text: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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.
   */
  
  /*!
   *  Copyright (c) 2019 by Contributors
   * \file src/runtime/vm/profiler/vm.h
   * \brief The Relay debug virtual machine.
   */
  
  #ifndef TVM_RUNTIME_VM_PROFILER_VM_H_
  #define TVM_RUNTIME_VM_PROFILER_VM_H_
  
  #include <tvm/runtime/vm.h>
  
  #include <memory>
  #include <string>
  #include <unordered_map>
  #include <vector>
  
  namespace tvm {
  namespace runtime {
  namespace vm {
  
  class VirtualMachineDebug : public VirtualMachine {
   public:
    VirtualMachineDebug() : VirtualMachine() {}
  
    PackedFunc GetFunction(const std::string& name,
                           const std::shared_ptr<ModuleNode>& sptr_to_self) final;
  
    void InvokePacked(Index packed_index, const PackedFunc& func, Index arg_count,
                      Index output_size, const std::vector<ObjectRef>& args) final;
  
    ~VirtualMachineDebug() {}
  
   private:
    void Init(const std::vector<TVMContext>& ctxs);
  
    std::unordered_map<Index, std::string> packed_index_map;
    std::unordered_map<Index, std::vector<double>> op_durations;
    std::unordered_map<Index, int> op_invokes;
  };
  
  }  // namespace vm
  }  // namespace runtime
  }  // namespace tvm
  
  #endif  // TVM_RUNTIME_VM_PROFILER_VM_H_
  