56   std::unique_ptr<tfrt::ConcurrentVector<std::string>> op_names_;
57 };
58 
59 }  // namespace tfd
60 }  // namespace tensorflow
61 
62 #endif  // TENSORFLOW_CORE_RUNTIME_FALLBACK_RUNTIME_OP_KERNEL_H_
63