chromium/third_party/blink/renderer/platform/scheduler/public/aggregated_metric_reporter.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_PUBLIC_AGGREGATED_METRIC_REPORTER_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_PUBLIC_AGGREGATED_METRIC_REPORTER_H_

#include <array>

#include "base/check_op.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/metrics/histogram.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"

namespace base {
class HistogramBase;
}

namespace blink {
namespace scheduler {

// A helper class to report metrics split by a specific type.
// This class aggregates smaller value and report when it's over threshold
// to avoid overflows.
//
// |TaskClass| is an enum which should have kCount field.
// All values reported to RecordTask should have lower values.
template <class TaskClass, class ValueType>
class AggregatedMetricReporter { … };

}  // namespace scheduler
}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_SCHEDULER_PUBLIC_AGGREGATED_METRIC_REPORTER_H_