Module: SchwadPerformanceLogger

Defined in:
lib/schwad_performance_logger.rb,
lib/schwad_performance_logger/version.rb

Constant Summary collapse

VERSION = 
"0.5.1"

Class Method Summary collapse

Class Method Details

.all_objects ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 58

def self.all_objects
  ObjectSpace.each_object.
    map(&:class).
    each_with_object(Hash.new(0)) { |e, h| h[e] += 1 }.
    sort_by { |k,v| v }
end

.allocate_count ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 42

def self.allocate_count
  # All objects allocated in block
  suppress_output do
    GC.disable
    before = ObjectSpace.count_objects
    yield
    after = ObjectSpace.count_objects
    after.each { |k,v| after[k] = v - before[k] }
    after[:T_HASH] -= 1 # probe effect - we created the before hash.
    after[:FREE] += 1 # same
    GC.enable
    @result = after.reject { |k,v| v == 0 }
  end
  @result
end

.ips ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 19

def self.ips
  suppress_output do
    @result = Benchmark.ips do |x|
      x.report("PerformanceLogMethod") do
        yield
      end
    end
  end
  @result
end

.new(opts = {}) ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 11

def self.new(opts={})
  if opts.is_a?(Hash)
    PLogger.new(opts)
  else
    puts "I'm sorry, I don't know what you're trying to pass here!\n\n Please refer to the docs or pass an options hash https://github.com/schwad/schwad_performance_logger"
  end
end

.objects_by_size ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 65

def self.objects_by_size
  ObjectSpace.count_objects_size
end

.profile_memory ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 69

def self.profile_memory
  suppress_output do
    @report = MemoryProfiler.report do
      yield
    end
  end
  @report.pretty_print
end

.time ⇒ Object 



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# File 'lib/schwad_performance_logger.rb', line 30

def self.time
  suppress_output do
    @length_of_time = []
    10.times do
      start_time = Time.now
      yield
      @length_of_time << Time.now - start_time
    end
  end
  puts "Average runtime #{@length_of_time.sum / 10.0} seconds. Max time #{@length_of_time.max}.seconds"
end