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How to use set_num_huge_pages method in avocado

Best Python code snippet using avocado_python

memory_update_device.py

Source:memory_update_device.py

...49        Setup vmxml for test50        """51        set_num_huge_pages = params.get("set_num_huge_pages")52        if set_num_huge_pages:53            utils_memory.set_num_huge_pages(int(set_num_huge_pages))54        libvirt_vmxml.remove_vm_devices_by_type(vm, 'memory')55        vm_attrs = eval(params.get('vm_attrs', '{}'))56        vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)57        vmxml.setup_attrs(**vm_attrs)58        vmxml.sync()59        mem_device_attrs = eval(params.get('mem_device_attrs', '{}'))60        mem_device = Memory()61        mem_device.setup_attrs(**mem_device_attrs)62        virsh.attach_device(vm_name, mem_device.xml, flagstr='--config',63                            debug=True, ignore_status=False)64        test.log.debug("vmxml is {}".format(vm_xml.VMXML.65                                            new_from_dumpxml(vm_name)))66    def run_test_virtio_mem():67        """68        Update memory device for virtio-mem device69        """70        mem_device_attrs = eval(params.get('mem_device_attrs', '{}'))71        vm.start()72        vm_session = vm.wait_for_login()73        cmdRes = vm_session.cmd_output('free -m')74        vm_mem_before = int(re.findall(r'Mem:\s+(\d+)\s+\d+\s+', cmdRes)[-1])75        test.log.debug("VM's memory before updating requested size: %s",76                       vm_mem_before)77        test.log.info("TEST_STEP1: Update requested size for virtio-mem device.")78        vmxml_cur = vm_xml.VMXML.new_from_dumpxml(vm_name)79        mem_dev = vmxml_cur.devices.by_device_tag("memory")[0]80        mem_dev_alias = mem_dev.fetch_attrs()['alias']['name']81        virsh_opts = params.get('virsh_opts') % mem_dev_alias82        virsh.update_memory_device(vm.name, options=virsh_opts,83                                   wait_for_event=True, **VIRSH_ARGS)84        test.log.info("TEST_STEP2: Check requested and current size changes.")85        mem_dev = vm_xml.VMXML.new_from_dumpxml(vm_name).devices.\86            by_device_tag("memory")[0]87        expr_requested_size = int(float(utils_misc.normalize_data_size(88            params.get("requested_size", '80Mib'), order_magnitude='K')))89        for check_item in ['requested_size', 'current_size']:90            test.log.debug("Expected size is {}, Actual size is {}".91                           format(expr_requested_size,92                                  getattr(mem_dev.target, check_item)))93            if getattr(mem_dev.target, check_item) != expr_requested_size:94                test.fail("Incorrect %s! It should be %s, but got %s."95                          % (check_item, expr_requested_size,96                             getattr(mem_dev.target, check_item)))97        test.log.info("TEST_STEP3: Check 'MEMORY_DEVICE_SIZE_CHANGE' in "98                      "libvirtd/virtqemud log")99        log_file = utils_misc.get_path(test.debugdir, "libvirtd.log")100        check_log_str = params.get("check_log_str", "MEMORY_DEVICE_SIZE_CHANGE")101        libvirt.check_logfile(check_log_str, log_file)102        test.log.info("TEST STEP4: Check memory in the VM.")103        cmdRes = vm_session.cmd_output('free -m')104        vm_mem_after = int(re.findall(r'Mem:\s+(\d+)\s+\d+\s+', cmdRes)[-1])105        mem_request_decrease = (mem_device_attrs['target']['requested_size'] -106                                expr_requested_size)/1024107        vm_mem_decrease = vm_mem_before - vm_mem_after108        if mem_request_decrease != vm_mem_decrease:109            test.fail("VM mem change comparison failed! Expect %d, but got %d."110                      % (mem_request_decrease, vm_mem_decrease))111    def cleanup_test_virtio_mem():112        """113        Clean up environment114        """115        if utils_memory.get_num_huge_pages() != ORG_HP:116            utils_memory.set_num_huge_pages(ORG_HP)117    # Variable assignment118    test_case = params.get('test_case', '')119    vm_name = params.get('main_vm')120    vm = env.get_vm(vm_name)121    check_environment(vm, params)122    bkxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)123    # Get setup function124    setup_test = eval('setup_test_%s' % test_case) \125        if 'setup_test_%s' % test_case in locals() else setup_test_default126    # Get runtest function127    run_test = eval('run_test_%s' % test_case)128    # Get cleanup function129    cleanup_test = eval('cleanup_test_%s' % test_case) \130        if 'cleanup_test_%s' % test_case in locals() else cleanup_test_default...

