Performance.hpp

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#pragma once
 
#include <prometheus/registry.h>
 
class PerformanceTracker {
  private:
    std::chrono::high_resolution_clock::time_point _startTime; 
    prometheus::Summary *_perfTiming;                          
    prometheus::Gauge *_maxTiming;                             
    prometheus::Gauge *_minTiming;                             
 
  public:
    PerformanceTracker(const std::shared_ptr<prometheus::Registry> &reg, const std::string &name,
                       uint64_t metricID = 0);
 
    void startTimer();
 
    double endTimer();
};
 
class TrackPerformance {
  private:
    PerformanceTracker &_tracker; 
 
  public:
    explicit TrackPerformance(PerformanceTracker &tracker) : _tracker(tracker) { _tracker.startTimer(); }
 
    ~TrackPerformance() { _tracker.endTimer(); }
 
    // Non-copyable and non-movable
    TrackPerformance(const TrackPerformance & /*unused*/) = delete;
    TrackPerformance(TrackPerformance && /*unused*/) = delete;
    TrackPerformance &operator=(const TrackPerformance & /*unused*/) = delete;
    TrackPerformance &operator=(TrackPerformance && /*unused*/) = delete;
};