From: Juan Quintela <quintela@redhat.com>
To: Zhenzhong Duan <zhenzhong.duan@intel.com>
Cc: qemu-devel@nongnu.org, dgilbert@redhat.com, peterx@redhat.com,
zhengchuan@huawei.com, huangy81@chinatelecom.cn
Subject: Re: [PATCH] migration/dirtyrate: Show sample pages only in page-sampling mode
Date: Thu, 02 Feb 2023 16:25:59 +0100 [thread overview]
Message-ID: <87ilgknl6g.fsf@secure.mitica> (raw)
In-Reply-To: <20221129040404.4151126-1-zhenzhong.duan@intel.com> (Zhenzhong Duan's message of "Tue, 29 Nov 2022 12:04:04 +0800")
Zhenzhong Duan <zhenzhong.duan@intel.com> wrote:
> The value of "Sample Pages" is confusing in mode other than page-sampling.
> See below:
>
> (qemu) calc_dirty_rate -b 10 520
> (qemu) info dirty_rate
> Status: measuring
> Start Time: 11646834 (ms)
> Sample Pages: 520 (per GB)
> Period: 10 (sec)
> Mode: dirty-bitmap
> Dirty rate: (not ready)
>
> (qemu) info dirty_rate
> Status: measured
> Start Time: 11646834 (ms)
> Sample Pages: 0 (per GB)
> Period: 10 (sec)
> Mode: dirty-bitmap
> Dirty rate: 2 (MB/s)
>
> While it's totally useless in dirty-ring and dirty-bitmap mode, fix to
> show it only in page-sampling mode.
>
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
queued.
prev parent reply other threads:[~2023-02-02 15:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-29 4:04 [PATCH] migration/dirtyrate: Show sample pages only in page-sampling mode Zhenzhong Duan
2022-11-29 15:23 ` Peter Xu
2023-02-02 15:25 ` Juan Quintela [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=87ilgknl6g.fsf@secure.mitica \
--to=quintela@redhat.com \
--cc=dgilbert@redhat.com \
--cc=huangy81@chinatelecom.cn \
--cc=peterx@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=zhengchuan@huawei.com \
--cc=zhenzhong.duan@intel.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).