180 lines
4.4 KiB
Ruby
Executable File
180 lines
4.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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#
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# ruby program to generate a performance report in PDF/png over git revisions, based on work
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# originally done for gegl by pippin@gimp.org, the original program is in the public domain.
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require 'cairo'
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def cairo_surface(w,h)
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surface = Cairo::PDFSurface.new("report.pdf", w,h)
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cr = Cairo::Context.new(surface)
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yield(cr)
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end
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class Database
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def initialize()
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@vals = Hash.new
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@runs = Array.new
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@colors = [
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[0,1,0, 0.8],
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[0,1,1, 0.8],
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[1,0,0, 0.8],
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[1,0,1, 0.8],
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[1,1,0, 0.8],
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#[0.5,0.5,0.5,0.8],
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# gray doesnt have sufficient contrast against background
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[0.5,0.5,1, 0.8],
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[0.5,1,0.5, 0.8],
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[0.5,1,1, 0.8],
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[1,0.5,0.5, 0.8],
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[1,0.5,1, 0.8],
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[1,1,0.5, 0.8],
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[1,1,1, 0.8],
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]
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@width = 1800
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@height = 500
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@marginlx = 10
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@marginrx = 180
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@rgap = 40
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@marginy = 10
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end
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def val_max(key)
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max=0
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@runs.each { |run|
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val = @vals[key][run]
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if val and val > max
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max = val
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end
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}
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max
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end
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def val_min(key)
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min=9999990
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@runs.each { |run|
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val = @vals[key][run]
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min = val if val and val < min
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}
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#min
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0 # this shows the relative noise in measurements better
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end
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def add_run(run)
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@runs = @runs + [run]
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end
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def add_entry(run, name, val)
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if !@vals[name]
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@vals[name]=Hash.new
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end
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# check if there is an existing value,
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# and perhaps have different behaviors
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# associated with
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@vals[name][run] = val.to_f
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end
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def drawbg cr
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cr.set_source_rgba(0.2, 0.2, 0.2, 1)
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cr.paint
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i=0
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@runs.each { |run|
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if i % 2 == 1
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cr.move_to 1.0 * i / @runs.length * (@width - @marginlx-@marginrx) + @marginlx, 0 * (@height - @marginy*2) + @marginy
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cr.line_to 1.0 * i / @runs.length * (@width - @marginlx-@marginrx) + @marginlx, 1.0 * (@height - @marginy*2) + @marginy
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cr.rel_line_to(1.0 / @runs.length * (@width - @marginlx-@marginrx), 0)
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cr.rel_line_to(0, -(@height - @marginy*2))
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cr.set_source_rgba([0.25,0.25,0.25,1])
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cr.fill
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end
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i+=1
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}
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end
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def drawtext cr
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i = 0
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@runs.each { |run|
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y = i * 10 + 20
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while y > @height - @marginy
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y = y - @height + @marginy + 10
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end
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cr.move_to 1.0 * i / @runs.length * (@width - @marginlx-@marginrx) + @marginlx, y
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cr.set_source_rgba(0.6,0.6,0.6,1)
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cr.show_text(run[0..6])
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i+=1
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}
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end
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def draw_limits cr, key
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cr.move_to @width - @marginrx + @rgap, 20
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cr.set_source_rgba(1.0, 1.0, 1.0, 1.0)
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cr.show_text(" #{val_max(key)} ")
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cr.move_to @width - @marginrx + @rgap, @height - @marginy
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cr.show_text(" #{val_min(key)} ")
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end
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def draw_val cr, key, valno
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min = val_min(key)
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max = val_max(key)
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cr.set_source_rgba(@colors[valno])
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cr.move_to(@width - @marginrx + @rgap, valno * 14 + @marginy + 20)
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cr.show_text(key)
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cr.line_width = 2
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cr.new_path
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i = 0
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@runs.each { |run|
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val = @vals[key][run]
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if val
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cr.line_to 1.0 * (i+0.5) / @runs.length * (@width - @marginlx-@marginrx) + @marginlx,
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(1.0 - ((val-min) * 1.0 / (max - min))) * (@height - @marginy*2) + @marginy
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end
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i = i + 1
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}
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cr.stroke
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end
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def create_report
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cairo_surface(@width, @height) { |cr|
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drawbg cr
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valno = 0
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@vals.each { |key, value|
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draw_val cr, key, valno
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valno += 1
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}
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drawtext cr
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cr.target.write_to_png("report.png")
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valno = 0
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@vals.each { |key, value|
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cr.show_page
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drawbg cr
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draw_val cr, key, valno
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drawtext cr
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draw_limits cr, key
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valno += 1
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}
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}
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end
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end
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generator = Database.new
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items = File.open('jobs').each { |rev|
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rev.strip!
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generator.add_run(rev)
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filename = "reports/" + rev;
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if File.exist?(filename)
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File.open(filename).each { |line|
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if line =~ /^@ (.*):(.*)/
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generator.add_entry(rev, $1, $2)
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end
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}
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end
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}
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generator.create_report
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