Class: Trashed::Instruments::RubyGC

Inherits:
Object
  • Object
show all
Defined in:
lib/trashed/instruments/ruby_gc.rb

Constant Summary collapse

MEASUREMENTS = 
{
  :count => :'GC.count',
  :major_gc_count => :'GC.major_count',
  :minor_gc_count => :'GC.minor_gc_count',
  :total_allocated_object => :'GC.allocated_objects',
  :total_freed_object => :'GC.freed_objects'
}

Instance Method Summary collapse

Instance Method Details

#measure(state, timings, gauges) ⇒ Object 



16
17
18
19
20
21
22
23
24
25
 
# File 'lib/trashed/instruments/ruby_gc.rb', line 16

def measure(state, timings, gauges)
  gc = GC.stat
  before = state[:ruby_gc]

  MEASUREMENTS.each do |stat, metric|
    timings[metric] = gc[stat] - before[stat] if gc.include? stat
  end

  gauges.concat gc.map { |k, v| [ :"GC.#{k}", v ] }
end

#start(state, timings, gauges) ⇒ Object 



4
5
6
 
# File 'lib/trashed/instruments/ruby_gc.rb', line 4

def start(state, timings, gauges)
  state[:ruby_gc] = GC.stat
end