linux-kernel - Re: [PATCH 0/2] [GIT PULL][v3.0] tracing: Add refcount for system filter and enable

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Date:	Thu, 07 Jul 2011 10:23:28 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 0/2] [GIT PULL][v3.0] tracing: Add refcount for system
 filter and enable

On Thu, 2011-07-07 at 16:15 +0200, Ingo Molnar wrote:
> * Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > 
> > Ingo,
> > 
> > Please pull the latest tip/perf/urgent tree, which can be found at:
> > 
> >   git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.git
> > tip/perf/urgent
> > 
> > Head SHA1: 57f124ca21d216fca3ba3995235c15855f9b9980
> > 
> > 
> > Steven Rostedt (2):
> >       tracing: Add ref_count to event systems for freeing
> >       tracing: Have enable system events use the subsystem_open routine
> > 
> > ----
> >  kernel/trace/trace.h               |    1 +
> >  kernel/trace/trace_events.c        |  113 ++++++++++++++++++++++++++++++------
> >  kernel/trace/trace_events_filter.c |    6 ++
> >  3 files changed, 102 insertions(+), 18 deletions(-)
> 
> Hm, i'm wondering, when was this bug introduced?
> 

It was introduced a while ago, I believe by this commit:

commit dc82ec98a4727fd51b77e92d05fe7d2db3dcc11c
Date:   Thu Jul 9 16:22:22 2009 +0800
tracing/filter: Remove empty subsystem and its directory


-- Steve


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