From: Rik van Riel <riel@conectiva.com.br>
To: Richard Gooch <rgooch@ras.ucalgary.ca>
Cc: Larry McVoy <lm@bitmover.com>,
Linus Torvalds <torvalds@transmeta.com>,
Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Getting FS access events
Date: Mon, 14 May 2001 00:09:08 -0300 (BRST) [thread overview]
Message-ID: <Pine.LNX.4.21.0105140007400.4671-100000@imladris.rielhome.conectiva> (raw)
In-Reply-To: <200105140239.f4E2dNd08399@vindaloo.ras.ucalgary.ca>
On Sun, 13 May 2001, Richard Gooch wrote:
> Larry McVoy writes:
> > Ha. For once you're both wrong but not where you are thinking. One
> > of the few places that I actually hacked Linux was for exactly this
> > - it was in the 0.99 days I think. I saved the list of I/O's in a
> > file and filled the buffer cache with them at next boot. It
> > actually didn't help at all.
>
> Maybe you did something wrong :-)
How about "the data loads got instrumented, but the metadata
loads which caused over half of the disk seeks didn't" ?
(just a wild guess ... if it turns out to be true we may want
to look into doing agressive readahead on inode blocks ;))
regards,
Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...
http://www.surriel.com/ http://distro.conectiva.com/
Send all your spam to aardvark@nl.linux.org (spam digging piggy)
next prev parent reply other threads:[~2001-05-14 3:09 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200105140117.f4E1HqN07362@vindaloo.ras.ucalgary.ca>
2001-05-14 1:32 ` Getting FS access events Linus Torvalds
2001-05-14 1:45 ` Larry McVoy
2001-05-14 2:39 ` Richard Gooch
2001-05-14 3:09 ` Rik van Riel [this message]
2001-05-14 4:27 ` Richard Gooch
2001-05-15 4:37 ` Chris Wedgwood
2001-05-23 11:37 ` Stephen C. Tweedie
2001-05-14 2:24 ` Richard Gooch
2001-05-14 4:46 ` Linus Torvalds
2001-05-14 5:15 ` Richard Gooch
2001-05-14 13:04 ` Daniel Phillips
2001-05-14 18:00 ` Andreas Dilger
2001-05-14 20:16 ` Linus Torvalds
2001-05-14 23:19 ` Richard Gooch
2001-05-15 0:42 ` Daniel Phillips
2001-05-15 4:00 ` Linus Torvalds
2001-05-15 4:35 ` Larry McVoy
2001-05-15 4:59 ` Alexander Viro
2001-05-15 17:01 ` Pavel Machek
2001-05-15 4:43 ` Linus Torvalds
2001-05-15 5:04 ` Alexander Viro
2001-05-15 16:17 ` Pavel Machek
2001-05-19 19:39 ` Linus Torvalds
2001-05-19 19:44 ` Pavel Machek
2001-05-19 19:47 ` Linus Torvalds
2001-05-23 11:29 ` Stephen C. Tweedie
2001-05-20 4:30 ` Chris Wedgwood
2001-05-20 19:47 ` Alan Cox
2001-05-18 7:55 ` Rogier Wolff
2001-05-23 11:36 ` Stephen C. Tweedie
2001-05-15 4:57 ` David S. Miller
2001-05-15 5:12 ` Alexander Viro
2001-05-15 9:10 ` Alan Cox
2001-05-15 9:48 ` Lars Brinkhoff
2001-05-15 9:54 ` Alexander Viro
2001-05-15 20:17 ` Kai Henningsen
2001-05-15 20:58 ` Alexander Viro
2001-05-15 21:08 ` Alexander Viro
2001-05-15 6:20 ` Richard Gooch
2001-05-15 6:28 ` Linus Torvalds
2001-05-15 6:49 ` Richard Gooch
2001-05-15 6:57 ` Alexander Viro
2001-05-15 10:33 ` Daniel Phillips
2001-05-15 10:44 ` Alexander Viro
2001-05-15 14:42 ` Daniel Phillips
2001-05-15 7:13 ` Linus Torvalds
2001-05-15 7:56 ` Chris Wedgwood
2001-05-15 8:06 ` Linus Torvalds
2001-05-15 8:33 ` Alexander Viro
2001-05-15 10:27 ` David Woodhouse
2001-05-15 16:00 ` Chris Mason
2001-05-15 19:26 ` H. Peter Anvin
2001-05-15 20:03 ` Alexander Viro
2001-05-15 20:07 ` H. Peter Anvin
2001-05-15 20:15 ` Alexander Viro
2001-05-15 20:17 ` H. Peter Anvin
2001-05-15 20:22 ` Alexander Viro
2001-05-15 20:26 ` H. Peter Anvin
2001-05-15 20:31 ` Alexander Viro
2001-05-15 21:12 ` Linus Torvalds
2001-05-15 21:22 ` H. Peter Anvin
2001-05-15 21:02 ` Linus Torvalds
2001-05-15 21:53 ` Jan Harkes
2001-05-19 5:26 ` Chris Wedgwood
2001-05-15 10:04 ` Anton Altaparmakov
2001-05-15 19:28 ` H. Peter Anvin
2001-05-15 22:31 ` Albert D. Cahalan
2001-05-15 22:35 ` H. Peter Anvin
2001-05-16 1:17 ` Anton Altaparmakov
2001-05-16 1:30 ` H. Peter Anvin
2001-05-16 8:34 ` Anton Altaparmakov
2001-05-16 16:27 ` H. Peter Anvin
2001-05-15 16:26 ` Pavel Machek
2001-05-15 18:02 ` Craig Milo Rogers
2001-05-15 6:13 ` Richard Gooch
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