From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, Linus Torvalds <torvalds@osdl.org>,
Steven Rostedt <srostedt@redhat.com>
Subject: Re: [PATCH 2/2] ftrace: disable tracing on acpi idle calls
Date: Sat, 26 Jul 2008 14:42:30 +0200 [thread overview]
Message-ID: <20080726124230.GE20713@elte.hu> (raw)
In-Reply-To: <20080725220334.931959350@goodmis.org>
* Steven Rostedt <rostedt@goodmis.org> wrote:
> The acpi idle waits calls local_irq_save and then uses mwait to go
> into idle. The tracer gets reenabled at local_irq_save but does not
> detect that the idle allows for wake ups.
>
> This patch adds code to disable the tracing when acpi puts the CPU to
> idle.
applied to tip/tracing/urgent - thanks Steve.
Ingo
prev parent reply other threads:[~2008-07-26 12:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-25 22:00 [PATCH 0/2] ftrace minor updates Steven Rostedt
2008-07-25 22:00 ` [PATCH 1/2] ftrace: single CPU tracers use CPU clock Steven Rostedt
2008-07-26 12:40 ` Ingo Molnar
2008-07-26 13:15 ` Steven Rostedt
2008-07-26 13:21 ` Ingo Molnar
2008-07-26 15:03 ` Steven Rostedt
2008-07-26 15:26 ` Ingo Molnar
2008-07-26 18:23 ` Steven Rostedt
2008-07-25 22:00 ` [PATCH 2/2] ftrace: disable tracing on acpi idle calls Steven Rostedt
2008-07-26 12:42 ` Ingo Molnar [this message]
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