From patchwork Mon Mar 14 17:37:41 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 597206 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qP58C1LZWz9sRZ for ; Tue, 15 Mar 2016 04:58:19 +1100 (AEDT) Received: from localhost ([::1]:43057 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1afWkz-0000yg-B3 for incoming@patchwork.ozlabs.org; Mon, 14 Mar 2016 13:58:17 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55681) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1afWS6-00068R-7P for qemu-devel@nongnu.org; Mon, 14 Mar 2016 13:38:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1afWS4-0001He-Mk for qemu-devel@nongnu.org; Mon, 14 Mar 2016 13:38:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51347) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1afWS0-0001EW-P2; Mon, 14 Mar 2016 13:38:40 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (Postfix) with ESMTPS id 68732165453; Mon, 14 Mar 2016 17:38:40 +0000 (UTC) Received: from noname.redhat.com (ovpn-116-76.ams2.redhat.com [10.36.116.76]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u2EHbi5C014408; Mon, 14 Mar 2016 13:38:39 -0400 From: Kevin Wolf To: qemu-block@nongnu.org Date: Mon, 14 Mar 2016 18:37:41 +0100 Message-Id: <1457977061-28087-41-git-send-email-kwolf@redhat.com> In-Reply-To: <1457977061-28087-1-git-send-email-kwolf@redhat.com> References: <1457977061-28087-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Mon, 14 Mar 2016 17:38:40 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, qemu-devel@nongnu.org Subject: [Qemu-devel] [PULL 40/40] iotests: Add test for QMP event rates X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Alberto Garcia This test verifies that the rate-limited QMP events are emitted at a maximum rate of 1 per second as defined in monitor_qapi_event_conf in monitor.c It also checks that QUORUM_REPORT_BAD events generated from different nodes are kept in separate queues so they don't mask each other. Signed-off-by: Alberto Garcia Reviewed-by: Max Reitz Message-id: 0dbd3ee88a59a6363042ad81cfb345037bfbf612.1457610443.git.berto@igalia.com [mreitz@redhat.com: Renamed test from 146 to 148] Signed-off-by: Max Reitz --- tests/qemu-iotests/148 | 129 +++++++++++++++++++++++++++++++++++++++++++++ tests/qemu-iotests/148.out | 5 ++ tests/qemu-iotests/group | 1 + 3 files changed, 135 insertions(+) create mode 100644 tests/qemu-iotests/148 create mode 100644 tests/qemu-iotests/148.out diff --git a/tests/qemu-iotests/148 b/tests/qemu-iotests/148 new file mode 100644 index 0000000..30bc379 --- /dev/null +++ b/tests/qemu-iotests/148 @@ -0,0 +1,129 @@ +#!/usr/bin/env python +# +# Test the rate limit of QMP events +# +# Copyright (C) 2016 Igalia, S.L. +# Author: Alberto Garcia +# +# 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 . +# + +import os +import iotests + +imgs = (os.path.join(iotests.test_dir, 'quorum0.img'), + os.path.join(iotests.test_dir, 'quorum1.img'), + os.path.join(iotests.test_dir, 'quorum2.img')) + +img_conf = (os.path.join(iotests.test_dir, 'quorum0.conf'), + os.path.join(iotests.test_dir, 'quorum1.conf'), + os.path.join(iotests.test_dir, 'quorum2.conf')) + +event_rate = 1000000000 +sector_size = 512 +offset = 10 + +class TestQuorumEvents(iotests.QMPTestCase): + + def create_blkdebug_file(self, blkdebug_file, bad_sector): + file = open(blkdebug_file, 'w') + file.write(''' +[inject-error] +event = "read_aio" +errno = "5" +sector = "%d" +''' % bad_sector) + file.close() + + def setUp(self): + driveopts = ['driver=quorum', 'vote-threshold=2'] + for i in range(len(imgs)): + iotests.qemu_img('create', '-f', iotests.imgfmt, imgs[i], '1M') + self.create_blkdebug_file(img_conf[i], i + offset) + driveopts.append('children.%d.driver=%s' % (i, iotests.imgfmt)) + driveopts.append('children.%d.file.driver=blkdebug' % i) + driveopts.append('children.%d.file.config=%s' % (i, img_conf[i])) + driveopts.append('children.%d.file.image.filename=%s' % (i, imgs[i])) + driveopts.append('children.%d.node-name=img%d' % (i, i)) + self.vm = iotests.VM() + self.vm.add_drive(None, opts = ','.join(driveopts)) + self.vm.launch() + + def tearDown(self): + self.vm.shutdown() + for i in range(len(imgs)): + os.remove(imgs[i]) + os.remove(img_conf[i]) + + def do_check_event(self, node, sector = 0): + if node == None: + self.assertEqual(self.vm.get_qmp_event(), None) + return + + for event in self.vm.get_qmp_events(wait=True): + if event['event'] == 'QUORUM_REPORT_BAD': + self.assert_qmp(event, 'data/node-name', node) + self.assert_qmp(event, 'data/sector-num', sector) + + def testQuorum(self): + if not 'quorum' in iotests.qemu_img_pipe('--help'): + return + + # Generate an error and get an event + self.vm.hmp_qemu_io("drive0", "aio_read %d %d" % + (offset * sector_size, sector_size)) + self.vm.qtest("clock_step 10") + self.do_check_event('img0', offset) + + # I/O errors in the same child: only one event is emitted + delay = 10 + for i in range(3): + self.vm.hmp_qemu_io("drive0", "aio_read %d %d" % + (offset * sector_size, sector_size)) + self.vm.qtest("clock_step %d" % delay) + self.do_check_event(None) + + # Wait enough so the event is finally emitted + self.vm.qtest("clock_step %d" % (2 * event_rate)) + self.do_check_event('img0', offset) + + # I/O errors in the same child: all events are emitted + delay = 2 * event_rate + for i in range(3): + self.vm.hmp_qemu_io("drive0", "aio_read %d %d" % + (offset * sector_size, sector_size)) + self.vm.qtest("clock_step %d" % delay) + self.do_check_event('img0', offset) + + # I/O errors in different children: all events are emitted + delay = 10 + for i in range(len(imgs)): + self.vm.hmp_qemu_io("drive0", "aio_read %d %d" % + ((offset + i) * sector_size, sector_size)) + self.vm.qtest("clock_step %d" % delay) + self.do_check_event('img%d' % i, offset + i) + + # I/O errors in different children: all events are emitted + delay = 2 * event_rate + for i in range(len(imgs)): + self.vm.hmp_qemu_io("drive0", "aio_read %d %d" % + ((offset + i) * sector_size, sector_size)) + self.vm.qtest("clock_step %d" % delay) + self.do_check_event('img%d' % i, offset + i) + + # No more pending events + self.do_check_event(None) + +if __name__ == '__main__': + iotests.main(supported_fmts=["raw"]) diff --git a/tests/qemu-iotests/148.out b/tests/qemu-iotests/148.out new file mode 100644 index 0000000..ae1213e --- /dev/null +++ b/tests/qemu-iotests/148.out @@ -0,0 +1,5 @@ +. +---------------------------------------------------------------------- +Ran 1 tests + +OK diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group index 1211149..faf0f21 100644 --- a/tests/qemu-iotests/group +++ b/tests/qemu-iotests/group @@ -149,3 +149,4 @@ 144 rw auto quick 145 auto quick 146 auto quick +148 rw auto quick