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# 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
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