› perl -MBenchmark=timeit,timestr,:hireswallclock -E"say timestr timeit 10, sub { system q(curl http://localhost:5000) }" connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds connect took 3.0299610154043 seconds 2.93921 wallclock secs ( 0.03 usr + 0.06 sys = 0.09 CPU) @ 107.53/s (n=10)