Merge branch 'revert-1a8b8581' into 'master'

Revert "Merge branch '350152-purge-request-profiler' into 'master'"

See merge request gitlab-org/gitlab!79402

.rubocop_todo.yml

@@ -160,6 +160,7 @@ Lint/MixedRegexpCaptureTypes:
     - 'lib/gitlab/diff/suggestions_parser.rb'
     - 'lib/gitlab/github_import/representation/note.rb'
     - 'lib/gitlab/metrics/system.rb'
+    - 'lib/gitlab/request_profiler/profile.rb'
     - 'lib/gitlab/slash_commands/issue_move.rb'
     - 'lib/gitlab/slash_commands/issue_new.rb'
     - 'lib/gitlab/slash_commands/run.rb'

.rubocop_todo/gitlab/namespaced_class.yml

@@ -875,6 +875,7 @@ Gitlab/NamespacedClass:
   - app/workers/repository_import_worker.rb
   - app/workers/repository_remove_remote_worker.rb
   - app/workers/repository_update_remote_mirror_worker.rb
+  - app/workers/requests_profiles_worker.rb
   - app/workers/run_pipeline_schedule_worker.rb
   - app/workers/schedule_merge_request_cleanup_refs_worker.rb
   - app/workers/schedule_migrate_external_diffs_worker.rb

app/controllers/admin/requests_profiles_controller.rb

+# frozen_string_literal: true
+
+class Admin::RequestsProfilesController < Admin::ApplicationController
+  feature_category :not_owned
+
+  def index
+    @profile_token = Gitlab::RequestProfiler.profile_token
+    @profiles      = Gitlab::RequestProfiler.all.group_by(&:request_path)
+  end
+
+  def show
+    clean_name = Rack::Utils.clean_path_info(params[:name])
+    profile    = Gitlab::RequestProfiler.find(clean_name)
+
+    unless profile && profile.content_type
+      return redirect_to admin_requests_profiles_path, alert: 'Profile not found'
+    end
+
+    send_file profile.file_path, type: "#{profile.content_type}; charset=utf-8", disposition: 'inline'
+  end
+end

app/helpers/nav_helper.rb

@@ -56,7 +56,7 @@ module NavHelper
   end
 
   def admin_monitoring_nav_links
-    %w(system_info background_migrations background_jobs health_check)
+    %w(system_info background_migrations background_jobs health_check requests_profiles)
   end
 
   def admin_analytics_nav_links

app/views/admin/requests_profiles/index.html.haml

+- page_title _('Requests Profiles')
+
+%h3.page-title
+  = page_title
+
+.bs-callout.clearfix
+  = html_escape(_('Pass the header %{codeOpen} X-Profile-Token: %{profile_token} %{codeClose} to profile the request')) % { profile_token: @profile_token, codeOpen: '<code>'.html_safe, codeClose: '</code>'.html_safe }
+
+- if @profiles.present?
+  .gl-mt-3
+    - @profiles.each do |path, profiles|
+      .card
+        .card-header
+          %code= path
+        %ul.content-list
+          - profiles.each do |profile|
+            %li
+              = link_to profile.time.to_s(:long) + ' ' + profile.profile_mode.capitalize,
+                admin_requests_profile_path(profile)
+- else
+  %p
+    = _('No profiles found')

app/views/layouts/nav/sidebar/_admin.html.haml

@@ -103,6 +103,10 @@
             = link_to admin_health_check_path, title: _('Health Check') do
               %span
                 = _('Health Check')
+          = nav_link(controller: :requests_profiles) do
+            = link_to admin_requests_profiles_path, title: _('Requests Profiles') do
+              %span
+                = _('Requests Profiles')
           - if Gitlab::CurrentSettings.current_application_settings.grafana_enabled?
             = nav_link do
               = link_to Gitlab::CurrentSettings.current_application_settings.grafana_url, target: '_blank', title: _('Metrics Dashboard'), rel: 'noopener noreferrer' do

app/workers/all_queues.yml

@@ -597,6 +597,15 @@
   :weight: 1
   :idempotent:
   :tags: []
+- :name: cronjob:requests_profiles
+  :worker_name: RequestsProfilesWorker
+  :feature_category: :source_code_management
+  :has_external_dependencies:
+  :urgency: :low
+  :resource_boundary: :unknown
+  :weight: 1
+  :idempotent:
+  :tags: []
 - :name: cronjob:schedule_merge_request_cleanup_refs
   :worker_name: ScheduleMergeRequestCleanupRefsWorker
   :feature_category: :code_review

