From: Masami Hiramatsu <mhiramat@redhat.com>
To: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Frederic Weisbecker <fweisbec@gmail.com>,
lkml <linux-kernel@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Jim Keniston <jkenisto@us.ibm.com>,
Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
Christoph Hellwig <hch@infradead.org>,
"Frank Ch. Eigler" <fche@redhat.com>,
Jason Baron <jbaron@redhat.com>,
"K.Prasad" <prasad@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
systemtap <systemtap@sources.redhat.com>,
DLE <dle-develop@lists.sourceforge.net>
Subject: Re: [PATCH -tip 0/8] perf-probe updates
Date: Fri, 11 Dec 2009 16:15:30 -0500 [thread overview]
Message-ID: <4B22B672.9060402@redhat.com> (raw)
In-Reply-To: <20091211205141.GA1949@ghostprotocols.net>
Arnaldo Carvalho de Melo wrote:
> Em Wed, Dec 09, 2009 at 04:41:39PM -0500, Masami Hiramatsu escreveu:
>> Masami Hiramatsu wrote:
>>>> Here the failure was because the symbol does not exist.
>>>
>>> Yeah, so that's what I'm expecting to be implemented with below item :-)
>>>
>>> - Symbol search by libelf/kallsyms
>>>
>>> I guess it will be done by using symbol.c.
>>> (Actually, current
>>
>> Oops, I might miss something, forgot it.
>> actually, current perf probe doesn't decode kallsyms/elf, it just depends on
>> kprobe-tracer. And kprobe-tracer will return -EINVAL not only if the symbol
>> was not found, but also other reasons.
>>
>> So, if we want to show below message, we need to decode elf or kallsyms.
>
> Should be easy now with my latest patch :-)
Thanks! that's looks very useful for me!
--
Masami Hiramatsu
Software Engineer
Hitachi Computer Products (America), Inc.
Software Solutions Division
e-mail: mhiramat@redhat.com
next prev parent reply other threads:[~2009-12-11 21:16 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-08 22:02 [PATCH -tip 0/8] perf-probe updates Masami Hiramatsu
2009-12-08 22:02 ` [PATCH -tip 1/8] perf probe: Change event list format Masami Hiramatsu
2009-12-09 7:24 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:02 ` [PATCH -tip 2/8] perf probe: Change probe-added message more user-friendly Masami Hiramatsu
2009-12-09 7:25 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:02 ` [PATCH -tip 3/8] perf probe: Fix add-probe command syntax without --add option Masami Hiramatsu
2009-12-09 7:25 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:03 ` [PATCH -tip 4/8] perf probe: Remove event suffix number _0 Masami Hiramatsu
2009-12-09 7:25 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:03 ` [PATCH -tip 5/8] perf probe: Support vmlinux on cwd by default Masami Hiramatsu
2009-12-09 7:25 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:03 ` [PATCH -tip 6/8] trace-kprobe: Support delete probe syntax Masami Hiramatsu
2009-12-09 7:26 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:03 ` [PATCH -tip 7/8] perf probe: Support --del option Masami Hiramatsu
2009-12-09 7:26 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-08 22:03 ` [PATCH -tip 8/8] perf probe: Update perf-probe document Masami Hiramatsu
2009-12-09 7:26 ` [tip:perf/urgent] " tip-bot for Masami Hiramatsu
2009-12-09 7:22 ` [PATCH -tip 0/8] perf-probe updates Ingo Molnar
2009-12-09 8:43 ` Ingo Molnar
2009-12-09 17:36 ` Masami Hiramatsu
2009-12-09 21:41 ` Masami Hiramatsu
2009-12-11 20:51 ` Arnaldo Carvalho de Melo
2009-12-11 21:15 ` Masami Hiramatsu [this message]
2009-12-11 21:29 ` Arnaldo Carvalho de Melo
-- strict thread matches above, loose matches on Subject: below --
2010-01-05 22:46 Masami Hiramatsu
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