From: Ingo Molnar <mingo@elte.hu>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] tracing/function-graph-tracer: append the tracing_graph_flag
Date: Mon, 8 Dec 2008 15:15:47 +0100 [thread overview]
Message-ID: <20081208141547.GC14856@elte.hu> (raw)
In-Reply-To: <4939E6DD.8020506@gmail.com>
* Frederic Weisbecker <fweisbec@gmail.com> wrote:
> Impact: Provide a way to pause the function graph tracer
>
> As suggested by Steven Rostedt, the previous patch that prevented from
> spinlock function tracing shouldn't use the raw_spinlock to fix it.
> It's much better to follow lockdep with normal spinlock, so this patch
> adds a new flag for each task to make the function graph tracer able to
> be paused. We also can send an ftrace_printk whithout worrying of the
> irrelevant traced spinlock during insertion.
>
> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
applied to tip/tracing/function-graph-tracer, thanks Frederic!
Ingo
prev parent reply other threads:[~2008-12-08 14:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-06 2:43 [PATCH 3/3] tracing/function-graph-tracer: append the tracing_graph_flag Frederic Weisbecker
2008-12-08 14:15 ` Ingo Molnar [this message]
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