Class: Honeybadger::Histogram

Inherits:
Metric
  • Object
show all
Defined in:
lib/honeybadger/histogram.rb

Constant Summary collapse

DEFAULT_BINS = 
[0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5, 1.0, 2.5, 5.0, 10.0]
INFINITY =

not quite, but pretty much

1e20.to_f

Instance Attribute Summary

Attributes inherited from Metric

#attributes, #name, #samples

Instance Method Summary collapse

Methods inherited from Metric

#base_payload, #event_payloads, #initialize, #metric_type, metric_type, register, signature, #signature

Constructor Details

This class inherits a constructor from Honeybadger::Metric

Instance Method Details

#bins ⇒ Object 



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# File 'lib/honeybadger/histogram.rb', line 31

def bins
  @attributes.fetch(:bins, DEFAULT_BINS).sort
end

#find_bin(value) ⇒ Object 



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# File 'lib/honeybadger/histogram.rb', line 25

def find_bin(value)
  bin = bins.find {|b| b >= value  }
  bin = INFINITY if bin.nil?
  bin
end

#payloads ⇒ Object 



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# File 'lib/honeybadger/histogram.rb', line 35

def payloads
  [{
    total: @total,
    min: @min,
    max: @max,
    avg: @avg,
    latest: @latest,
    bins: (bins + [INFINITY]).map { |bin| [bin.to_f, @bin_counts[bin]] }
  }]
end

#record(value) ⇒ Object 



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# File 'lib/honeybadger/histogram.rb', line 8

def record(value)
  return unless value

  @samples += 1

  @total ||= 0
  @total = @total + value

  @min = value if @min.nil? || @min > value
  @max = value if @max.nil? || @max < value
  @avg = @total.to_f / @samples
  @latest = value

  @bin_counts ||= Hash.new(0)
  @bin_counts[find_bin(value)] += 1
end