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"""
Measure latency of SSH RPC.
"""
import sys
import mitogen.core
import mitogen.utils
import ansible_mitogen.affinity
mitogen.utils.setup_gil()
ansible_mitogen.affinity.policy.assign_worker()
try:
xrange
except NameError:
xrange = range
def do_nothing():
pass
@mitogen.main()
def main(router):
f = router.ssh(hostname=sys.argv[1])
f.call(do_nothing)
t0 = mitogen.core.now()
end = mitogen.core.now() + 5.0
i = 0
while mitogen.core.now() < end:
f.call(do_nothing)
i += 1
t1 = mitogen.core.now()
print('++', float(1e3 * (t1 - t0) / (1.0+i)), 'ms')
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