blob: a10878e40e7885ee2b1f2758e9c0c14f1822d9ed [file] [log] [blame]
AUTHOR = " (Kelly Lucas)"
NAME = "Netpipe Basic"
TEST_CLASS = 'Hardware'
TEST_TYPE = "Server"
DOC = """
netpipe_test is a test which produces bandwidth and latency values for
incrementing buffer sizes.
Arguments to run_test:
bidirectional - indicates whether the test should run simultaneously in both
buffer_size - Sets the send and receive TCP buffer sizes (from man NPtcp)
upper_bound - Specify the upper boundary to the size of message being tested.
By default, NetPIPE will stop when the time to transmit a block
exceeds one second. (from man NPtcp)
variance - NetPIPE chooses the message sizes at regular intervals,
increasing them exponentially from the lower boundary to the
upper boundary. At each point, it also tests perturbations of 3
bytes above and 3 bytes below (default) each test point to find
idiosyncrasies in the system. This perturbation value can be
changed using using this option or turned off by setting
perturbation_size to 0. (from man NPtcp)
from autotest_lib.server import utils
buffer_size = 1048576
upper_bound = 1048576
variance = 17
def run(pair):
job.run_test('netpipe', pair=pair, buffer=buffer_size,
upper_bound=upper_bound, variance=variance)
# grab the pairs (and failures)
(pairs, failures) = utils.form_ntuples_from_machines(machines, 2)
# log the failures
for failure in failures:
job.record("FAIL", failure[0], "netpipe", failure[1])
# now run through each pair and run
job.parallel_simple(run, pairs, log=False)