linux-kernel - Re: [PATCH v15 2/4] trace/objtrace: Get the value of the object

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Message-ID: <20220928104017.73cbe8eb@gandalf.local.home>
Date:   Wed, 28 Sep 2022 10:40:17 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Jeff Xie <xiehuan09@...il.com>
Cc:     mingo@...hat.com, mhiramat@...nel.org, zanussi@...nel.org,
        linux-kernel@...r.kernel.org, chensong_2000@....cn
Subject: Re: [PATCH v15 2/4] trace/objtrace: Get the value of the object

On Wed, 28 Sep 2022 22:15:24 +0800
Jeff Xie <xiehuan09@...il.com> wrote:

> > > > > This code is available in the kprobe code that eprobes also uses:
> > > > >
> > > > > See process_fetch_insn() in kernel/trace/trace_eprobe.c
> > > > >
> > > > > and the parsing of the string is in kernel/trace/trace_probe.c:
> > > > >
> > > > >   parse_probe_arg()  
> 
> I guess I won't be able to finish it until the next merge window, I've
> been trying it for a few days

Yeah, the merge window is expected to open next week, so it likely will not
be able to make that. But hopefully the next window it will!

> In my spare time recently, with no progress, it looks like it's really
> more complicated to implement ;-)

Yeah, I was playing with it too. It is complicated, but I do not see any
show stoppers from getting it working.

-- Steve