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Date: Sat, 20 Sep 2008 10:10:49 +0200
From: Olaf Dabrunz <od@suse.de>
To: Martin Bligh <mbligh@google.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Thomas Gleixner <tglx@linutronix.de>,
       Mathieu Desnoyers <compudj@krystal.dyndns.org>,
       Steven Rostedt <rostedt@goodmis.org>,
       "od Frank Ch. Eigler" <fche@redhat.com>
Subject: Re: Unified tracing buffer
Message-ID: <20080920081049.GC4491@suse.de>
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On 19-Sep-08, Martin Bligh wrote:
> >> Sorry, probably lots of implicit assumptions in there that I forgot to explain
> >
> > Ids for event types. Either allocated dynamically, if the tracer needs
> > new ids on each use, or statically assigned for others (like my fctrace
> > or Steven's ftrace, I believe). Should we have a reserved range / registry
> > for static allocation, maybe something like a very simple version of
> > devices.txt?
> 
> Sure, but it's per-tracer, so hopefully won't be a big problem (eg fctrace
> would have a different event-id namespace from blktrace)

Ah, that is right. We can distinguish them.

-- 
Olaf Dabrunz (od/odabrunz), SUSE Linux Products GmbH, Nürnberg