tests/qemu-iotests/184

   1 #!/usr/bin/env bash
   2 #
   3 # Test I/O throttle block filter driver interface
   4 #
   5 # Copyright (C) 2017 Manos Pitsidianakis
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 #
  20
  21 # creator
  22 owner="Manos Pitsidianakis"
  23
  24 seq=`basename $0`
  25 echo "QA output created by $seq"
  26
  27 status=1        # failure is the default!
  28
  29 trap "exit \$status" 0 1 2 3 15
  30
  31 # get standard environment, filters and checks
  32 . ./common.rc
  33 . ./common.filter
  34
  35 _supported_os Linux
  36 _require_drivers throttle
  37
  38 do_run_qemu()
  39 {
  40     echo Testing: "$@" | _filter_imgfmt
  41     $QEMU -nographic -qmp-pretty stdio -serial none "$@"
  42     echo
  43 }
  44
  45 run_qemu()
  46 {
  47     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
  48                           | _filter_qemu_io | _filter_generated_node_ids \
  49                           | _filter_actual_image_size
  50 }
  51
  52 test_throttle=$($QEMU_IMG --help|grep throttle)
  53 [ "$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     "props": {
  71       "limits" : {
  72         "iops-total": 1000
  73       }
  74     }
  75   }
  76 }
  77 { "execute": "blockdev-add",
  78   "arguments": {
  79     "driver": "throttle",
  80     "node-name": "throttle0",
  81     "throttle-group": "group0",
  82     "file": "disk0"
  83   }
  84 }
  85 { "execute": "query-named-block-nodes" }
  86 { "execute": "query-block" }
  87 { "execute": "quit" }
  88 EOF
  89
  90 echo
  91 echo "== property changes in ThrottleGroup =="
  92
  93 run_qemu <<EOF
  94 { "execute": "qmp_capabilities" }
  95 { "execute": "object-add",
  96   "arguments": {
  97     "qom-type": "throttle-group",
  98     "id": "group0",
  99     "props" : {
 100       "limits": {
 101           "iops-total": 1000
 102       }
 103     }
 104   }
 105 }
 106 { "execute" : "qom-get",
 107   "arguments" : {
 108     "path" : "group0",
 109     "property" : "limits"
 110   }
 111 }
 112 { "execute" : "qom-set",
 113     "arguments" : {
 114         "path" : "group0",
 115         "property" : "limits",
 116         "value" : {
 117             "iops-total" : 0
 118         }
 119     }
 120 }
 121 { "execute" : "qom-get",
 122   "arguments" : {
 123     "path" : "group0",
 124     "property" : "limits"
 125   }
 126 }
 127 { "execute": "quit" }
 128 EOF
 129
 130 echo
 131 echo "== object creation/set errors  =="
 132
 133 run_qemu <<EOF
 134 { "execute": "qmp_capabilities" }
 135 { "execute": "object-add",
 136   "arguments": {
 137     "qom-type": "throttle-group",
 138     "id": "group0",
 139     "props" : {
 140       "limits": {
 141           "iops-total": 1000
 142       }
 143     }
 144   }
 145 }
 146 { "execute" : "qom-set",
 147   "arguments" : {
 148     "path" : "group0",
 149     "property" : "x-iops-total",
 150     "value" : 0
 151   }
 152 }
 153 { "execute" : "qom-set",
 154     "arguments" : {
 155         "path" : "group0",
 156         "property" : "limits",
 157         "value" : {
 158             "iops-total" : 10,
 159             "iops-read" : 10
 160         }
 161     }
 162 }
 163 { "execute": "quit" }
 164 EOF
 165
 166 echo
 167 echo "== don't specify group =="
 168
 169 run_qemu <<EOF
 170 { "execute": "qmp_capabilities" }
 171 { "execute": "blockdev-add",
 172   "arguments": {
 173     "driver": "null-co",
 174     "node-name": "disk0"
 175   }
 176 }
 177 { "execute": "blockdev-add",
 178   "arguments": {
 179     "driver": "throttle",
 180     "node-name": "throttle0",
 181     "file": "disk0"
 182   }
 183 }
 184 { "execute": "quit" }
 185 EOF
 186
 187 echo
 188 # success, all done
 189 echo "*** done"
 190 rm -f $seq.full
 191 status=0