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From: Ingo Molnar <mingo@kernel.org>
To: Hemant Kumar Shaw <hkshaw@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com,
	peterz@infradead.org, oleg@redhat.com, mingo@redhat.com,
	anton@redhat.com, systemtap@sourceware.org,
	masami.hiramatsu.pt@hitachi.com
Subject: Re: [RFC PATCH 0/2] Perf support to SDT markers
Date: Tue, 3 Sep 2013 10:25:03 +0200	[thread overview]
Message-ID: <20130903082503.GA20732@gmail.com> (raw)
In-Reply-To: <20130903072944.4793.93584.stgit@hemant-fedora>


* Hemant Kumar Shaw <hkshaw@linux.vnet.ibm.com> wrote:

> This series adds support to perf to list and probe into the SDT markers.
> The first patch implements listing of all the SDT markers present in
> the ELFs (executables or libraries). The SDT markers are present in the
> .note.stapsdt section of the elf. That section can be traversed to list
> all the markers. Recognition of markers follows the SystemTap approach.
> 
> The second patch will allow perf to probe into these markers. This is
> done by writing the marker name and its offset into the
> uprobe_events file in the tracing directory.
> Then, perf tools can be used to analyze perf.data file.

Please provide a better high level description that explains the history 
and scope of SDT markers, how SDT markers get into binaries, how they can 
be used for probing, a real-life usage example that shows something 
interesting not possible via other ways, etc.

Thanks,

	Ingo

  parent reply	other threads:[~2013-09-03  8:25 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-09-03  7:36 [RFC PATCH 0/2] Perf support to SDT markers Hemant Kumar Shaw
2013-09-03  7:36 ` [PATCH 1/2] SDT markers listing by perf Hemant Kumar
2013-09-03  8:19   ` Hemant
2013-09-04  6:43     ` Namhyung Kim
2013-09-04 17:40       ` Hemant
2013-09-04  6:42   ` Namhyung Kim
2013-09-04  8:01     ` Masami Hiramatsu
2013-09-04 17:58       ` Hemant
2013-09-15 11:28       ` Hemant
2013-09-25  4:37         ` Masami Hiramatsu
2013-09-25  6:03           ` Hemant
2013-09-25  8:45             ` Masami Hiramatsu
2013-09-04 17:37     ` Hemant
2013-09-06  6:37       ` Namhyung Kim
2013-09-06  8:41         ` Hemant
2013-09-04  7:21   ` Masami Hiramatsu
2013-09-04 17:52     ` Hemant
2013-09-03  7:37 ` [PATCH 2/2] Support to perf to probe on SDT markers: Hemant Kumar
2013-09-03  9:14   ` Masami Hiramatsu
2013-09-04  7:00   ` Namhyung Kim
2013-09-04  8:10     ` Masami Hiramatsu
2013-09-04 18:00       ` Hemant
2013-09-04 17:50     ` Hemant
2013-09-03  8:25 ` Ingo Molnar [this message]
2013-09-03  9:17   ` Re: [RFC PATCH 0/2] Perf support to SDT markers Masami Hiramatsu
2013-09-03 13:23     ` Hemant
2013-09-03 14:21       ` Ingo Molnar
2013-09-03 15:11         ` Mark Wielaard
2013-09-03 19:24           ` Ingo Molnar
2013-09-03 15:24         ` Hemant
2013-09-04  6:49       ` Namhyung Kim
2013-09-04  8:22         ` Masami Hiramatsu
2013-09-04  8:25         ` Mark Wielaard
2013-09-04  8:39           ` Masami Hiramatsu
2013-09-04 18:08             ` Hemant
2013-09-05  4:59               ` Masami Hiramatsu
2013-09-04 18:12           ` Hemant
2013-09-04 18:52             ` Mark Wielaard
2013-09-04 20:39               ` Hemant
2013-09-04 17:45         ` Hemant
2013-09-04  6:08 ` Namhyung Kim
2013-09-04 17:08   ` Hemant
2013-09-04 23:41 ` Andi Kleen

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