/**
 * Copyright 2019-2020 Huawei Technologies Co., Ltd
 *
 * 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 GE_HYBRID_EXECUTOR_HYBRID_PROFILER_H_
#define GE_HYBRID_EXECUTOR_HYBRID_PROFILER_H_

#include <atomic>
#include <chrono>
#include <mutex>
#include <ostream>
#include <string>
#include <vector>

namespace ge {
namespace hybrid {
class HybridProfiler {
 public:
  enum EventType {
    GENERAL,
    SHAPE_INFERENCE,
    COMPILE,
    EXECUTION,
    CALLBACKS
  };

  struct Event {
    std::chrono::system_clock::time_point timestamp;
    EventType event_type;
    std::string desc;
  };

  HybridProfiler();
  ~HybridProfiler() = default;

  void RecordEvent(EventType event_type, const char *fmt, ...);

  void Reset();

  void Dump(std::ostream &os);

 private:
  std::vector<Event> events_;
  std::atomic_int counter_;
};
}  // namespace hybrid
}  // namespace ge
#endif // GE_HYBRID_EXECUTOR_HYBRID_PROFILER_H_