X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FQemuUtils.py;h=35959cef260242769f9938346c85de6212dd9c8a;hp=a814763e27ccaba6e0e5b657e684aed35c286f8a;hb=22bfd741614145d86751df2d61ff77af9db63627;hpb=273d2ea03c4fa35ea5b656872f06f6e6d2e6f851 diff --git a/resources/libraries/python/QemuUtils.py b/resources/libraries/python/QemuUtils.py index a814763e27..35959cef26 100644 --- a/resources/libraries/python/QemuUtils.py +++ b/resources/libraries/python/QemuUtils.py @@ -1,4 +1,4 @@ -# Copyright (c) 2020 Cisco and/or its affiliates. +# Copyright (c) 2022 Cisco and/or its affiliates. # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at: @@ -27,6 +27,8 @@ from resources.libraries.python.DUTSetup import DUTSetup from resources.libraries.python.OptionString import OptionString from resources.libraries.python.ssh import exec_cmd, exec_cmd_no_error from resources.libraries.python.topology import NodeType, Topology +from resources.libraries.python.VhostUser import VirtioFeaturesFlags +from resources.libraries.python.VhostUser import VirtioFeatureMask from resources.libraries.python.VppConfigGenerator import VppConfigGenerator __all__ = [u"QemuUtils"] @@ -40,7 +42,7 @@ class QemuUtils: def __init__( self, node, qemu_id=1, smp=1, mem=512, vnf=None, - img=Constants.QEMU_VM_IMAGE): + img=Constants.QEMU_VM_IMAGE, page_size=u""): """Initialize QemuUtil class. :param node: Node to run QEMU on. @@ -49,12 +51,14 @@ class QemuUtils: :param mem: Amount of memory. :param vnf: Network function workload. :param img: QEMU disk image or kernel image path. + :param page_size: Hugepage Size. :type node: dict :type qemu_id: int :type smp: int :type mem: int :type vnf: str :type img: str + :type page_size: str """ self._nic_id = 0 self._node = node @@ -63,23 +67,20 @@ class QemuUtils: # Architecture specific options if self._arch == u"aarch64": - dpdk_target = u"arm64-armv8a" self._opt[u"machine_args"] = \ u"virt,accel=kvm,usb=off,mem-merge=off,gic-version=3" self._opt[u"console"] = u"ttyAMA0" else: - dpdk_target = u"x86_64-native" self._opt[u"machine_args"] = u"pc,accel=kvm,usb=off,mem-merge=off" self._opt[u"console"] = u"ttyS0" - self._testpmd_path = f"{Constants.QEMU_VM_DPDK}/" \ - f"{dpdk_target}-linux-gcc/app" + self._testpmd_path = f"{Constants.QEMU_VM_DPDK}/build/app" self._vm_info = { u"host": node[u"host"], u"type": NodeType.VM, u"port": 10021 + qemu_id, u"serial": 4555 + qemu_id, - u"username": 'cisco', - u"password": 'cisco', + u"username": 'testuser', + u"password": 'Csit1234', u"interfaces": {}, } if node[u"port"] != 22: @@ -92,6 +93,8 @@ class QemuUtils: self._opt[u"smp"] = int(smp) self._opt[u"img"] = img self._opt[u"vnf"] = vnf + self._opt[u"page_size"] = page_size + # Temporary files. self._temp = dict() self._temp[u"log"] = f"/tmp/serial_{qemu_id}.log" @@ -116,6 +119,9 @@ class QemuUtils: def add_default_params(self): """Set default QEMU command line parameters.""" + mem_path = f"/dev/hugepages1G" \ + if self._opt[u"page_size"] == u"1G" else u"/dev/hugepages" + self._params.add(u"daemonize") self._params.add(u"nodefaults") self._params.add_with_value( @@ -134,16 +140,16 @@ class QemuUtils: ) self._params.add_with_value( u"object", f"memory-backend-file,id=mem," - f"size={self._opt.get(u'mem')}M,mem-path=/dev/hugepages,share=on" + f"size={self._opt.get(u'mem')}M," + f"mem-path={mem_path},share=on" ) self._params.add_with_value(u"m", f"{self._opt.get(u'mem')}M") self._params.add_with_value(u"numa", u"node,memdev=mem") - self._params.add_with_value(u"balloon", u"none") - def add_net_user(self): + def add_net_user(self, net="10.0.2.0/24"): """Set managment port forwarding.""" self._params.add_with_value( - u"netdev", f"user,id=mgmt,net=172.16.255.0/24," + u"netdev", f"user,id=mgmt,net={net}," f"hostfwd=tcp::{self._vm_info[u'port']}-:22" ) self._params.add_with_value( @@ -156,7 +162,9 @@ class QemuUtils: u"chardev", f"socket,path={self._temp.get(u'qga')}," f"server,nowait,id=qga0" ) - self._params.add_with_value(u"device", u"isa-serial,chardev=qga0") + self._params.add_with_value( + u"device", u"isa-serial,chardev=qga0" + ) self._params.add_with_value( u"qmp", f"unix:{self._temp.get(u'qmp')},server,nowait" ) @@ -165,8 +173,11 @@ class QemuUtils: """Set serial to file redirect.""" self._params.add_with_value( u"chardev", f"socket,host=127.0.0.1," - f"port={self._vm_info[u'serial']},id=gnc0,server,nowait") - self._params.add_with_value(u"device", u"isa-serial,chardev=gnc0") + f"port={self._vm_info[u'serial']},id=gnc0,server,nowait" + ) + self._params.add_with_value( + u"device", u"isa-serial,chardev=gnc0" + ) self._params.add_with_value( u"serial", f"file:{self._temp.get(u'log')}" ) @@ -199,6 +210,8 @@ class QemuUtils: def add_kernelvm_params(self): """Set KernelVM QEMU parameters.""" + hugepages = 3 if self._opt[u"page_size"] == u"1G" else 512 + self._params.add_with_value( u"serial", f"file:{self._temp.get(u'log')}" ) @@ -208,18 +221,23 @@ class QemuUtils: self._params.add_with_value( u"device", u"virtio-9p-pci,fsdev=root9p,mount_tag=virtioroot" ) - self._params.add_with_value(u"kernel", f"{self._opt.get(u'img')}") - self._params.add_with_value(u"initrd", f"{self._opt.get(u'initrd')}") + self._params.add_with_value( + u"kernel", f"{self._opt.get(u'img')}" + ) + self._params.add_with_value( + u"initrd", f"{self._opt.get(u'initrd')}" + ) self._params.add_with_value( u"append", f"'ro rootfstype=9p rootflags=trans=virtio " f"root=virtioroot console={self._opt.get(u'console')} " - f"tsc=reliable hugepages=256 " + f"tsc=reliable hugepages={hugepages} " + f"hugepagesz={self._opt.get(u'page_size')} " f"init={self._temp.get(u'ini')} fastboot'" ) def add_vhost_user_if( self, socket, server=True, jumbo_frames=False, queue_size=None, - queues=1, csum=False, gso=False): + queues=1, virtio_feature_mask=None): """Add Vhost-user interface. :param socket: Path of the unix socket. @@ -227,17 +245,17 @@ class QemuUtils: :param jumbo_frames: Set True if jumbo frames are used in the test. :param queue_size: Vring queue size. :param queues: Number of queues. - :param csum: Checksum offloading. - :param gso: Generic segmentation offloading. + :param virtio_feature_mask: Mask of virtio features to be enabled. :type socket: str :type server: bool :type jumbo_frames: bool :type queue_size: int :type queues: int - :type csum: bool - :type gso: bool + :type virtio_feature_mask: int """ self._nic_id += 1 + if jumbo_frames: + logger.debug(u"Jumbo frames