linux-kernel - Re: [linux-next:master] [drivers/char/mem] 1b057bd800: stress-ng.splice.ops_per

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Message-ID: <CAKPOu+87SC1Gk7vgRC4dmBYQ4REqeEq0seFqTwngPSe=z9pn=Q@mail.gmail.com>
Date:   Wed, 18 Oct 2023 13:12:27 +0200
From:   Max Kellermann <max.kellermann@...os.com>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     oe-lkp@...ts.linux.dev, lkp@...el.com,
        Linux Memory Management List <linux-mm@...ck.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org, ying.huang@...el.com,
        feng.tang@...el.com, fengwei.yin@...el.com
Subject: Re: [linux-next:master] [drivers/char/mem] 1b057bd800:
 stress-ng.splice.ops_per_sec -99.8% regression

On Wed, Oct 18, 2023 at 12:21 PM Max Kellermann
<max.kellermann@...os.com> wrote:
> I think this might be caused by a bug in stress-ng, leading to
> blocking pipe writes.

Just in case I happen to be right, I've submitted a PR for stress-ng:
https://github.com/ColinIanKing/stress-ng/pull/326