app/workers/requests_profiles_worker.rb

+# frozen_string_literal: true
+
+class RequestsProfilesWorker # rubocop:disable Scalability/IdempotentWorker
+  include ApplicationWorker
+
+  data_consistency :always
+
+  # rubocop:disable Scalability/CronWorkerContext
+  # This worker does not perform work scoped to a context
+  include CronjobQueue
+  # rubocop:enable Scalability/CronWorkerContext
+
+  feature_category :source_code_management
+
+  def perform
+    Gitlab::RequestProfiler.remove_all_profiles
+  end
+end

config/initializers/1_settings.rb

@@ -479,6 +479,9 @@ Settings.cron_jobs['import_export_project_cleanup_worker']['job_class'] = 'Impor
 Settings.cron_jobs['ci_archive_traces_cron_worker'] ||= Settingslogic.new({})
 Settings.cron_jobs['ci_archive_traces_cron_worker']['cron'] ||= '17 * * * *'
 Settings.cron_jobs['ci_archive_traces_cron_worker']['job_class'] = 'Ci::ArchiveTracesCronWorker'
+Settings.cron_jobs['requests_profiles_worker'] ||= Settingslogic.new({})
+Settings.cron_jobs['requests_profiles_worker']['cron'] ||= '0 0 * * *'
+Settings.cron_jobs['requests_profiles_worker']['job_class'] = 'RequestsProfilesWorker'
 Settings.cron_jobs['remove_expired_members_worker'] ||= Settingslogic.new({})
 Settings.cron_jobs['remove_expired_members_worker']['cron'] ||= '10 0 * * *'
 Settings.cron_jobs['remove_expired_members_worker']['job_class'] = 'RemoveExpiredMembersWorker'

config/initializers/request_profiler.rb

 # frozen_string_literal: true
 
 Rails.application.configure do |config|
+  config.middleware.use(Gitlab::RequestProfiler::Middleware)
   config.middleware.use(Gitlab::Middleware::Speedscope)
 end

config/routes/admin.rb

@@ -100,6 +100,7 @@ namespace :admin do
   resource :background_jobs, controller: 'background_jobs', only: [:show]
 
   resource :system_info, controller: 'system_info', only: [:show]
+  resources :requests_profiles, only: [:index, :show], param: :name, constraints: { name: /.+\.(html|txt)/ }
 
   resources :projects, only: [:index]
 

lib/gitlab/backtrace_cleaner.rb

@@ -17,6 +17,7 @@ module Gitlab
       lib/gitlab/profiler.rb
       lib/gitlab/query_limiting/
       lib/gitlab/request_context.rb
+      lib/gitlab/request_profiler/
       lib/gitlab/sidekiq_logging/
       lib/gitlab/sidekiq_middleware/
       lib/gitlab/sidekiq_status/

lib/gitlab/profiler.rb

@@ -16,6 +16,7 @@ module Gitlab
       lib/gitlab/middleware/
       ee/lib/gitlab/middleware/
       lib/gitlab/performance_bar/
+      lib/gitlab/request_profiler/
       lib/gitlab/query_limiting/
       lib/gitlab/tracing/
       lib/gitlab/profiler.rb

lib/gitlab/request_profiler.rb

+# frozen_string_literal: true
+
+require 'fileutils'
+
+module Gitlab
+  module RequestProfiler
+    PROFILES_DIR = "#{Gitlab.config.shared.path}/tmp/requests_profiles"
+
+    def all
+      Dir["#{PROFILES_DIR}/*.{html,txt}"].map do |path|
+        Profile.new(File.basename(path))
+      end.select(&:valid?)
+    end
+    module_function :all # rubocop: disable Style/AccessModifierDeclarations
+
+    def find(name)
+      file_path = File.join(PROFILES_DIR, name)
+      return unless File.exist?(file_path)
+
+      Profile.new(name)
+    end
+    module_function :find # rubocop: disable Style/AccessModifierDeclarations
+
+    def profile_token
+      Rails.cache.fetch('profile-token') do
+        Devise.friendly_token
+      end
+    end
+    module_function :profile_token # rubocop: disable Style/AccessModifierDeclarations
+
+    def remove_all_profiles
+      FileUtils.rm_rf(PROFILES_DIR)
+    end
+    module_function :remove_all_profiles # rubocop: disable Style/AccessModifierDeclarations
+  end
+end

