* Hemant Kumar Shaw <hks...@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
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