Class: ZenProfiler

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/zenprofile.rb

Constant Summary collapse

@@start = 
@@stack = @@map = nil

Class Method Summary collapse

Class Method Details



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# File 'lib/zenprofile.rb', line 23

def self.print_profile(f)
  stop_profile
  total = self.instance.time_now - @@start
  if total == 0 then total = 0.01 end
  @@map["#toplevel"][1] = total
  data = @@map.values
  data.sort!{|a,b| b[2] <=> a[2]} # TODO: change to sort_by
  sum = 0

  f.printf "  %%   cumulative   self              self     total\n"           
  f.printf " time   seconds   seconds    calls  ms/call  ms/call  name\n"
  for d in data
    sum += d[2]
    klass = d[3].first
    meth  = d[3].last.to_s

    signature = if klass.nil?
                  meth
                elsif klass.kind_of?(Class)
                  klass.to_s.sub(/#<\S+:(\S+)>/, '\\1') + "#" + meth
                else
                  klass.class.name + "." + meth
                end

    f.printf "%6.2f %8.2f  %8.2f %8d ", d[2]/total*100, sum, d[2], d[0]
    f.printf "%8.2f %8.2f  %s\n", d[2]*1000/d[0], d[1]*1000/d[0], signature
  end
end

.start_profile ⇒ Object 



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# File 'lib/zenprofile.rb', line 12

def self.start_profile
  @@start = self.instance.time_now
  @@stack = [[0, 0, [nil, :toplevel]], [0, 0, [nil, :dummy]]]
  @@map = {"#toplevel" => [1, 0.0, 0.0, [nil, "#toplevel"]]}
  self.instance.add_event_hook
end

.stop_profile ⇒ Object 



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# File 'lib/zenprofile.rb', line 19

def self.stop_profile
  self.instance.remove_event_hook
end