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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 "components/metrics/sampling_metrics_provider.h"
- #include "base/metrics/histogram_base.h"
- #include "base/metrics/sparse_histogram.h"
- #include "components/metrics/metrics_provider.h"
- namespace metrics {
- SamplingMetricsProvider::SamplingMetricsProvider(int sampling_rate_per_mille)
- : sampling_rate_per_mille_(sampling_rate_per_mille) {}
- void SamplingMetricsProvider::ProvideStabilityMetrics(
- SystemProfileProto* system_profile_proto) {
- base::HistogramBase* histogram = base::SparseHistogram::FactoryGet(
- "UMA.SamplingRatePerMille",
- base::HistogramBase::kUmaStabilityHistogramFlag);
- histogram->Add(sampling_rate_per_mille_);
- }
- } // namespace metrics
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