Contents

# -*- encoding: utf-8 -*-

require 'active_support/core_ext/numeric/bytes'

require 'evented_bluepill/process_conditions/process_condition'
require 'evented_bluepill/system'

module EventedBluepill
  module ProcessConditions
    class MemUsage < ProcessCondition
      KB = 1024.0
      MB = KB ** 2
      FORMAT_STR = "%.1f%s"
      MB_LABEL = "MB"
      KB_LABEL = "KB"

      def initialize(name, process, options = {})
        @below = options[:below]

        super
      end

      def run
        # rss is on the 5th col
        EventedBluepill::System.memory_usage(process.actual_pid).to_f.kilobytes
      end

      def check(value)
        value < @below
      end

      def format_value(value)
        if value >= MB
          FORMAT_STR % [(value / MB), MB_LABEL]
        else
          FORMAT_STR % [(value / KB), KB_LABEL]
        end
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
evented_bluepill-0.0.52	lib/evented_bluepill/process_conditions/mem_usage.rb
evented_bluepill-0.0.51	lib/evented_bluepill/process_conditions/mem_usage.rb
evented_bluepill-0.0.50	lib/evented_bluepill/process_conditions/mem_usage.rb