linux-kernel - Re: [PATCH 0/7] tracing: seqfile fixes, take 2

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Date:	Wed, 24 Jun 2009 11:03:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Liming Wang <liming.wang@...driver.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 0/7] tracing: seqfile fixes, take 2


* Li Zefan <lizf@...fujitsu.com> wrote:

> While testing syscall tracepoints proposed by Jason, I found some
> entries were missing when reading available_events.
> 
> It turned out there's bug in seqfile handling. The bug is, it's
> wrong to increment @pos in seq start().
> 
> The bug exists in some other places. I also fixed some other different
> bugs.
> 
> All the patches have been reviewed and tested.
> 
> Thanks Liming Wang for the review.
> 
> [PATCH 1/7] tracing/events: don't increment @pos in s_start()
> [PATCH 2/7] tracing_bprintk: don't increment @pos in t_start()
> [PATCH 3/7] trace_stat: don't increment @pos in seq start()
> [PATCH 4/7] tracing: reset iterator in t_start()
> [PATCH 5/7] ftrace: don't increment @pos in g_start()
> [PATCH 6/7] ftrace: don't manipulate @pos in t_start()
> [PATCH 7/7] ftrace: fix t_hash_start()
> ---
>  kernel/trace/ftrace.c       |   52 ++++++++++++++++++++++++-------------------
>  kernel/trace/trace.c        |   18 +++-----------
>  kernel/trace/trace_events.c |   28 ++++++++++++++++++-----
>  kernel/trace/trace_printk.c |   26 +++++----------------
>  kernel/trace/trace_stat.c   |    6 +----
>  5 files changed, 62 insertions(+), 68 deletions(-)

Applied to tip:tracing/urgent, thanks a lot!

	Ingo
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