Class: Profiler::Collectors::PerformanceCollector

Inherits:
BaseCollector
  • Object
show all
Defined in:
lib/profiler/collectors/performance_collector.rb

Instance Attribute Summary

Attributes inherited from BaseCollector

#profile

Instance Method Summary collapse

Methods inherited from BaseCollector

descendants, #has_data?, inherited, #name, #panel_content, #render_html, #render_mode

Constructor Details

#initialize(profile) ⇒ PerformanceCollector

Returns a new instance of PerformanceCollector.



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# File 'lib/profiler/collectors/performance_collector.rb', line 9

def initialize(profile)
  super
  @events = []
  @subscriptions = []
end

Instance Method Details

#collect ⇒ Object 



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# File 'lib/profiler/collectors/performance_collector.rb', line 80

def collect
  # Unsubscribe from all notifications
  @subscriptions.each { |sub| ActiveSupport::Notifications.unsubscribe(sub) }

  data = {
    total_events: @events.size,
    total_duration: @events.sum(&:duration).round(2),
    events: @events.map(&:to_h)
  }

  store_data(data)
end

#icon ⇒ Object 



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# File 'lib/profiler/collectors/performance_collector.rb', line 15

def icon
  "⚡"
end

#priority ⇒ Object 



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# File 'lib/profiler/collectors/performance_collector.rb', line 19

def priority
  30
end

#subscribe ⇒ Object 



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# File 'lib/profiler/collectors/performance_collector.rb', line 34

def subscribe
  return unless defined?(ActiveSupport::Notifications)

  # Subscribe to controller processing
  @subscriptions << ActiveSupport::Notifications.monotonic_subscribe("process_action.action_controller") do |name, started, finished, unique_id, payload|
    @events << Models::TimelineEvent.new(
      name: "Controller: #{payload[:controller]}##{payload[:action]}",
      started_at: started,
      finished_at: finished,
      payload: {
        controller: payload[:controller],
        action: payload[:action],
        format: payload[:format],
        method: payload[:method],
        path: payload[:path],
        status: payload[:status]
      }
    )
  end

  # Subscribe to view rendering
  @subscriptions << ActiveSupport::Notifications.monotonic_subscribe("render_template.action_view") do |name, started, finished, unique_id, payload|
    @events << Models::TimelineEvent.new(
      name: "Render: #{payload[:identifier]}",
      started_at: started,
      finished_at: finished,
      payload: {
        identifier: payload[:identifier],
        layout: payload[:layout]
      }
    )
  end

  # Subscribe to partial rendering
  @subscriptions << ActiveSupport::Notifications.monotonic_subscribe("render_partial.action_view") do |name, started, finished, unique_id, payload|
    @events << Models::TimelineEvent.new(
      name: "Partial: #{payload[:identifier]}",
      started_at: started,
      finished_at: finished,
      payload: {
        identifier: payload[:identifier]
      }
    )
  end
end

#tab_config ⇒ Object 



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# File 'lib/profiler/collectors/performance_collector.rb', line 23

def tab_config
  {
    key: "performance",
    label: "Performance",
    icon: icon,
    priority: priority,
    enabled: true,
    default_active: false
  }
end

#toolbar_summary ⇒ Object 



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# File 'lib/profiler/collectors/performance_collector.rb', line 93

def toolbar_summary
  duration = @events.sum(&:duration).round(2)

  {
    text: "#{@events.size} events (#{duration}ms)",
    color: "blue"
  }
end