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antekone/find_highest_oom_score.rb

Created April 6, 2017 06:26
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find_highest_oom_score.rb
highest = 0
highest_score = 0
Dir["/proc/*"].each() do |pidstr|
next if not pidstr =~ /^\/proc\/([0-9]+)$/
pid = $1.to_i
score = IO.readlines("/proc/#{pid}/oom_score").join().to_i
if score > highest_score
highest_score = score
highest = pid
end
end
puts("oom killer target: pid #{highest}, score: #{highest_score}")
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