From: Ingo Molnar <mingo@elte.hu>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
Lai Jiangshan <laijs@cn.fujitsu.com>,
Steven Rostedt <rostedt@goodmis.org>,
Peter Zijlstra <peterz@infradead.org>,
Jiaying Zhang <jiayingz@google.com>,
Martin Bligh <mbligh@google.com>
Subject: Re: [RFC][PATCH 2/2] tracing/x86: basic implementation of syscall tracing for x86-64
Date: Fri, 13 Mar 2009 17:37:02 +0100 [thread overview]
Message-ID: <20090313163702.GA9082@elte.hu> (raw)
In-Reply-To: <20090313163207.GA3354@Krystal>
* Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> wrote:
> * Frederic Weisbecker (fweisbec@gmail.com) wrote:
>
> > Provide the ptrace hooks and arch specific syscall numbers
> > to ftrace arch indepedant syscall numbers. For now it only
> > supports 4 syscalls to provide an example.
> >
>
> Hi Frederic,
>
> I already have the equivalent TIF_KERNEL_TRACE flag in my
> LTTng tree added to every Linux architecture. You might want
> to re-use this work rather than re-doing this. I don't mind
> changing the flag name.
Yeah. Note that the TIF bits are just one part - there are other
bits needed for HAVE_FTRACE_SYSCALLS arch support.
Also, i'd eventually expect the TIF bits to be converted to a
tracehook callback, not spread it to other architectures.
Ingo
next prev parent reply other threads:[~2009-03-13 16:37 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-07 4:52 [RFC][PATCH 0/2] Syscalls tracing Frederic Weisbecker
2009-03-07 4:52 ` [RFC][PATCH 1/2] tracing/ftrace: syscall tracing infrastructure Frederic Weisbecker
2009-03-07 7:49 ` Frederic Weisbecker
2009-03-09 13:52 ` Steven Rostedt
2009-03-09 20:47 ` Frederic Weisbecker
2009-03-10 0:52 ` Steven Rostedt
2009-03-10 10:08 ` Frederic Weisbecker
2009-03-08 16:24 ` Ingo Molnar
2009-03-09 20:40 ` Frederic Weisbecker
2009-03-09 13:44 ` Steven Rostedt
2009-03-09 20:42 ` Frederic Weisbecker
2009-03-13 4:27 ` [tip:tracing/syscalls] tracing/ftrace: syscall tracing infrastructure, basics Frederic Weisbecker
2009-03-16 19:36 ` [RFC][PATCH 1/2] tracing/ftrace: syscall tracing infrastructure Masami Hiramatsu
2009-03-16 20:15 ` Frederic Weisbecker
2009-03-16 20:38 ` Masami Hiramatsu
2009-03-16 21:45 ` Mathieu Desnoyers
2009-03-16 22:18 ` Frank Ch. Eigler
2009-03-16 23:46 ` Frederic Weisbecker
2009-03-23 16:42 ` Mathieu Desnoyers
2009-03-23 16:52 ` Frank Ch. Eigler
2009-03-23 17:03 ` Mathieu Desnoyers
2009-03-17 5:24 ` Oleg Nesterov
2009-03-17 16:00 ` Mathieu Desnoyers
2009-03-19 10:34 ` Roland McGrath
2009-03-23 17:33 ` Mathieu Desnoyers
2009-03-07 4:53 ` [RFC][PATCH 2/2] tracing/x86: basic implementation of syscall tracing for x86-64 Frederic Weisbecker
2009-03-13 4:27 ` [tip:tracing/syscalls] tracing/x86: basic implementation of syscall tracing for x86 Frederic Weisbecker
2009-03-13 16:09 ` [tip:tracing/syscalls] tracing/syscalls: support for syscalls tracing on x86, fix Ingo Molnar
2009-03-13 16:32 ` [RFC][PATCH 2/2] tracing/x86: basic implementation of syscall tracing for x86-64 Mathieu Desnoyers
2009-03-13 16:37 ` Ingo Molnar [this message]
2009-03-13 16:50 ` Mathieu Desnoyers
2009-03-15 4:44 ` Ingo Molnar
2009-03-15 15:16 ` Frederic Weisbecker
2009-03-15 19:22 ` Mathieu Desnoyers
2009-03-07 12:15 ` [RFC][PATCH 0/2] Syscalls tracing Peter Zijlstra
2009-03-07 16:02 ` Frederic Weisbecker
2009-03-08 11:24 ` Frederic Weisbecker
2009-03-08 11:28 ` Frederic Weisbecker
2009-03-07 20:26 ` Frank Ch. Eigler
2009-03-07 21:53 ` Frederic Weisbecker
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