linux-kernel - Re: [GIT PULL] tracing/kprobes: Syntax updates, introduce perf probe

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Message-ID: <20091013062227.GA8051@elte.hu>
Date:	Tue, 13 Oct 2009 08:22:27 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Masami Hiramatsu <mhiramat@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Christoph Hellwig <hch@...radead.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ibm.com>,
	"Frank Ch . Eigler" <fche@...hat.com>,
	Li Zefan <lizf@...fujitsu.com>
Subject: Re: [GIT PULL] tracing/kprobes: Syntax updates, introduce perf
	probe


* Ingo Molnar <mingo@...e.hu> wrote:

> >  tools/perf/Makefile                 |   10 +
> >  tools/perf/builtin-probe.c          |  386 +++++++++++++++++++
> >  tools/perf/builtin.h                |    1 +
> >  tools/perf/perf.c                   |    1 +
> >  tools/perf/util/probe-finder.c      |  690 +++++++++++++++++++++++++++++++++++
> >  tools/perf/util/probe-finder.h      |   70 ++++
> >  8 files changed, 1271 insertions(+), 74 deletions(-)
> >  create mode 100644 tools/perf/builtin-probe.c
> >  create mode 100644 tools/perf/util/probe-finder.c
> >  create mode 100644 tools/perf/util/probe-finder.h
> 
> Hm, there's no x86 decoder change here - does this lot fixes the 
> instruction decoder bug i reported some time ago? That is which keeps 
> tracing/kprobes out of tip:master.

See my previous report below.

	Ingo

----- Forwarded message from Ingo Molnar <mingo@...e.hu> -----

Date: Sat, 3 Oct 2009 12:49:23 +0200
From: Ingo Molnar <mingo@...e.hu>
To: Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [GIT PULL] tracing/kprobes: kprobes fixes
Cc: LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Li Zefan <lizf@...fujitsu.com>


ok, -tip testing found this new failure:

  TEST    posttest
Error: ffffffff8106ac00:        66 0f 73 fd 04          pslldq $0x4,%xmm5
Error: objdump says 5 bytes, but insn_get_length() says 4 (attr:8000)
make[1]: *** [posttest] Error 2
make: *** [bzImage] Error 2

	Ingo

----- End forwarded message -----
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