1#
2# Migration test scenario comparison mapping
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 2.1 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
20from guestperf.scenario import Scenario
21
22class Comparison(object):
23    def __init__(self, name, scenarios):
24        self._name = name
25        self._scenarios = scenarios
26
27COMPARISONS = [
28    # Looking at effect of pausing guest during migration
29    # at various stages of iteration over RAM
30    Comparison("pause-iters", scenarios = [
31        Scenario("pause-iters-0",
32                 pause=True, pause_iters=0),
33        Scenario("pause-iters-1",
34                 pause=True, pause_iters=1),
35        Scenario("pause-iters-5",
36                 pause=True, pause_iters=5),
37        Scenario("pause-iters-20",
38                 pause=True, pause_iters=20),
39    ]),
40
41
42    # Looking at use of post-copy in relation to bandwidth
43    # available for migration
44    Comparison("post-copy-bandwidth", scenarios = [
45        Scenario("post-copy-bw-100mbs",
46                 post_copy=True, bandwidth=12),
47        Scenario("post-copy-bw-300mbs",
48                 post_copy=True, bandwidth=37),
49        Scenario("post-copy-bw-1gbs",
50                 post_copy=True, bandwidth=125),
51        Scenario("post-copy-bw-10gbs",
52                 post_copy=True, bandwidth=1250),
53        Scenario("post-copy-bw-100gbs",
54                 post_copy=True, bandwidth=12500),
55    ]),
56
57
58    # Looking at effect of starting post-copy at different
59    # stages of the migration
60    Comparison("post-copy-iters", scenarios = [
61        Scenario("post-copy-iters-0",
62                 post_copy=True, post_copy_iters=0),
63        Scenario("post-copy-iters-1",
64                 post_copy=True, post_copy_iters=1),
65        Scenario("post-copy-iters-5",
66                 post_copy=True, post_copy_iters=5),
67        Scenario("post-copy-iters-20",
68                 post_copy=True, post_copy_iters=20),
69    ]),
70
71
72    # Looking at effect of auto-converge with different
73    # throttling percentage step rates
74    Comparison("auto-converge-iters", scenarios = [
75        Scenario("auto-converge-step-5",
76                 auto_converge=True, auto_converge_step=5),
77        Scenario("auto-converge-step-10",
78                 auto_converge=True, auto_converge_step=10),
79        Scenario("auto-converge-step-20",
80                 auto_converge=True, auto_converge_step=20),
81    ]),
82
83
84    # Looking at use of auto-converge in relation to bandwidth
85    # available for migration
86    Comparison("auto-converge-bandwidth", scenarios = [
87        Scenario("auto-converge-bw-100mbs",
88                 auto_converge=True, bandwidth=12),
89        Scenario("auto-converge-bw-300mbs",
90                 auto_converge=True, bandwidth=37),
91        Scenario("auto-converge-bw-1gbs",
92                 auto_converge=True, bandwidth=125),
93        Scenario("auto-converge-bw-10gbs",
94                 auto_converge=True, bandwidth=1250),
95        Scenario("auto-converge-bw-100gbs",
96                 auto_converge=True, bandwidth=12500),
97    ]),
98
99
100    # Looking at effect of multi-thread compression with
101    # varying numbers of threads
102    Comparison("compr-mt", scenarios = [
103        Scenario("compr-mt-threads-1",
104                 compression_mt=True, compression_mt_threads=1),
105        Scenario("compr-mt-threads-2",
106                 compression_mt=True, compression_mt_threads=2),
107        Scenario("compr-mt-threads-4",
108                 compression_mt=True, compression_mt_threads=4),
109    ]),
110
111
112    # Looking at effect of xbzrle compression with varying
113    # cache sizes
114    Comparison("compr-xbzrle", scenarios = [
115        Scenario("compr-xbzrle-cache-5",
116                 compression_xbzrle=True, compression_xbzrle_cache=5),
117        Scenario("compr-xbzrle-cache-10",
118                 compression_xbzrle=True, compression_xbzrle_cache=10),
119        Scenario("compr-xbzrle-cache-20",
120                 compression_xbzrle=True, compression_xbzrle_cache=10),
121        Scenario("compr-xbzrle-cache-50",
122                 compression_xbzrle=True, compression_xbzrle_cache=50),
123    ]),
124
125
126    # Looking at effect of multifd with
127    # varying numbers of channels
128    Comparison("compr-multifd", scenarios = [
129        Scenario("compr-multifd-channels-4",
130                 multifd=True, multifd_channels=2),
131        Scenario("compr-multifd-channels-8",
132                 multifd=True, multifd_channels=8),
133        Scenario("compr-multifd-channels-32",
134                 multifd=True, multifd_channels=32),
135        Scenario("compr-multifd-channels-64",
136                 multifd=True, multifd_channels=64),
137    ]),
138
139    # Looking at effect of dirty-limit with
140    # varying x_vcpu_dirty_limit_period
141    Comparison("compr-dirty-limit-period", scenarios = [
142        Scenario("compr-dirty-limit-period-500",
143                 dirty_limit=True, x_vcpu_dirty_limit_period=500),
144        Scenario("compr-dirty-limit-period-800",
145                 dirty_limit=True, x_vcpu_dirty_limit_period=800),
146        Scenario("compr-dirty-limit-period-1000",
147                 dirty_limit=True, x_vcpu_dirty_limit_period=1000),
148    ]),
149
150
151    # Looking at effect of dirty-limit with
152    # varying vcpu_dirty_limit
153    Comparison("compr-dirty-limit", scenarios = [
154        Scenario("compr-dirty-limit-10MB",
155                 dirty_limit=True, vcpu_dirty_limit=10),
156        Scenario("compr-dirty-limit-20MB",
157                 dirty_limit=True, vcpu_dirty_limit=20),
158        Scenario("compr-dirty-limit-50MB",
159                 dirty_limit=True, vcpu_dirty_limit=50),
160    ]),
161]
162