make it load with all relative[ly absolute] paths for its requires so…

… that it can be used to benchmark rubygems startup overhead, too

README.rdoc

@@ -120,6 +120,20 @@ The third way of using ruby-prof is by requiring unprof.rb:
 This will start profiling immediately at that point and will output the results
 using a flat profile report after the process ends.
 
+
+== Benchmarking full load time ==
+
+If you want to get a more accurate measurement of what takes a gem's bin/xxx
+command its time to load, you may want to also measure rubygems' startup penalty.
+You can do this by calling into bin/ruby-prof directly, ex:
+
+
+$ ruby C:/installs/Ruby187/lib/ruby/gems/1.8/gems/ruby-prof-0.10.0/bin/ruby-prof D:\Ruby192\bin\ruby-prof
+
+or
+
+$ ruby C:/installs/Ruby187/lib/ruby/gems/1.8/gems/ruby-prof-0.10.0/bin/ruby-prof some_file_that_does_a_require_rubygems_at_the_beginning
+
 == Method Elimination
 
 Starting with release 0.9.0, ruby-prof supports eliminating methods from profiling

bin/ruby-prof

@@ -128,9 +128,9 @@ opts = OptionParser.new do |opts|
   end
 
   opts.on("-v","Show version, set $VERBOSE to true, profile script") do
-      puts "ruby_prof " + RubyProf::VERSION
-      puts "ruby " + RUBY_DESCRIPTION
-      $VERBOSE= true
+      puts "ruby_prof version: " + RubyProf::VERSION
+      puts "ruby version: " + RUBY_DESCRIPTION
+      $VERBOSE = true
   end
 
   opts.on("-d", "Set $DEBUG to true") do

lib/ruby-prof/call_stack_printer.rb

@@ -1,4 +1,3 @@
-require 'ruby-prof/abstract_printer'
 require 'erb'
 require 'fileutils'
 

lib/ruby-prof/call_tree_printer.rb

@@ -1,4 +1,3 @@
-require 'ruby-prof/abstract_printer'
 
 module RubyProf
   # Generate profiling information in calltree format

lib/ruby-prof/dot_printer.rb

@@ -1,5 +1,4 @@
 require 'set'
-require 'ruby-prof/abstract_printer'
 
 module RubyProf
   # Generates a graphviz graph in dot format.

lib/ruby-prof/flat_printer.rb

@@ -1,4 +1,3 @@
-require 'ruby-prof/abstract_printer'
 
 module RubyProf
   # Generates flat[link:files/examples/flat_txt.html] profile reports as text.

lib/ruby-prof/flat_printer_with_line_numbers.rb

@@ -1,5 +1,4 @@
-require 'ruby-prof/abstract_printer'
-require 'pathname'
+
 module RubyProf
   # Generates flat[link:files/examples/flat_txt.html] profile reports as text.
   # To use the flat printer with line numbers:

lib/ruby-prof/graph_html_printer.rb

@@ -1,4 +1,3 @@
-require 'ruby-prof/abstract_printer'
 require 'erb'
 
 module RubyProf

lib/ruby-prof/graph_printer.rb

@@ -1,4 +1,3 @@
-require 'ruby-prof/abstract_printer'
 
 module RubyProf
   # Generates graph[link:files/examples/graph_txt.html] profile reports as text.