From: Masami Hiramatsu <mhiramat@redhat.com>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>, Steven Rostedt <rostedt@goodmis.org>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
systemtap-ml <systemtap@sources.redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH -tip 3/4 V3] tracing: kprobe-tracer plugin supports arguments
Date: Fri, 27 Mar 2009 16:20:23 -0400 [thread overview]
Message-ID: <49CD3507.3080409@redhat.com> (raw)
In-Reply-To: <20090327181539.GA6005@nowhere>
Frederic Weisbecker wrote:
>>> Anyway both would be handy:
>>>
>>> rp: current ip
>>> ra: return address
>> current ip can be fetched by 'r12' on i386 ('r16' on x86-64).
>> (hmm, we'd better support %ip, %ax, etc.)
>>
>
>
> Yes, as an example, I'm currently unable to tell you
> which number is esi :)
Agreed. But I doubt that we can implement it before moving
fetch_* APIs into arch/ directory, can we?
Thank you,
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America) Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-03-27 20:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-26 22:59 [PATCH -tip 3/4 V3] tracing: kprobe-tracer plugin supports arguments Masami Hiramatsu
2009-03-27 11:44 ` Frederic Weisbecker
2009-03-27 16:12 ` Masami Hiramatsu
2009-03-27 18:15 ` Frederic Weisbecker
2009-03-27 20:12 ` [PATCH -tip 3/4 V3.1] " Masami Hiramatsu
2009-03-27 20:20 ` Masami Hiramatsu [this message]
2009-03-30 4:58 ` [PATCH -tip 3/4 V3] " Ananth N Mavinakayanahalli
2009-03-30 15:32 ` Masami Hiramatsu
2009-03-30 15:36 ` Ananth N Mavinakayanahalli
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