sample stackprof

gistfile1.rb

StackProf.run(mode: :cpu, out: 'tmp/stackprof-cpu-sample.dump') do
  1000.times do
    Rails.configuration.database_configuration                                                                                                    
    ActiveRecord::Base.establish_connection(
      username: 'root',
      adapter:  'mysql2',
      socket:   '/tmp/mysql.sock'
    )
  end
end