From: Juan Quintela <quintela@redhat.com>
To: Alexey Perevalov <a.perevalov@samsung.com>
Cc: qemu-devel@nongnu.org, peterx@redhat.com, i.maximets@samsung.com,
heetae82.ahn@samsung.com, dgilbert@redhat.com
Subject: Re: [Qemu-devel] [PATCH v12 3/6] migration: calculate vCPU blocktime on dst side
Date: Tue, 02 Jan 2018 21:53:26 +0100 [thread overview]
Message-ID: <87tvw43ruh.fsf@secure.laptop> (raw)
In-Reply-To: <1509369390-8285-4-git-send-email-a.perevalov@samsung.com> (Alexey Perevalov's message of "Mon, 30 Oct 2017 16:16:27 +0300")
Alexey Perevalov <a.perevalov@samsung.com> wrote:
> This patch provides blocktime calculation per vCPU,
> as a summary and as a overlapped value for all vCPUs.
>
> This approach was suggested by Peter Xu, as an improvements of
> previous approch where QEMU kept tree with faulted page address and cpus bitmask
> in it. Now QEMU is keeping array with faulted page address as value and vCPU
> as index. It helps to find proper vCPU at UFFD_COPY time. Also it keeps
> list for blocktime per vCPU (could be traced with page_fault_addr)
>
> Blocktime will not calculated if postcopy_blocktime field of
> MigrationIncomingState wasn't initialized.
>
> Signed-off-by: Alexey Perevalov <a.perevalov@samsung.com>
> # migration/exec.c
> migration_exec_outgoing(const char *cmd) "cmd=%s"
Reviewed-by: Juan Quintela <quintela@redhat.com>
next prev parent reply other threads:[~2018-01-02 20:53 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20171030131646eucas1p14d2fcb39b4916be2960719f68413c082@eucas1p1.samsung.com>
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 0/6] calculate blocktime for postcopy live migration Alexey Perevalov
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 1/6] migration: introduce postcopy-blocktime capability Alexey Perevalov
2018-01-02 20:49 ` Juan Quintela
2018-01-02 21:20 ` Eric Blake
2018-01-05 12:10 ` Alexey Perevalov
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 2/6] migration: add postcopy blocktime ctx into MigrationIncomingState Alexey Perevalov
2018-01-02 20:51 ` Juan Quintela
2018-01-02 21:22 ` Eric Blake
2018-01-03 8:25 ` Juan Quintela
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 3/6] migration: calculate vCPU blocktime on dst side Alexey Perevalov
2017-12-01 18:54 ` Dr. David Alan Gilbert
2018-01-02 20:53 ` Juan Quintela [this message]
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 4/6] migration: postcopy_blocktime documentation Alexey Perevalov
2018-01-03 8:18 ` Juan Quintela
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 5/6] migration: add blocktime calculation into migration-test Alexey Perevalov
2018-01-03 8:19 ` Juan Quintela
2017-10-30 13:16 ` [Qemu-devel] [PATCH v12 6/6] migration: add postcopy total blocktime into query-migrate Alexey Perevalov
2018-01-02 21:26 ` Eric Blake
2018-01-05 12:15 ` Alexey Perevalov
2018-01-05 16:21 ` Eric Blake
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=87tvw43ruh.fsf@secure.laptop \
--to=quintela@redhat.com \
--cc=a.perevalov@samsung.com \
--cc=dgilbert@redhat.com \
--cc=heetae82.ahn@samsung.com \
--cc=i.maximets@samsung.com \
--cc=peterx@redhat.com \
--cc=qemu-devel@nongnu.org \
/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.