[Bug translator/9771] New: Detecting probes classes system wide

[mjw at redhat dot com]

stap -l and stap -L are great if you know what kind of probes there are and/or
which processes have markers in them. But it is not easy to figure out the probe
classes and arguments/process names without some extra knowledge.

stap -l * is a start, but doesn't get you any further:

$ stap -l \*
begin
end
error
never

Ideally stap -l without any arguments would give you the probe classes (kernel,
module, timer, process, tapset aliases, etc) timer, and given a probe class
would give you the applicable arguments (kernel -> function, statement, etc,
module -> module names, timer -> jiffies, ms, profile, etc, process -> function,
argument, mark, etc, process.mark -> processes on system containing markers, etc.)

For processes and libraries with markers compiled in it makes sense to have a
system wide registry (directory?) where marker files can be placed describing
the process and the mark semantics (plus arguments).

-- 
           Summary: Detecting probes classes system wide
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: mjw at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=9771

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