lib/gitlab/request_profiler/middleware.rb

+# frozen_string_literal: true
+
+require 'ruby-prof'
+require 'memory_profiler'
+
+module Gitlab
+  module RequestProfiler
+    class Middleware
+      def initialize(app)
+        @app = app
+      end
+
+      def call(env)
+        if profile?(env)
+          call_with_profiling(env)
+        else
+          @app.call(env)
+        end
+      end
+
+      def profile?(env)
+        header_token = env['HTTP_X_PROFILE_TOKEN']
+        return unless header_token.present?
+
+        profile_token = Gitlab::RequestProfiler.profile_token
+        return unless profile_token.present?
+
+        header_token == profile_token
+      end
+
+      def call_with_profiling(env)
+        case env['HTTP_X_PROFILE_MODE']
+        when 'execution', nil
+          call_with_call_stack_profiling(env)
+        when 'memory'
+          call_with_memory_profiling(env)
+        else
+          raise ActionController::BadRequest, invalid_profile_mode(env)
+        end
+      end
+
+      def invalid_profile_mode(env)
+        <<~HEREDOC
+          Invalid X-Profile-Mode: #{env['HTTP_X_PROFILE_MODE']}.
+          Supported profile mode request header:
+            - X-Profile-Mode: execution
+            - X-Profile-Mode: memory
+        HEREDOC
+      end
+
+      def call_with_call_stack_profiling(env)
+        ret = nil
+        report = RubyProf::Profile.profile do
+          ret = catch(:warden) do # rubocop:disable Cop/BanCatchThrow
+            @app.call(env)
+          end
+        end
+
+        generate_report(env, 'execution', 'html') do |file|
+          printer = RubyProf::CallStackPrinter.new(report)
+          printer.print(file)
+        end
+
+        handle_request_ret(ret)
+      end
+
+      def call_with_memory_profiling(env)
+        ret = nil
+        report = MemoryProfiler.report do
+          ret = catch(:warden) do # rubocop:disable Cop/BanCatchThrow
+            @app.call(env)
+          end
+        end
+
+        generate_report(env, 'memory', 'txt') do |file|
+          report.pretty_print(to_file: file)
+        end
+
+        handle_request_ret(ret)
+      end
+
+      def generate_report(env, report_type, extension)
+        file_name = "#{env['PATH_INFO'].tr('/', '|')}_#{Time.current.to_i}"\
+                    "_#{report_type}.#{extension}"
+        file_path = "#{PROFILES_DIR}/#{file_name}"
+
+        FileUtils.mkdir_p(PROFILES_DIR)
+
+        begin
+          File.open(file_path, 'wb') do |file|
+            yield(file)
+          end
+        rescue StandardError
+          FileUtils.rm(file_path)
+        end
+      end
+
+      def handle_request_ret(ret)
+        if ret.is_a?(Array)
+          ret
+        else
+          throw(:warden, ret) # rubocop:disable Cop/BanCatchThrow
+        end
+      end
+    end
+  end
+end

lib/gitlab/request_profiler/profile.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module RequestProfiler
+    class Profile
+      attr_reader :name, :time, :file_path, :request_path, :profile_mode, :type
+
+      alias_method :to_param, :name
+
+      def initialize(name)
+        @name = name
+        @file_path = File.join(PROFILES_DIR, name)
+
+        set_attributes
+      end
+
+      def valid?
+        @request_path.present?
+      end
+
+      def content_type
+        case type
+        when 'html'
+          'text/html'
+        when 'txt'
+          'text/plain'
+        end
+      end
+
+      private
+
+      def set_attributes
+        matches = name.match(/^(?<path>.*)_(?<timestamp>\d+)(_(?<profile_mode>\w+))?\.(?<type>html|txt)$/)
+        return unless matches
+
+        @request_path      = matches[:path].tr('|', '/')
+        @time              = Time.at(matches[:timestamp].to_i).utc
+        @profile_mode      = matches[:profile_mode] || 'unknown'
+        @type              = matches[:type]
+      end
+    end
+  end
+end

locale/gitlab.pot

@@ -24234,6 +24234,9 @@ msgstr ""
 msgid "No prioritized labels with such name or description"
 msgstr ""
 
