irq.graph

title   "CPU IRQ Usage"
vtitle  "percent"
area    :stacked

service :munin, :cpu do
  field :irq,    :derivative => true,
                 :scale => 0.001,
                 :color => "red",
                 :alias => "IRQ"

  field :softirq, :derivative => true,
                  :scale => 0.001,
                  :color => "yellow",
                  :alias => "Batched IRQ"
end

overview.graph

title   "CPU Usage"
vtitle  "percent"
area    :stacked

service :munin, :cpu do
  field :iowait, :derivative => true,
                 :scale => 0.001,
                 :color => "red",
                 :alias => "IO Wait"

  field :system, :derivative => true,
                 :scale => 0.001,
                 :color => "orange",
                 :alias => "System"

  field :user,   :derivative => true,
                 :scale => 0.001,
                 :color => "yellow",
                 :alias => "User"
end