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From: Eryu Guan <eguan@redhat.com>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH] dio: reduce the number of cycles
Date: Thu, 15 Jun 2017 14:54:30 +0800	[thread overview]
Message-ID: <20170615065430.GE17436@eguan.usersys.redhat.com> (raw)
In-Reply-To: <20170614134939.GB7604@rei.suse.de>

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

  reply	other threads:[~2017-06-15  6:54 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-14  3:38 [LTP] [PATCH] dio: reduce the number of cycles Li Wang
2017-06-14 11:16 ` Eryu Guan
2017-06-14 13:49   ` Cyril Hrubis
2017-06-15  6:54     ` Eryu Guan [this message]
2017-06-15  9:23       ` Cyril Hrubis
2017-06-15  9:38         ` Li Wang
2017-06-15 13:17           ` Cyril Hrubis

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