linux-nvme.lists.infradead.org archive mirror
 help / color / mirror / Atom feed
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.


_______________________________________________
linux-nvme mailing list
linux-nvme@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-nvme

      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 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]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=BYAPR04MB5749DBBD567F3BFCAFAB348686320@BYAPR04MB5749.namprd04.prod.outlook.com \
    --to=chaitanya.kulkarni@wdc.com \
    --cc=hch@lst.de \
    --cc=linux-nvme@lists.infradead.org \
    --cc=sagi@grimberg.me \
    --subject='Re: [RFC PATCH 0/2] nvmet: add polling support' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).