class Memory

Public Class Methods

perform(file, plot) click to toggle source
# File lib/barrage/memory.rb, line 5
def self.perform(file, plot)
  plot.title  "Memory Usage"
  plot.xlabel "time"
  plot.ylabel "memory (megabytes)"

  parsed = DstatParser.parse(file, 7)
  plot.data << Gnuplot::DataSet.new( [parsed[0], parsed[1]] ) do |ds|
    ds.title = "used"
    ds.with = "filledcurve linetype 7"
    ds.linewidth = 2
    ds.using = "1:(\$2 / 1024**2)"
  end

  parsed = DstatParser.parse(file, 8)
  plot.data << Gnuplot::DataSet.new( [parsed[0], parsed[1]] ) do |ds|
    ds.title = "buffered"
    ds.with = "filledcurve linetype 3"
    ds.linewidth = 2
    ds.using = "1:(\$2 / 1024**2)"
  end

  parsed = DstatParser.parse(file, 9)
  plot.data << Gnuplot::DataSet.new( [parsed[0], parsed[1]] ) do |ds|
    ds.title = "cached"
    ds.with = "filledcurve linetype 5"
    ds.linewidth = 2
    ds.using = "1:(\$2 / 1024**2)"
  end
end