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02f6f52fdc
Add new MosquittoBroker class to remove test boilerplate. This only handles non-config cases so far.
48 lines
1.8 KiB
Python
Executable file
48 lines
1.8 KiB
Python
Executable file
#!/usr/bin/env python3
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# Check for performance of processing user-property on CONNECT
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from mosq_test_helper import *
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from psutil import Process as ProcessInfo
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def do_test():
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num_connects = 1000
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num_props = 5000
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props = mqtt5_props.gen_string_pair_prop(mqtt5_props.USER_PROPERTY, "key", "value")
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for i in range(0, num_props):
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props += mqtt5_props.gen_string_pair_prop(mqtt5_props.USER_PROPERTY, "key", "value")
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connect_packet_slow = mqtt_packets.gen_connect("connect-user-property", proto_ver=5, properties=props)
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connect_packet_fast = mqtt_packets.gen_connect("a"*65000, proto_ver=5)
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connack_packet = mqtt_packets.gen_connack(rc=0, proto_ver=5)
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port = mosq_test.get_port()
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broker = MosquittoBroker(port=port)
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with broker:
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broker_info = ProcessInfo(broker._process.pid)
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cpu_user_start = broker_info.cpu_times().user
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for i in range(num_connects):
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sock = mosq_test.do_client_connect(connect_packet_slow, connack_packet, port=port)
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sock.close()
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cpu_user_end = broker_info.cpu_times().user
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cpu_user_with_props = cpu_user_end - cpu_user_start
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cpu_user_start = cpu_user_end
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for i in range(num_connects):
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sock = mosq_test.do_client_connect(connect_packet_fast, connack_packet, port=port)
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sock.close()
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cpu_user_end = broker_info.cpu_times().user
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cpu_user_without_props = cpu_user_end - cpu_user_start
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# 20 is chosen as a factor that works in plain mode and running under
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# valgrind. The slow performance manifests as a factor of >100. Fast is <10.
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if cpu_user_with_props / cpu_user_without_props < 20.0:
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pass
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else:
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raise ValueError(f"CPU usage ratio with/without properties is {cpu_user_with_props / cpu_user_without_props}")
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if __name__ == '__main__':
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do_test()
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