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From: Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>
To: Sagi Grimberg <sagi@grimberg.me>, "hch@lst.de" <hch@lst.de>
Cc: "linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: [RFC PATCH 0/2] nvmet: add polling support
Date: Mon, 20 Jan 2020 04:48:36 +0000	[thread overview]
Message-ID: <BYAPR04MB5749DBBD567F3BFCAFAB348686320@BYAPR04MB5749.namprd04.prod.outlook.com> (raw)
In-Reply-To: fe370161-13d7-a005-2666-968107be13bd@grimberg.me

On 12/11/2019 05:01 PM, Sagi Grimberg wrote:
> percpu threads per namespace? Sounds like the wrong approach. These
> threads will compete for cpu time with the main nvmet contexts.

Isn't having need_resched() placed in the polling thread should
help with the one thread hogging the CPU ?

Please have a look my reply and performance numbers for new patch.


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      parent reply	other threads:[~2020-01-20  4:48 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-10  6:25 [RFC PATCH 0/2] nvmet: add polling support Chaitanya Kulkarni
2019-12-10  6:25 ` [RFC PATCH 1/2] nvmet: add bdev-ns " Chaitanya Kulkarni
2020-01-20 12:52   ` Max Gurtovoy
2020-01-21 19:22     ` Chaitanya Kulkarni
2020-01-23 14:23       ` Max Gurtovoy
2020-01-30 18:19         ` Chaitanya Kulkarni
2019-12-10  6:25 ` [RFC PATCH 2/2] nvmet: add file-ns " Chaitanya Kulkarni
2019-12-12  1:01 ` [RFC PATCH 0/2] nvmet: add " Sagi Grimberg
2019-12-12  5:44   ` Chaitanya Kulkarni
2019-12-12 20:32     ` Sagi Grimberg
2020-01-20  5:13       ` Chaitanya Kulkarni
2020-01-20  4:48   ` Chaitanya Kulkarni [this message]

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