All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: Eric Blake <eblake@redhat.com>
Cc: qemu-devel@nongnu.org, quintela@redhat.com, peterx@redhat.com,
	a.perevalov@samsung.com, xiaoguangrong@tencent.com
Subject: Re: [Qemu-devel] [PULL 06/16] migration: add postcopy total blocktime into query-migrate
Date: Thu, 26 Apr 2018 13:28:44 +0100	[thread overview]
Message-ID: <20180426122843.GD2631@work-vm> (raw)
In-Reply-To: <a9d3149c-f5a3-c220-a802-5ea7a4bffd90@redhat.com>

* Eric Blake (eblake@redhat.com) wrote:
> On 04/25/2018 03:03 PM, Dr. David Alan Gilbert (git) wrote:
> > From: Alexey Perevalov <a.perevalov@samsung.com>
> > 
> > Postcopy total blocktime is available on destination side only.
> > But query-migrate was possible only for source. This patch
> > adds ability to call query-migrate on destination.
> > To be able to see postcopy blocktime, need to request postcopy-blocktime
> > capability.
> 
> This prerequisite command...
> 
> 
> > +++ b/qapi/migration.json
> > @@ -155,6 +155,13 @@
> >  # @error-desc: the human readable error description string, when
> >  #              @status is 'failed'. Clients should not attempt to parse the
> >  #              error strings. (Since 2.7)
> > +#
> > +# @postcopy-blocktime: total time when all vCPU were blocked during postcopy
> > +#           live migration (Since 2.13)
> > +#
> > +# @postcopy-vcpu-blocktime: list of the postcopy blocktime per vCPU (Since 2.13)
> 
> ... should be documented here (something along the lines of "This field
> is only present if the postcopy-blocktime migration capability was enabled")
> 
> > +#
> > +
> >  #
> 
> Why the blank line addition?  More to include in your followup cleanup
> patch.

Again I'll fix those up.

Dave

> -- 
> Eric Blake, Principal Software Engineer
> Red Hat, Inc.           +1-919-301-3266
> Virtualization:  qemu.org | libvirt.org
> 



--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK

  reply	other threads:[~2018-04-26 12:28 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-25 20:03 [Qemu-devel] [PULL 00/16] migration queue Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 01/16] migration: introduce postcopy-blocktime capability Dr. David Alan Gilbert (git)
2018-04-25 20:34   ` Eric Blake
2018-04-26 12:24     ` Dr. David Alan Gilbert
2018-04-25 20:03 ` [Qemu-devel] [PULL 02/16] migration: add postcopy blocktime ctx into MigrationIncomingState Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 03/16] migration: calculate vCPU blocktime on dst side Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 04/16] migration: postcopy_blocktime documentation Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 05/16] migration: add blocktime calculation into migration-test Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 06/16] migration: add postcopy total blocktime into query-migrate Dr. David Alan Gilbert (git)
2018-04-25 20:37   ` Eric Blake
2018-04-26 12:28     ` Dr. David Alan Gilbert [this message]
2018-04-25 20:03 ` [Qemu-devel] [PULL 07/16] migration: stop compressing page in migration thread Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 08/16] migration: stop compression to allocate and free memory frequently Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 09/16] migration: stop decompression " Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 10/16] migration: detect compression and decompression errors Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 11/16] migration: introduce control_save_page() Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 12/16] migration: move some code to ram_save_host_page Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 13/16] migration: move calling control_save_page to the common place Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 14/16] migration: move calling save_zero_page " Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 15/16] migration: introduce save_normal_page() Dr. David Alan Gilbert (git)
2018-04-25 20:03 ` [Qemu-devel] [PULL 16/16] migration: remove ram_save_compressed_page() Dr. David Alan Gilbert (git)
2018-04-26 10:57 ` [Qemu-devel] [PULL 00/16] migration queue Peter Maydell

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=20180426122843.GD2631@work-vm \
    --to=dgilbert@redhat.com \
    --cc=a.perevalov@samsung.com \
    --cc=eblake@redhat.com \
    --cc=peterx@redhat.com \
    --cc=qemu-devel@nongnu.org \
    --cc=quintela@redhat.com \
    --cc=xiaoguangrong@tencent.com \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.