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
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