From: Keith Owens <kaos@ocs.com.au>
To: Matt Mackall <mpm@selenic.com>
Cc: Jeff Moyer <jmoyer@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: [patch] teach netconsole how to do syslog
Date: Sat, 26 Jun 2004 12:26:46 +1000 [thread overview]
Message-ID: <25929.1088216806@ocs3.ocs.com.au> (raw)
In-Reply-To: Your message of "Fri, 25 Jun 2004 14:11:01 EST." <20040625191101.GD25826@waste.org>
On Fri, 25 Jun 2004 14:11:01 -0500,
Matt Mackall <mpm@selenic.com> wrote:
>Yep, we get one UDP packet per printk currently, which works for most
>things, but not everything. This could be changed to a buffered
>approach, but that breaks one of my favorite debugging techniques -
>adding an alphabet soup of single-character printks to trace tricky
>call paths.
>
>So we could add a __printk that doesn't flush to outputs for stuff
>like the above, or just live with it.
Other way round. Keep printk as is and use a buffered approach for
printk over netconsole. netconsole gets complete lines which is what
you want 99.9% of the time. Add __printk or printk_unbuffered for the
.1% of debugging output that really wants unbuffered output.
next prev parent reply other threads:[~2004-06-26 2:27 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-06-25 17:57 [patch] teach netconsole how to do syslog Jeff Moyer
2004-06-25 18:39 ` Matt Mackall
2004-06-25 18:47 ` Jeff Moyer
2004-06-25 19:11 ` Matt Mackall
2004-06-26 2:26 ` Keith Owens [this message]
2004-06-26 3:48 ` Matt Mackall
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