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authorYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>2009-09-24 14:01:31 -0700
committerYehuda Katz + Carl Lerche <ykatz+clerche@engineyard.com>2009-09-24 16:11:41 -0700
commitf0dd77c6be6a86fe384bb0015151e0a497973d39 (patch)
treead81bb4c807c39edeaa37035882a16d9d95ebaa9 /railties/lib/rails/commands/performance
parent610b81beca461a6fa4f00c7023e0e4315eb2b8be (diff)
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Move railties/lib/* into railties/lib/*
Diffstat (limited to 'railties/lib/rails/commands/performance')
-rw-r--r--railties/lib/rails/commands/performance/benchmarker.rb24
-rw-r--r--railties/lib/rails/commands/performance/profiler.rb50
2 files changed, 74 insertions, 0 deletions
diff --git a/railties/lib/rails/commands/performance/benchmarker.rb b/railties/lib/rails/commands/performance/benchmarker.rb
new file mode 100644
index 0000000000..e8804fe1bf
--- /dev/null
+++ b/railties/lib/rails/commands/performance/benchmarker.rb
@@ -0,0 +1,24 @@
+if ARGV.empty?
+ puts "Usage: ./script/performance/benchmarker [times] 'Person.expensive_way' 'Person.another_expensive_way' ..."
+ exit 1
+end
+
+begin
+ N = Integer(ARGV.first)
+ ARGV.shift
+rescue ArgumentError
+ N = 1
+end
+
+require RAILS_ROOT + '/config/environment'
+require 'benchmark'
+include Benchmark
+
+# Don't include compilation in the benchmark
+ARGV.each { |expression| eval(expression) }
+
+bm(6) do |x|
+ ARGV.each_with_index do |expression, idx|
+ x.report("##{idx + 1}") { N.times { eval(expression) } }
+ end
+end
diff --git a/railties/lib/rails/commands/performance/profiler.rb b/railties/lib/rails/commands/performance/profiler.rb
new file mode 100644
index 0000000000..7df840f197
--- /dev/null
+++ b/railties/lib/rails/commands/performance/profiler.rb
@@ -0,0 +1,50 @@
+if ARGV.empty?
+ $stderr.puts "Usage: ./script/performance/profiler 'Person.expensive_method(10)' [times] [flat|graph|graph_html]"
+ exit(1)
+end
+
+# Keep the expensive require out of the profile.
+$stderr.puts 'Loading Rails...'
+require RAILS_ROOT + '/config/environment'
+
+# Define a method to profile.
+if ARGV[1] and ARGV[1].to_i > 1
+ eval "def profile_me() #{ARGV[1]}.times { #{ARGV[0]} } end"
+else
+ eval "def profile_me() #{ARGV[0]} end"
+end
+
+# Use the ruby-prof extension if available. Fall back to stdlib profiler.
+begin
+ begin
+ require "ruby-prof"
+ $stderr.puts 'Using the ruby-prof extension.'
+ RubyProf.measure_mode = RubyProf::WALL_TIME
+ RubyProf.start
+ profile_me
+ results = RubyProf.stop
+ if ARGV[2]
+ printer_class = RubyProf.const_get((ARGV[2] + "_printer").classify)
+ else
+ printer_class = RubyProf::FlatPrinter
+ end
+ printer = printer_class.new(results)
+ printer.print($stderr)
+ rescue LoadError
+ require "prof"
+ $stderr.puts 'Using the old ruby-prof extension.'
+ Prof.clock_mode = Prof::GETTIMEOFDAY
+ Prof.start
+ profile_me
+ results = Prof.stop
+ require 'rubyprof_ext'
+ Prof.print_profile(results, $stderr)
+ end
+rescue LoadError
+ require 'profiler'
+ $stderr.puts 'Using the standard Ruby profiler.'
+ Profiler__.start_profile
+ profile_me
+ Profiler__.stop_profile
+ Profiler__.print_profile($stderr)
+end