Switch profiles to use stackprof, since it merges fibers

Author: rmosolgo

benchmark/run.rb

@@ -3,7 +3,7 @@
 require "graphql"
 require "jazz"
 require "benchmark/ips"
-require "ruby-prof"
+require "stackprof"
 require "memory_profiler"
 require "graphql/batch"
 
@@ -46,15 +46,11 @@ def self.profile
     SCHEMA.execute(document: DOCUMENT)
     # CARD_SCHEMA.validate(ABSTRACT_FRAGMENTS)
     res = nil
-    result = RubyProf.profile do
+    result = StackProf.run(mode: :wall) do
       # CARD_SCHEMA.validate(ABSTRACT_FRAGMENTS)
       res = SCHEMA.execute(document: DOCUMENT)
     end
-    # printer = RubyProf::FlatPrinter.new(result)
-    # printer = RubyProf::GraphHtmlPrinter.new(result)
-    printer = RubyProf::FlatPrinterWithLineNumbers.new(result)
-
-    printer.print(STDOUT, {})
+    StackProf::Report.new(result).print_text
   end
 
   # Adapted from https://github.com/rmosolgo/graphql-ruby/issues/861
@@ -67,13 +63,10 @@ def self.profile_large_result
       }
     end
 
-    result = RubyProf.profile do
+    result = StackProf.run(mode: :wall) do
       schema.execute(document: document)
     end
-    printer = RubyProf::FlatPrinter.new(result)
-    # printer = RubyProf::GraphHtmlPrinter.new(result)
-    # printer = RubyProf::FlatPrinterWithLineNumbers.new(result)
-    printer.print(STDOUT, {})
+    StackProf::Report.new(result).print_text
 
     report = MemoryProfiler.report do
       schema.execute(document: document)

graphql.gemspec

@@ -36,6 +36,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency "racc", "~> 1.4"
   s.add_development_dependency "rake", "~> 12"
   s.add_development_dependency "rubocop", "0.68" # for Ruby 2.2 enforcement
+  s.add_development_dependency "stackprof"
   # required for upgrader
   s.add_development_dependency "parser"
   # website stuff