34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
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// Copyright 2016 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef COMPONENTS_METRICS_SAMPLING_METRICS_PROVIDER_H_
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#define COMPONENTS_METRICS_SAMPLING_METRICS_PROVIDER_H_
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#include "components/metrics/metrics_provider.h"
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namespace metrics {
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// Provides metrics related to sampling of metrics reporting clients. In
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// particular, the rate at which clients are sampled.
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class SamplingMetricsProvider : public MetricsProvider {
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public:
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// |sampling_rate_per_mille| is the number of clients per 1000 that are in the
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// sample.
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explicit SamplingMetricsProvider(int sampling_rate_per_mille);
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~SamplingMetricsProvider() override = default;
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SamplingMetricsProvider(const SamplingMetricsProvider&) = delete;
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SamplingMetricsProvider operator=(const SamplingMetricsProvider&) = delete;
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private:
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// MetricsProvider:
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void ProvideStabilityMetrics(
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SystemProfileProto* system_profile_proto) override;
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int sampling_rate_per_mille_;
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};
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} // namespace metrics
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#endif // COMPONENTS_METRICS_SAMPLING_METRICS_PROVIDER_H_
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