From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Eric Wong <normalperson@yhbt.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fadvise: perform WILLNEED readahead in a workqueue
Date: Sat, 15 Dec 2012 22:34:48 +0000 [thread overview]
Message-ID: <20121215223448.08272fd5@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20121215005448.GA7698@dcvr.yhbt.net>
On Sat, 15 Dec 2012 00:54:48 +0000
Eric Wong <normalperson@yhbt.net> wrote:
> Applications streaming large files may want to reduce disk spinups and
> I/O latency by performing large amounts of readahead up front
How does it compare benchmark wise with a user thread or using the
readahead() call ?
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Eric Wong <normalperson@yhbt.net>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fadvise: perform WILLNEED readahead in a workqueue
Date: Sat, 15 Dec 2012 22:34:48 +0000 [thread overview]
Message-ID: <20121215223448.08272fd5@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20121215005448.GA7698@dcvr.yhbt.net>
On Sat, 15 Dec 2012 00:54:48 +0000
Eric Wong <normalperson@yhbt.net> wrote:
> Applications streaming large files may want to reduce disk spinups and
> I/O latency by performing large amounts of readahead up front
How does it compare benchmark wise with a user thread or using the
readahead() call ?
next prev parent reply other threads:[~2012-12-15 22:29 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-15 0:54 [PATCH] fadvise: perform WILLNEED readahead in a workqueue Eric Wong
2012-12-15 0:54 ` Eric Wong
2012-12-15 22:34 ` Alan Cox [this message]
2012-12-15 22:34 ` Alan Cox
2012-12-16 0:25 ` Eric Wong
2012-12-16 0:25 ` Eric Wong
2012-12-16 3:03 ` Dave Chinner
2012-12-16 3:03 ` Dave Chinner
2012-12-16 3:35 ` Eric Wong
2012-12-16 3:35 ` Eric Wong
2012-12-16 4:15 ` Dave Chinner
2012-12-16 4:15 ` Dave Chinner
2012-12-16 5:23 ` Eric Wong
2012-12-16 5:23 ` Eric Wong
2012-12-16 21:31 ` Dave Chinner
2012-12-16 21:31 ` Dave Chinner
2012-12-16 8:48 ` Zheng Liu
2012-12-16 8:48 ` Zheng Liu
2012-12-16 2:45 ` Dave Chinner
2012-12-16 2:45 ` Dave Chinner
2012-12-16 3:04 ` Eric Wong
2012-12-16 3:04 ` Eric Wong
2012-12-16 3:09 ` Eric Wong
2012-12-16 3:09 ` Eric Wong
2012-12-16 3:36 ` Dave Chinner
2012-12-16 3:36 ` Dave Chinner
2012-12-16 3:59 ` Eric Wong
2012-12-16 3:59 ` Eric Wong
2012-12-16 4:26 ` Dave Chinner
2012-12-16 4:26 ` Dave Chinner
2012-12-16 5:17 ` Eric Wong
2012-12-16 5:17 ` Eric Wong
2013-02-22 16:45 ` Phillip Susi
2013-02-22 16:45 ` Phillip Susi
2013-02-22 21:13 ` Eric Wong
2013-02-22 21:13 ` Eric Wong
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121215223448.08272fd5@pyramind.ukuu.org.uk \
--to=alan@lxorguk.ukuu.org.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=normalperson@yhbt.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.