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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/histogram.h"
#include "base/metrics/histogram.h"
#include "base/metrics/sparse_histogram.h"
#include "base/numerics/safe_conversions.h"
namespace blink {
CustomCountHistogram::CustomCountHistogram(const char* name,
base::HistogramBase::Sample min,
base::HistogramBase::Sample max,
int32_t bucket_count) {
histogram_ = base::Histogram::FactoryGet(
name, min, max, bucket_count,
base::HistogramBase::kUmaTargetedHistogramFlag);
}
CustomCountHistogram::CustomCountHistogram(base::HistogramBase* histogram)
: histogram_(histogram) {}
void CustomCountHistogram::Count(base::HistogramBase::Sample sample) {
histogram_->Add(sample);
}
void CustomCountHistogram::CountMicroseconds(base::TimeDelta delta) {
Count(base::saturated_cast<base::HistogramBase::Sample>(
delta.InMicroseconds()));
}
BooleanHistogram::BooleanHistogram(const char* name)
: CustomCountHistogram(base::BooleanHistogram::FactoryGet(
name,
base::HistogramBase::kUmaTargetedHistogramFlag)) {}
EnumerationHistogram::EnumerationHistogram(
const char* name,
base::HistogramBase::Sample boundary_value)
: CustomCountHistogram(base::LinearHistogram::FactoryGet(
name,
1,
boundary_value,
boundary_value + 1,
base::HistogramBase::kUmaTargetedHistogramFlag)) {}
SparseHistogram::SparseHistogram(const char* name) {
histogram_ = base::SparseHistogram::FactoryGet(
name, base::HistogramBase::kUmaTargetedHistogramFlag);
}
void SparseHistogram::Sample(base::HistogramBase::Sample sample) {
histogram_->Add(sample);
}
LinearHistogram::LinearHistogram(const char* name,
base::HistogramBase::Sample min,
base::HistogramBase::Sample max,
int32_t bucket_count)
: CustomCountHistogram(base::LinearHistogram::FactoryGet(
name,
min,
max,
bucket_count,
base::HistogramBase::kUmaTargetedHistogramFlag)) {}
} // namespace blink
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