From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] ftrace: only trace preempt off with preempt tracer
Date: Fri, 18 Jul 2008 18:57:55 +0200 [thread overview]
Message-ID: <20080718165755.GG6875@elte.hu> (raw)
In-Reply-To: <Pine.LNX.4.58.0807150952080.8218@gandalf.stny.rr.com>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> When PREEMPT_TRACER and IRQSOFF_TRACER are both configured and irqsoff
> tracer is running, the preempt_off sections might also be traced.
>
> Thanks to Andrew Morton for pointing out my mistake of spin_lock
> disabling interrupts while he was reviewing ftrace.txt. Seems that my
> example I used actually hit this bug.
applied to tip/tracing/urgent - thanks Steve.
Ingo
prev parent reply other threads:[~2008-07-18 16:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-15 13:53 Steven Rostedt
2008-07-18 16:57 ` Ingo Molnar [this message]
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