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From: Thomas Gleixner <tglx@linutronix.de>
To: "Song Bao Hua \(Barry Song\)" <song.bao.hua@hisilicon.com>,
	kernel test robot <oliver.sang@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	"lkp\@lists.01.org" <lkp@lists.01.org>,
	"lkp\@intel.com" <lkp@intel.com>,
	"ying.huang\@intel.com" <ying.huang@intel.com>,
	"feng.tang\@intel.com" <feng.tang@intel.com>,
	"zhengjun.xing\@intel.com" <zhengjun.xing@intel.com>
Subject: RE: [genirq]  cbe16f35be:  will-it-scale.per_thread_ops -5.2% regression
Date: Tue, 27 Apr 2021 13:37:53 +0200	[thread overview]
Message-ID: <87im48nejy.ffs@nanos.tec.linutronix.de> (raw)
In-Reply-To: <de61a3b5b6b1467ea7d377377c443572@hisilicon.com>

On Tue, Apr 27 2021 at 09:20, Song Bao Hua wrote:
>> FYI, we noticed a -5.2% regression of will-it-scale.per_thread_ops due to
>> commit:
>> 
>> 
>> commit: cbe16f35bee6880becca6f20d2ebf6b457148552 ("genirq: Add IRQF_NO_AUTOEN
>> for request_irq/nmi()")
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
>> 
>
> Might be relevant. Can't figure out the relation between getppid and
> request_irq().

Me neither ...

  reply	other threads:[~2021-04-27 11:38 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-27  9:00 [genirq] cbe16f35be: will-it-scale.per_thread_ops -5.2% regression kernel test robot
2021-04-27  9:20 ` Song Bao Hua (Barry Song)
2021-04-27 11:37   ` Thomas Gleixner [this message]
2021-04-27 11:42 ` Thomas Gleixner
2021-04-27 19:37   ` Thomas Gleixner
2021-04-28  8:36     ` Feng Tang
2021-04-28  5:07   ` Feng Tang
2021-04-28  7:01     ` Song Bao Hua (Barry Song)
2021-04-28  8:08       ` Feng Tang
2021-04-28  8:56         ` Thomas Gleixner
2021-04-28 15:23           ` [LKP] " Philip Li
2021-04-28 16:56             ` Thomas Gleixner

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