+msgid "No profiles found"
+msgstr ""
+
 msgid "No project subscribes to the pipelines in this project."
 msgstr ""
 
@@ -25781,6 +25784,9 @@ msgstr ""
 msgid "Pass job variables"
 msgstr ""
 
+msgid "Pass the header %{codeOpen} X-Profile-Token: %{profile_token} %{codeClose} to profile the request"
+msgstr ""
+
 msgid "Passed"
 msgstr ""
 
@@ -30382,6 +30388,9 @@ msgstr ""
 msgid "Requests"
 msgstr ""
 
+msgid "Requests Profiles"
+msgstr ""
+
 msgid "Requests for pages at %{code_start}%{help_text_url}%{code_end} redirect to the URL. The destination must meet certain requirements. %{docs_link_start}Learn more.%{docs_link_end}"
 msgstr ""
 

spec/controllers/admin/requests_profiles_controller_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Admin::RequestsProfilesController do
+  let_it_be(:admin) { create(:admin) }
+
+  before do
+    sign_in(admin)
+  end
+
+  describe '#show' do
+    let(:tmpdir) { Dir.mktmpdir('profiler-test') }
+    let(:test_file) { File.join(tmpdir, basename) }
+
+    subject do
+      get :show, params: { name: basename }
+    end
+
+    before do
+      stub_const('Gitlab::RequestProfiler::PROFILES_DIR', tmpdir)
+      File.write(test_file, sample_data)
+    end
+
+    after do
+      FileUtils.rm_rf(tmpdir)
+    end
+
+    context 'when loading HTML profile' do
+      let(:basename) { "profile_#{Time.current.to_i}_execution.html" }
+
+      let(:sample_data) do
+        '<html> <body> <h1>Heading</h1> <p>paragraph.</p> </body> </html>'
+      end
+
+      it 'renders the data' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response.body).to eq(sample_data)
+      end
+    end
+
+    context 'when loading TXT profile' do
+      let(:basename) { "profile_#{Time.current.to_i}_memory.txt" }
+
+      let(:sample_data) do
+        <<~TXT
+          Total allocated: 112096396 bytes (1080431 objects)
+          Total retained:  10312598 bytes (53567 objects)
+        TXT
+      end
+
+      it 'renders the data' do
+        subject
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(response.body).to eq(sample_data)
+      end
+    end
+
+    context 'when loading PDF profile' do
+      let(:basename) { "profile_#{Time.current.to_i}_anything.pdf" }
+
+      let(:sample_data) { 'mocked pdf content' }
+
+      it 'fails to render the data' do
+        expect { subject }.to raise_error(ActionController::UrlGenerationError, /No route matches.*unmatched constraints:/)
+      end
+    end
+  end
+end

