Class: ModernTimes::TimeTrack

Inherits:
Object
  • Object
show all
Defined in:
lib/modern_times/time_track.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TimeTrack

Returns a new instance of TimeTrack.



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# File 'lib/modern_times/time_track.rb', line 7

def initialize
  @mutex = Mutex.new
  @total_count = 0
  @last_time   = 0.0
  reset
end

Instance Attribute Details

#last_time ⇒ Object (readonly)

Returns the value of attribute last_time.



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# File 'lib/modern_times/time_track.rb', line 5

def last_time
  @last_time
end

#max_time ⇒ Object (readonly)

Returns the value of attribute max_time.



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# File 'lib/modern_times/time_track.rb', line 5

def max_time
  @max_time
end

#time_count ⇒ Object (readonly)

Returns the value of attribute time_count.



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# File 'lib/modern_times/time_track.rb', line 5

def time_count
  @time_count
end

#total_count ⇒ Object (readonly)

Returns the value of attribute total_count.



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# File 'lib/modern_times/time_track.rb', line 5

def total_count
  @total_count
end

Instance Method Details

#avg_time ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 46

def avg_time
  @mutex.synchronize do
    return 0.0 if @time_count == 0
    @total_time / @time_count
  end
end

#max_time_reset ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 72

def max_time_reset
  @mutex.synchronize do
    val = @max_time
    @max_time = 0.0
    return val
  end
end

#min_time ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 42

def min_time
  @min_time || 0.0
end

#min_time_reset ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 64

def min_time_reset
  @mutex.synchronize do
    val = @min_time || 0.0
    @min_time = nil
    return val
  end
end

#perform ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 23

def perform
  answer = nil
  @last_time = Benchmark.realtime { answer = yield }
  @mutex.synchronize do
    @total_count += 1
    @time_count  += 1
    @total_time  += @last_time
    @min_time = @last_time if !@min_time || @last_time < @min_time
    @max_time = @last_time if @last_time > @max_time
  end
  answer
end

#reset ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 14

def reset
  @mutex.synchronize do
    @time_count  = 0
    @min_time    = nil
    @max_time    = 0.0
    @total_time  = 0.0
  end
end

#to_s ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 80

def to_s
  "sample=#{@time_count} min=#{('%.1f' % (1000*min_time))}ms max=#{('%.1f' % (1000*max_time))}ms avg=#{('%.1f' % (1000*avg_time))}ms"
end

#total_time ⇒ Object 



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# File 'lib/modern_times/time_track.rb', line 36

def total_time
  @mutex.synchronize do
    [@time_count, @total_time]
  end
end

#total_time_reset ⇒ Object

Return the total time and reset it. Kind of hackish but allows for tools like Hyperic to poll these values in an xml attribute setup.



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# File 'lib/modern_times/time_track.rb', line 55

def total_time_reset
  @mutex.synchronize do
    retval = [@time_count, @total_time]
    @time_count = 0
    @total_time = 0.0
    return retval
  end
end