diff options
Diffstat (limited to 'resources/libraries/python/QemuUtils.py')
-rw-r--r-- | resources/libraries/python/QemuUtils.py | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/resources/libraries/python/QemuUtils.py b/resources/libraries/python/QemuUtils.py index 573336153a..64fb5a0e87 100644 --- a/resources/libraries/python/QemuUtils.py +++ b/resources/libraries/python/QemuUtils.py @@ -42,7 +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. @@ -51,12 +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 @@ -91,6 +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" @@ -115,6 +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( @@ -133,7 +140,8 @@ 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") @@ -202,6 +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')}" ) @@ -220,7 +230,8 @@ class QemuUtils: 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=512 " + f"tsc=reliable hugepages={hugepages} " + f"hugepagesz={self._opt.get(u'page_size')} " f"init={self._temp.get(u'ini')} fastboot'" ) @@ -313,9 +324,10 @@ class QemuUtils: vpp_config.add_unix_exec(running) vpp_config.add_socksvr() vpp_config.add_main_heap_size(u"512M") - vpp_config.add_main_heap_page_size(u"2M") + 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(u"2M") + 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_cpu_main_core(u"0") @@ -720,7 +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 |