Class: HeimdallApm::MetricStats

Inherits:
Object
  • Object
show all
Defined in:
lib/heimdall_apm/metric_stats.rb

Overview

Stats associated with a single metric (used in metrics Hashs as value where keys are the metrics names)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scoped: false) ⇒ MetricStats

If this metric is scoped inside another, use exclusive time for min/max. Non-scoped metrics (like Controller) track the total call time.



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# File 'lib/heimdall_apm/metric_stats.rb', line 14

def initialize(scoped: false)
  @scoped = scoped
  @call_count = 0
  @total_call_time = 0.0
  @total_exclusive_time = 0.0
  @min_call_time = 0.0
  @max_call_time = 0.0
end

Instance Attribute Details

#call_count ⇒ Object

Returns the value of attribute call_count.



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# File 'lib/heimdall_apm/metric_stats.rb', line 6

def call_count
  @call_count
end

#max_call_time ⇒ Object

Returns the value of attribute max_call_time.



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# File 'lib/heimdall_apm/metric_stats.rb', line 10

def max_call_time
  @max_call_time
end

#min_call_time ⇒ Object

Returns the value of attribute min_call_time.



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# File 'lib/heimdall_apm/metric_stats.rb', line 9

def min_call_time
  @min_call_time
end

#total_call_time ⇒ Object

Returns the value of attribute total_call_time.



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# File 'lib/heimdall_apm/metric_stats.rb', line 7

def total_call_time
  @total_call_time
end

#total_exclusive_time ⇒ Object

Returns the value of attribute total_exclusive_time.



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# File 'lib/heimdall_apm/metric_stats.rb', line 8

def total_exclusive_time
  @total_exclusive_time
end

Instance Method Details

#update(call_time, exclusive_time = nil) ⇒ Object 



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# File 'lib/heimdall_apm/metric_stats.rb', line 23

def update(call_time, exclusive_time = nil)
  self.call_count += 1
  self.total_call_time += call_time
  self.total_exclusive_time += exclusive_time

  t = @scoped ? exclusive_time : call_time
  self.min_call_time = t if call_count == 0 || t < min_call_time
  self.max_call_time = t if t > max_call_time
end