linux-kernel - [PATCH 0/5] tracing: seqfile fixes

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Date:	Fri, 19 Jun 2009 14:42:58 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>, Ingo Molnar <mingo@...e.hu>
CC:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH 0/5] tracing: seqfile fixes

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().

I fixed similar bugs in some other places. (the last patch fixes
a different seqfile bug)

[PATCH 1/5] tracing/events: don't increment @pos in s_start()
[PATCH 2/5] tracing_bprintk: don't increment @pos in t_start()
[PATCH 3/5] trace_stat: don't increment @pos in stat_seq_start()
[PATCH 4/5] ftrace: don't increment @pos in g_start()
[PATCH 5/5] tracing: reset iterator in t_start()
---
 kernel/trace/ftrace.c       |   28 +++++++++++++---------------
 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, 46 insertions(+), 60 deletions(-)



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