Re: [PATCH v4] xfstests: add test for xfs_repair progress reporting

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On Fri, Jun 09, 2023 at 07:52:53AM -0700, Darrick J. Wong wrote:
> Tests ought to be cc'd to fstests@xxxxxxxxxxxxxxx.

Thanks, I got this patch now :)

> 
> On Wed, May 31, 2023 at 04:40:24PM +1000, Donald Douwsma wrote:
> > Confirm that xfs_repair reports on its progress if -o ag_stride is
> > enabled.
> > 
> > Signed-off-by: Donald Douwsma <ddouwsma@xxxxxxxxxx>
> > ---
> > Changes since v3
> > - Rebase after tests/xfs/groups removal (tools/convert-group), drop _supported_os
> > - Shorten the delay, remove superfluous dm-delay parameters
> > Changes since v2:
> > - Fix cleanup handling and function naming
> > - Added to auto group
> > Changes since v1:
> > - Use _scratch_xfs_repair
> > - Filter only repair output
> > - Make the filter more tolerant of whitespace and plurals
> > - Take golden output from 'xfs_repair: fix progress reporting'
> > 
> >  tests/xfs/999     | 66 +++++++++++++++++++++++++++++++++++++++++++++++
> >  tests/xfs/999.out | 15 +++++++++++
> >  2 files changed, 81 insertions(+)
> >  create mode 100755 tests/xfs/999
> >  create mode 100644 tests/xfs/999.out
> > 
> > diff --git a/tests/xfs/999 b/tests/xfs/999
> > new file mode 100755
> > index 00000000..9e799f66
> > --- /dev/null
> > +++ b/tests/xfs/999
> > @@ -0,0 +1,66 @@
> > +#! /bin/bash
> > +# SPDX-License-Identifier: GPL-2.0
> > +# Copyright (c) 2020 Red Hat, Inc.  All Rights Reserved.
> > +#
> > +# FS QA Test 521
> > +#
> > +# Test xfs_repair's progress reporting
> > +#
> > +. ./common/preamble
> > +_begin_fstest auto repair
> > +
> > +# Override the default cleanup function.
> > +_cleanup()
> > +{
> > +	cd /
> > +	rm -f $tmp.*
> > +	_cleanup_delay > /dev/null 2>&1
> > +}
> > +
> > +# Import common functions.
> > +. ./common/filter
> > +. ./common/dmdelay
> > +. ./common/populate
> > +
> > +# real QA test starts here
> > +
> > +# Modify as appropriate.
> > +_supported_fs xfs

As a regression test case, we need to point out that it's:
  _fixed_by_git_commit xfsprogs a4d94d6c30ac "xfs_repair: fix progress reporting"

Then due to it might fail without the other patch [1] (which has been reviewed),
so we'd better to point out that:

  _wants_git_commit xfsprogs xxxxxxxxxxxx \
          "xfs_repair: always print an estimate when reporting progress"

[1]
https://lore.kernel.org/linux-xfs/ZIM%2FKegChkoeTJE8@xxxxxxxxxx/T/#u


> > +_require_scratch
> > +_require_dm_target delay
> > +
> > +# Filter output specific to the formatters in xfs_repair/progress.c
> > +# Ideally we'd like to see hits on anything that matches
> > +# awk '/{FMT/' xfsprogs-dev/repair/progress.c
> > +filter_repair()
> > +{
> > +	sed -nre '
> > +	s/[0-9]+/#/g;
> > +	s/^\s+/ /g;
> > +	s/(# (week|day|hour|minute|second)s?(, )?)+/{progres}/g;
> > +	/#:#:#:/p
> > +	'
> > +}
> > +
> > +echo "Format and populate"
> > +_scratch_populate_cached nofill > $seqres.full 2>&1
> > +
> > +echo "Introduce a dmdelay"
> > +_init_delay
> > +DELAY_MS=38
> 
> I wonder if this is where _init_delay should gain a delay_ms argument?
> 
> _init_delay() {
> 	local delay_ms="${1:-10000}"

Agree

> 
> 	...
> 	DELAY_TABLE_RDELAY="0 $BLK_DEV_SIZE delay $SCRATCH_DEV 0 $delay_ms $SCRATCH_DEV 0 0"
> }
> 
> 
> > +# Introduce a read I/O delay
> > +# The default in common/dmdelay is a bit too agressive
> > +BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
> > +DELAY_TABLE_RDELAY="0 $BLK_DEV_SIZE delay $SCRATCH_DEV 0 $DELAY_MS"
> > +_load_delay_table $DELAY_READ
> > +
> > +echo "Run repair"
> > +SCRATCH_DEV=$DELAY_DEV _scratch_xfs_repair -o ag_stride=4 -t 1 2>&1 |
> > +        tee -a $seqres.full > $tmp.repair
> > +
> > +cat $tmp.repair | filter_repair | sort -u

If the `sort -u` is necessary, how about only print the lines we realy care,
filter out all other lines?

Thanks,
Zorro

> > +
> > +# success, all done
> > +status=0
> > +exit
> > diff --git a/tests/xfs/999.out b/tests/xfs/999.out
> > new file mode 100644
> > index 00000000..e27534d8
> > --- /dev/null
> > +++ b/tests/xfs/999.out
> > @@ -0,0 +1,15 @@
> > +QA output created by 999
> > +Format and populate
> > +Introduce a dmdelay
> > +Run repair
> > + - #:#:#: Phase #: #% done - estimated remaining time {progres}
> > + - #:#:#: Phase #: elapsed time {progres} - processed # inodes per minute
> > + - #:#:#: check for inodes claiming duplicate blocks - # of # inodes done
> > + - #:#:#: process known inodes and inode discovery - # of # inodes done
> > + - #:#:#: process newly discovered inodes - # of # allocation groups done
> > + - #:#:#: rebuild AG headers and trees - # of # allocation groups done
> > + - #:#:#: scanning agi unlinked lists - # of # allocation groups done
> > + - #:#:#: scanning filesystem freespace - # of # allocation groups done
> > + - #:#:#: setting up duplicate extent list - # of # allocation groups done
> > + - #:#:#: verify and correct link counts - # of # allocation groups done
> > + - #:#:#: zeroing log - # of # blocks done
> 
> Otherwise seems fine to me, assuming nothing goes nuts if rt devices or
> whatever happen to be configured. ;)
> 
> --D
> 
> > -- 
> > 2.39.3
> > 
> 




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