From: Jens Axboe <axboe@kernel.dk>
To: Johannes Thumshirn <jthumshirn@suse.de>,
"lsf-pc@lists.linux-foundation.org"
<lsf-pc@lists.linux-foundation.org>
Cc: linux-block@vger.kernel.org, Linux-scsi@vger.kernel.org,
Sagi Grimberg <sagi@grimberg.me>,
linux-nvme@lists.infradead.org,
Christoph Hellwig <hch@infradead.org>,
Keith Busch <keith.busch@intel.com>
Subject: Re: [LSF/MM TOPIC][LSF/MM ATTEND] NAPI polling for block drivers
Date: Wed, 11 Jan 2017 08:07:37 -0700 [thread overview]
Message-ID: <cc00cc1f-17d7-105e-ef2c-61791b7cc676@kernel.dk> (raw)
In-Reply-To: <20170111134312.GH6286@linux-x5ow.site>
On 01/11/2017 06:43 AM, Johannes Thumshirn wrote:
> Hi all,
>
> I'd like to attend LSF/MM and would like to discuss polling for block drivers.
>
> Currently there is blk-iopoll but it is neither as widely used as NAPI in the
> networking field and accoring to Sagi's findings in [1] performance with
> polling is not on par with IRQ usage.
>
> On LSF/MM I'd like to whether it is desirable to have NAPI like polling in
> more block drivers and how to overcome the currently seen performance issues.
It would be an interesting topic to discuss, as it is a shame that blk-iopoll
isn't used more widely.
--
Jens Axboe
next prev parent reply other threads:[~2017-01-11 15:07 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 13:43 [LSF/MM TOPIC][LSF/MM ATTEND] NAPI polling for block drivers Johannes Thumshirn
2017-01-11 13:46 ` Hannes Reinecke
2017-01-11 15:07 ` Jens Axboe [this message]
2017-01-11 15:13 ` Jens Axboe
2017-01-12 8:23 ` Sagi Grimberg
2017-01-12 10:02 ` Johannes Thumshirn
2017-01-12 11:44 ` Sagi Grimberg
2017-01-12 12:53 ` Johannes Thumshirn
2017-01-12 14:41 ` [Lsf-pc] " Sagi Grimberg
2017-01-12 18:59 ` Johannes Thumshirn
2017-01-17 15:38 ` Sagi Grimberg
2017-01-17 15:45 ` Sagi Grimberg
2017-01-20 12:22 ` Johannes Thumshirn
2017-01-17 16:15 ` Sagi Grimberg
2017-01-17 16:27 ` Johannes Thumshirn
2017-01-17 16:38 ` Sagi Grimberg
2017-01-18 13:51 ` Johannes Thumshirn
2017-01-18 14:27 ` Sagi Grimberg
2017-01-18 14:36 ` Andrey Kuzmin
2017-01-18 14:40 ` Sagi Grimberg
2017-01-18 15:35 ` Andrey Kuzmin
2017-01-18 14:58 ` Johannes Thumshirn
2017-01-18 15:14 ` Sagi Grimberg
2017-01-18 15:16 ` Johannes Thumshirn
2017-01-18 15:39 ` Hannes Reinecke
2017-01-19 8:12 ` Sagi Grimberg
2017-01-19 8:23 ` Sagi Grimberg
2017-01-19 9:18 ` Johannes Thumshirn
2017-01-19 9:13 ` Johannes Thumshirn
[not found] ` <CANvN+emx1-F3iAY45t1_MQRcijw7sf1jPvjwv0uh8A3GzzQwMg@mail.gmail.com>
2017-01-17 16:50 ` Sagi Grimberg
2017-01-18 14:02 ` Hannes Reinecke
2017-01-20 0:13 ` Jens Axboe
2017-01-13 15:56 ` Johannes Thumshirn
2017-01-11 15:16 ` Hannes Reinecke
2017-01-12 4:36 ` Stephen Bates
2017-01-12 4:44 ` Jens Axboe
2017-01-12 4:56 ` Stephen Bates
2017-01-19 10:57 ` Ming Lei
2017-01-19 11:03 ` Hannes Reinecke
2017-01-11 16:08 ` Bart Van Assche
2017-01-11 16:12 ` hch
2017-01-11 16:15 ` Jens Axboe
2017-01-11 16:22 ` Hannes Reinecke
2017-01-11 16:26 ` Bart Van Assche
2017-01-11 16:45 ` Hannes Reinecke
2017-01-12 8:52 ` sagi grimberg
2017-01-11 16:14 ` Johannes Thumshirn
2017-01-12 8:41 ` Sagi Grimberg
2017-01-12 19:13 ` Bart Van Assche
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