This test is a stress test. It creates a set of threads for coping small files into disk. I use a 2G disk for test, the ENOSPC arises usually but the disk is not full under kenerl 3.0 with intel64. Signed-off-by: Wu Bo <Wu.Bo@xxxxxxxxxxxxxx> --- 264 | 158 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 264.out | 6 ++ group | 1 + 3 files changed, 165 insertions(+), 0 deletions(-) create mode 100755 264 create mode 100644 264.out diff --git a/264 b/264 new file mode 100755 index 0000000..8df56c2 --- /dev/null +++ b/264 @@ -0,0 +1,158 @@ +#! /bin/bash +# FS QA Test No. 264 +# +# reservation test with heavy cp workload +# +#----------------------------------------------------------------------- +# Copyright (c) 2011-2012 Fujitsu, Inc. All Rights Reserved. +# +# 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. +# +# This program is distributed in the hope that it would 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, write the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +# +#----------------------------------------------------------------------- +# +#creator +owner=wu.bo@xxxxxxxxxxxxxx + +seq=`basename $0` +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=0 # success is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -rf $TEST_DIR/* $tmp.* + + if [ $_resize -eq 1 ] + then + btrfs filesystem resize ${_old}B $TEST_DIR > /dev/null 2>&1 + fi + + _cleanup_testdir +} + +. ./common.rc +. ./common.filter + +threads=0 # will be set later +count=1 + +_threads_set() +{ + _cpu_num=`cat /proc/cpuinfo | grep "processor" | wc -l` + threads=$(( $_cpu_num * 50 )) + if [ $threads -gt 200 ] + then + threads=200 + fi + + echo "create $threads threads to run..." +} + +_file_create() +{ + _i=0 + + if ! mkdir $TEST_DIR/origin + then + echo "mkdir origin err" + status=1 + exit + fi + + cd $TEST_DIR/origin + + _disksize=`df --block-size=1 | grep $TEST_DEV | awk '{print $2}'` + _disksize=$(( $_disksize / 3 )) + _num=$(( $_disksize / $count / $threads / 4096 )) + _count=$count + while [ $_i -lt $_num ] + do + dd if=/dev/zero of=file_$_i bs=4096 count=$_count > /dev/null 2>&1 + _i=$(( $_i + 1 )) + done + + cd $here +} + +_porter() +{ + _suffix=$1 + + if ! mkdir $TEST_DIR/sub_$_suffix + then + echo "mkdir sub_xxx err" + status=1 + exit + fi + + cp -r $TEST_DIR/origin $TEST_DIR/sub_$_suffix + + sync +} + +_do_workload() +{ + _pid=1 + + rm -rf $TEST_DIR/* + + _threads_set + _file_create + + _threads=$threads + + while [ $_pid -lt $_threads ] + do + _porter $_pid & + + _pid=$(( $_pid + 1 )) + done + + wait +} + +# real QA test starts here +_supported_fs btrfs +_supported_os IRIX Linux + +_setup_testdir +_check_test_fs + +echo "------------------------------" +echo "start the workload" +echo "------------------------------" + +_resize=0 +_new=$(( 2 * 1024 * 1024 * 1024 )) # 2G +_old=`df --block-size=1 | grep $TEST_DEV | awk '{print $2}'` +if [ $_new -lt $_old ] +then + btrfs filesystem resize ${_new}B $TEST_DIR > /dev/null 2>&1 + if [ $? -ne 0 ] + then + echo "btrfs filesystem resize err" + status=1 + exit + fi + _resize=1 +fi + +_do_workload + +echo "done" +exit diff --git a/264.out b/264.out new file mode 100644 index 0000000..b218578 --- /dev/null +++ b/264.out @@ -0,0 +1,6 @@ +QA output created by 264 +------------------------------ +start the workload +------------------------------ +create 100 threads to run... +done diff --git a/group b/group index 2a8970c..301aaec 100644 --- a/group +++ b/group @@ -377,3 +377,4 @@ deprecated 261 auto quick quota 262 auto quick quota 263 rw auto quick +264 auto rw -- 1.7.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html