temporarily disabled!") self._params.add_with_value( u"chardev", f"socket,id=char{self._nic_id}," f"path={socket}{u',server' if server is True else u''}" @@ -250,11 +268,19 @@ class QemuUtils: f"{self._nic_id:02x}" queue_size = f"rx_queue_size={queue_size},tx_queue_size={queue_size}" \ if queue_size else u"" + gso = VirtioFeatureMask.is_feature_enabled( + virtio_feature_mask, VirtioFeaturesFlags.VIRTIO_NET_F_API_GSO) + csum = VirtioFeatureMask.is_feature_enabled( + virtio_feature_mask, VirtioFeaturesFlags.VIRTIO_NET_F_API_CSUM) + self._params.add_with_value( u"device", f"virtio-net-pci,netdev=vhost{self._nic_id},mac={mac}," f"addr={self._nic_id+5}.0,mq=on,vectors={2 * queues + 2}," - f"csum={u'on' if csum else u'off'},gso={u'on' if gso else u'off'}," - f"guest_tso4=off,guest_tso6=off,guest_ecn=off," + f"csum={u'on' if csum else u'off'}," + f"gso={u'on' if gso else u'off'}," + f"guest_tso4={u'on' if gso else u'off'}," + f"guest_tso6={u'on' if gso else u'off'}," + f"guest_ecn={u'on' if gso else u'off'}," f"{queue_size}" ) @@ -297,11 +323,13 @@ class QemuUtils: vpp_config.add_unix_cli_listen() vpp_config.add_unix_exec(running) vpp_config.add_socksvr() - vpp_config.add_statseg_per_node_counters(value=u"on") + vpp_config.add_main_heap_size(u"512M") + vpp_config.add_main_heap_page_size(self._opt[u"page_size"]) + vpp_config.add_default_hugepage_size(self._opt[u"page_size"]) + vpp_config.add_statseg_size(u"512M") + vpp_config.add_statseg_page_size(self._opt[u"page_size"]) + vpp_config.add_statseg_per_node_counters(u"on") vpp_config.add_buffers_per_numa(107520) - vpp_config.add_heapsize(u"1G") - vpp_config.add_ip_heap_size(u"1G") - vpp_config.add_statseg_size(u"1G") vpp_config.add_cpu_main_core(u"0") if self._opt.get(u"smp") > 1: vpp_config.add_cpu_corelist_workers(f"1-{self._opt.get(u'smp')-1}") @@ -313,7 +341,7 @@ class QemuUtils: vpp_config.add_plugin(u"enable", u"dpdk_plugin.so") vpp_config.add_dpdk_dev(u"0000:00:06.0", u"0000:00:07.0") vpp_config.add_dpdk_dev_default_rxq(kwargs[u"queues"]) - vpp_config.add_dpdk_log_level(u"debug") + vpp_config.add_dpdk_log_level(u".*,debug") if not kwargs[u"jumbo_frames"]: vpp_config.add_dpdk_no_multi_seg() vpp_config.add_dpdk_no_tx_checksum_offload() @@ -323,12 +351,11 @@ class QemuUtils: vpp_config.add_plugin(u"enable", u"crypto_openssl_plugin.so") if "nat" in self._opt.get(u'vnf'): vpp_config.add_nat(value=u"endpoint-dependent") - vpp_config.add_nat_max_translations_per_thread(value=655360) vpp_config.add_plugin(u"enable", u"nat_plugin.so") vpp_config.write_config(startup) # Create VPP running configuration. - template = f"{Constants.RESOURCES_TPL_VM}/{self._opt.get(u'vnf')}.exec" + template = f"{Constants.RESOURCES_TPL}/vm/{self._opt.get(u'vnf')}.exec" exec_cmd_no_error(self._node, f"rm -f {running}", sudo=True) with open(template, u"rt") as src_file: @@ -351,7 +378,7 @@ class QemuUtils: eal_pci_whitelist0=u"0000:00:06.0", eal_pci_whitelist1=u"0000:00:07.0", eal_in_memory=True, - pmd_num_mbufs=16384, + pmd_num_mbufs=32768, pmd_fwd_mode=u"io", pmd_nb_ports=u"2", pmd_portmask=u"0x3", @@ -378,7 +405,7 @@ class QemuUtils: eal_pci_whitelist0=u"0000:00:06.0", eal_pci_whitelist1=u"0000:00:07.0", eal_in_memory=True, - pmd_num_mbufs=16384, + pmd_num_mbufs=32768, pmd_fwd_mode=u"mac", pmd_nb_ports=u"2", pmd_portmask=u"0x3", @@ -394,17 +421,20 @@ class QemuUtils: self._opt[u"vnf_bin"] = f"{self._testpmd_path}/{testpmd_cmd}" + def create_kernelvm_config_iperf3(self): + """Create QEMU iperf3 command line.""" + self._opt[u"vnf_bin"] = f"mkdir /run/sshd; /usr/sbin/sshd -D -d" + def create_kernelvm_init(self, **kwargs): """Create QEMU init script. :param kwargs: Key-value pairs to replace content of init startup file. :type kwargs: dict """ - template = f"{Constants.RESOURCES_TPL_VM}/init.sh" init = self._temp.get(u"ini") exec_cmd_no_error(self._node, f"rm -f {init}", sudo=True) - with open(template, u"rt") as src_file: + with open(kwargs[u"template"], u"rt") as src_file: src = Template(src_file.read()) exec_cmd_no_error( self._node, f"echo '{src.safe_substitute(**kwargs)}' | " @@ -420,13 +450,32 @@ class QemuUtils: """ if u"vpp" in self._opt.get(u"vnf"): self.create_kernelvm_config_vpp(**kwargs) - self.create_kernelvm_init(vnf_bin=self._opt.get(u"vnf_bin")) + self.create_kernelvm_init( + template=f"{Constants.RESOURCES_TPL}/vm/init.sh", + vnf_bin=self._opt.get(u"vnf_bin") + ) elif u"testpmd_io" in self._opt.get(u"vnf"): self.create_kernelvm_config_testpmd_io(**kwargs) - self.create_kernelvm_init(vnf_bin=self._opt.get(u"vnf_bin")) + self.create_kernelvm_init( + template=f"{Constants.RESOURCES_TPL}/vm/init.sh", + vnf_bin=self._opt.get(u"vnf_bin") + ) elif u"testpmd_mac" in self._opt.get(u"vnf"): self.create_kernelvm_config_testpmd_mac(**kwargs) - self.create_kernelvm_init(vnf_bin=self._opt.get(u"vnf_bin")) + self.create_kernelvm_init( + template=f"{Constants.RESOURCES_TPL}/vm/init.sh", + vnf_bin=self._opt.get(u"vnf_bin") + ) + elif u"iperf3" in self._opt.get(u"vnf"): + qemu_id = self._opt.get(u'qemu_id') % 2 + self.create_kernelvm_config_iperf3() + self.create_kernelvm_init( + template=f"{Constants.RESOURCES_TPL}/vm/init_iperf3.sh", + vnf_bin=self._opt.get(u"vnf_bin"), + ip_address_l=u"2.2.2.2/30" if qemu_id else u"1.1.1.1/30", + ip_address_r=u"2.2.2.1" if qemu_id else u"1.1.1.2", + ip_route_r=u"1.1.1.0/30" if qemu_id else u"2.2.2.0/30" + ) else: raise RuntimeError(u"QEMU: Unsupported VNF!") @@ -631,6 +680,20 @@ class QemuUtils: f"QEMU: Timeout, VM not booted on {self._node[u'host']}!" ) + def _wait_iperf3(self, retries=60): + """Wait until QEMU with iPerf3 is booted. + + :param retries: Number of retries. + :type retries: int + """ + grep = u"Server listening on 0.0.0.0 port 22." + cmd = f"fgrep '{grep}' {self._temp.get(u'log')}" + message = f"QEMU: Timeout, VM not booted on {self._node[u'host']}!" + exec_cmd_no_error( + self._node, cmd=cmd, sudo=True, message=message, retries=retries, + include_reason=True + ) + def _update_vm_interfaces(self): """Update interface names in VM node dict.""" # Send guest-network-get-interfaces command via QGA, output example: @@ -669,7 +732,9 @@ class QemuUtils: message = f"QEMU: Start failed on {self._node[u'host']}!" try: DUTSetup.check_huge_page( - self._node, u"/dev/hugepages", int(self._opt.get(u"mem"))) + self._node, self._opt.get(u"mem-path"), + int(self._opt.get(u"mem")) + ) exec_cmd_no_error( self._node, cmd_opts, timeout=300, sudo=True, message=message