Re: [PATCH 1/2] generic: test xattr operations only

["Darrick J. Wong" <djwong@kernel.org>]

On Mon, Jul 26, 2021 at 12:02:45AM +0800, Eryu Guan wrote:
> On Mon, Jul 19, 2021 at 06:08:48PM -0700, Darrick J. Wong wrote:
> > From: Darrick J. Wong <djwong@kernel.org>
> > 
> > Exercise extended attribute operations.
> > 
> > Signed-off-by: Darrick J. Wong <djwong@kernel.org>
> > ---
> >  tests/generic/724     |   57 +++++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/generic/724.out |    2 ++
> >  2 files changed, 59 insertions(+)
> >  create mode 100755 tests/generic/724
> >  create mode 100644 tests/generic/724.out
> > 
> > 
> > diff --git a/tests/generic/724 b/tests/generic/724
> > new file mode 100755
> > index 00000000..f2f4a2ec
> > --- /dev/null
> > +++ b/tests/generic/724
> > @@ -0,0 +1,57 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright (c) 2021 Oracle, Inc.  All Rights Reserved.
> > +#
> > +# FS QA Test No. 724
> > +#
> > +# Run an extended attributes fsstress run with multiple threads to shake out
> > +# bugs in the xattr code.
> > +#
> > +. ./common/preamble
> > +_begin_fstest auto attr
> > +
> > +_cleanup()
> > +{
> > +	$KILLALL_PROG -9 fsstress > /dev/null 2>&1
> > +	cd /
> > +	rm -f $tmp.*
> > +}
> > +
> > +# Modify as appropriate.
> > +_supported_fs generic
> > +
> > +_require_scratch
> > +_require_command "$KILLALL_PROG" "killall"
> > +
> > +echo "Silence is golden."
> > +
> > +_scratch_mkfs > $seqres.full 2>&1
> > +_scratch_mount >> $seqres.full 2>&1
> > +
> > +nr_cpus=$((LOAD_FACTOR * 4))
> > +nr_ops=$((700000 * nr_cpus * TIME_FACTOR))
> 
> This takes too long time to be an 'auto' test, it runs for 20min on my
> test vm and is still running, I think I have to kill it manually.
> 
> I noticed that generic/52[12] run long time fsx tests, and they are in
> 'soak long_rw' groups, perhaps this one fits there as well? And maybe
> 'stress' group too.

Oh, yikes, I sent this out configured for 700,000 xattr ops.  Let me
lower that to 70k.

--D

> 
> Thanks,
> Eryu
> 
> > +
> > +args=('-z' '-S' 'c')
> > +
> > +# Do some directory tree modifications, but the bulk of this is geared towards
> > +# exercising the xattr code, especially attr_set which can do up to 10k values.
> > +for verb in unlink rmdir; do
> > +	args+=('-f' "${verb}=1")
> > +done
> > +for verb in creat mkdir; do
> > +	args+=('-f' "${verb}=2")
> > +done
> > +for verb in getfattr listfattr; do
> > +	args+=('-f' "${verb}=3")
> > +done
> > +for verb in attr_remove removefattr; do
> > +	args+=('-f' "${verb}=4")
> > +done
> > +args+=('-f' "setfattr=20")
> > +args+=('-f' "attr_set=60")	# sets larger xattrs
> > +
> > +$FSSTRESS_PROG "${args[@]}" $FSSTRESS_AVOID -d $SCRATCH_MNT -n $nr_ops -p $nr_cpus >> $seqres.full
> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/generic/724.out b/tests/generic/724.out
> > new file mode 100644
> > index 00000000..164cfffb
> > --- /dev/null
> > +++ b/tests/generic/724.out
> > @@ -0,0 +1,2 @@
> > +QA output created by 724
> > +Silence is golden.
> >