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From: Phillip Susi <psusi@ubuntu.com>
To: "Zuckerman, Boris" <borisz@hp.com>,
	Matthew Wilcox <willy@linux.intel.com>
Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: Re: Tracking actual disk write sources instead of flush thread
Date: Wed, 16 Apr 2014 15:27:52 -0400	[thread overview]
Message-ID: <534ED9B8.9090605@ubuntu.com> (raw)
In-Reply-To: <4C30833E5CDF444D84D942543DF65BDA625F5246@G4W3303.americas.hpqcorp.net>

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On 4/16/2014 2:28 PM, Zuckerman, Boris wrote:
> [bz:] In such case I'd rather have lighter implementation of
> caching layer, than ability to track disk IOs per process. IOs per
> process can be tracked by other tools...

What other tools?

I can envision blktrace being extended to hook into the mm layer to
track the real source of writes, but without any overhead when the
trace is not running.


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  reply	other threads:[~2014-04-16 19:27 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-16  2:01 Tracking actual disk write sources instead of flush thread Phillip Susi
2014-04-16 14:01 ` Matthew Wilcox
2014-04-16 15:15   ` Phillip Susi
2014-04-16 16:42     ` Andreas Dilger
2014-04-16 17:44     ` Zuckerman, Boris
2014-04-16 18:18       ` Phillip Susi
2014-04-16 18:28         ` Zuckerman, Boris
2014-04-16 19:27           ` Phillip Susi [this message]
2014-04-23 13:48             ` Matthew Wilcox
2014-04-23 19:39               ` Phillip Susi
2014-04-23 23:00                 ` Theodore Ts'o
2014-04-24  1:20                   ` Phillip Susi
2014-04-23 23:19                 ` Andreas Dilger
2014-04-24  1:39                   ` Phillip Susi
2014-04-28  3:27                   ` Andi Kleen
2014-04-16 19:33     ` Andi Kleen
2014-04-24 19:33     ` Jan Kara

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