Parse goroutines dump (get by kill -6 PID) and group by count of file:line

golang_parse_goroutines_dump.rb

contents = File.read('goroutines_dump.txt')
p = contents.scan(/goroutine\s(\d+).+?^\t(\S+\.go:\d+)/m)
counts = Hash.new(0)
p.each do |el|
        counts[el[1]] += 1
end

puts counts.sort_by { |k,v| -v }