Class: Upkeep::Capture::Request::ActionProfiler

Inherits:
Object
  • Object
show all
Defined in:
lib/upkeep/capture/request.rb

Constant Summary collapse

EVENT_MAP = 
{
  "sql.active_record" => :sql,
  "render_template.action_view" => :render_template,
  "render_partial.action_view" => :render_partial,
  "render_collection.action_view" => :render_collection
}.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ActionProfiler

Returns a new instance of ActionProfiler.



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# File 'lib/upkeep/capture/request.rb', line 111

def initialize
  @thread = Thread.current
  @timings = Hash.new(0.0)
  @counters = Hash.new(0)
end

Instance Attribute Details

#counters ⇒ Object (readonly)

Returns the value of attribute counters.



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# File 'lib/upkeep/capture/request.rb', line 109

def counters
  @counters
end

#timings ⇒ Object (readonly)

Returns the value of attribute timings.



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# File 'lib/upkeep/capture/request.rb', line 109

def timings
  @timings
end

Instance Method Details

#capture ⇒ Object 



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# File 'lib/upkeep/capture/request.rb', line 117

def capture
  callback = lambda do |name, started, finished, unique_id, payload|
    next unless Thread.current.equal?(@thread)

    event = ActiveSupport::Notifications::Event.new(name, started, finished, unique_id, payload)
    record(event)
  end

  ActiveSupport::Notifications.subscribed(callback, /\A(sql\.active_record|render_(template|partial|collection)\.action_view)\z/) do
    yield
  end
ensure
  @timings.transform_values! { |value| value.round(3) }
end