profiler.h

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/******************************************************************************
 * Copyright 2023 The Apollo 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 CYBER_PROFILER_PROFILER_H_
#define CYBER_PROFILER_PROFILER_H_
 
#include "cyber/profiler/block.h"
#include "cyber/profiler/block_manager.h"
 
namespace apollo {
namespace cyber {
namespace profiler {
 
#if ENABLE_PROFILER
 
#if defined(__GNUC__) || defined(__GNUG__)
#define AFUNC __PRETTY_FUNCTION__
#elif defined(__clang__)
#define AFUNC __PRETTY_FUNCTION__
#else
#define AFUNC __func__
#endif
 
#define TOKEN_JOIN(x, y) x ## y
#define UNIQUE_NAME(x) TOKEN_JOIN(prefix_perf, x)
 
#define PERF_BLOCK(name, ...)                                    \
  apollo::cyber::profiler::Block UNIQUE_NAME(__LINE__)(name);    \
  apollo::cyber::profiler::BlockManager::Instance()->StartBlock( \
      &UNIQUE_NAME(__LINE__));
 
#define PERF_BLOCK_END \
  apollo::cyber::profiler::BlockManager::Instance()->EndBlock();
 
#define PERF_FUNCTION(...) PERF_BLOCK(AFUNC, ## __VA_ARGS__)
 
#else
 
#define PERF_BLOCK(...)
#define PERF_BLOCK_END
#define PERF_FUNCTION(...)
 
#endif  // #if ENABLE_PROFILER
 
}  // namespace profiler
}  // namespace cyber
}  // namespace apollo
 
#endif  // CYBER_PROFILER_PROFILER_H_