RE: [PATCH 15/17] tracing/uprobes: Add support for full argument access methods

From: Hyeoncheol Lee
Date: Thu Jan 02 2014 - 20:17:57 EST


Patches look good to me.

Signed-off-by: Hyeoncheol Lee <cheol.lee@xxxxxxx>

-----Original Message-----
From: Steven Rostedt [mailto:rostedt@xxxxxxxxxxx]
Sent: Friday, January 03, 2014 6:02 AM
To: Steven Rostedt
Cc: Namhyung Kim; Oleg Nesterov; Masami Hiramatsu; Srikar Dronamraju;
Hyeoncheol Lee; zhangwei(Jovi); Arnaldo Carvalho de Melo; Hemant Kumar;
LKML; Namhyung Kim
Subject: Re: [PATCH 15/17] tracing/uprobes: Add support for full argument
access methods

On Thu, 2 Jan 2014 15:58:27 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> On Mon, 16 Dec 2013 13:32:14 +0900
> Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
> > From: Namhyung Kim <namhyung.kim@xxxxxxx>
> >
> > Enable to fetch other types of argument for the uprobes. IOW, we
> > can access stack, memory, deref, bitfield and retval from uprobes now.
> >
> > The format for the argument types are same as kprobes (but @SYMBOL
> > type is not supported for uprobes), i.e:
> >
> > @ADDR : Fetch memory at ADDR
> > $stackN : Fetch Nth entry of stack (N >= 0)
> > $stack : Fetch stack address
> > $retval : Fetch return value
> > +|-offs(FETCHARG) : Fetch memory at FETCHARG +|- offs address
> >
> > Note that the retval only can be used with uretprobes.
> >
> > Original-patch-by: Hyeoncheol Lee <cheol.lee@xxxxxxx>
>
> Where was the original patch posted? And can we get Hyeoncheol's SOB
> for this?
>

Was this the other part of patch 11? Still should have Hyeoncheol's
signed-off-by. If you already had it on the original (before the split) then
we can add it here too, as he already signed off on the code that this was
based on.

-- Steve

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