spec/features/admin/admin_requests_profiles_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Admin::RequestsProfilesController' do
+  let(:tmpdir) { Dir.mktmpdir('profiler-test') }
+
+  before do
+    stub_const('Gitlab::RequestProfiler::PROFILES_DIR', tmpdir)
+    admin = create(:admin)
+    sign_in(admin)
+    gitlab_enable_admin_mode_sign_in(admin)
+  end
+
+  after do
+    FileUtils.rm_rf(tmpdir)
+  end
+
+  describe 'GET /admin/requests_profiles' do
+    it 'shows the current profile token' do
+      allow(Rails).to receive(:cache).and_return(ActiveSupport::Cache::MemoryStore.new)
+
+      visit admin_requests_profiles_path
+
+      expect(page).to have_content("X-Profile-Token: #{Gitlab::RequestProfiler.profile_token}")
+    end
+
+    context 'when having multiple profiles' do
+      let(:time1) { 1.hour.ago }
+      let(:time2) { 2.hours.ago }
+
+      let(:profiles) do
+        [
+          {
+            request_path: '/gitlab-org/gitlab-foss',
+            name: "|gitlab-org|gitlab-foss_#{time1.to_i}_execution.html",
+            created: time1,
+            profile_mode: 'Execution'
+          },
+          {
+            request_path: '/gitlab-org/gitlab-foss',
+            name: "|gitlab-org|gitlab-foss_#{time2.to_i}_execution.html",
+            created: time2,
+            profile_mode: 'Execution'
+          },
+          {
+            request_path: '/gitlab-org/gitlab-foss',
+            name: "|gitlab-org|gitlab-foss_#{time1.to_i}_memory.html",
+            created: time1,
+            profile_mode: 'Memory'
+          },
+          {
+            request_path: '/gitlab-org/gitlab-foss',
+            name: "|gitlab-org|gitlab-foss_#{time2.to_i}_memory.html",
+            created: time2,
+            profile_mode: 'Memory'
+          },
+          {
+            request_path: '/gitlab-org/infrastructure',
+            name: "|gitlab-org|infrastructure_#{time1.to_i}_execution.html",
+            created: time1,
+            profile_mode: 'Execution'
+          },
+          {
+            request_path: '/gitlab-org/infrastructure',
+            name: "|gitlab-org|infrastructure_#{time2.to_i}_memory.html",
+            created: time2,
+            profile_mode: 'Memory'
+          },
+          {
+            request_path: '/gitlab-org/infrastructure',
+            name: "|gitlab-org|infrastructure_#{time2.to_i}.html",
+            created: time2,
+            profile_mode: 'Unknown'
+          }
+        ]
+      end
+
+      before do
+        profiles.each do |profile|
+          FileUtils.touch(File.join(Gitlab::RequestProfiler::PROFILES_DIR, profile[:name]))
+        end
+      end
+
+      it 'lists all available profiles' do
+        visit admin_requests_profiles_path
+
+        profiles.each do |profile|
+          within('.card', text: profile[:request_path]) do
+            expect(page).to have_selector(
+              "a[href='#{admin_requests_profile_path(profile[:name])}']",
+              text: "#{profile[:created].to_s(:long)} #{profile[:profile_mode]}")
+          end
+        end
+      end
+    end
+  end
+
+  describe 'GET /admin/requests_profiles/:profile' do
+    context 'when a profile exists' do
+      before do
+        File.write("#{Gitlab::RequestProfiler::PROFILES_DIR}/#{profile}", content)
+      end
+
+      context 'when is valid call stack profile' do
+        let(:content) { 'This is a call stack request profile' }
+        let(:profile) { "|gitlab-org|gitlab-ce_#{Time.now.to_i}_execution.html" }
+
+        it 'displays the content' do
+          visit admin_requests_profile_path(profile)
+
+          expect(page).to have_content(content)
+        end
+      end
+
+      context 'when is valid memory profile' do
+        let(:content) { 'This is a memory request profile' }
+        let(:profile) { "|gitlab-org|gitlab-ce_#{Time.now.to_i}_memory.txt" }
+
+        it 'displays the content' do
+          visit admin_requests_profile_path(profile)
+
+          expect(page).to have_content(content)
+        end
+      end
+    end
+
+    context 'when a profile does not exist' do
+      it 'shows an error message' do
+        visit admin_requests_profile_path('|non|existent_12345.html')
+
+        expect(page).to have_content('Profile not found')
+      end
+    end
+  end
+end

spec/lib/gitlab/backtrace_cleaner_spec.rb

@@ -25,6 +25,7 @@ RSpec.describe Gitlab::BacktraceCleaner do
         "app/models/repository.rb:113:in `commit'",
         "lib/gitlab/i18n.rb:50:in `with_locale'",
         "lib/gitlab/middleware/multipart.rb:95:in `call'",
+        "lib/gitlab/request_profiler/middleware.rb:14:in `call'",
         "ee/lib/gitlab/database/load_balancing/rack_middleware.rb:37:in `call'",
         "ee/lib/gitlab/jira/middleware.rb:15:in `call'"
       ]

spec/lib/gitlab/request_profiler/profile_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::RequestProfiler::Profile do
+  let(:profile) { described_class.new(filename) }
+
+  describe '.new' do
+    context 'using old filename' do
+      let(:filename) { '|api|v4|version.txt_1562854738.html' }
+
+      it 'returns valid data' do
+        expect(profile).to be_valid
+        expect(profile.request_path).to eq('/api/v4/version.txt')
+        expect(profile.time).to eq(Time.at(1562854738).utc)
+        expect(profile.type).to eq('html')
+      end
+    end
+
+    context 'using new filename' do
+      let(:filename) { '|api|v4|version.txt_1563547949_execution.html' }
+
+      it 'returns valid data' do
+        expect(profile).to be_valid
+        expect(profile.request_path).to eq('/api/v4/version.txt')
+        expect(profile.profile_mode).to eq('execution')
+        expect(profile.time).to eq(Time.at(1563547949).utc)
+        expect(profile.type).to eq('html')
+      end
+    end
+  end
+
+  describe '#content_type' do
+    context 'when using html file' do
+      let(:filename) { '|api|v4|version.txt_1562854738_memory.html' }
+
+      it 'returns valid data' do
+        expect(profile).to be_valid
+        expect(profile.content_type).to eq('text/html')
+      end
+    end
+
+    context 'when using text file' do
+      let(:filename) { '|api|v4|version.txt_1562854738_memory.txt' }
+
+      it 'returns valid data' do
+        expect(profile).to be_valid
+        expect(profile.content_type).to eq('text/plain')
+      end
+    end
+
+    context 'when file is unknown' do
+      let(:filename) { '|api|v4|version.txt_1562854738_memory.xxx' }
+
+      it 'returns valid data' do
+        expect(profile).not_to be_valid
+        expect(profile.content_type).to be_nil
+      end
+    end
+  end
+end

