From: Steven Rostedt <rostedt@goodmis.org>
To: Tom Zanussi <zanussi@us.ibm.com>
Cc: richardj_moore@uk.ibm.com, varap@us.ibm.com, karim@opersys.com,
linux-kernel@vger.kernel.org, akpm@osdl.org,
Jason Baron <jbaron@redhat.com>
Subject: Re: Merging relayfs?
Date: Tue, 12 Jul 2005 12:00:46 -0400 [thread overview]
Message-ID: <1121184046.6917.51.camel@localhost.localdomain> (raw)
In-Reply-To: <17107.57641.217499.429075@tut.ibm.com>
On Tue, 2005-07-12 at 10:26 -0500, Tom Zanussi wrote:
> I don't really know how we would get around using vmap - it seems like
> the alternatives, such as managing an array of pages or something like
> that, would slow down the logging path too much to make it useful as a
> low overhead logging mechanism. I you have any ideas though, please
> let me know.
Tom,
My logdev device was pretty quick! The managing of the pages were
negligible to the copying of the data to the buffer. Although, sometimes
you needed to copy across buffers, but this too wouldn't be too much of
an impact.
-- Steve
next prev parent reply other threads:[~2005-07-12 16:03 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-12 1:10 Merging relayfs? Tom Zanussi
2005-07-12 1:45 ` Andrew Morton
2005-07-12 2:17 ` Dave Airlie
2005-07-12 2:22 ` Tom Zanussi
2005-07-12 9:12 ` Baruch Even
2005-07-12 2:25 ` Christoph Hellwig
2005-07-12 2:34 ` Andrew Morton
2005-07-12 2:59 ` Karim Yaghmour
2005-07-14 13:26 ` Roman Zippel
2005-07-14 15:01 ` Tom Zanussi
2005-07-17 14:04 ` Roman Zippel
2005-07-17 15:52 ` Tom Zanussi
2005-07-18 5:17 ` Hareesh Nagarajan
2005-07-18 14:31 ` Tom Zanussi
2005-07-18 13:44 ` Steven Rostedt
2005-07-18 14:16 ` Roman Zippel
2005-07-18 14:32 ` Karim Yaghmour
2005-07-18 15:20 ` Roman Zippel
2005-07-18 15:58 ` Tom Zanussi
2005-07-22 20:43 ` Tom Zanussi
2005-07-22 23:19 ` Karim Yaghmour
2005-07-23 2:31 ` Tom Zanussi
2005-07-26 2:35 ` Karim Yaghmour
2005-07-22 20:43 ` Tom Zanussi
2005-07-18 14:36 ` Steven Rostedt
2005-07-18 15:06 ` Roman Zippel
2005-07-18 14:41 ` Tom Zanussi
2005-07-18 8:40 ` Richard J Moore
2005-07-12 13:03 ` Steven Rostedt
2005-07-12 3:05 ` Greg KH
2005-07-12 3:03 ` Karim Yaghmour
2005-07-12 3:24 ` Greg KH
2005-07-12 3:52 ` Karim Yaghmour
2005-07-12 4:30 ` Greg KH
2005-07-12 4:40 ` Karim Yaghmour
2005-07-12 5:23 ` Greg KH
2005-07-12 14:36 ` Steve Rotolo
2005-07-12 3:55 ` Tom Zanussi
2005-07-12 4:27 ` Greg KH
2005-07-12 14:01 ` Tomasz Kłoczko
2005-07-12 14:21 ` Baruch Even
2005-07-12 15:30 ` Tomasz Kłoczko
2005-07-12 15:16 ` Tom Zanussi
2005-07-12 15:44 ` Tomasz Kłoczko
2005-07-12 16:27 ` Tom Zanussi
2005-07-12 17:01 ` Tomasz Kłoczko
2005-07-12 17:23 ` Tom Zanussi
[not found] ` <Pine.BSO.4.62.0507121935500.6919@rudy.mif.pg.gda.pl>
[not found] ` <17108.1906.628755.613285@tut.ibm.com>
[not found] ` <Pine.BSO.4.62.0507122026520.6919@rudy.mif.pg.gda.pl>
[not found] ` <17108.5721.202275.377020@tut.ibm.com>
2005-07-12 19:29 ` Tomasz Kłoczko
2005-07-12 20:44 ` Vara Prasad
2005-07-12 21:02 ` Vara Prasad
2005-07-13 12:40 ` Tomasz Kłoczko
2005-07-13 15:04 ` Vara Prasad
2005-07-13 16:22 ` Tomasz Kłoczko
2005-07-13 4:29 ` Vara Prasad
2005-07-13 13:47 ` Tomasz Kłoczko
2005-07-13 15:55 ` Karim Yaghmour
2005-07-13 15:56 ` Vara Prasad
2005-07-13 16:50 ` Tomasz Kłoczko
2005-07-12 14:58 ` Jason Baron
2005-07-12 15:26 ` Tom Zanussi
2005-07-12 16:00 ` Steven Rostedt [this message]
2005-07-12 15:53 ` Steven Rostedt
2005-07-12 16:08 ` Tom Zanussi
2005-07-12 16:23 ` Steven Rostedt
2005-07-12 16:36 ` Tom Zanussi
2005-07-12 16:49 ` Steven Rostedt
2005-07-12 17:01 ` Tom Zanussi
2005-07-12 21:38 ` Tom Zanussi
2005-07-12 23:40 ` Steven Rostedt
2005-07-12 23:55 ` Andrew Morton
2005-07-13 0:08 ` Steven Rostedt
2005-07-16 21:07 ` relayfs documentation sucks? bert hubert
2005-07-16 23:13 ` Tom Zanussi
2005-07-17 9:01 ` [PATCH] " bert hubert
2005-07-17 15:43 ` Tom Zanussi
2005-07-17 19:45 ` bert hubert
2005-07-17 20:47 ` Tom Zanussi
2005-07-18 13:27 ` Steven Rostedt
2005-07-20 21:27 ` Paul Jackson
2005-07-20 21:45 ` bert hubert
2005-07-21 0:31 ` Paul Jackson
2005-07-22 20:01 ` Paul Jackson
2005-07-22 20:33 ` relayfs as infrastructure, ltt, systemtap, diskstat bert hubert
2005-07-23 18:53 ` Christoph Hellwig
2005-07-23 18:53 ` [PATCH] Re: relayfs documentation sucks? Christoph Hellwig
2005-07-25 23:47 ` Karim Yaghmour
2005-07-26 5:15 ` bert hubert
[not found] <17107.6290.734560.231978@tut.ibm.com.suse.lists.linux.kernel>
[not found] ` <20050712022537.GA26128@infradead.org.suse.lists.linux.kernel>
[not found] ` <20050711193409.043ecb14.akpm@osdl.org.suse.lists.linux.kernel>
2005-07-12 4:36 ` Merging relayfs? Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2005-07-13 8:13 Spirakis, Charles
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