From: Li Zefan <lizf@cn.fujitsu.com>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Masami Hiramatsu <mhiramat@redhat.com>,
Ingo Molnar <mingo@elte.hu>, LKML <linux-kernel@vger.kernel.org>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <peterz@infradead.org>,
Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
Jiaying Zhang <jiayingz@google.com>,
Martin Bligh <mbligh@google.com>, Jason Baron <jbaron@redhat.com>
Subject: Re: [PATCH 15/16] tracing: Add fields format definition for syscall events
Date: Thu, 20 Aug 2009 09:07:59 +0800 [thread overview]
Message-ID: <4A8CA1EF.6000305@cn.fujitsu.com> (raw)
In-Reply-To: <20090819173734.GG4972@nowhere>
> Yeah, I have yet to fix this, that because syscalls that have no parameters
> raise a small bug in the return value of trace_seq_printf() while printing
> their format, returning 0 as if the buffer was full and lost some bits.
>
> However, It's possible that the last patches from Li fix this, since he did
> a total/better refactoring of the format definition for syscall events.
>
> I'll check this,
I was not aware of this bug, and the bug is still there, but it's
easy to fix and I've fixed it. Will send out the patch soon.
next prev parent reply other threads:[~2009-08-20 1:09 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-11 18:48 [GIT PULL] tracing: Syscalls trace events + perf support Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 01/16] tracing: Rename set_tracer_flags()'s local variable trace_flags Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 02/16] tracing: Map syscall name to number Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 03/16] tracing: Call arch_init_ftrace_syscalls at boot Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 04/16] tracing: Add DECLARE_TRACE_WITH_CALLBACK() macro Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 05/16] tracing: Add syscall tracepoints Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 06/16] tracing: Update FTRACE_SYSCALL_MAX Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 07/16] tracing: Raw_init() bailout in trace event register fail case Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 08/16] tracing: Add ftrace_event_call void * 'data' field Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 09/16] tracing: Add trace events for each syscall entry/exit Frederic Weisbecker
2009-08-11 18:48 ` [PATCH 10/16] tracing: Add individual syscalls tracepoint id support Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 11/16] tracing: Add perf counter support for syscalls tracing Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 12/16] tracing: Add more namespace area to 'perf list' output Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 13/16] tracing: Convert x86_64 mmap and uname to use DEFINE_SYSCALL Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 14/16] tracing: Add ftrace event call parameter to its field descriptor handler Frederic Weisbecker
2009-08-11 18:49 ` [PATCH 15/16] tracing: Add fields format definition for syscall events Frederic Weisbecker
2009-08-19 17:12 ` Masami Hiramatsu
2009-08-19 17:37 ` Frederic Weisbecker
2009-08-20 1:07 ` Li Zefan [this message]
2009-08-11 18:49 ` [PATCH 16/16] tracing: Support for syscall events raw records in perfcounters Frederic Weisbecker
2009-08-12 9:11 ` [GIT PULL] tracing: Syscalls trace events + perf support Ingo Molnar
2009-08-12 11:03 ` Ingo Molnar
2009-08-12 11:14 ` Ingo Molnar
2009-08-12 14:25 ` Jason Baron
2009-08-12 14:29 ` Ingo Molnar
2009-08-12 14:37 ` Jason Baron
2009-08-12 11:33 ` Frederic Weisbecker
2009-08-12 13:59 ` Jason Baron
2009-08-12 14:30 ` Ingo Molnar
2009-08-18 0:46 ` Paul Mundt
2009-08-18 7:32 ` Ingo Molnar
2009-08-18 8:51 ` [S390] ftrace: update system call tracer support Ingo Molnar
2009-08-18 8:59 ` Martin Schwidefsky
2009-08-18 10:05 ` Ingo Molnar
2009-08-18 10:22 ` Martin Schwidefsky
2009-08-18 14:56 ` Jason Baron
2009-08-18 10:25 ` [GIT PULL] tracing: Syscalls trace events + perf support Frederic Weisbecker
2009-08-18 11:06 ` Ingo Molnar
2009-08-18 11:56 ` Paul Mundt
2009-08-12 16:33 ` Masami Hiramatsu
2009-08-12 17:02 ` Masami Hiramatsu
2009-08-12 19:13 ` [RFD] Kprobes/Kretprobes " Frederic Weisbecker
2009-08-12 20:20 ` Masami Hiramatsu
2009-08-13 8:02 ` Ingo Molnar
2009-08-12 21:09 ` Peter Zijlstra
2009-08-12 21:27 ` Masami Hiramatsu
2009-08-12 21:37 ` Frederic Weisbecker
2009-08-12 21:35 ` Frederic Weisbecker
2009-08-14 15:05 ` Masami Hiramatsu
2009-08-15 14:33 ` Ingo Molnar
2009-08-17 21:58 ` Masami Hiramatsu
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