From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com ([192.55.52.93]:3943 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751422AbeENUAp (ORCPT ); Mon, 14 May 2018 16:00:45 -0400 From: Keith Busch To: Omar Sandoval , Johannes Thumshirn , linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: Keith Busch Subject: [PATCH blktests] nvme: Add command timeout injection test Date: Mon, 14 May 2018 14:02:37 -0600 Message-Id: <20180514200237.15135-1-keith.busch@intel.com> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org This test will run a background IO process and inject an admin command with a very short timeout that is all but guaranteed to expire without a completion: the async event request. Signed-off-by: Keith Busch --- tests/nvme/005 | 42 ++++++++++++++++++++++++++++++++++++++++++ tests/nvme/005.out | 3 +++ 2 files changed, 45 insertions(+) create mode 100755 tests/nvme/005 create mode 100644 tests/nvme/005.out diff --git a/tests/nvme/005 b/tests/nvme/005 new file mode 100755 index 0000000..3fe9cbe --- /dev/null +++ b/tests/nvme/005 @@ -0,0 +1,42 @@ +#!/bin/bash +# +# Regression test for timeout handling. +# +# Copyright (C) 2018 Keith Busch +# +# 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 3 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 . + +DESCRIPTION="test nvme admin command timeout handling with in-flight io" + +QUICK=1 + +requires() { + _have_program nvme +} + +test_device() { + echo "Running ${TEST_NAME}" + + # start fio job + _run_fio_rand_io --filename="${TEST_DEV}" --time_based --runtime=20 & + + sleep 5 + + # send nvme admin command 'async event request', which will surely time out + nvme admin-passthru ${TEST_DEV} -o 0xc --timeout=1 + + wait + + echo "Test complete" +} diff --git a/tests/nvme/005.out b/tests/nvme/005.out new file mode 100644 index 0000000..f4ff837 --- /dev/null +++ b/tests/nvme/005.out @@ -0,0 +1,3 @@ +Running nvme/005 +passthru: Interrupted system call +Test complete -- 2.14.3 From mboxrd@z Thu Jan 1 00:00:00 1970 From: keith.busch@intel.com (Keith Busch) Date: Mon, 14 May 2018 14:02:37 -0600 Subject: [PATCH blktests] nvme: Add command timeout injection test Message-ID: <20180514200237.15135-1-keith.busch@intel.com> This test will run a background IO process and inject an admin command with a very short timeout that is all but guaranteed to expire without a completion: the async event request. Signed-off-by: Keith Busch --- tests/nvme/005 | 42 ++++++++++++++++++++++++++++++++++++++++++ tests/nvme/005.out | 3 +++ 2 files changed, 45 insertions(+) create mode 100755 tests/nvme/005 create mode 100644 tests/nvme/005.out diff --git a/tests/nvme/005 b/tests/nvme/005 new file mode 100755 index 0000000..3fe9cbe --- /dev/null +++ b/tests/nvme/005 @@ -0,0 +1,42 @@ +#!/bin/bash +# +# Regression test for timeout handling. +# +# Copyright (C) 2018 Keith Busch +# +# 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 3 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 . + +DESCRIPTION="test nvme admin command timeout handling with in-flight io" + +QUICK=1 + +requires() { + _have_program nvme +} + +test_device() { + echo "Running ${TEST_NAME}" + + # start fio job + _run_fio_rand_io --filename="${TEST_DEV}" --time_based --runtime=20 & + + sleep 5 + + # send nvme admin command 'async event request', which will surely time out + nvme admin-passthru ${TEST_DEV} -o 0xc --timeout=1 + + wait + + echo "Test complete" +} diff --git a/tests/nvme/005.out b/tests/nvme/005.out new file mode 100644 index 0000000..f4ff837 --- /dev/null +++ b/tests/nvme/005.out @@ -0,0 +1,3 @@ +Running nvme/005 +passthru: Interrupted system call +Test complete -- 2.14.3