qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
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      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