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Re: [PATCH -tip v8 0/7] tracing: kprobe-based event tracer and x86 instruction decoder
- From: Christoph Hellwig <hch at infradead dot org>
- To: Masami Hiramatsu <mhiramat at redhat dot com>
- Cc: Ingo Molnar <mingo at elte dot hu>, Steven Rostedt <rostedt at goodmis dot org>, lkml <linux-kernel at vger dot kernel dot org>, Avi Kivity <avi at redhat dot com>, "H. Peter Anvin" <hpa at zytor dot com>, Frederic Weisbecker <fweisbec at gmail dot com>, Ananth N Mavinakayanahalli <ananth at in dot ibm dot com>, Andrew Morton <akpm at linux-foundation dot org>, Andi Kleen <andi at firstfloor dot org>, Jim Keniston <jkenisto at us dot ibm dot com>, "K.Prasad" <prasad at linux dot vnet dot ibm dot com>, Przemys??awPawe??czyk <przemyslaw at pawelczyk dot it>, Vegard Nossum <vegard dot nossum at gmail dot com>, Christoph Hellwig <hch at infradead dot org>, "Frank Ch. Eigler" <fche at redhat dot com>, Tom Zanussi <tzanussi at gmail dot com>, systemtap <systemtap at sources dot redhat dot com>, kvm <kvm at vger dot kernel dot org>, DLE <dle-develop at lists dot sourceforge dot net>
- Date: Sat, 30 May 2009 04:05:03 -0400
- Subject: Re: [PATCH -tip v8 0/7] tracing: kprobe-based event tracer and x86 instruction decoder
- References: <20090529000326.17532.70868.stgit@localhost.localdomain>
Small question to start with: What's your (or Hitachi s/Red Hat's) use case
for this? It's obviously really cool technology, but I fear without
some good user space side to make it easy to use it will most likely
bit-rot which would be sad.