chromium/base/sampling_heap_profiler/sampling_heap_profiler.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_SAMPLING_HEAP_PROFILER_SAMPLING_HEAP_PROFILER_H_
#define BASE_SAMPLING_HEAP_PROFILER_SAMPLING_HEAP_PROFILER_H_

#include <atomic>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#include "base/base_export.h"
#include "base/no_destructor.h"
#include "base/sampling_heap_profiler/poisson_allocation_sampler.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "base/threading/thread_id_name_manager.h"

namespace base {

// The class implements sampling profiling of native memory heap.
// It uses PoissonAllocationSampler to aggregate the heap allocations and
// record samples.
// The recorded samples can then be retrieved using GetSamples method.
class BASE_EXPORT SamplingHeapProfiler
    : private PoissonAllocationSampler::SamplesObserver,
      public base::ThreadIdNameManager::Observer { … };

}  // namespace base

#endif  // BASE_SAMPLING_HEAP_PROFILER_SAMPLING_HEAP_PROFILER_H_