linux-kernel - Re: [linus:master] [xfs] c91d38b57f: stress-ng.chown.ops_per

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Message-ID: <20251003075615.GA13238@lst.de>
Date: Fri, 3 Oct 2025 09:56:15 +0200
From: Christoph Hellwig <hch@....de>
To: kernel test robot <oliver.sang@...el.com>
Cc: Dave Chinner <dchinner@...hat.com>, oe-lkp@...ts.linux.dev,
	lkp@...el.com, linux-kernel@...r.kernel.org,
	Carlos Maiolino <cem@...nel.org>, Jan Kara <jack@...e.cz>,
	Christoph Hellwig <hch@....de>, linux-xfs@...r.kernel.org
Subject: Re: [linus:master] [xfs]  c91d38b57f:  stress-ng.chown.ops_per_sec
 70.2% improvement

On Thu, Oct 02, 2025 at 04:11:29PM +0800, kernel test robot wrote:
> 
> 
> Hello,
> 
> kernel test robot noticed a 70.2% improvement of stress-ng.chown.ops_per_sec on:

I wonder what stress-ng shown is doing, because unless it is mixing fsync
and ilock-heavy operations on the same node this would be highly
unexpected.