tests/migration/guestperf/comparison.py

   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
  20 from guestperf.scenario import Scenario
  21
  22 class Comparison(object):
  23     def __init__(self, name, scenarios):
  24         self._name = name
  25         self._scenarios = scenarios
  26
  27 COMPARISONS = [
  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 ]