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37 lines
847 B
Lua
37 lines
847 B
Lua
require("zmq")
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if not arg[3] then
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print("usage: lua remote_lat.lua <connect-to> <message-size> <roundtrip-count>")
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os.exit()
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end
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local connect_to = arg[1]
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local message_size = tonumber(arg[2])
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local roundtrip_count = tonumber(arg[3])
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local ctx = zmq.init(1, 1)
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local s = zmq.socket(ctx, zmq.REQ)
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zmq.connect(s, connect_to)
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local msg = ""
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for i = 1, message_size do msg = msg .. "0" end
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local start_time = os.time()
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for i = 1, roundtrip_count do
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zmq.send(s, msg)
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msg = zmq.recv(s)
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end
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local end_time = os.time()
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zmq.close(s)
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zmq.term(ctx)
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local elapsed = os.difftime(end_time, start_time)
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local latency = elapsed * 1000000 / roundtrip_count / 2
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print(string.format("message size: %i [B]", message_size))
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print(string.format("roundtrip count: %i", roundtrip_count))
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print(string.format("mean latency: %.3f [us]", latency))
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