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qemu/tests/migration/guestperf/comparison.py

139 lines
5.1 KiB
Python

#
# Migration test scenario comparison mapping
#
# 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/>.
#
from guestperf.scenario import Scenario
class Comparison(object):
def __init__(self, name, scenarios):
self._name = name
self._scenarios = scenarios
COMPARISONS = [
# Looking at effect of pausing guest during migration
# at various stages of iteration over RAM
Comparison("pause-iters", scenarios = [
Scenario("pause-iters-0",
pause=True, pause_iters=0),
Scenario("pause-iters-1",
pause=True, pause_iters=1),
Scenario("pause-iters-5",
pause=True, pause_iters=5),
Scenario("pause-iters-20",
pause=True, pause_iters=20),
]),
# Looking at use of post-copy in relation to bandwidth
# available for migration
Comparison("post-copy-bandwidth", scenarios = [
Scenario("post-copy-bw-100mbs",
post_copy=True, bandwidth=12),
Scenario("post-copy-bw-300mbs",
post_copy=True, bandwidth=37),
Scenario("post-copy-bw-1gbs",
post_copy=True, bandwidth=125),
Scenario("post-copy-bw-10gbs",
post_copy=True, bandwidth=1250),
Scenario("post-copy-bw-100gbs",
post_copy=True, bandwidth=12500),
]),
# Looking at effect of starting post-copy at different
# stages of the migration
Comparison("post-copy-iters", scenarios = [
Scenario("post-copy-iters-0",
post_copy=True, post_copy_iters=0),
Scenario("post-copy-iters-1",
post_copy=True, post_copy_iters=1),
Scenario("post-copy-iters-5",
post_copy=True, post_copy_iters=5),
Scenario("post-copy-iters-20",
post_copy=True, post_copy_iters=20),
]),
# Looking at effect of auto-converge with different
# throttling percentage step rates
Comparison("auto-converge-iters", scenarios = [
Scenario("auto-converge-step-5",
auto_converge=True, auto_converge_step=5),
Scenario("auto-converge-step-10",
auto_converge=True, auto_converge_step=10),
Scenario("auto-converge-step-20",
auto_converge=True, auto_converge_step=20),
]),
# Looking at use of auto-converge in relation to bandwidth
# available for migration
Comparison("auto-converge-bandwidth", scenarios = [
Scenario("auto-converge-bw-100mbs",
auto_converge=True, bandwidth=12),
Scenario("auto-converge-bw-300mbs",
auto_converge=True, bandwidth=37),
Scenario("auto-converge-bw-1gbs",
auto_converge=True, bandwidth=125),
Scenario("auto-converge-bw-10gbs",
auto_converge=True, bandwidth=1250),
Scenario("auto-converge-bw-100gbs",
auto_converge=True, bandwidth=12500),
]),
# Looking at effect of multi-thread compression with
# varying numbers of threads
Comparison("compr-mt", scenarios = [
Scenario("compr-mt-threads-1",
compression_mt=True, compression_mt_threads=1),
Scenario("compr-mt-threads-2",
compression_mt=True, compression_mt_threads=2),
Scenario("compr-mt-threads-4",
compression_mt=True, compression_mt_threads=4),
]),
# Looking at effect of xbzrle compression with varying
# cache sizes
Comparison("compr-xbzrle", scenarios = [
Scenario("compr-xbzrle-cache-5",
compression_xbzrle=True, compression_xbzrle_cache=5),
Scenario("compr-xbzrle-cache-10",
compression_xbzrle=True, compression_xbzrle_cache=10),
Scenario("compr-xbzrle-cache-20",
compression_xbzrle=True, compression_xbzrle_cache=10),
Scenario("compr-xbzrle-cache-50",
compression_xbzrle=True, compression_xbzrle_cache=50),
]),
# Looking at effect of multifd with
# varying numbers of channels
Comparison("compr-multifd", scenarios = [
Scenario("compr-multifd-channels-4",
multifd=True, multifd_channels=2),
Scenario("compr-multifd-channels-8",
multifd=True, multifd_channels=8),
Scenario("compr-multifd-channels-32",
multifd=True, multifd_channels=32),
Scenario("compr-multifd-channels-64",
multifd=True, multifd_channels=64),
]),
]