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Re: Re: [PATCH 2/2] Support to perf to probe on SDT markers:
- From: Masami Hiramatsu <masami dot hiramatsu dot pt at hitachi dot com>
- To: Namhyung Kim <namhyung at kernel dot org>
- Cc: Hemant Kumar <hkshaw at linux dot vnet dot ibm dot com>, linux-kernel at vger dot kernel dot org, srikar at linux dot vnet dot ibm dot com, peterz at infradead dot org, oleg at redhat dot com, mingo at redhat dot com, anton at redhat dot com, systemtap at sourceware dot org
- Date: Wed, 04 Sep 2013 17:10:18 +0900
- Subject: Re: Re: [PATCH 2/2] Support to perf to probe on SDT markers:
- Authentication-results: sourceware.org; auth=none
- References: <20130903072944 dot 4793 dot 93584 dot stgit at hemant-fedora> <20130903073703 dot 4793 dot 32779 dot stgit at hemant-fedora> <8761uht6jk dot fsf at sejong dot aot dot lge dot com>
(2013/09/04 16:00), Namhyung Kim wrote:
> On Tue, 03 Sep 2013 13:07:03 +0530, Hemant Kumar wrote:
>> This patch enables perf to probe on the marker name specified on the command line.
>
> It looks like you didn't consider prelinked libraries. You need to check
> the address of .stapsdt.base section too. And obviously this patch
> ignores any argument the SDT has which I think pretty important info.
> But we can add it later once the uprobes arg fetch patches are in.
Agreed, I'd like to see the argument support afterward.
Thanks!
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@hitachi.com