Remove tools/profile
This commit is contained in:
parent
23af6f37a3
commit
626e014d34
@ -4,7 +4,6 @@ This is a collection of utilities used for Rails internal development.
|
||||
They aren't used by Rails apps directly.
|
||||
|
||||
* `console` drops you in irb and loads local Rails repos
|
||||
* `profile` profiles `Kernel#require` to help reduce startup time
|
||||
* `railspect` provides commands to run internal linters
|
||||
* `line_statistics` provides CodeTools module and LineStatistics class to count lines
|
||||
* `test` is loaded by every major component of Rails to simplify testing, for example:
|
||||
|
137
tools/profile
137
tools/profile
@ -1,137 +0,0 @@
|
||||
#!/usr/bin/env ruby
|
||||
# frozen_string_literal: true
|
||||
|
||||
# Profile require calls giving information about the time and the files that are called
|
||||
# when loading the provided file.
|
||||
#
|
||||
# Example:
|
||||
# tools/profile activesupport/lib/active_support.rb [ruby-prof mode] [ruby-prof printer]
|
||||
ENV["NO_RELOAD"] ||= "1"
|
||||
ENV["RAILS_ENV"] ||= "development"
|
||||
|
||||
module CodeTools
|
||||
class Profiler
|
||||
Error = Class.new(StandardError)
|
||||
|
||||
attr_reader :path, :mode
|
||||
def initialize(path, mode = nil)
|
||||
assert_ruby_file_exists(path)
|
||||
@path, @mode = path, mode
|
||||
require "benchmark"
|
||||
end
|
||||
|
||||
def profile_requires
|
||||
GC.start
|
||||
before_rss = `ps -o rss= -p #{Process.pid}`.to_i
|
||||
|
||||
if mode
|
||||
require "ruby-prof"
|
||||
RubyProf.measure_mode = RubyProf.const_get(mode.upcase)
|
||||
RubyProf.start
|
||||
else
|
||||
Object.instance_eval { include RequireProfiler }
|
||||
end
|
||||
|
||||
elapsed = Benchmark.realtime { require path }
|
||||
results = RubyProf.stop if mode
|
||||
|
||||
GC.start
|
||||
after_rss = `ps -o rss= -p #{Process.pid}`.to_i
|
||||
|
||||
if mode
|
||||
if printer = ARGV.shift
|
||||
puts "RubyProf outputting to stderr with printer #{printer}"
|
||||
RubyProf.const_get("#{printer.to_s.classify}Printer").new(results).print($stdout)
|
||||
elsif RubyProf.const_defined?(:CallStackPrinter)
|
||||
filename = "#{File.basename(path, '.rb')}.#{mode}.html"
|
||||
puts "RubyProf outputting to #{filename}"
|
||||
File.open(filename, "w") do |out|
|
||||
RubyProf::CallStackPrinter.new(results).print(out)
|
||||
end
|
||||
else
|
||||
filename = "#{File.basename(path, '.rb')}.#{mode}.callgrind"
|
||||
puts "RubyProf outputting to #{filename}"
|
||||
File.open(filename, "w") do |out|
|
||||
RubyProf::CallTreePrinter.new(results).print(out)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
RequireProfiler.stats.each do |file, depth, sec|
|
||||
if sec
|
||||
puts "%8.1f ms %s%s" % [sec * 1000, " " * depth, file]
|
||||
else
|
||||
puts "#{' ' * (13 + depth)}#{file}"
|
||||
end
|
||||
end
|
||||
puts "%8.1f ms %d KB RSS" % [elapsed * 1000, after_rss - before_rss]
|
||||
end
|
||||
|
||||
private
|
||||
def assert_ruby_file_exists(path)
|
||||
fail Error.new("No such file") unless File.exist?(path)
|
||||
fail Error.new("#{path} is a directory") if File.directory?(path)
|
||||
ruby_extension = File.extname(path) == ".rb"
|
||||
ruby_executable = File.open(path, "rb") { |f| f.readline } =~ [/\A#!.*ruby/]
|
||||
fail Error.new("Not a ruby file") unless ruby_extension || ruby_executable
|
||||
end
|
||||
|
||||
module RequireProfiler
|
||||
private
|
||||
def require(file, *args) RequireProfiler.profile(file) { super } end
|
||||
def load(file, *args) RequireProfiler.profile(file) { super } end
|
||||
|
||||
@depth, @stats = 0, []
|
||||
class << self
|
||||
attr_accessor :depth
|
||||
attr_accessor :stats
|
||||
|
||||
def profile(file)
|
||||
stats << [file, depth]
|
||||
self.depth += 1
|
||||
result = nil
|
||||
elapsed = Benchmark.realtime { result = yield }
|
||||
self.depth -= 1
|
||||
stats.pop if stats.last.first == file
|
||||
stats << [file, depth, elapsed] if result
|
||||
result
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
# ruby-prof printer name causes the third arg to be sent :classify
|
||||
# which is probably overkill if you already know the name of the ruby-prof
|
||||
# printer you want to use, e.g. Graph
|
||||
begin
|
||||
require "active_support/inflector"
|
||||
require "active_support/core_ext/string/inflections"
|
||||
rescue LoadError
|
||||
STDERR.puts $!.message
|
||||
class String
|
||||
# File activesupport/lib/active_support/inflector/methods.rb, line 150
|
||||
def classify
|
||||
# strip out any leading schema name
|
||||
camelize(sub(/.*\./, ""))
|
||||
end
|
||||
# File activesupport/lib/active_support/inflector/methods.rb, line 68
|
||||
def camelize(uppercase_first_letter = true)
|
||||
string = self
|
||||
if uppercase_first_letter
|
||||
string = string.sub(/^[a-z\d]*/) { |match| match.capitalize }
|
||||
else
|
||||
string = string.sub(/^(?:(?=\b|[A-Z_])|\w)/) { |match| match.downcase }
|
||||
end
|
||||
string.gsub(/(?:_|(\/))([a-z\d]*)/) { "#{$1}#{$2.capitalize}" }.gsub("/", "::")
|
||||
end
|
||||
end
|
||||
end
|
||||
if $0 == __FILE__
|
||||
if (filename = ARGV.shift)
|
||||
path = File.expand_path(filename)
|
||||
mode = ARGV.shift
|
||||
CodeTools::Profiler.new(path, mode).profile_requires
|
||||
else
|
||||
STDERR.puts "No file path entered. Usage is tools/profile path/to/file.rb [ruby-prof mode] [ruby-prof printer]"
|
||||
end
|
||||
end
|
Loading…
Reference in New Issue
Block a user