Analyse RVM --trace output

rvm-times.rb

lines = File.readlines(ARGV[0], chomp: true)

min_time = Float(ARGV[1] || 1.0)

data = lines.grep(/^[+]+\s*(\d+\.\d+)/).map { |line|
  line =~ /^[+]+\s*(\d+\.\d+)/ or raise line
  [Float($1), $']
}

class Float
  def to_s
    format("%.2f", self)
  end
end

puts "Total time: #{data.last[0] - data.first[0]}"

long = data.each_cons(2).select { |(t1,c1),(t2,c2)|
  t2 - t1 >= min_time
}.map { |(t1,c1),(t2,c2)|
  [t2-t1, c1]
}

long.each { |t,c|
  puts "#{t}\t#{c}"
}

puts "Sum of times > #{min_time}s: #{long.sum(&:first)}"