src/hotspot/share/gc/g1/g1Analytics.hpp

rev 56992 : imported patch 8227739-merge-scan-rs-update-rs-cost
rev 56993 : [mq]: 8227739-sjohanss-review

*** 78,87 ****
--- 78,91 ----
    // The ratio of gc time to elapsed time, computed over recent pauses,
    // and the ratio for just the last pause.
    double _recent_avg_pause_time_ratio;
    double _last_pause_time_ratio;
  
+   // Returns whether the sequence have enough samples to get a "good" prediction.
+   // The constant used is random but "small".
+   bool enough_samples_available(TruncatedSeq const* seq) const { return seq->num() >= 3; }
+ 
    double get_new_prediction(TruncatedSeq const* seq) const;
    size_t get_new_size_prediction(TruncatedSeq const* seq) const;
  
  public:
    G1Analytics(const G1Predictions* predictor);