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 $seq"
  26
  27 status=1        # failure is the default!
  28
  29 trap "exit \$status" 0 1 2 3 15
  30
  31 # get standard environment, filters and checks
  32 . ./common.rc
  33 . ./common.filter
  34
  35 _supported_os Linux
  36
  37 do_run_qemu()
  38 {
  39     echo Testing: "$@" | _filter_imgfmt
  40     $QEMU -nographic -qmp-pretty stdio -serial none "$@"
  41     echo
  42 }
  43
  44 run_qemu()
  45 {
  46     do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
  47                           | _filter_qemu_io | _filter_generated_node_ids \
  48                           | _filter_actual_image_size
  49 }
  50
  51 test_throttle=$($QEMU_IMG --help|grep throttle)
  52 [ "$test_throttle" = "" ] && _supported_fmt throttle
  53
  54 echo
  55 echo "== checking interface =="
  56
  57 run_qemu <<EOF
  58 { "execute": "qmp_capabilities" }
  59 { "execute": "blockdev-add",
  60   "arguments": {
  61     "driver": "null-co",
  62     "node-name": "disk0"
  63   }
  64 }
  65 { "execute": "object-add",
  66   "arguments": {
  67     "qom-type": "throttle-group",
  68     "id": "group0",
  69     "props": {
  70       "limits" : {
  71         "iops-total": 1000
  72       }
  73     }
  74   }
  75 }
  76 { "execute": "blockdev-add",
  77   "arguments": {
  78     "driver": "throttle",
  79     "node-name": "throttle0",
  80     "throttle-group": "group0",
  81     "file": "disk0"
  82   }
  83 }
  84 { "execute": "query-named-block-nodes" }
  85 { "execute": "query-block" }
  86 { "execute": "quit" }
  87 EOF
  88
  89 echo
  90 echo "== property changes in ThrottleGroup =="
  91
  92 run_qemu <<EOF
  93 { "execute": "qmp_capabilities" }
  94 { "execute": "object-add",
  95   "arguments": {
  96     "qom-type": "throttle-group",
  97     "id": "group0",
  98     "props" : {
  99       "limits": {
 100           "iops-total": 1000
 101       }
 102     }
 103   }
 104 }
 105 { "execute" : "qom-get",
 106   "arguments" : {
 107     "path" : "group0",
 108     "property" : "limits"
 109   }
 110 }
 111 { "execute" : "qom-set",
 112     "arguments" : {
 113         "path" : "group0",
 114         "property" : "limits",
 115         "value" : {
 116             "iops-total" : 0
 117         }
 118     }
 119 }
 120 { "execute" : "qom-get",
 121   "arguments" : {
 122     "path" : "group0",
 123     "property" : "limits"
 124   }
 125 }
 126 { "execute": "quit" }
 127 EOF
 128
 129 echo
 130 echo "== object creation/set errors  =="
 131
 132 run_qemu <<EOF
 133 { "execute": "qmp_capabilities" }
 134 { "execute": "object-add",
 135   "arguments": {
 136     "qom-type": "throttle-group",
 137     "id": "group0",
 138     "props" : {
 139       "limits": {
 140           "iops-total": 1000
 141       }
 142     }
 143   }
 144 }
 145 { "execute" : "qom-set",
 146   "arguments" : {
 147     "path" : "group0",
 148     "property" : "x-iops-total",
 149     "value" : 0
 150   }
 151 }
 152 { "execute" : "qom-set",
 153     "arguments" : {
 154         "path" : "group0",
 155         "property" : "limits",
 156         "value" : {
 157             "iops-total" : 10,
 158             "iops-read" : 10
 159         }
 160     }
 161 }
 162 { "execute": "quit" }
 163 EOF
 164
 165 echo
 166 echo "== don't specify group =="
 167
 168 run_qemu <<EOF
 169 { "execute": "qmp_capabilities" }
 170 { "execute": "blockdev-add",
 171   "arguments": {
 172     "driver": "null-co",
 173     "node-name": "disk0"
 174   }
 175 }
 176 { "execute": "blockdev-add",
 177   "arguments": {
 178     "driver": "throttle",
 179     "node-name": "throttle0",
 180     "file": "disk0"
 181   }
 182 }
 183 { "execute": "quit" }
 184 EOF
 185
 186 echo
 187 # success, all done
 188 echo "*** done"
 189 rm -f $seq.full
 190 status=0