xref: /qemu/tests/qemu-iotests/184 (revision 727385c4) 
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
23owner="Manos Pitsidianakis"
24
25seq=`basename $0`
26echo "QA output created by $seq"
27
28status=1	# failure is the default!
29
30trap "exit \$status" 0 1 2 3 15
31
32# get standard environment, filters and checks
33. ./common.rc
34. ./common.filter
35
36_supported_os Linux
37_require_drivers throttle
38
39do_run_qemu()
40{
41    echo Testing: "$@" | _filter_imgfmt
42    $QEMU -nographic -qmp-pretty stdio -serial none "$@"
43    echo
44}
45
46run_qemu()
47{
48    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
49                          | _filter_qemu_io | _filter_generated_node_ids
50}
51
52test_throttle=$($QEMU_IMG --help|grep throttle)
53[ "$test_throttle" = "" ] && _supported_fmt throttle
54
55echo
56echo "== checking interface =="
57
58run_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" }
86EOF
87
88echo
89echo "== property changes in ThrottleGroup =="
90
91run_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" }
124EOF
125
126echo
127echo "== object creation/set errors  =="
128
129run_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" }
158EOF
159
160echo
161echo "== don't specify group =="
162
163run_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" }
179EOF
180
181echo
182# success, all done
183echo "*** done"
184rm -f $seq.full
185status=0
186