tests/migration/guestperf/hardware.py

   1 #
   2 # Migration test hardware configuration description
   3 #
   4 # Copyright (c) 2016 Red Hat, Inc.
   5 #
   6 # This library is free software; you can redistribute it and/or
   7 # modify it under the terms of the GNU Lesser General Public
   8 # License as published by the Free Software Foundation; either
   9 # version 2 of the License, or (at your option) any later version.
  10 #
  11 # This library is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 # Lesser General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU Lesser General Public
  17 # License along with this library; if not, see <http://www.gnu.org/licenses/>.
  18 #
  19
  20
  21 class Hardware(object):
  22     def __init__(self, cpus=1, mem=1,
  23                  src_cpu_bind=None, src_mem_bind=None,
  24                  dst_cpu_bind=None, dst_mem_bind=None,
  25                  prealloc_pages = False,
  26                  huge_pages=False, locked_pages=False):
  27         self._cpus = cpus
  28         self._mem = mem # GiB
  29         self._src_mem_bind = src_mem_bind # List of NUMA nodes
  30         self._src_cpu_bind = src_cpu_bind # List of pCPUs
  31         self._dst_mem_bind = dst_mem_bind # List of NUMA nodes
  32         self._dst_cpu_bind = dst_cpu_bind # List of pCPUs
  33         self._prealloc_pages = prealloc_pages
  34         self._huge_pages = huge_pages
  35         self._locked_pages = locked_pages
  36
  37
  38     def serialize(self):
  39         return {
  40             "cpus": self._cpus,
  41             "mem": self._mem,
  42             "src_mem_bind": self._src_mem_bind,
  43             "dst_mem_bind": self._dst_mem_bind,
  44             "src_cpu_bind": self._src_cpu_bind,
  45             "dst_cpu_bind": self._dst_cpu_bind,
  46             "prealloc_pages": self._prealloc_pages,
  47             "huge_pages": self._huge_pages,
  48             "locked_pages": self._locked_pages,
  49         }
  50
  51     @classmethod
  52     def deserialize(cls, data):
  53         return cls(
  54             data["cpus"],
  55             data["mem"],
  56             data["src_cpu_bind"],
  57             data["src_mem_bind"],
  58             data["dst_cpu_bind"],
  59             data["dst_mem_bind"],
  60             data["prealloc_pages"],
  61             data["huge_pages"],
  62             data["locked_pages"])