From: Chaitanya Kulkarni <chaitanyak@nvidia.com>
To: Ping Gan <jacky_gam_2001@163.com>
Cc: "ping_gan@dell.com" <ping_gan@dell.com>,
"kbusch@kernel.org" <kbusch@kernel.org>,
"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Chaitanya Kulkarni <chaitanyak@nvidia.com>,
"hch@lst.de" <hch@lst.de>, "sagi@grimberg.me" <sagi@grimberg.me>,
"axboe@kernel.dk" <axboe@kernel.dk>
Subject: Re: [PATCH 0/4] nvmet: support polling queue task for bio request
Date: Wed, 13 Sep 2023 18:53:46 +0000 [thread overview]
Message-ID: <28949e52-7db7-4227-6bbd-cb8b627b390f@nvidia.com> (raw)
In-Reply-To: <cover.1694592708.git.jacky_gam_2001@163.com>
On 9/13/2023 1:34 AM, Ping Gan wrote:
> Since nvme target currently does not support to submit bio to a polling
> queue, the bio's completion relies on system interrupt. But when there
> is high workload in system and the competition is very high, so it makes
> sense to add polling queue task to submit bio to disk's polling queue
> and poll the completion queue of disk.
>
>
I did some work in the past for nvmet polling and saw good
performance improvement.
Can you please share performance numbers for this series ?
-ck
next prev parent reply other threads:[~2023-09-13 18:54 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-13 8:36 [PATCH 0/4] nvmet: support polling queue task for bio request Ping Gan
2023-09-13 8:34 ` Ping Gan
2023-09-13 8:36 ` [PATCH 1/4] nvmet: Add nvme target polling queue task parameters Ping Gan
2023-09-13 8:36 ` [PATCH 2/4] nvmet: Add polling queue task for nvme target Ping Gan
2023-09-13 12:19 ` kernel test robot
2023-09-13 13:13 ` kernel test robot
2023-09-13 16:03 ` kernel test robot
2023-09-13 8:36 ` [PATCH 3/4] nvmet: support bio polling queue request Ping Gan
2023-09-13 8:36 ` [PATCH 4/4] nvme-core: Get lowlevel disk for target polling queue task Ping Gan
2023-09-13 10:17 ` kernel test robot
2023-09-13 18:53 ` Chaitanya Kulkarni [this message]
2023-09-15 9:37 ` Ping Gan
2023-09-19 3:25 ` [PATCH 0/4] nvmet: support polling queue task for bio Ping Gan
2023-09-15 9:37 ` [PATCH 0/4] nvmet: support polling queue task for bio request Ping Gan
2023-09-19 3:25 ` Ping Gan
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