eric

diff --git a/lib/god/process.rb b/lib/god/process.rb
index 338da5e..6cbc867 100644
--- a/lib/god/process.rb
+++ b/lib/god/process.rb
@@ -6,7 +6,7 @@ module God
                   :unix_socket, :chroot, :env, :dir
     
     def initialize
-      self.log = '/dev/null'
+      self.log = nil

eric

(gdb) ruby objects classes
       1 YAML::Syck::Resolver
       1 YAML::Syck::Resolver
       1 SystemStackError
       1 Object
       1 Object
       1 NoMemoryError
       1 fatal
       1 Object
       1 Gem::ConfigFile

eric

diff --git a/lib/god/logger.rb b/lib/god/logger.rb
index 7c45679..b08d0f8 100644
--- a/lib/god/logger.rb
+++ b/lib/god/logger.rb
@@ -58,21 +58,27 @@ module God
     def log(watch, level, text)
       # initialize watch log if necessary
       self.logs[watch.name] ||= Timeline.new(God::LOG_BUFFER_SIZE_DEFAULT) if watch
-      
+

eric

[9 : 0] eric@kiccoro:/Users/eric/src > ruby thread_sender.rb
testing 1: #<Thread:0x101419bf8 run>
testing 2: #<Thread:0x101419bf8 run>
#<Thread:0x100170358 run>

eric

require 'open3'

module ShellJob
  @queue = :default

  def self.perform(*args)
    puts "$ #{args.join(' ')}"
    Open3.popen3(*args) do |stdin, stdout, stderr|
      puts stdout.read.inspect
    end

eric

$null = File.open('/dev/null', 'w')

threads     = []
max_threads = 5000

loop do
  threads << Thread.new do
    str = 'x' * 500
    $null.write(str)
  end

eric

CRYPT [99 : 0] eric@kibo:/home/eric/god-memory-testing > pprof --text /usr/bin/ruby --base=god-3.hprof.0001.heap god-3.hprof.0002.heap
Total: 1.4 MB
     1.0  72.0%  72.0%      1.0  72.0% ruby_xmalloc
     0.4  26.5%  98.5%      0.4  27.6% ruby_xrealloc
     0.0   1.6% 100.1%      0.0   1.6% rb_thread_save_context
     0.0   0.4% 100.4%      0.0   0.4% ruby_re_copy_registers
     0.0   0.0% 100.4%      0.0   0.1% sym_inspect
     0.0   0.0% 100.4%      0.1   3.7% rb_obj_alloc
     0.0   0.0% 100.4%      0.0   0.0% rb_define_class_id
     0.0   0.0% 100.4%      0.9  62.9% all_iter_i

eric

CRYPT [93 : 0] eric@kibo:/home/eric/god-memory-testing > pprof --text /usr/bin/ruby god-2.hprof.0004.heap
Total: 7.9 MB
     5.3  66.7%  66.7%      5.3  66.7% add_heap
     2.0  24.9%  91.5%      2.0  24.9% ruby_xmalloc
     0.3   3.6%  95.1%      0.3   3.6% ruby_re_compile_pattern
     0.3   3.2%  98.3%      0.3   3.3% ruby_xrealloc
     0.0   0.6%  98.8%      0.0   0.6% rb_thread_save_context
     0.0   0.5%  99.4%      0.0   0.5% CRYPTO_malloc
     0.0   0.3%  99.7%      0.0   0.3% _dl_new_object
     0.0   0.1%  99.8%      0.0   0.1% CRYPTO_realloc

eric

Displaying top 20 most common line/class pairs
109371 total objects
109371 filled heap slots
114325 free heap slots
   3572 /usr/lib/ruby/site_ruby/1.8/rubygems/specification.rb:186:String
   3053 __null__:__null__:__node__
   1265 /usr/lib/ruby/1.8/x86_64-linux/openssl.so:__null__:__node__
   1248 /usr/lib/ruby/gems/1.8/specifications/passenger-2.2.5.gemspec:15:String
    570 (eval):4:__node__
    448 /usr/lib/ruby/1.8/fileutils.rb:1578:__node__

eric

WATCHERS = 10

# Make sure pid directories exists
FileUtils.mkdir_p '/tmp/profiler-pids'

God.pid_file_directory = '/tmp/profiler-pids'
God::Logger.syslog = false

WATCHERS.times do |i|
  God.watch do |w|