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From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>, Greg KH <gregkh@suse.de>,
	linux-kernel@vger.kernel.org,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Theodore Tso <tytso@mit.edu>,
	Arjan van de Ven <arjan@infradead.org>,
	Lin Ming <ming.m.lin@intel.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RFC][PATCH 1/5] [PATCH 1/5] events: Add EVENT_FS the event filesystem
Date: Wed, 17 Nov 2010 12:46:52 -0500	[thread overview]
Message-ID: <20101117174652.GC13717@Krystal> (raw)
In-Reply-To: <1289996753.30543.35.camel@gandalf.stny.rr.com>

* Steven Rostedt (rostedt@goodmis.org) wrote:
[...]
> Are these events now going to be labeled as stable?  Is every tracepoint
> we have, much have the same data?  Linus specifically said at Kernel
> Summit that he wants absolutely NO modules to have a stable tracepoint.

I'd like to bring up the point of KVM tracepoints here. KVM can be configured as
a module, and may clearly contain tracepoints that we'd like to be stable.

My thought is that what we really want to enforce is "no stable tracepoints in
drivers" rather than in "modules", but I might be wrong.

Thoughts ?

Mathieu

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com

  parent reply	other threads:[~2010-11-17 17:46 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-17  0:53 [RFC][PATCH 0/5] tracing/events: stable tracepoints Steven Rostedt
2010-11-17  0:53 ` [RFC][PATCH 1/5] [PATCH 1/5] events: Add EVENT_FS the event filesystem Steven Rostedt
2010-11-17  3:32   ` Greg KH
2010-11-17 10:39     ` Ingo Molnar
2010-11-17 12:25       ` Steven Rostedt
2010-11-17 15:03         ` Ingo Molnar
2010-11-17 15:16           ` Peter Zijlstra
2010-11-17 15:16           ` Steven Rostedt
2010-11-17 15:35             ` Peter Zijlstra
2010-11-17 18:42           ` Ted Ts'o
2010-11-17 15:16         ` Peter Zijlstra
2010-11-23 21:29           ` Steven Rostedt
2010-11-17 17:46         ` Mathieu Desnoyers [this message]
2010-11-17 17:52           ` Steven Rostedt
2010-11-17 18:12             ` Mathieu Desnoyers
2010-11-18  9:42               ` Avi Kivity
2010-11-17 23:48             ` Ted Ts'o
2010-11-18 13:05               ` Mathieu Desnoyers
2010-11-17 12:16     ` Steven Rostedt
2010-11-17  0:53 ` [RFC][PATCH 2/5] [PATCH 2/5] tracing/events: Add code to (un)register stable events Steven Rostedt
2010-11-17  0:54 ` [RFC][PATCH 3/5] [PATCH 3/5] tracing/events: Add infrastructure to show stable event formats Steven Rostedt
2010-11-17  0:54 ` [RFC][PATCH 4/5] [PATCH 4/5] tracing/events: Add stable event sched_switch Steven Rostedt
2010-11-17  0:54 ` [RFC][PATCH 5/5] [PATCH 5/5] tracing/events: Add sched_migrate_task stable event Steven Rostedt
2010-11-17 20:14 ` [RFC][PATCH 0/5] tracing/events: stable tracepoints Mathieu Desnoyers

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