Install and configure rubyprof

Gemfile

@@ -47,6 +47,7 @@ group :test, optional: true do
   gem 'faker'
   gem 'rspec-rails'
   gem 'shoulda-matchers'
+  gem 'ruby-prof'
 end
 
 group :development, optional: true do

Gemfile.lock

@@ -267,6 +267,7 @@ GEM
       rack (>= 1.1)
       rubocop (>= 1.33.0, < 2.0)
       rubocop-ast (>= 1.31.1, < 2.0)
+    ruby-prof (1.7.1)
     ruby-progressbar (1.13.0)
     shoulda-matchers (6.2.0)
       activesupport (>= 5.2.0)
@@ -334,6 +335,7 @@ DEPENDENCIES
   rubocop
   rubocop-performance
   rubocop-rails
+  ruby-prof
   shoulda-matchers
   solargraph
   spring

spec/spec_helper.rb

@@ -99,4 +99,7 @@ RSpec.configure do |config|
   Kernel.srand config.seed
 
   config.example_status_persistence_file_path = 'specs_with_runtime.txt'
+
+  # Run ruby-prof
+  Dir[File.expand_path('support/**/*.rb', __dir__)].each { |f| require f }
 end

spec/support/profile.rb

@@ -0,0 +1,13 @@
+require 'ruby-prof'
+
+RSpec.configure do |config|
+  config.around(:each) do |example|
+    profile = RubyProf::Profile.new
+    profile.start
+    example.run
+    result = profile.stop
+
+    printer = RubyProf::FlatPrinter.new(result)
+    printer.print(File.open("profile_#{example.full_description.parameterize}.txt", 'w+'))
+  end
+end