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How to use sum_cpu_counter_by_index method in lisa

Best Python code snippet using lisa_python

sriov.py

Source:sriov.py

...615            assert_that(len(initial_pci_interrupts_by_irqs)).described_as(616                "initial irqs count should be greater than 0"617            ).is_greater_than(0)618            initial_pci_interrupts_by_cpus = (619                client_interrupt_inspector.sum_cpu_counter_by_index(620                    client_nic_info.pci_slot621                )622            )623            assert_that(len(initial_pci_interrupts_by_cpus)).described_as(624                "initial cpu count of interrupts should be equal to cpu count"625            ).is_equal_to(client_cpu_count)626            matched_server_nic_info: NicInfo627            for _, server_nic_info in vm_nics[server_node.name].items():628                if (629                    server_nic_info.ip_addr.rsplit(".", maxsplit=1)[0]630                    == client_nic_info.ip_addr.rsplit(".", maxsplit=1)[0]631                ):632                    matched_server_nic_info = server_nic_info633                    break634            assert (635                matched_server_nic_info636            ), "not found the server nic has the same subnet of"637            f" {client_nic_info.ip_addr}"638            # 3. Start iperf3 for 120 seconds with 128 threads on client node.639            client_iperf3.run_as_client(640                server_ip=matched_server_nic_info.ip_addr,641                run_time_seconds=120,642                parallel_number=128,643                client_ip=client_nic_info.ip_addr,644            )645            # 4. Get final interrupts sum per irq number on client node.646            final_pci_interrupts_by_irqs = (647                client_interrupt_inspector.sum_cpu_counter_by_irqs(648                    client_nic_info.pci_slot,649                    exclude_key_words=["pages", "cmd", "async"],650                )651            )652            assert_that(len(final_pci_interrupts_by_irqs)).described_as(653                "final irqs count should be greater than 0"654            ).is_greater_than(0)655            for init_interrupts_irq in initial_pci_interrupts_by_irqs:656                init_irq_number = list(init_interrupts_irq)[0]657                init_interrupts_value = init_interrupts_irq[init_irq_number]658                for final_interrupts in final_pci_interrupts_by_irqs:659                    final_irq_number = list(final_interrupts)[0]660                    final_interrupts_value = final_interrupts[final_irq_number]661                    if init_irq_number == final_irq_number:662                        break663                # 5. Compare interrupts changes, expected to see interrupts increased.664                assert_that(final_interrupts_value).described_as(665                    f"irq {init_irq_number} didn't have an increased interrupts count"666                    " after iperf3 run!"667                ).is_greater_than(init_interrupts_value)668            # 6. Get final interrupts sum per cpu on client node.669            final_pci_interrupts_by_cpus = (670                client_interrupt_inspector.sum_cpu_counter_by_index(671                    client_nic_info.pci_slot672                )673            )674            assert_that(len(final_pci_interrupts_by_cpus)).described_as(675                "final cpu count of interrupts should be equal to cpu count"676            ).is_equal_to(client_cpu_count)677            unused_cpu = 0678            for cpu, init_interrupts_value in initial_pci_interrupts_by_cpus.items():679                final_interrupts_value = final_pci_interrupts_by_cpus[cpu]680                # 7. Collect cpus which don't have interrupts count increased.681                if final_interrupts_value == init_interrupts_value:682                    unused_cpu += 1683            # 8. Compare interrupts count changes, expected half of cpus' interrupts684            #    increased....

interrupt_inspector.py

Source:interrupt_inspector.py

...94        ]95        for interrupt in matched_interrupts:96            interrupts_sum_by_irqs.append({interrupt.irq_number: interrupt.counter_sum})97        return interrupts_sum_by_irqs98    def sum_cpu_counter_by_index(self, pci_slot: str) -> Dict[int, int]:99        interrupts_sum_by_cpus: Dict[int, int] = {}100        interrupts = self.get_interrupt_data()101        matched_interrupts = [x for x in interrupts if pci_slot in x.metadata]102        for cpu_index in range(0, len(matched_interrupts[0].cpu_counter)):103            interrupts_sum_by_cpus[cpu_index] = self._get_sum_of_interrupt_data_per_cpu(104                matched_interrupts, cpu_index105            )106        return interrupts_sum_by_cpus107    def _get_sum_of_interrupt_data_per_cpu(108        self, interrupts: List[Interrupt], index: int109    ) -> int:110        sum = 0111        for interrupt in interrupts:112            sum += interrupt.cpu_counter[index]...

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