35 lines
907 B
Plaintext
35 lines
907 B
Plaintext
|
#!/usr/bin/env ruby
|
||
|
|
if ARGV.empty?
|
||
|
|
$stderr.puts "Usage: profiler 'Person.expensive_method(10)' [times]"
|
||
|
|
exit(1)
|
||
|
|
end
|
||
|
|
|
||
|
|
# Keep the expensive require out of the profile.
|
||
|
|
$stderr.puts 'Loading Rails...'
|
||
|
|
require File.dirname(__FILE__) + '/../config/environment'
|
||
|
|
|
||
|
|
# Define a method to profile.
|
||
|
|
if ARGV[1] and ARGV[1].to_i > 1
|
||
|
|
eval "def profile_me() #{ARGV[1]}.times { #{ARGV[0]} } end"
|
||
|
|
else
|
||
|
|
eval "def profile_me() #{ARGV[0]} end"
|
||
|
|
end
|
||
|
|
|
||
|
|
# Use the ruby-prof extension if available. Fall back to stdlib profiler.
|
||
|
|
begin
|
||
|
|
require 'prof'
|
||
|
|
$stderr.puts 'Using the ruby-prof extension.'
|
||
|
|
Prof.clock_mode = Prof::GETTIMEOFDAY
|
||
|
|
Prof.start
|
||
|
|
profile_me
|
||
|
|
results = Prof.stop
|
||
|
|
require 'rubyprof_ext'
|
||
|
|
Prof.print_profile(results, $stderr)
|
||
|
|
rescue LoadError
|
||
|
|
$stderr.puts 'Using the standard Ruby profiler.'
|
||
|
|
Profiler__.start_profile
|
||
|
|
profile_me
|
||
|
|
Profiler__.stop_profile
|
||
|
|
Profiler__.print_profile($stderr)
|
||
|
|
end
|