71 lines
1.7 KiB
Ruby
71 lines
1.7 KiB
Ruby
require 'RMagick'
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include Magick
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# Create a dummy list including 300 cores, with a load between 0 and 100
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numberGenerator = Random.new()
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# heatmap over 5 minutes by one measure per 5 sec
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dummyList = Array.new(60) do
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# 16 dummy cores
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# lets say 7 cores have a load up to 10%
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# 5 have a load up to 30%
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# 3 have a load up to 70%
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# and 1 has a load up to 100%
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j = 0
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cores = Array.new(16) do
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j = j + 1
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case
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when j <= 7
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numberGenerator.rand(10)
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when (j >= 8 and j <= 12)
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numberGenerator.rand(30)
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when (j >= 13 and j <= 15)
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numberGenerator.rand(70)
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when j == 16
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numberGenerator.rand(100)
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end
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end
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# Add all loads to compute how much % is one % load
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loadSum = 0
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cores.each { |core| loadSum = loadSum + core }
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percentLoad = 100.0/loadSum
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# every 10 load percent one heatpoint
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i = 0
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Array.new(10) do
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# get all cores in the certain percentage
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selectedCores= cores.select { |core| core >= i and core < (i+10)}
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# (go to next level here)
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i = i + 10
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# add the load of the resulting cores and multiply it with the overall value
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loadSum = 0
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selectedCores.each { |core| loadSum = loadSum + core }
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percent = loadSum*percentLoad
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end
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end
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# puts dummyList.inspect
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# start drawing the damn thing
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loadImg = Image.new(900,150) { self.background_color = "white" }
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i = 0
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dummyList.each do |point|
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j = 0
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point.reverse.each do |cores|
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# draw a red rectangle on the white background
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core = Draw.new
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l = (255-((cores*1.275))).round
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core.fill(Pixel.from_hsla(0, 255, l, 1).to_color)
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core.rectangle((i*15), (j*15), ((i+1)*15), ((j+1)*15))
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core.draw loadImg
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j = j + 1
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end
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i = i + 1
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end
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loadImg.display
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