memory_attach_device.py

Source:memory_attach_device.py

...47        Setup vmxml for test48        """49        set_num_huge_pages = params.get("set_num_huge_pages")50        if set_num_huge_pages:51            utils_memory.set_num_huge_pages(int(set_num_huge_pages))52        libvirt_vmxml.remove_vm_devices_by_type(vm, 'memory')53        vmxml = vm_xml.VMXML.new_from_dumpxml(vm_name)54        vm_attrs = eval(params.get('vm_attrs', '{}'))55        vmxml.setup_attrs(**vm_attrs)56        vmxml.sync()57        if params.get("start_vm") == "yes":58            vm.start()59            vm.wait_for_login().close()60    def run_test_virtio_mem():61        """62        Attach a virtio-mem device63        """64        mem_device_attrs = eval(params.get('mem_device_attrs', '{}'))65        mem_device = Memory()66        mem_device.setup_attrs(**mem_device_attrs)67        test.log.info("TEST_STEP1: Attach a virtio-mem device.")68        options = '' if vm.is_alive() else '--config'69        virsh.attach_device(vm_name, mem_device.xml, flagstr=options,70                            debug=True, ignore_status=False)71        if not vm.is_alive():72            vm.start()73            vm.wait_for_login().close()74        test.log.info("TEST_STEP2: Check requested and current size.")75        vmxml_cur = vm_xml.VMXML.new_from_dumpxml(vm_name)76        test.log.debug("Current VM XML: %s.", vmxml_cur)77        mem_dev = vmxml_cur.devices.by_device_tag("memory")[0]78        expr_requested_size = mem_device_attrs['target']['requested_size']79        for check_item in ['requested_size', 'current_size']:80            if getattr(mem_dev.target, check_item) != expr_requested_size:81                test.fail("Incorrect %s! It should be %s, but got %s."82                          % (check_item, expr_requested_size,83                             getattr(mem_dev.target, check_item)))84        test.log.info("TEST_STEP3: Check VM memory.")85        memory_gap = vmxml_cur.get_memory() - vmxml_cur.get_current_mem()86        virtio_mem_gap = mem_dev.target.get_size() - \87            mem_dev.target.get_current_size()88        if memory_gap != virtio_mem_gap:89            test.fail("Size of memory - currentMemory(%s) should be equal to "90                      "virtio-mem size - current(%s)."91                      % (memory_gap, virtio_mem_gap))92    def cleanup_test_virtio_mem():93        """94        Clean up environment95        """96        if utils_memory.get_num_huge_pages() != ORG_HP:97            utils_memory.set_num_huge_pages(ORG_HP)98    # Variable assignment99    test_case = params.get('test_case', '')100    vm_name = params.get('main_vm')101    vm = env.get_vm(vm_name)102    check_environment(vm, params)103    bkxml = vm_xml.VMXML.new_from_inactive_dumpxml(vm_name)104    # Get setup function105    setup_test = eval('setup_test_%s' % test_case) \106        if 'setup_test_%s' % test_case in locals() else setup_test_default107    # Get runtest function108    run_test = eval('run_test_%s' % test_case)109    # Get cleanup function110    cleanup_test = eval('cleanup_test_%s' % test_case) \111        if 'cleanup_test_%s' % test_case in locals() else cleanup_test_default...

transparent_hugepages_defrag.py

Source:transparent_hugepages_defrag.py

...96        '''97        Tries to set the hugepages to the nr_full value and returns the98        max possible value set.99        '''100        memory.set_num_huge_pages(nr_full)101        return memory.get_num_huge_pages()102    def tearDown(self):103        '''104        Removes files and unmounts the tmpfs.105        '''106        if self.mem_path:107            self.log.info('Cleaning Up!!!')108            memory.set_thp_value("khugepaged/defrag", "0")109            memory.set_num_huge_pages(0)110            self.device.unmount()...

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