[LTP] [PATCH] dio: reduce the number of cycles

[Eryu Guan]

On Wed, Jun 14, 2017 at 03:49:39PM +0200, Cyril Hrubis wrote:
> Hi!
> > I tested diotest30 with 100 iterations and it still could reproduce the
> > bug I was seeing on 4.10 kernel quite reliably (even if not 100%), so
> > 
> > Acked-by: Eryu Guan <eguan@redhat.com>
> 
> What's the reliability after the patch btw? What is the actual
> percentage of undetected failures for at least 10 runs of the test?

I ran diotest30 10 times with "-i 100" and 8 of them failed. IIRC, it
was not 100% reproduced either when I first saw the test failure in
4.10-rc kernel testing. So I think ~80% probability to reproduce is
fine.

Thanks,
Eryu