qemu/tests/migration/guestperf/scenario.py
Gan Qixin 3a645d364c tests/migration: Fix LGPL information in the file headers
There never was a "Lesser GPL version 2.0", It is either "GPL version 2.0"
or "Lesser GPL version 2.1". This patch replaces all "Lesser GPL version 2.0"
with "Lesser GPL version 2.1" in the tests/migration folder.

Signed-off-by: Gan Qixin <ganqixin@huawei.com>
Message-Id: <20201110184223.549499-2-ganqixin@huawei.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 17:04:40 +01:00

96 lines
3.4 KiB
Python

#
# Migration test scenario parameter description
#
# Copyright (c) 2016 Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, see <http://www.gnu.org/licenses/>.
#
class Scenario(object):
def __init__(self, name,
downtime=500,
bandwidth=125000, # 1000 gig-e, effectively unlimited
max_iters=30,
max_time=300,
pause=False, pause_iters=5,
post_copy=False, post_copy_iters=5,
auto_converge=False, auto_converge_step=10,
compression_mt=False, compression_mt_threads=1,
compression_xbzrle=False, compression_xbzrle_cache=10):
self._name = name
# General migration tunables
self._downtime = downtime # milliseconds
self._bandwidth = bandwidth # MiB per second
self._max_iters = max_iters
self._max_time = max_time # seconds
# Strategies for ensuring completion
self._pause = pause
self._pause_iters = pause_iters
self._post_copy = post_copy
self._post_copy_iters = post_copy_iters
self._auto_converge = auto_converge
self._auto_converge_step = auto_converge_step # percentage CPU time
self._compression_mt = compression_mt
self._compression_mt_threads = compression_mt_threads
self._compression_xbzrle = compression_xbzrle
self._compression_xbzrle_cache = compression_xbzrle_cache # percentage of guest RAM
def serialize(self):
return {
"name": self._name,
"downtime": self._downtime,
"bandwidth": self._bandwidth,
"max_iters": self._max_iters,
"max_time": self._max_time,
"pause": self._pause,
"pause_iters": self._pause_iters,
"post_copy": self._post_copy,
"post_copy_iters": self._post_copy_iters,
"auto_converge": self._auto_converge,
"auto_converge_step": self._auto_converge_step,
"compression_mt": self._compression_mt,
"compression_mt_threads": self._compression_mt_threads,
"compression_xbzrle": self._compression_xbzrle,
"compression_xbzrle_cache": self._compression_xbzrle_cache,
}
@classmethod
def deserialize(cls, data):
return cls(
data["name"],
data["downtime"],
data["bandwidth"],
data["max_iters"],
data["max_time"],
data["pause"],
data["pause_iters"],
data["post_copy"],
data["post_copy_iters"],
data["auto_converge"],
data["auto_converge_step"],
data["compression_mt"],
data["compression_mt_threads"],
data["compression_xbzrle"],
data["compression_xbzrle_cache"])