spec/lib/gitlab/request_profiler_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::RequestProfiler do
+  describe '.profile_token' do
+    it 'returns a token' do
+      expect(described_class.profile_token).to be_present
+    end
+
+    it 'caches the token' do
+      expect(Rails.cache).to receive(:fetch).with('profile-token')
+
+      described_class.profile_token
+    end
+  end
+
+  context 'with temporary PROFILES_DIR' do
+    let(:tmpdir) { Dir.mktmpdir('profiler-test') }
+    let(:profile_name) { '|api|v4|version.txt_1562854738_memory.html' }
+    let(:profile_path) { File.join(tmpdir, profile_name) }
+
+    before do
+      stub_const('Gitlab::RequestProfiler::PROFILES_DIR', tmpdir)
+      FileUtils.touch(profile_path)
+    end
+
+    after do
+      FileUtils.rm_rf(tmpdir)
+    end
+
+    describe '.remove_all_profiles' do
+      it 'removes Gitlab::RequestProfiler::PROFILES_DIR directory' do
+        described_class.remove_all_profiles
+
+        expect(Dir.exist?(tmpdir)).to be false
+      end
+    end
+
+    describe '.all' do
+      subject { described_class.all }
+
+      it 'returns all profiles' do
+        expect(subject.map(&:name)).to contain_exactly(profile_name)
+      end
+    end
+
+    describe '.find' do
+      subject { described_class.find(profile_name) }
+
+      it 'returns all profiles' do
+        expect(subject.name).to eq(profile_name)
+      end
+    end
+  end
+end

spec/requests/request_profiler_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Request Profiler' do
+  let(:user) { create(:user) }
+
+  shared_examples 'profiling a request' do |profile_type, extension|
+    before do
+      allow(Rails).to receive(:cache).and_return(ActiveSupport::Cache::MemoryStore.new)
+      allow(RubyProf::Profile).to receive(:profile) do |&blk|
+        blk.call
+        RubyProf::Profile.new
+      end
+      allow(MemoryProfiler).to receive(:report) do |&blk|
+        blk.call
+        MemoryProfiler.start
+        MemoryProfiler.stop
+      end
+    end
+
+    it 'creates a profile of the request' do
+      project = create(:project, namespace: user.namespace)
+      time    = Time.now
+      path    = "/#{project.full_path}"
+
+      travel_to(time) do
+        get path, params: {}, headers: { 'X-Profile-Token' => Gitlab::RequestProfiler.profile_token, 'X-Profile-Mode' => profile_type }
+      end
+
+      profile_type = 'execution' if profile_type.nil?
+      profile_path = "#{Gitlab.config.shared.path}/tmp/requests_profiles/#{path.tr('/', '|')}_#{time.to_i}_#{profile_type}.#{extension}"
+      expect(File.exist?(profile_path)).to be true
+    end
+
+    after do
+      Gitlab::RequestProfiler.remove_all_profiles
+    end
+  end
+
+  context "when user is logged-in" do
+    before do
+      login_as(user)
+    end
+
+    include_examples 'profiling a request', 'execution', 'html'
+    include_examples 'profiling a request', nil, 'html'
+    include_examples 'profiling a request', 'memory', 'txt'
+  end
+
+  context "when user is not logged-in" do
+    include_examples 'profiling a request', 'execution', 'html'
+    include_examples 'profiling a request', nil, 'html'
+    include_examples 'profiling a request', 'memory', 'txt'
+  end
+end