#!/usr/bin/env bash # group: rw auto quick # # Test I/O throttle block filter driver interface # # Copyright (C) 2017 Manos Pitsidianakis # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # # creator owner="Manos Pitsidianakis" seq=`basename $0` echo "QA output created by $seq" status=1 # failure is the default! trap "exit \$status" 0 1 2 3 15 # get standard environment, filters and checks . ./common.rc . ./common.filter _supported_os Linux _require_drivers throttle do_run_qemu() { echo Testing: "$@" | _filter_imgfmt $QEMU -nographic -qmp-pretty stdio -serial none "$@" echo } run_qemu() { do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qemu | _filter_qmp\ | _filter_qemu_io | _filter_generated_node_ids } test_throttle=$($QEMU_IMG --help|grep throttle) [ "$test_throttle" = "" ] && _supported_fmt throttle echo echo "== checking interface ==" run_qemu <<EOF { "execute": "qmp_capabilities" } { "execute": "blockdev-add", "arguments": { "driver": "null-co", "node-name": "disk0" } } { "execute": "object-add", "arguments": { "qom-type": "throttle-group", "id": "group0", "limits" : { "iops-total": 1000 } } } { "execute": "blockdev-add", "arguments": { "driver": "throttle", "node-name": "throttle0", "throttle-group": "group0", "file": "disk0" } } { "execute": "query-named-block-nodes" } { "execute": "query-block" } { "execute": "quit" } EOF echo echo "== property changes in ThrottleGroup ==" run_qemu <<EOF { "execute": "qmp_capabilities" } { "execute": "object-add", "arguments": { "qom-type": "throttle-group", "id": "group0", "limits": { "iops-total": 1000 } } } { "execute" : "qom-get", "arguments" : { "path" : "group0", "property" : "limits" } } { "execute" : "qom-set", "arguments" : { "path" : "group0", "property" : "limits", "value" : { "iops-total" : 0 } } } { "execute" : "qom-get", "arguments" : { "path" : "group0", "property" : "limits" } } { "execute": "quit" } EOF echo echo "== object creation/set errors ==" run_qemu <<EOF { "execute": "qmp_capabilities" } { "execute": "object-add", "arguments": { "qom-type": "throttle-group", "id": "group0", "limits": { "iops-total": 1000 } } } { "execute" : "qom-set", "arguments" : { "path" : "group0", "property" : "x-iops-total", "value" : 0 } } { "execute" : "qom-set", "arguments" : { "path" : "group0", "property" : "limits", "value" : { "iops-total" : 10, "iops-read" : 10 } } } { "execute": "quit" } EOF echo echo "== don't specify group ==" run_qemu <<EOF { "execute": "qmp_capabilities" } { "execute": "blockdev-add", "arguments": { "driver": "null-co", "node-name": "disk0" } } { "execute": "blockdev-add", "arguments": { "driver": "throttle", "node-name": "throttle0", "file": "disk0" } } { "execute": "quit" } EOF echo # success, all done echo "*** done" rm -f $seq.full status=0