From: "Wang, Wei W" <wei.w.wang@intel.com>
To: David Hildenbrand <david@redhat.com>, Peter Xu <peterx@redhat.com>
Cc: "mst@redhat.com" <mst@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"dgilbert@redhat.com" <dgilbert@redhat.com>,
"quintela@redhat.com" <quintela@redhat.com>
Subject: RE: [PATCH v3] migration: clear the memory region dirty bitmap when skipping free pages
Date: Fri, 23 Jul 2021 08:14:40 +0000 [thread overview]
Message-ID: <30a4eb65544241719a55bc2a9e9e1605@intel.com> (raw)
In-Reply-To: <087670b0-d28c-7f3d-caf4-f37acf8f7d7e@redhat.com>
On Friday, July 23, 2021 3:50 PM, David Hildenbrand wrote:
>
> Migration of a 8 GiB VM
> * within the same host
> * after Linux is up and idle
> * free page hinting enabled
> * after dirtying most VM memory using memhog
Thanks for the tests!
I think it would be better to test using idle guests (no memhog).
With memhog eating most of the guest free pages, it's likely no or very few free pages are reported during the test.
Best,
Wei
next prev parent reply other threads:[~2021-07-23 8:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-22 8:30 [PATCH v3] migration: clear the memory region dirty bitmap when skipping free pages Wei Wang
2021-07-22 9:47 ` David Hildenbrand
2021-07-22 9:57 ` Wang, Wei W
2021-07-22 14:51 ` Peter Xu
2021-07-22 14:51 ` David Hildenbrand
2021-07-22 17:41 ` Peter Xu
2021-07-23 7:50 ` David Hildenbrand
2021-07-23 8:14 ` Wang, Wei W [this message]
2021-07-23 8:16 ` David Hildenbrand
2021-07-23 8:32 ` Wang, Wei W
2021-07-23 12:51 ` Peter Xu
2021-07-23 12:52 ` David Hildenbrand
2021-07-23 8:03 ` David Hildenbrand
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=30a4eb65544241719a55bc2a9e9e1605@intel.com \
--to=wei.w.wang@intel.com \
--cc=david@redhat.com \
--cc=dgilbert@redhat.com \
--cc=mst@redhat.com \
--cc=peterx@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=quintela@redhat.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 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).