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How to use get_forwarded_count method in lisa

Best Python code snippet using lisa_python

performance.py

Source:performance.py

...405                ),406            ]407        )408        # capture existing stats to calculate delta409        original_forwarded_count = get_forwarded_count(410            node=forwarder,411            nic=forwarder_nic,412            previous_count=0,413            log=log,414        )415        original_dropped_count = get_dropped_count(416            node=receiver,417            nic=receiver_nic,418            previous_count=0,419            log=log,420        )421        try:422            # start xdpdump423            forwarder_xdpdump.start_async(nic_name=forwarder_nic.upper, timeout=0)424            receiver_xdpdump.start_async(nic_name=receiver_nic.upper, timeout=0)425            pktgen_result = self._send_packets(426                is_multi_threads, sender, pktgen, sender_nic, forwarder_nic427            )428            self._wait_packets_proceeded(429                log, receiver, receiver_nic, original_dropped_count430            )431        finally:432            # kill xdpdump processes.433            forwarder_kill = forwarder.tools[Kill]434            forwarder_kill.by_name("xdpdump")435            receiver_kill = receiver.tools[Kill]436            receiver_kill.by_name("xdpdump")437        # capture stats to calculate delta438        dropped_count = get_dropped_count(439            node=receiver,440            nic=receiver_nic,441            previous_count=original_dropped_count,442            log=log,443        )444        forwarded_count = get_forwarded_count(445            node=forwarder,446            nic=forwarder_nic,447            previous_count=original_forwarded_count,448            log=log,449        )450        # In some nodes like synthetic nic, there is no forward counter,451        # so count it by dropped count.452        validate_count = forwarded_count453        if not validate_count:454            validate_count = dropped_count455        log.debug(456            f"sender pktgen result: {pktgen_result}, "457            f"on forwarder: {forwarded_count}, "458            f"on receiver: {dropped_count}"...

common.py

Source:common.py

...25        xdpdump = node.tools[XdpDump]26    except UnsupportedDistroException as identifier:27        raise SkippedException(identifier)28    return xdpdump29def get_forwarded_count(30    node: Node, nic: NicInfo, previous_count: int, log: Logger31) -> int:32    return _aggregate_count(33        node=node,34        nic=nic,35        previous_count=previous_count,36        log=log,37        counter_name="xdp forwarded",38        patterns=_tx_forwarded_patterns,39    )40def get_dropped_count(41    node: Node, nic: NicInfo, previous_count: int, log: Logger42) -> int:43    return _aggregate_count(...

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