linux-kernel - Re: [PATCH 0/2] tracing/function

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Message-ID: <20090804115851.GB29545@elte.hu>
Date:	Tue, 4 Aug 2009 13:58:51 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 0/2] tracing/function_graph fixes for 2.6.31


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> Ingo, Thomas,
> 
> Those are two fixes for the function graph tracer for .31
> 
> The first one fixes a possible race condition between a function 
> graph trace reader and ring buffer writers, leading to a mixup 
> inside an event entry, or worst.
> 
> The second one fixes some issues in the output of the function 
> graph tracer while using splice on the trace_pipe file or 
> ftrace_dump().
> 
> Both fixes should also be backported on .30 for the -stable 
> branch.
> 
> Thanks,
> Frederic.
> 
> The following changes since commit 4733fd328f14280900435d9dbae1487d110a4d56:
>   Benjamin Herrenschmidt (1):
>         mm: Remove duplicate definitions in MIPS and SH
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing.git tracing/fixes
> 
> Lai Jiangshan (2):
>       tracing: Fix invalid function_graph entry
>       tracing: Fix missing function_graph events when we splice_read from trace_pipe
> 
>  kernel/trace/trace.c                 |   10 +++++++---
>  kernel/trace/trace_functions_graph.c |   11 +++++++++--
>  2 files changed, 16 insertions(+), 5 deletions(-)

Pulled, thanks a lot Frederic!

	Ingo
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