Linux-NVME Archive on lore.kernel.org
 help / color / Atom feed
From: Chris Healy <cphealy@gmail.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Sagi Grimberg <sagi@grimberg.me>,
	linux-pm@vger.kernel.org,
	linux-kernel <linux-kernel@vger.kernel.org>,
	linux-nvme@lists.infradead.org,
	Akinobu Mita <akinobu.mita@gmail.com>, Jens Axboe <axboe@fb.com>,
	Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>,
	Guenter Roeck <linux@roeck-us.net>
Subject: Re: [PATCH v2] nvme: Add hardware monitoring support
Date: Wed, 6 Nov 2019 15:58:56 -0800
Message-ID: <CAFXsbZrGudirV7j9=h_BHG3HGAVs_zGRpgz7J4DRy2SxioVvLQ@mail.gmail.com> (raw)
In-Reply-To: <20191106212921.GA7020@amd>

> > > Signed-off-by: Guenter Roeck <linux@roeck-us.net>
> >
> > This looks fine to me, but I'll wait a few more days to see if there are
> > any additional comments..
>
> User wants to know temperature of /dev/sda... and we already have an
> userspace tools knowing about smart, etc...

At least for my use cases, being able to use the thermal subsystem of
the kernel to cool things down when the SSD gets too hot is important.
Is there a way to do this with userspace tools feeding back to the
kernel's thermal subsystem?

>
> pavel@amd:/data/film$ sudo hddtemp /dev/sda
> /dev/sda: ST1000LM014-1EJ164: 48°C
>
> I see we also have sensors framework but it does _not_ handle
> harddrive temperatures.
>
> Does it need some kind of unification? Should NVMe devices expose
> "SMART" information in the same way other SSDs do?
>
> Best regards,
>                                                                 Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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

  parent reply index

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-29 22:32 Guenter Roeck
2019-10-30  0:53 ` Keith Busch
2019-11-06 21:29   ` Pavel Machek
2019-11-06 22:30     ` Guenter Roeck
2019-11-06 23:58     ` Chris Healy [this message]
2019-10-30 11:16 ` Akinobu Mita
2019-10-30 14:05   ` Christoph Hellwig
2019-10-31  2:54     ` Guenter Roeck
2019-10-31 13:46       ` Christoph Hellwig
2019-10-31 13:46     ` Akinobu Mita
2019-10-31  2:20   ` Guenter Roeck
2019-10-31 13:44     ` Akinobu Mita
2019-10-31 13:45     ` Christoph Hellwig
2019-10-31 17:54       ` Guenter Roeck
2019-10-30 14:12 ` Christoph Hellwig
2019-10-30 23:40 ` Chris Healy

Reply instructions:

You may reply publically 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='CAFXsbZrGudirV7j9=h_BHG3HGAVs_zGRpgz7J4DRy2SxioVvLQ@mail.gmail.com' \
    --to=cphealy@gmail.com \
    --cc=akinobu.mita@gmail.com \
    --cc=axboe@fb.com \
    --cc=hch@lst.de \
    --cc=kbusch@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-nvme@lists.infradead.org \
    --cc=linux-pm@vger.kernel.org \
    --cc=linux@roeck-us.net \
    --cc=pavel@ucw.cz \
    --cc=sagi@grimberg.me \
    /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

Linux-NVME Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-nvme/0 linux-nvme/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-nvme linux-nvme/ https://lore.kernel.org/linux-nvme \
		linux-nvme@lists.infradead.org
	public-inbox-index linux-nvme

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.infradead.lists.linux-nvme


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git