"""
Program that just does busywork, yields stdout/stderr and ignores stdin.

Useful for measuring CPU usage of the code interfacing with it without
expecting the test environment to have much of anything.

Accepts a single argv argument, which is the number of cycles to run.
"""

import sys
import time


num_cycles = int(sys.argv[1])

for i in range(num_cycles):
    out = "[{}] This is my stdout, there are many like it, but...\n".format(i)
    sys.stdout.write(out)
    sys.stdout.flush()
    err = "[{}] To err is human, to stderr is superhuman\n".format(i)
    sys.stderr.write(err)
    sys.stderr.flush()
    time.sleep(0.1)