Subject: Re: [ANNOUNCE] New utility: 'trace'
From: Peter Zijlstra <peterz@infradead.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, Darren Hart <dvhart@linux.intel.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        LKML <linux-kernel@vger.kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Steven Rostedt <rostedt@goodmis.org>,
        Arjan van de Ven <arjan@infradead.org>,
        Arnaldo Carvalho de Melo <acme@redhat.com>,
        Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
        Tom Zanussi <tzanussi@gmail.com>,
        Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
        Li Zefan <lizf@cn.fujitsu.com>, Jason Baron <jbaron@redhat.com>,
        "David S. Miller" <davem@davemloft.net>,
        Christoph Hellwig <hch@lst.de>, Pekka Enberg <penberg@kernel.org>,
        Lai Jiangshan <laijs@cn.fujitsu.com>,
        Eric Dumazet <eric.dumazet@gmail.com>
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Date: Wed, 17 Nov 2010 14:53:49 +0100
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On Wed, 2010-11-17 at 14:43 +0100, Frederic Weisbecker wrote:
> 
> > Yes, trace_printk() is a pure debug interface, solely meant for the edit
> > + reboot cycle.
> 
> So why prevent from making it even more handy?
> 
> 
> > If you want anything more than that we've got tracepoints. The rule up
> > until now has been to never merge a trace_printk() user.
> 
> Sure, that doesn't change the core idea of trace_prink(): none of them must
> be merged. That new event interface would just make private uses of trace_printk()
> more convenient. 

I don't get it, if you don't want it, why put it there in the first
place?

I've never found myself thinking, oh damn, I didn't want to see that
one!, only damn, I should have added more :-)
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