stackprof

== profile by cpu
require 'stackprof'

profile = StackProf.run(mode: :wall, raw: true) do
  process(period: period, search_query: ['toDate(created_at) BETWEEN ? AND ?', period&.begin, period&.end])
end

File.write('stackprof.json', JSON.generate(profile))
 
# Go to https://www.speedscope.app/
# and load json file
    
== profile by mem
    
require 'memory_profiler'

report = MemoryProfiler.report do
  iaas_controller.send(action.to_sym, HashWithIndifferentAccess.new(params_from_headers))
  GC.start
end

report.pretty_print(scales_bytes: true, to_file: "#{action}_#{rand(1000)}.txt")