| // 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/instrumentation/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::CountMany(base::HistogramBase::Sample sample, |
| int count) { |
| histogram_->AddCount(sample, count); |
| } |
| |
| void CustomCountHistogram::CountMicroseconds(base::TimeDelta delta) { |
| Count(base::saturated_cast<base::HistogramBase::Sample>( |
| delta.InMicroseconds())); |
| } |
| |
| } // namespace blink |
