Class: Gonzui::PerformanceMonitor

Inherits:
Object
  • Object
show all
Defined in:
lib/gonzui/monitor.rb

Constant Summary collapse

@@performance_counters = 
{}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PerformanceMonitor

Returns a new instance of PerformanceMonitor.



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# File 'lib/gonzui/monitor.rb', line 16

def initialize
  @start_time = Time.now
  @elapsed_time = nil
  @finished_p = false
end

Class Method Details

.[](label) ⇒ Object 



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# File 'lib/gonzui/monitor.rb', line 38

def self.[] (label)
  @@performance_counters[label]
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gonzui/monitor.rb', line 42

def empty?
  @@performance_counters.empty?
end

#format(primary_label, *labels) ⇒ Object 



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# File 'lib/gonzui/monitor.rb', line 93

def format(primary_label, *labels)
  finish unless @finished_p

  label = build_label(*primary_label)
  primary_pc = Gonzui::PerformanceMonitor[label]
  return "" if primary_pc.nil?

  summary = primary_pc.summary(label, 1, @elapsed_time)
  labels.each {|label|
    label = build_label(*label)
    pc = Gonzui::PerformanceMonitor[label]
    next if pc.nil?
    summary  << pc.summary(label, 2, @elapsed_time)
    primary_pc.exclude(pc)
  }
  summary << primary_pc.rest_summary(:other, 2, @elapsed_time)
  summary << "\n"
  return summary
end

#heading ⇒ Object 



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# File 'lib/gonzui/monitor.rb', line 89

def heading
  return Gonzui::PerformanceCounter.heading
end

#profile(m, name) ⇒ Object 



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# File 'lib/gonzui/monitor.rb', line 46

def profile(m, name)
  label = build_label(m, name)
  if !@@performance_counters[label]
    @@performance_counters[label] = PerformanceCounter.new
    case m
    when Class
      eval <<"End"
      class #{m}
        alias orig_#{name} #{name}
        @@pc_#{name} = Gonzui::PerformanceMonitor["#{label}"]
        # redefine with profiler
        def #{name}(*args, &block)
          @@pc_#{name}.enter
          begin
            orig_#{name}(*args, &block)
          ensure
            @@pc_#{name}.leave
          end
        end
      end
End
    when Module
      eval <<"End"
      module #{m}
        alias orig_#{name} #{name}
        module_function :orig_#{name}
        # redefine with profiler
        def #{name}(*args, &block)
          pc = Gonzui::PerformanceMonitor["#{label}"]
          pc.enter
          begin
            orig_#{name}(*args, &block)
          ensure
            pc.leave
          end
        end
        module_function :#{name}
      end
End
    end
  end
end