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How to use perf_tcp_latency method in lisa

Best Python code snippet using lisa_python

common.py

Source:common.py

...121def reset_raid(node: Node, disk_list: List[str]) -> None:122    stop_raid(node)123    mdadm = node.tools[Mdadm]124    mdadm.create_raid(disk_list)125def perf_tcp_latency(test_result: TestResult) -> List[NetworkLatencyPerformanceMessage]:126    environment = test_result.environment127    assert environment, "fail to get environment from testresult"128    client = cast(RemoteNode, environment.nodes[0])129    server = cast(RemoteNode, environment.nodes[1])130    client_lagscope = client.tools[Lagscope]131    server_lagscope = server.tools[Lagscope]132    try:133        for lagscope in [client_lagscope, server_lagscope]:134            lagscope.set_busy_poll()135        server_lagscope.run_as_server(ip=server.internal_address)136        latency_perf_messages = client_lagscope.create_latency_performance_messages(137            client_lagscope.run_as_client(server_ip=server.internal_address),138            inspect.stack()[1][3],139            test_result,...

networkperf.py

Source:networkperf.py

...44            network_interface=Synthetic(),45        ),46    )47    def perf_tcp_latency_synthetic(self, result: TestResult) -> None:48        perf_tcp_latency(result)49    @TestCaseMetadata(50        description="""51        This test case uses lagscope to test sriov network latency.52        """,53        priority=2,54        requirement=simple_requirement(55            min_count=2,56            network_interface=Sriov(),57        ),58    )59    def perf_tcp_latency_sriov(self, result: TestResult) -> None:60        perf_tcp_latency(result)61    @TestCaseMetadata(62        description="""63        This test case uses sar to test synthetic network PPS (Packets Per Second)64         when running netperf with single port.65        """,66        priority=3,67        timeout=PPS_TIMEOUT,68        requirement=simple_requirement(69            min_count=2,70            network_interface=Synthetic(),71        ),72    )73    def perf_tcp_single_pps_synthetic(self, result: TestResult) -> None:74        perf_tcp_pps(result, "singlepps")...

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