From: Phillip Susi <psusi@ubuntu.com>
To: Theodore Ts'o <tytso@mit.edu>
Cc: Matthew Wilcox <willy@linux.intel.com>,
"Zuckerman, Boris" <borisz@hp.com>,
"linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>
Subject: Re: Tracking actual disk write sources instead of flush thread
Date: Wed, 23 Apr 2014 21:20:28 -0400 [thread overview]
Message-ID: <535866DC.6010505@ubuntu.com> (raw)
In-Reply-To: <20140423230042.GB23206@thunk.org>
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On 04/23/2014 07:00 PM, Theodore Ts'o wrote:
> On Wed, Apr 23, 2014 at 03:39:19PM -0400, Phillip Susi wrote:
>> I'm just a little flabbergasted that this regression ( I'm sure
>> there was a time when the current io accounting mechanism did
>> work, probably before the buffer_head -> page cache transition
>> way, *way* back when )
>
> Using what tool? Task-level io accounting is new compared to the
> buffer -> page cache transition, as far as I can remember.
Using iotop. I thought that task level io accounting went all the way
back to bsd?
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next prev parent reply other threads:[~2014-04-24 1:20 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
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 [this message]
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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