Class: BetterCap::Memory

Inherits:
Object
  • Object
show all
Defined in:
lib/bettercap/memory.rb

Overview

This class is responsible for garbage collection and memory stats printing.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Memory

Returns a new instance of Memory.



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# File 'lib/bettercap/memory.rb', line 17

def initialize
  GC.enable
  s = GC.stat
  @total_allocs = s[:total_allocated_objects]
  @total_freed  = s[:total_freed_objects]
end

Instance Method Details

#optimize! ⇒ Object 



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# File 'lib/bettercap/memory.rb', line 24

def optimize!
  GC.start
  begin
    s          = GC.stat
    new_allocs = s[:total_allocated_objects]
    new_freed  = s[:total_freed_objects]
    allocs_d   = nil
    freed_d    = nil

    if new_allocs < @total_allocs
      allocs_d = new_allocs.to_s.green
    elsif new_allocs > @total_allocs
      allocs_d = new_allocs.to_s.red
    else
      allocs_d = new_allocs
    end

    if new_freed < @total_freed
      freed_d = new_freed.to_s.red
    elsif new_freed > @total_freed
      freed_d = new_freed.to_s.green
    else
      freed_d = new_freed
    end

    Logger.debug "GC: allocd objects: #{allocs_d} freed objects: #{freed_d}"

    @total_allocs = new_allocs
    @total_freed  = new_freed
  rescue; end
end