Class: ScoutRails::TransactionSample

Inherits:
Object
  • Object
show all
Defined in:
lib/scout_rails/transaction_sample.rb

Constant Summary collapse

BACKTRACE_THRESHOLD =

the minimum threshold to record the backtrace for a metric.

0.5
BACKTRACE_LIMIT =

Max length of callers to display

5
MAX_SIZE =

Limits the size of the metric hash to prevent a metric explosion.

100

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uri, metric_name, total_call_time, metrics) ⇒ TransactionSample

Returns a new instance of TransactionSample.



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# File 'lib/scout_rails/transaction_sample.rb', line 22

def initialize(uri,metric_name,total_call_time,metrics)
  @uri = uri
  @metric_name = metric_name
  @total_call_time = total_call_time
  @metrics = metrics
end

Instance Attribute Details

#meta ⇒ Object (readonly)

Returns the value of attribute meta.



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# File 'lib/scout_rails/transaction_sample.rb', line 5

def meta
  @meta
end

#metric_name ⇒ Object (readonly)

Returns the value of attribute metric_name.



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# File 'lib/scout_rails/transaction_sample.rb', line 5

def metric_name
  @metric_name
end

#metrics ⇒ Object (readonly)

Returns the value of attribute metrics.



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# File 'lib/scout_rails/transaction_sample.rb', line 5

def metrics
  @metrics
end

#total_call_time ⇒ Object (readonly)

Returns the value of attribute total_call_time.



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# File 'lib/scout_rails/transaction_sample.rb', line 5

def total_call_time
  @total_call_time
end

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/scout_rails/transaction_sample.rb', line 5

def uri
  @uri
end

Class Method Details

.backtrace_parser(backtrace) ⇒ Object

Given a call stack, generates a filtered backtrace that:

  • Limits to the app/models, app/controllers, or app/views directories

  • Limits to 5 total callers

  • Makes the app folder the top-level folder used in trace info



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# File 'lib/scout_rails/transaction_sample.rb', line 11

def self.backtrace_parser(backtrace)
  stack = []
  backtrace.each do |c|
    if m=c.match(/(\/app\/(controllers|models|views)\/.+)/)
      stack << m[1]
      break if stack.size == BACKTRACE_LIMIT
    end
  end
  stack
end