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From: "Chen, Yu C" <yu.c.chen@intel.com>
To: kernel test robot <oliver.sang@intel.com>, Chris Mason <clm@fb.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>,
	<linux-kernel@vger.kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Vincent Guittot <vincent.guittot@linaro.org>,
	<pan.deng@intel.com>, <yu.ma@intel.com>,
	<aubrey.li@linux.intel.com>
Subject: Re: [linus:master] [sched/fair] 155213a2ae: unixbench.throughput 23.2% regression
Date: Fri, 15 Aug 2025 11:18:04 +0800	[thread overview]
Message-ID: <4b552080-5299-4234-b101-eab04b21bb74@intel.com> (raw)
In-Reply-To: <202508150416.d7153a48-lkp@intel.com>

Hi Oliver,

On 8/15/2025 11:14 AM, kernel test robot wrote:
> 
> 
> Hello,
> 
> 
> we reported a "22.9% regression of unixbench.throughput" for this patch in
> https://lore.kernel.org/all/202507150846.538fc133-lkp@intel.com/
> where there are some discussions.
> 
> later we also reported
> "[tip:sched/core] [sched/fair]  155213a2ae:  unixbench.throughput 20.2% regression"
> in
> https://lore.kernel.org/all/202507281046.e71b853a-lkp@intel.com/
> 
> 
> since now the commit is in mainline, we rebuild the kernel and rerun the tests,
> still observed similar regression. below full report is just FYI.
> 

Peter has suggested some directions for the fix, will take a look next week.

thanks,
Chenyu


      reply	other threads:[~2025-08-15  3:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-15  3:14 kernel test robot
2025-08-15  3:18 ` Chen, Yu C [this message]

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