diff options
Diffstat (limited to 'perf/python/remote_lat.py')
-rw-r--r-- | perf/python/remote_lat.py | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/perf/python/remote_lat.py b/perf/python/remote_lat.py index ac73595..372f567 100644 --- a/perf/python/remote_lat.py +++ b/perf/python/remote_lat.py @@ -20,39 +20,40 @@ import sys from datetime import datetime import libpyzmq -import time - def main (): - if len(sys.argv) != 5: - print ('usage: py_remote_lat <in-interface> ' + - '<out-interface> <message-size> <roundtrip-count>') + if len(sys.argv) != 4: + print 'usage: remote_lat <connect-to> <roundtrip-count> <message-size>' sys.exit (1) try: - message_size = int (sys.argv [3]) - roundtrip_count = int (sys.argv [4]) + connect_to = sys.argv [1] + message_size = int (sys.argv [2]) + roundtrip_count = int (sys.argv [3]) except (ValueError, OverflowError), e: print 'message-size and message-count must be integers' sys.exit (1) - z = libpyzmq.Zmq () + ctx = libpyzmq.Context (1, 1); + s = libpyzmq.Socket (ctx, libpyzmq.REQ) + s.connect (connect_to) + + msg = ''.join ([' ' for n in range (0, message_size)]) + + start = datetime.now () - context = z.context (1,1) - - in_socket = z.socket (context, libpyzmq.ZMQ_SUB) - out_socket = z.socket (context, libpyzmq.ZMQ_PUB) - - z.connect (in_socket, addr = in_interface) - z.connect (out_socket, addr = out_interface) - for i in range (0, roundtrip_count): - list = z.receive (in_socket, True) - message = list [1] - z.send (out_socket, message, True) - - time.sleep (2) + s.send (msg) + msg = s.recv () + assert len (msg) == message_size + + end = datetime.now () + delta = (end - start).microseconds + 1000000 * (end - start).seconds + latency = delta / roundtrip_count / 2 + print "message size: %.0f [B]" % (message_size, ) + print "roundtrip count: %.0f" % (roundtrip_count, ) + print "mean latency: %.3f [us]" % (latency, ) if __name__ == "__main__": main () |