From: Dave Mielke <dave@mielke.cc>
To: linux-sound@vger.kernel.org
Subject: Re: Streaming disk I/O kills file buffering and makes Linux unusable
Date: Tue, 24 Aug 1999 00:48:51 +0000 [thread overview]
Message-ID: <marc-linux-sound-93545724101192@msgid-missing> (raw)
In-Reply-To: <marc-linux-sound-93541443318803@msgid-missing>
On Mon, 23 Aug 1999, Benno Senoner wrote:
>In this case I don't need raw I/O to get fast response or higher throughput,
>but only to avoid that the streaming apps do not monopolizes the buffer, which
>is very bad.
You probably don't want strict raw I/O, as there would be considerable benefit
in some sort of read-ahead buffering. What you want is an open/fcntl attribute
which would instruct the kernel that you don't intend to do a seek, in which
case it can free each buffer as soon as it has been fully read.
--
Dave Mielke | 856 Grenon Avenue | I believe that the Bible is the
Phone: 1-613-726-0014 | Ottawa, Ontario | Word of God. Please contact me
EMail: dave@mielke.cc | Canada K2B 6G3 | if you're concerned about Hell.
next prev parent reply other threads:[~1999-08-24 0:48 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-08-23 13:20 Streaming disk I/O kills file buffering and makes Linux unusable Benno Senoner
1999-08-23 17:06 ` Peter Monta
1999-08-23 17:25 ` Linus Torvalds
1999-08-23 17:42 ` Peter Monta
1999-08-23 18:06 ` Benno Senoner
1999-08-23 18:32 ` Alan Cox
1999-08-23 18:39 ` Chuck Lever
1999-08-23 19:25 ` Andrea Arcangeli
1999-08-23 20:20 ` Benno Senoner
1999-08-23 20:50 ` Benno Senoner
1999-08-23 20:51 ` Benno Senoner
1999-08-23 21:01 ` Andrea Arcangeli
1999-08-24 0:48 ` Dave Mielke [this message]
1999-08-24 7:37 ` Gerard Roudier
1999-08-24 7:56 ` Gerard Roudier
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