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Re: [PATCH -tip 0/4 V3] tracing: kprobe-based event tracer
- From: Andi Kleen <andi at firstfloor dot org>
- To: Masami Hiramatsu <mhiramat at redhat dot com>
- Cc: Ingo Molnar <mingo at elte dot hu>, Arnaldo Carvalho de Melo <acme at redhat dot com>, Steven Rostedt <rostedt at goodmis dot org>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Frederic Weisbecker <fweisbec at gmail dot com>, Linux Kernel Mailing List <linux-kernel at vger dot kernel dot org>, systemtap-ml <systemtap at sources dot redhat dot com>, Andrew Morton <akpm at linux-foundation dot org>, Jim Keniston <jkenisto at us dot ibm dot com>
- Date: Wed, 01 Apr 2009 22:14:54 +0200
- Subject: Re: [PATCH -tip 0/4 V3] tracing: kprobe-based event tracer
- References: <49CC08A2.5030602@redhat.com> <20090401133654.GB18677@elte.hu> <49D37584.50208@redhat.com>
Masami Hiramatsu <mhiramat@redhat.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@linux.intel.com -- Speaking for myself only.