linux-kernel - Re: [PATCH -tip 0/4 V3] tracing: kprobe-based event tracer

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Message-ID: <873acsm8qp.fsf@basil.nowhere.org>
Date:	Wed, 01 Apr 2009 22:14:54 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	systemtap-ml <systemtap@...rces.redhat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jim Keniston <jkenisto@...ibm.com>
Subject: Re: [PATCH -tip 0/4 V3] tracing: kprobe-based event tracer

Masami Hiramatsu <mhiramat@...hat.com> writes:
>
> I agreed. Fortunately, Jim Keniston and I wrote an x86 instruction
> decoder :-) which has been made originally for uprobe andd kprobes
> jump-optimizer.
>
> https://www.redhat.com/archives/utrace-devel/2009-March/msg00031.html

An alternative would be to adapt the x86 interpreter in KVM.
I thought for some time that that one should be available in 
a more generic form in a library.

-Andi

-- 
ak@...ux.intel.com -- Speaking for myself only.
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