jni/ruby/sample/time.rb


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#! /usr/bin/env ruby

b = Time.now
system(*ARGV)
e = Time.now

tms = Process.times
real = e - b
user = tms.cutime
sys = tms.cstime

STDERR.printf("%11.1f real %11.1f user %11.1f sys\n", real, user, sys)