fixed the performance suite

Rakefile

@@ -27,7 +27,7 @@ namespace :benchmark do
 
   desc "Run the liquid benchmark"
   task :run do
-    ruby "performance/benchmark.rb"
+    ruby "./performance/benchmark.rb"
   end
 
 end
@@ -37,12 +37,12 @@ namespace :profile do
 
   desc "Run the liquid profile/performance coverage"
   task :run do
-    ruby "performance/profile.rb"
+    ruby "./performance/profile.rb"
   end
 
   desc "Run KCacheGrind"
   task :grind => :run  do
-    system "kcachegrind /tmp/liquid.rubyprof_calltreeprinter.txt"
+    system "qcachegrind /tmp/liquid.rubyprof_calltreeprinter.txt"
   end
 
 end

performance/profile.rb

@@ -6,14 +6,14 @@ profiler = ThemeRunner.new
 
 puts 'Running profiler...'
 
-results  = profiler.run(true)
+results  = profiler.run
 
 puts 'Success'
 puts
 
 [RubyProf::FlatPrinter, RubyProf::GraphPrinter, RubyProf::GraphHtmlPrinter, RubyProf::CallTreePrinter].each do |klass|
-  filename = (ENV['TMP'] || '/tmp') + (klass.name.include?('Html') ? "/liquid.#{klass.name.downcase}.html" : "/liquid.#{klass.name.downcase}.txt")
+  filename = (ENV['TMP'] || '/tmp') + (klass.name.include?('Html') ? "/liquid.#{klass.name.downcase}.html" : "/callgrind.liquid.#{klass.name.downcase}.txt")
   filename.gsub!(/:+/, '_')
-  File.open(filename, "w+") { |fp| klass.new(results).print(fp) }
+  File.open(filename, "w+") { |fp| klass.new(results).print(fp, :print_file => true) }
   $stderr.puts "wrote #{klass.name} output to #{filename}"
 end

performance/theme_runner.rb

@@ -28,8 +28,8 @@ class ThemeRunner
   end  
 
 
-  def run(profile = false)
+  def run()
-    RubyProf.measure_mode = RubyProf::WALL_TIME if profile
+    RubyProf.measure_mode = RubyProf::WALL_TIME
 
     # Dup assigns because will make some changes to them
     assigns = Database.tables.dup
@@ -40,26 +40,27 @@ class ThemeRunner
       html = nil
       page_template = File.basename(template_name, File.extname(template_name))
 
-      # Profile compiling and rendering both
+      unless @started
-      
+        RubyProf.start
-      if profile
+        RubyProf.pause
-
+        @started = true
-        RubyProf.resume do 
-          html = compile_and_render(liquid, layout, assigns, page_template) 
-        end 
-
-      else
-        html = compile_and_render(liquid, layout, assigns, page_template) 
       end
 
+      html = nil
+
+      RubyProf.resume
+      html = compile_and_render(liquid, layout, assigns, page_template) 
+      RubyProf.pause
+      
+
       # return the result and the MD5 of the content, this can be used to detect regressions between liquid version
-      $stdout.puts "* rendered template %s, content: %s" % [template_name, Digest::MD5.hexdigest(html)] if profile
+      $stdout.puts "* rendered template %s, content: %s" % [template_name, Digest::MD5.hexdigest(html)]
  
       # Uncomment to dump html files to /tmp so that you can inspect for errors
       # File.open("/tmp/#{File.basename(template_name)}.html", "w+") { |fp| fp <<html}
     end
 
-    RubyProf.stop if profile
+    RubyProf.stop
   end
 
   def compile_and_render(template, layout, assigns, page_template)