Contents

interval 60
always_start true

collect :os => 'linux' do
  m = File.read('/proc/meminfo').split(/\n/).inject({}) do |info, line|
    x          = line.split(/:?\s+/)
    info[x[0]] = x[1].to_i
    info
  end

  free          = m['MemFree'].to_i * 1024
  cached        = m['Cached'].to_i * 1024
  buffers       = m['Buffers'].to_i * 1024
  total         = m['MemTotal'].to_i * 1024
  used          = total - free
  free_bc       = free + buffers + cached
  fraction      = 1 - (free_bc.to_f / total)
  swap_fraction = m['SwapTotal'] == 0 ? 0 : 1 - m['SwapFree'].to_f/m['SwapTotal']

  event(:service => 'memory % free', :desc => 'Memory usage, %', :metric => fraction.round(2) * 100, :critical => 85, :warning => 75)
  event(:service => 'memory % swap', :desc => 'Swap usage, %', :metric => swap_fraction.round(2) * 100, :critical => 85, :warning => 75)
  event(:service => 'memory abs free', :desc => 'Memory free (kB)', :metric => free, :state => 'ok')
  event(:service => 'memory abs total', :desc => 'Memory total (kB)', :metric => total, :state => 'ok')
  event(:service => 'memory abs cached', :desc => 'Memory usage, cached (kB)', :metric => cached, :state => 'ok')
  event(:service => 'memory abs buffers', :desc => 'Memory usage, buffers (kB)', :metric => buffers, :state => 'ok')
  event(:service => 'memory abs used', :desc => 'Memory usage, used (kB)', :metric => used, :state => 'ok')
  event(:service => 'memory abs free_bc', :desc => 'Memory usage with cache and buffers (kB)', :metric => free_bc, :state => 'ok')
end

Version data entries

13 entries across 13 versions & 1 rubygems

Version	Path
kurchatov-0.0.5.pre4	examples/memory.rb
kurchatov-0.0.5.pre2	examples/memory.rb
kurchatov-0.0.5.pre1	examples/memory.rb
kurchatov-0.0.4	examples/memory.rb
kurchatov-0.0.4d	examples/memory.rb
kurchatov-0.0.4c	examples/memory.rb
kurchatov-0.0.4b	examples/memory.rb
kurchatov-0.0.3	examples/memory.rb
kurchatov-0.0.3b	examples/memory.rb
kurchatov-0.0.3a	examples/memory.rb
kurchatov-0.0.2	examples/memory.rb
kurchatov-0.0.2b	examples/memory.rb
kurchatov-0.0.1	examples/memory.rb