[Bug translator/25568] New: buildid-based process probes

[Bug translator/25568] New: buildid-based process probes

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25568

            Bug ID: 25568
           Summary: buildid-based process probes
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
          Assignee: systemtap at sourceware dot org
          Reporter: fche at redhat dot com
  Target Milestone: ---

It may be desirable to let a stap script identify userspace process probes not
by path name but by buildid:

  probe process("hexcode").function/statement(...) {  }  // as usual

... or some explicit functor for 'buildid' addressing.

The semantics would be:

  probe all processes systemwide whereever given elf binary is mapped

This would allow a single stap script to operate against a multitude of
-versions- of a userspace binary.  It could also let it operate with binaries
loaded from non-default locations, such as container-mapped filesystem mount
points.

Working with elfutils/debuginfod, systemtap should load binaries & debuginfo by
buildid just fine.

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[Bug translator/25568] buildid-based process probes

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25568

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Blocks|                            |25580


Referenced Bugs:

https://sourceware.org/bugzilla/show_bug.cgi?id=25580
[Bug 25580] lp tracker
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[Bug translator/25568] buildid-based process probes

[amerey at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25568

Aaron Merey <amerey at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
                 CC|                            |amerey at redhat dot com

--- Comment #1 from Aaron Merey <amerey at redhat dot com> ---
The runtime's task-finder will have to be modified to match all executable type
mappings against the buildids mentioned in the script.

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[Bug translator/25568] buildid-based process probes

[amerey at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=25568

Aaron Merey <amerey at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|systemtap at sourceware dot org    |amerey at redhat dot com

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