From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: linux-sound@vger.kernel.org
Subject: Re: New scheduling latencies during audio playing + heavy disk I/O on various kernels
Date: Thu, 17 Jun 1999 22:13:41 +0000 [thread overview]
Message-ID: <marc-linux-sound-92965850729139@msgid-missing> (raw)
In-Reply-To: <marc-linux-sound-92948447502258@msgid-missing>
> Alan, do you know if MIDI I/O or serial I/O suffer of high scheduling
> latencies in a similar manner like audio I/O when heavy disk I/O is performed ?
I would expect them to show similar latencies to the app in such cases when
heavy disk I/O occured
> what if the note is read from a MIDI interface connected to a standard serial
> port ? ( are there some disadvantages over the soundcard's own MIDI port ?)
You would want to set the low latency flags on the serial port. The serial
code by default does processing 100 times a second in batches
Alan
next prev parent reply other threads:[~1999-06-17 22:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-06-15 21:52 New scheduling latencies during audio playing + heavy disk I/O on various kernels Benno Senoner
1999-06-15 23:01 ` New scheduling latencies during audio playing + heavy disk I/O Andrea Arcangeli
1999-06-17 22:13 ` Alan Cox [this message]
1999-06-17 23:03 ` New scheduling latencies during audio playing + heavy disk I/O on various kernels Benno Senoner
1999-06-18 10:00 ` Pavel Machek
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