canonical.rb

# Intended to run inside this directory:
# https://github.com/gregkh/kernel-history/tree/master/logs/summaries

# sort release in proper ascending order
paths = Dir.glob("results*").sort_by do |path|
  m = path.match(/results-(\d)\.(\d+)\.?(\d+)?/)
  "#{m[1]}.#{m[2].rjust(2,"0")}.#{m[3].to_s.rjust(2,"0")}"
end

puts "Canonical contributions"
total = 0

stats = paths.each do |path|
  kernel = "#{path.match(/results-(.+)/)[1]}:".ljust(10)
  lines = File.read(path).lines
  start = lines.index { |line| line =~ /Top changeset contributors by employer/ rescue nil }
  stop = lines.index { |line| line =~ /Top lines changed by employer/ rescue nil }
  top = lines[start..stop]
  canonical_i = top.index { |line| line =~ /Canonical/ rescue nil }
  if canonical_i
    changes = top[canonical_i].match(/ +(\d+) \(/)[1].to_i
    total += changes
    puts "#{kernel} #{changes.to_s.rjust(2)} (Rank: #{canonical_i.to_s.rjust(3)})"
  else
    puts "#{kernel} No participation"
  end
end

puts nil, "Total: #{total} contributions"

canonical.txt

Canonical contributions
2.6.11:    No participation
2.6.12:    No participation
2.6.13:    No participation
2.6.14:    No participation
2.6.15:    No participation
2.6.16:     1 (Rank:  88)
2.6.17:    No participation
2.6.18:    No participation
2.6.19:    No participation
2.6.20:    No participation
2.6.21:    No participation
2.6.22:     1 (Rank: 130)
2.6.23:     2 (Rank: 104)
2.6.24:     1 (Rank: 150)
2.6.25:     2 (Rank: 135)
2.6.26:     2 (Rank: 130)
2.6.27:     4 (Rank:  99)
2.6.28:     4 (Rank: 102)
2.6.29:    34 (Rank:  41)
2.6.30:    18 (Rank:  74)
2.6.31:    11 (Rank:  79)
2.6.32:    35 (Rank:  43)
2.6.33:     9 (Rank:  86)
2.6.34:    36 (Rank:  41)
2.6.35:    19 (Rank:  63)
2.6.36:    51 (Rank:  33)
2.6.37:    56 (Rank:  34)
2.6.38:    57 (Rank:  32)
2.6.39:    45 (Rank:  41)
3.0:       24 (Rank:  54)
3.1:       27 (Rank:  51)
3.2:       46 (Rank:  40)
3.3:       53 (Rank:  36)
3.4:       48 (Rank:  45)
3.5:       35 (Rank:  48)
3.6:       89 (Rank:  26)
3.7:       90 (Rank:  28)
3.8:       91 (Rank:  29)
3.9:       84 (Rank:  29)
3.10:      58 (Rank:  42)
3.11:      81 (Rank:  28)
3.12:      55 (Rank:  41)
3.13:      48 (Rank:  42)
3.14:      28 (Rank:  61)
3.15:      25 (Rank:  60)
3.16:      34 (Rank:  46)

Total: 1304 contributions