[LTP] [PATCH 2/2] runtest: ltp-aiodio.part2: Limit the maximal filesize

Cyril Hrubis chrubis@suse.cz
Fri Mar 20 10:51:27 CET 2026


Hi!
> > The test was operating with filesize up to ~500MB which, in certain
> > cases, was making the runtime too slow. Some test variants, especially
> > with many processes, were running up to 15 mintues on modern hardware.
> > After a discussion we agreed that we can reduce the maximal file size to
> > one quater without sacrificing test coverage.
> > 
> > I've also assumed that there was a typo in ADSP072 since the buffer size
> > was set to be order of magnitude bigger than the file size.
> > 
> > CC: Jan Kara <jack@suse.cz>
> > Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
> > ---
> >  runtest/ltp-aiodio.part2 | 16 ++++++++--------
> >  1 file changed, 8 insertions(+), 8 deletions(-)
> > 
> > diff --git a/runtest/ltp-aiodio.part2 b/runtest/ltp-aiodio.part2
> > index 599c9fd2f..c82f6fd02 100644
> > --- a/runtest/ltp-aiodio.part2
> > +++ b/runtest/ltp-aiodio.part2
> > @@ -25,8 +25,8 @@ ADSP023 aiodio_sparse -o 4 -w 1024k -s 4096k -n 6
> >  ADSP024 aiodio_sparse -o 4 -w 2048k -s 8192k -n 6
> >  ADSP025 aiodio_sparse -o 4 -w 4096k -s 16384k -n 6
> >  ADSP026 aiodio_sparse -o 4 -w 18192k -s 72768k -n 6
> > -ADSP027 aiodio_sparse -o 4 -w 18192k -s 518192k -n 6
> > -ADSP028 aiodio_sparse -o 4 -w 65536k -s 262144k -n 6
> > +ADSP027 aiodio_sparse -o 4 -w 18192k -s 129548k -n 6
> > +ADSP028 aiodio_sparse -o 4 -w 65536k -s 129548k -n 6
> 
> I think the write size of 64MB is too large for 128MB file with 4 AIO
> contexts - I think the size will be autotrimmed to 32MB. So you might as
> well just specify -w 32768k.

Right, will fix that.

> Otherwise this looks good to me.

Do I need to send v2 or can I add your Reviewed-by: if I fix the write
size before applying the patches?

-- 
Cyril Hrubis
chrubis@suse.cz


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