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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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