From: Li Zefan <lizf@cn.fujitsu.com>
To: Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 0/5] tracing: seqfile fixes
Date: Fri, 19 Jun 2009 14:42:58 +0800 [thread overview]
Message-ID: <4A3B3372.4040608@cn.fujitsu.com> (raw)
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(-)
next reply other threads:[~2009-06-19 6:41 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-19 6:42 Li Zefan [this message]
2009-06-19 6:45 ` [PATCH 1/5] tracing/events: don't increment @pos in s_start() Li Zefan
2009-06-19 6:46 ` [PATCH 2/5] tracing_bprintk: don't increment @pos in t_start() Li Zefan
2009-06-19 9:39 ` Wang Liming
2009-06-22 0:38 ` Li Zefan
2009-06-22 2:08 ` Wang Liming
2009-06-22 3:01 ` Li Zefan
2009-06-19 6:46 ` [PATCH 3/5] trace_stat: don't increment @pos in stat_seq_start() Li Zefan
2009-06-19 6:47 ` [PATCH 4/5] ftrace: don't increment @pos in g_start() Li Zefan
2009-06-19 8:59 ` [PATCH] " Liming Wang
2009-06-19 9:45 ` Li Zefan
2009-06-22 0:45 ` Li Zefan
2009-06-22 2:42 ` Wang Liming
2009-06-22 3:15 ` Li Zefan
2009-06-22 3:08 ` Wang Liming
2009-06-19 6:48 ` [PATCH 5/5] tracing: reset iterator in t_start() Li Zefan
2009-06-23 6:48 ` Wang Liming
2009-06-23 7:19 ` Li Zefan
2009-06-23 7:19 ` Wang Liming
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