On Fri, 1 Mar 2013 13:23:50 -0600, Rich Johnston <rjohnston@xxxxxxx> wrote: > On 02/20/2013 04:42 AM, Dmitry Monakhov wrote: > > Perform various regression tests for ext4defrag subsystem > > > > 299'th Test1: Defragment file while other task does direct AIO > > 300'th Test2: Perform defragmentation on file under buffered AIO > > while third task does direct AIO to donor file > > 301'th Test3: Two defrag tasks use common donor file. > > 302'th Test4: Stress defragmentation. Several threads pefrorm > typo perform > > > fragmentation at random position use inplace=1 will > > allocate and free blocks inside defrag event improve > > load pressure. > > > > This tests are considered dengerous because 300'th and 301'th are known > typo dangerous > > > to trigger OOPS on recent kernels see:https://gist.github.com/dmonakhov/4770294 > > > > Signed-off-by: Dmitry Monakhov <dmonakhov@xxxxxxxxxx> > > --- > > 299 | 126 +++++++++++++++++++++++++++++++++++++++++++++++ > > 299.out | 4 ++ > > 300 | 143 +++++++++++++++++++++++++++++++++++++++++++++++++++++ > > 300.out | 4 ++ > > 301 | 153 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > 301.out | 4 ++ > > 302 | 130 ++++++++++++++++++++++++++++++++++++++++++++++++ > > 302.out | 4 ++ > > common.defrag | 4 +- > > group | 6 ++- > > 10 files changed, 575 insertions(+), 3 deletions(-) > > create mode 100755 299 > > create mode 100644 299.out > > create mode 100755 300 > > create mode 100644 300.out > > create mode 100755 301 > > create mode 100644 301.out > > create mode 100755 302 > > create mode 100644 302.out > > > > diff --git a/299 b/299 > > new file mode 100755 > > index 0000000..4a7a98c > > --- /dev/null > > +++ b/299 > > @@ -0,0 +1,126 @@ > > +#! /bin/bash > > +# FSQA Test No. 299 > > +# > > +# Ext4 defragmentation stress test > > +# Defragment file while other task does direct io > > +#----------------------------------------------------------------------- > > +# (c) 2013 Dmitry Monakhov > > +# > > +# 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=dmonakhov@xxxxxxxxxx > > + > > +seq=`basename $0` > > +echo "QA output created by $seq" > > + > > +here=`pwd` > > +tmp=/tmp/$$ > > +status=1 # failure is the default! > > +trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15 > > + > > +# get standard environment, filters and checks > > +. ./common.rc > > +. ./common.filter > > +. ./common.defrag > > + > > +# real QA test starts here > > +_supported_os Linux > > +_supported_fs ext4 > > +_need_to_be_root > > +_require_scratch > > +_require_defrag > > + > I think you meant to set NUM_JOBS here like you did in [Patch 08/10], > something like: > > +NUM_JOBS=$((4*LOAD_FACTOR)) Indeed. I've forget to update patch. > > otherwise you get > > ### [not run] /usr/local/bin/fio too old > > > +BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV` > > +# We need space for 2 files (test file, and donor one) > > +# reserve 30% in order to avoid ENOSPC > > +FILE_SIZE=$((BLK_DEV_SIZE * (512 / (2 + 1)))) > > + > > +cat >$tmp-$seq.fio <<EOF > > +# Common e4defrag regression tests > > +[global] > > +ioengine=ioe_e4defrag > > +iodepth=1 > > +directory=${SCRATCH_MNT} > > +filesize=${FILE_SIZE} > > +size=999G > > +buffered=0 > > +fadvise_hint=0 > > +group_reporting > > + > > +################################# > > +# Test1 > > +# Defragment file while other task does direct io > > + > > +# Continious sequential defrag activity > > +[defrag-4k] > > +ioengine=e4defrag > > +iodepth=1 > > +bs=128k > > +donorname=test1.def > > +filename=test1 > > +inplace=0 > > +rw=write > > +numjobs=${NUM_JOBS} > > +runtime=30*${TIME_FACTOR} > > +time_based > > + > > +# Verifier > > +[aio-dio-verifier] > > +ioengine=libaio > > +iodepth=128*${LOAD_FACTOR} > > +numjobs=1 > > +verify=crc32c-intel > > +verify_fatal=1 > > +verify_dump=1 > > +verify_backlog=1024 > > +verify_async=1 > > +verifysort=1 > > +direct=1 > > +bs=64k > > +rw=randwrite > > +filename=test1 > > +runtime=30*${TIME_FACTOR} > > +time_based > > +EOF > > + > > +_workout() > > +{ > > + echo "" > > + echo " Start defragment activity " > git does not like trailing whitespace ^ > (same for the other 3 tests) > > + echo "" > > + cat $tmp-$seq.fio >> $seq.full > > + run_check $FIO_PROG $tmp-$seq.fio > > +} > > + > > +_require_fio $tmp-$seq.fio > > + > > +_scratch_mkfs >> $seq.full 2>&1 > > +_scratch_mount > > + > > +if ! _workout; then > > + umount $SCRATCH_DEV 2>/dev/null > > + exit > > +fi > > + > > +if ! _scratch_unmount; then > > + echo "failed to umount" > > + status=1 > > + exit > > +fi > > +_check_scratch_fs > > +status=$? > > +exit diff --git a/299.out b/299.out new file mode 100644 index 0000000..b215a3f > > diff --git a/299.out b/299.out > > new file mode 100644 > > index 0000000..c2b0b4c > > --- /dev/null > > +++ b/299.out > > @@ -0,0 +1,4 @@ > > +QA output created by 299 > > + > > + Start defragment activity > remove trailing whitespace ^ > (same for the other 3 tests) > > Let me know if you agree with these changes and I will make them at > commit time. Yes, please do. > > Thanks > --Rich > > -- > 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 _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
