dir = ENV.fetch("PSI_DIR", "/proc/pressure")
time = Time.local.to_s("%s%9N")

Dir.children(dir).each do |ressource|
  File.read_lines("#{dir}/#{ressource}").each do |line|
    parts = line.split
    type = parts[0]
    metrics = parts[1..-1].map{ |part| part.split('=')}.to_h

    puts %(pressure_stall_avg,ressource="#{ressource}",type=#{type} avg10=#{metrics["avg10"]},avg60=#{metrics["avg60"]},avg300=#{metrics["avg300"]} #{time})
    puts %(pressure_stall_total,ressource="#{ressource}",type=#{type} total=#{metrics["total"]} #{time})
  end
end