Class: FFI_Yajl::Benchmark::EncodeProfile

Inherits:
Object
  • Object
show all
Defined in:
lib/ffi_yajl/benchmark/encode_profile.rb

Instance Method Summary collapse

Instance Method Details

#run ⇒ Object 



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# File 'lib/ffi_yajl/benchmark/encode_profile.rb', line 17

def run
  return unless defined?(PerfTools)

  filename = File.expand_path(File.join(File.dirname(__FILE__), "subjects", "ohai.json"))
  hash = File.open(filename, "rb") { |f| FFI_Yajl::Parser.parse(f.read) }

  times = 1000
  puts "Starting profiling encoding #{filename} #{times} times\n\n"

  ffi_string_encoder = FFI_Yajl::Encoder.new
  PerfTools::CpuProfiler.start("/tmp/ffi_yajl_encode_profile.out") do
    times.times { ffi_string_encoder.encode(hash) }
  end
  system("pprof.rb --text /tmp/ffi_yajl_encode_profile.out")
end