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From: Yin Fengwei <fengwei.yin@intel.com>
To: Dexuan Cui <decui@microsoft.com>, Jens Axboe <axboe@kernel.dk>,
	"Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"ming.lei@redhat.com" <ming.lei@redhat.com>,
	"hch@lst.de" <hch@lst.de>, Long Li <longli@microsoft.com>,
	"Michael Kelley (LINUX)" <mikelley@microsoft.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Sang, Oliver" <oliver.sang@intel.com>,
	"Li, Philip" <philip.li@intel.com>
Subject: Re: RE: very low IOPS due to "block: reduce kblockd_mod_delayed_work_on() CPU consumption"
Date: Tue, 28 Dec 2021 10:30:43 +0800	[thread overview]
Message-ID: <27973649-193d-a485-1ca7-983a53c7cf78@intel.com> (raw)
In-Reply-To: <BYAPR21MB127067C16809209C019BC83BBF7B9@BYAPR21MB1270.namprd21.prod.outlook.com>

Hi Jens, Dexuan,

On 12/20/2021 1:15 PM, Dexuan Cui wrote:
>> From: Jens Axboe <axboe@kernel.dk>
>> Sent: Sunday, December 19, 2021 7:28 AM
>>> ...
>>> Dexuan, can you test this for your test case too? I'm going to queue
>>> up a revert for -rc6 just in case.
>>
>> This one should be better...
>> ...
>> Jens Axboe
> 
> Hi Jens, sorry -- unluckily I lost the test environment.. :-(
> I pinged the user to set up the test environment again, but he's
> on vacation till the beginning of January.

We hit this issue in our testing env also and will help to verify
your fixing patch. Thanks.


Regards
Yin, Fengwei

  reply	other threads:[~2021-12-28  2:31 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1639853092.524jxfaem2.none.ref@localhost>
2021-12-18 18:57 ` very low IOPS due to "block: reduce kblockd_mod_delayed_work_on() CPU consumption" Alex Xu (Hello71)
2021-12-18 19:02   ` Jens Axboe
2021-12-19 14:58     ` Jens Axboe
2021-12-19 15:28       ` Jens Axboe
2021-12-20  5:15         ` Dexuan Cui
2021-12-28  2:30           ` Yin Fengwei [this message]
     [not found]             ` <20211228134926.GA31268@xsang-OptiPlex-9020>
2022-01-22  6:14               ` Dexuan Cui
2022-02-08 18:34                 ` Dexuan Cui
2021-12-23 11:50         ` Christoph Hellwig

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