lua script for wrk tool to get raw latency

report-raw-latency.lua

-- done() function that prints latency percentiles as CSV

done = function(summary, latency, requests)
   epoch = os.time()
   f = io.open(epoch .. ".csv", "a+")
   f.write("------------------------------\n")
   f.write("epoch", os.time())
   f.write("number_requests:", summary.requests)

-- for i, val in ipairs(latency) do
   for i = 1, summary.requests do
      val = latency(i)
      f.write(string.format("%g\t %d \n", i, val))
   end
end