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SubjectRe: [GIT PULL] tracing/kprobes: Syntax updates, introduce perf probe
Ingo Molnar wrote:
>
> * Ingo Molnar <mingo@elte.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@elte.hu> -----
>
> Date: Sat, 3 Oct 2009 12:49:23 +0200
> From: Ingo Molnar <mingo@elte.hu>
> To: Frederic Weisbecker <fweisbec@gmail.com>
> Subject: Re: [GIT PULL] tracing/kprobes: kprobes fixes
> Cc: LKML <linux-kernel@vger.kernel.org>,
> Steven Rostedt <rostedt@goodmis.org>,
> Li Zefan <lizf@cn.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
>

Hmm, thank you for reporting, I've missed some group opcode...

Thank you again,

--
Masami Hiramatsu

Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division

e-mail: mhiramat@redhat.com



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