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DerivedMetrics.h
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66 lines (54 loc) · 1.88 KB
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// Copyright 2019-2020 CERN and copyright holders of ALICE O2.
// See https://alice-o2.web.cern.ch/copyright for details of the copyright holders.
// All rights not expressly granted are reserved.
//
// This software is distributed under the terms of the GNU General Public
// License v3 (GPL Version 3), copied verbatim in the file "COPYING".
//
// In applying this license CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
///
/// \file DerivedMetrics.h
/// \author Adam Wegrzynek <adam.wegrzynek@cern.ch>
///
#ifndef ALICEO2_MONITORING_CORE_DERIVED_METRICS_H
#define ALICEO2_MONITORING_CORE_DERIVED_METRICS_H
#include <chrono>
#include <unordered_map>
#include <memory>
#include <string>
#include <vector>
#include "Monitoring/Metric.h"
namespace o2
{
/// ALICE O2 Monitoring system
namespace monitoring
{
/// Available derived metric modes
enum class DerivedMetricMode { RATE,
INCREMENT,
NONE,
SUPPRESS };
/// \brief Enables Calculation of derived metrics
///
/// Calculates derived metrics such as rate or increment values... (available modes are enumerated in DerivedMetricMode class)
/// For this purpose metrics are stored in a container.
class DerivedMetrics
{
public:
/// Default constructor
DerivedMetrics() = default;
/// Default destructor
~DerivedMetrics() = default;
/// Entry method to DerivedMetrics
/// Switches over processing modes: rate and increment
bool process(Metric& metric, DerivedMetricMode mode);
static std::chrono::seconds mSuppressTimeout;
private:
/// Metrics store necessary for derived metrics
std::unordered_map<std::string, Metric> mStorage;
};
} // namespace monitoring
} // namespace o2
#endif // ALICEO2_MONITORING_CORE_DERIVED_METRICS_H