Class: Metriks::Timer

Inherits:
Object
  • Object
show all
Defined in:
lib/metriks/timer.rb

Direct Known Subclasses

UtilizationTimer

Defined Under Namespace

Classes: Context

Instance Method Summary collapse

Constructor Details

#initialize(histogram = Metriks::Histogram.new_exponentially_decaying) ⇒ Timer

Returns a new instance of Timer.



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# File 'lib/metriks/timer.rb', line 25

def initialize(histogram = Metriks::Histogram.new_exponentially_decaying)
  @meter     = Metriks::Meter.new
  @histogram = histogram
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/metriks/timer.rb', line 30

def clear
  @meter.clear
  @histogram.clear
end

#count ⇒ Object 



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# File 'lib/metriks/timer.rb', line 61

def count
  @histogram.count
end

#fifteen_minute_rate ⇒ Object 



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# File 'lib/metriks/timer.rb', line 77

def fifteen_minute_rate
  @meter.fifteen_minute_rate
end

#five_minute_rate ⇒ Object 



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# File 'lib/metriks/timer.rb', line 73

def five_minute_rate
  @meter.five_minute_rate
end

#max ⇒ Object 



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# File 'lib/metriks/timer.rb', line 89

def max
  @histogram.max
end

#mean ⇒ Object 



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# File 'lib/metriks/timer.rb', line 93

def mean
  @histogram.mean
end

#mean_rate ⇒ Object 



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# File 'lib/metriks/timer.rb', line 81

def mean_rate
  @meter.mean_rate
end

#min ⇒ Object 



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# File 'lib/metriks/timer.rb', line 85

def min
  @histogram.min
end

#one_minute_rate ⇒ Object 



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# File 'lib/metriks/timer.rb', line 69

def one_minute_rate
  @meter.one_minute_rate
end

#snapshot ⇒ Object 



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# File 'lib/metriks/timer.rb', line 57

def snapshot
  @histogram.snapshot
end

#stddev ⇒ Object 



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# File 'lib/metriks/timer.rb', line 97

def stddev
  @histogram.stddev
end

#stop ⇒ Object 



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# File 'lib/metriks/timer.rb', line 101

def stop
  @meter.stop
end

#sum ⇒ Object 



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# File 'lib/metriks/timer.rb', line 65

def sum
  @histogram.sum
end

#time(callable = nil, &block) ⇒ Object 



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# File 'lib/metriks/timer.rb', line 42

def time(callable = nil, &block)
  callable ||= block
  context = Context.new(self)

  if callable.nil?
    return context
  end

  begin
    return callable.call
  ensure
    context.stop
  end
end

#update(duration) ⇒ Object 



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# File 'lib/metriks/timer.rb', line 35

def update(duration)
  if duration >= 0
    @meter.mark
    @histogram.update(duration)
  end
end