xref: /qemu/tests/qemu-iotests/184 (revision e3a6e0da) 
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
22owner="Manos Pitsidianakis"
23
24seq=`basename $0`
25echo "QA output created by $seq"
26
27status=1	# failure is the default!
28
29trap "exit \$status" 0 1 2 3 15
30
31# get standard environment, filters and checks
32. ./common.rc
33. ./common.filter
34
35_supported_os Linux
36_require_drivers throttle
37
38do_run_qemu()
39{
40    echo Testing: "$@" | _filter_imgfmt
41    $QEMU -nographic -qmp-pretty stdio -serial none "$@"
42    echo
43}
44
45run_qemu()
46{
47    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\
48                          | _filter_qemu_io | _filter_generated_node_ids
49}
50
51test_throttle=$($QEMU_IMG --help|grep throttle)
52[ "$test_throttle" = "" ] && _supported_fmt throttle
53
54echo
55echo "== checking interface =="
56
57run_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" }
87EOF
88
89echo
90echo "== property changes in ThrottleGroup =="
91
92run_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" }
127EOF
128
129echo
130echo "== object creation/set errors  =="
131
132run_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" }
163EOF
164
165echo
166echo "== don't specify group =="
167
168run_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" }
184EOF
185
186echo
187# success, all done
188echo "*** done"
189rm -f $seq.full
190status=0
191