src/dctv/perf.h

// Copyright (C) 2020 The Android Open Source Project
//
// 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.
#pragma once
#include "dctv.h"
#include "pyutil.h"

#include <stdint.h>
#include <ctime>
#include <boost/operators.hpp>

namespace dctv {
namespace perf {

struct Sample :
      boost::addable<Sample>,
      boost::subtractable<Sample>
{
  uint64_t monotonic_ns = 0;
  unique_pyref to_py() const;
  inline Sample& operator+=(const Sample& other);
  inline Sample& operator-=(const Sample& other);
};

struct Sampler {
  Sampler();
  Sample sample() const;
};

}  // namespace perf

void init_perf(pyref m);

}  // namespace dctv

#include "perf-inl.h"