From: Zheng Liu <gnehzuil.liu@gmail.com>
To: Zhi Yong Wu <zwu.kernel@gmail.com>
Cc: linux-fsdevel@vger.kernel.org, linuxram@linux.vnet.ibm.com,
Dave Chinner <david@fromorbit.com>,
cmm@us.ibm.com, Ben Chociej <bchociej@gmail.com>,
Zheng Liu <wenqing.lz@taobao.com>,
"Darrick J. Wong" <darrick.wong@oracle.com>,
Ram Pai <linuxram@us.ibm.com>,
James Northrup <northrup.james@gmail.com>,
Steven Whitehouse <swhiteho@redhat.com>
Subject: Re: VFS hot tracking: How to calculate data temperature?
Date: Fri, 9 Nov 2012 11:20:48 +0800 [thread overview]
Message-ID: <20121109032048.GA28278@gmail.com> (raw)
In-Reply-To: <CAEH94LiB05bck=w=TnDcg02TttPaanzhCtgPW-o8rVO5uBA4iw@mail.gmail.com>
On Fri, Nov 09, 2012 at 09:12:10AM +0800, Zhi Yong Wu wrote:
> On Fri, Nov 2, 2012 at 12:04 PM, Zhi Yong Wu <zwu.kernel@gmail.com> wrote:
> > HI, guys
> >
> > VFS hot tracking currently show result as below, and it is very
> > strange and not nice.
> >
> > inode #279, reads 0, writes 1, avg read time 18446744073709551615,
> > avg write time 5251566408153596, temp 109
> >
> > Do anyone know if there is one simpler but effective way to calculate
> > data temperature?
>
> inode 279, reads 0, writes 1, temp 109
>
> Since we have got no better way, and avg read/write times are
> mid-stage value, i want to show it as above format, do you think of
> it?
Looks good to me.
Regards,
Zheng
next prev parent reply other threads:[~2012-11-09 3:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-02 4:04 VFS hot tracking: How to calculate data temperature? Zhi Yong Wu
2012-11-02 4:43 ` Ram Pai
2012-11-02 6:39 ` Zhi Yong Wu
2012-11-02 6:38 ` Zhi Yong Wu
2012-11-02 8:41 ` Zheng Liu
2012-11-02 20:10 ` Darrick J. Wong
2012-11-05 2:34 ` Zhi Yong Wu
2012-11-05 8:35 ` Dave Chinner
2012-11-05 2:29 ` Zhi Yong Wu
2012-11-06 8:39 ` Zheng Liu
2012-11-06 9:00 ` Zhi Yong Wu
2012-11-07 6:45 ` Zheng Liu
2012-11-06 9:36 ` Ram Pai
2012-11-06 23:10 ` Darrick J. Wong
2012-11-07 6:36 ` Zheng Liu
2012-11-07 19:25 ` Darrick J. Wong
2012-11-08 2:48 ` Zheng Liu
2012-11-02 21:27 ` Mingming.cao
2012-11-05 2:35 ` Zhi Yong Wu
2012-11-05 8:28 ` Dave Chinner
2012-11-05 8:44 ` Zhi Yong Wu
2012-11-05 10:33 ` Steven Whitehouse
2012-11-05 11:46 ` Zhi Yong Wu
2012-11-05 11:57 ` Steven Whitehouse
2012-11-05 12:18 ` Zhi Yong Wu
2012-11-05 12:25 ` Steven Whitehouse
2012-11-09 1:12 ` Zhi Yong Wu
2012-11-09 3:20 ` Zheng Liu [this message]
[not found] ` <CAPkEcwg0ZHjV3JVxoKSzFqKLHavhGdTufLZBdBGQ6xXDMrSU-w@mail.gmail.com>
2012-11-11 23:32 ` Zhi Yong Wu
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=20121109032048.GA28278@gmail.com \
--to=gnehzuil.liu@gmail.com \
--cc=bchociej@gmail.com \
--cc=cmm@us.ibm.com \
--cc=darrick.wong@oracle.com \
--cc=david@fromorbit.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linuxram@linux.vnet.ibm.com \
--cc=linuxram@us.ibm.com \
--cc=northrup.james@gmail.com \
--cc=swhiteho@redhat.com \
--cc=wenqing.lz@taobao.com \
--cc=zwu.kernel@gmail.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.