tests/qemu-iotests/184

   1 #!/usr/bin/env bash
   2 # group: rw auto quick
   3 #
   4 # Test I/O throttle block filter driver interface
   5 #
   6 # Copyright (C) 2017 Manos Pitsidianakis
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # creator
  23 owner="Manos Pitsidianakis"
  24
  25 seq=`basename $0`
  26 echo "QA output created by $seq"
  27
  28 status=1        # failure is the default!
  29
  30 trap "exit \$status" 0 1 2 3 15
  31
  32 # get standard environment, filters and checks
  33 . ./common.rc
  34 . ./common.filter
  35
  36 _supported_os Linux
  37 _require_drivers throttle
  38
  39 do_run_qemu()
  40 {
  41     echo Testing: "$@" | _filter_imgfmt
  42     $QEMU -nographic -qmp-pretty stdio -serial none "$@"
  43     echo
  44 }
  45
  46 run_qemu()
  47 {
  48     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
  49                           | _filter_qemu_io | _filter_generated_node_ids
  50 }
  51
  52 test_throttle=$($QEMU_IMG --help|grep throttle)
  53 [ "$test_throttle" = "" ] && _supported_fmt throttle
  54
  55 echo
  56 echo "== checking interface =="
  57
  58 run_qemu <<EOF
  59 { "execute": "qmp_capabilities" }
  60 { "execute": "blockdev-add",
  61   "arguments": {
  62     "driver": "null-co",
  63     "node-name": "disk0"
  64   }
  65 }
  66 { "execute": "object-add",
  67   "arguments": {
  68     "qom-type": "throttle-group",
  69     "id": "group0",
  70     "limits" : {
  71       "iops-total": 1000
  72     }
  73   }
  74 }
  75 { "execute": "blockdev-add",
  76   "arguments": {
  77     "driver": "throttle",
  78     "node-name": "throttle0",
  79     "throttle-group": "group0",
  80     "file": "disk0"
  81   }
  82 }
  83 { "execute": "query-named-block-nodes" }
  84 { "execute": "query-block" }
  85 { "execute": "quit" }
  86 EOF
  87
  88 echo
  89 echo "== property changes in ThrottleGroup =="
  90
  91 run_qemu <<EOF
  92 { "execute": "qmp_capabilities" }
  93 { "execute": "object-add",
  94   "arguments": {
  95     "qom-type": "throttle-group",
  96     "id": "group0",
  97     "limits": {
  98         "iops-total": 1000
  99     }
 100   }
 101 }
 102 { "execute" : "qom-get",
 103   "arguments" : {
 104     "path" : "group0",
 105     "property" : "limits"
 106   }
 107 }
 108 { "execute" : "qom-set",
 109     "arguments" : {
 110         "path" : "group0",
 111         "property" : "limits",
 112         "value" : {
 113             "iops-total" : 0
 114         }
 115     }
 116 }
 117 { "execute" : "qom-get",
 118   "arguments" : {
 119     "path" : "group0",
 120     "property" : "limits"
 121   }
 122 }
 123 { "execute": "quit" }
 124 EOF
 125
 126 echo
 127 echo "== object creation/set errors  =="
 128
 129 run_qemu <<EOF
 130 { "execute": "qmp_capabilities" }
 131 { "execute": "object-add",
 132   "arguments": {
 133     "qom-type": "throttle-group",
 134     "id": "group0",
 135     "limits": {
 136         "iops-total": 1000
 137     }
 138   }
 139 }
 140 { "execute" : "qom-set",
 141   "arguments" : {
 142     "path" : "group0",
 143     "property" : "x-iops-total",
 144     "value" : 0
 145   }
 146 }
 147 { "execute" : "qom-set",
 148     "arguments" : {
 149         "path" : "group0",
 150         "property" : "limits",
 151         "value" : {
 152             "iops-total" : 10,
 153             "iops-read" : 10
 154         }
 155     }
 156 }
 157 { "execute": "quit" }
 158 EOF
 159
 160 echo
 161 echo "== don't specify group =="
 162
 163 run_qemu <<EOF
 164 { "execute": "qmp_capabilities" }
 165 { "execute": "blockdev-add",
 166   "arguments": {
 167     "driver": "null-co",
 168     "node-name": "disk0"
 169   }
 170 }
 171 { "execute": "blockdev-add",
 172   "arguments": {
 173     "driver": "throttle",
 174     "node-name": "throttle0",
 175     "file": "disk0"
 176   }
 177 }
 178 { "execute": "quit" }
 179 EOF
 180
 181 echo
 182 # success, all done
 183 echo "*** done"
 184 rm -f $seq.full
 185 status=0