| Index: base/metrics/histogram_samples.h
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| diff --git a/base/metrics/histogram_samples.h b/base/metrics/histogram_samples.h
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| deleted file mode 100644
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| index 54185cf383ba02d25e5e586b2d69a9f822275db2..0000000000000000000000000000000000000000
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| --- a/base/metrics/histogram_samples.h
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| +++ /dev/null
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| @@ -1,88 +0,0 @@
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| -// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
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| -
|
| -#ifndef BASE_METRICS_HISTOGRAM_SAMPLES_H_
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| -#define BASE_METRICS_HISTOGRAM_SAMPLES_H_
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| -
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| -#include "base/basictypes.h"
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| -#include "base/metrics/histogram_base.h"
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| -#include "base/memory/scoped_ptr.h"
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| -
|
| -namespace base {
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| -
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| -class Pickle;
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| -class PickleIterator;
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| -class SampleCountIterator;
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| -
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| -// HistogramSamples is a container storing all samples of a histogram.
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| -class BASE_EXPORT HistogramSamples {
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| - public:
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| - HistogramSamples();
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| - virtual ~HistogramSamples();
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| -
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| - virtual void Accumulate(HistogramBase::Sample value,
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| - HistogramBase::Count count) = 0;
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| - virtual HistogramBase::Count GetCount(HistogramBase::Sample value) const = 0;
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| - virtual HistogramBase::Count TotalCount() const = 0;
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| -
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| - virtual void Add(const HistogramSamples& other);
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| -
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| - // Add from serialized samples.
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| - virtual bool AddFromPickle(PickleIterator* iter);
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| -
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| - virtual void Subtract(const HistogramSamples& other);
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| -
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| - virtual scoped_ptr<SampleCountIterator> Iterator() const = 0;
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| - virtual bool Serialize(Pickle* pickle) const;
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| -
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| - // Accessor fuctions.
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| - int64 sum() const { return sum_; }
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| - HistogramBase::Count redundant_count() const {
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| - return subtle::NoBarrier_Load(&redundant_count_);
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| - }
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| -
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| - protected:
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| - // Based on |op| type, add or subtract sample counts data from the iterator.
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| - enum Operator { ADD, SUBTRACT };
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| - virtual bool AddSubtractImpl(SampleCountIterator* iter, Operator op) = 0;
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| -
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| - void IncreaseSum(int64 diff);
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| - void IncreaseRedundantCount(HistogramBase::Count diff);
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| -
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| - private:
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| - int64 sum_;
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| -
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| - // |redundant_count_| helps identify memory corruption. It redundantly stores
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| - // the total number of samples accumulated in the histogram. We can compare
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| - // this count to the sum of the counts (TotalCount() function), and detect
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| - // problems. Note, depending on the implementation of different histogram
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| - // types, there might be races during histogram accumulation and snapshotting
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| - // that we choose to accept. In this case, the tallies might mismatch even
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| - // when no memory corruption has happened.
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| - HistogramBase::AtomicCount redundant_count_;
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| -};
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| -
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| -class BASE_EXPORT SampleCountIterator {
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| - public:
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| - virtual ~SampleCountIterator();
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| -
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| - virtual bool Done() const = 0;
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| - virtual void Next() = 0;
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| -
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| - // Get the sample and count at current position.
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| - // |min| |max| and |count| can be NULL if the value is not of interest.
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| - // Requires: !Done();
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| - virtual void Get(HistogramBase::Sample* min,
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| - HistogramBase::Sample* max,
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| - HistogramBase::Count* count) const = 0;
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| -
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| - // Get the index of current histogram bucket.
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| - // For histograms that don't use predefined buckets, it returns false.
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| - // Requires: !Done();
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| - virtual bool GetBucketIndex(size_t* index) const;
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| -};
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| -
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| -} // namespace base
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| -
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| -#endif // BASE_METRICS_HISTOGRAM_SAMPLES_H_
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