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How to use _create_stimer_interrupts method in lisa

Best Python code snippet using lisa_python

cpu.py

Source:cpu.py

...117    def verify_vmbus_interrupts(self, node: Node, log: Logger) -> None:118        found_hyperv_interrupt = False119        cpu_count = node.tools[Lscpu].get_core_count()120        log.debug(f"{cpu_count} CPU cores detected...")121        self._create_stimer_interrupts(node, cpu_count)122        interrupt_inspector = node.tools[InterruptInspector]123        interrupts = interrupt_inspector.get_interrupt_data()124        for interrupt in interrupts:125            is_hyperv_interrupt = any(126                [(substr in interrupt.metadata) for substr in hyperv_interrupt_substr]127            )128            if not is_hyperv_interrupt:129                continue130            log.debug(f"Processing Hyper-V interrupt : {interrupt}")131            assert_that(132                len(interrupt.cpu_counter),133                "Hyper-v interrupts should have count for each cpu.",134            ).is_equal_to(cpu_count)135            if interrupt.irq_number == "HRE" or "reenlightenment" in interrupt.metadata:136                assert_that(137                    all(138                        [139                            interrupt_count == 0140                            for interrupt_count in interrupt.cpu_counter141                        ]142                    ),143                    "Hyper-V reenlightenment interrupts should be 0 on each vCPU "144                    "unless the VM is doing migration.",145                ).is_greater_than_or_equal_to(True)146            elif interrupt.irq_number == "HYP" or "callback" in interrupt.metadata:147                assert_that(148                    sum(149                        [150                            interrupt_count > 0151                            for interrupt_count in interrupt.cpu_counter152                        ]153                    ),154                    "Hypervisor callback interrupt should be processed by "155                    "atleast min(#vCPU, 4) vCPU's",156                ).is_greater_than_or_equal_to(min(cpu_count, 4))157            elif interrupt.irq_number == "HVS" or "stimer" in interrupt.metadata:158                assert_that(159                    all(160                        [161                            interrupt_count > 0162                            for interrupt_count in interrupt.cpu_counter163                        ]164                    ),165                    "Hypervisor synthetic timer interrupt should be processed by "166                    "all vCPU's",167                ).is_equal_to(True)168            else:169                continue170            found_hyperv_interrupt = True171        # Fail test execution if these hyper-v interrupts are not showing up172        if not found_hyperv_interrupt:173            raise LisaException("Hyper-V interrupts are not recorded.")174    def _create_stimer_interrupts(self, node: Node, cpu_count: int) -> None:175        # Run CPU intensive workload to create hyper-v synthetic timer176        # interrupts.177        # Steps :178        # 1. Run `yes` program on each vCPU in a subprocess.179        # 2. Wait for one second to allow enough time for processing interrupts.180        # 3. Kill the spawned subprocess.181        for i in range(1, cpu_count):182            process = node.tools[TaskSet].run_on_specific_cpu(i)183            time.sleep(1)...

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