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[Bug translator/10228] New: Add more vma-tracking for user space symbol/backtraces


Currently stap only adds a vma-tracker for processes that have a function probe
placed on them. That means address/symbol resolution and backtraces only work
for processes for which a probe is explicitly placed. To make this work more
smoothly a couple of extensions/defaults could be added:

- If -c <target> is given a vma-tracker should be placed on the target process
(and its children?)
- If -d <process> is given a vma-tracker should be placed on that process.
- If no -c (and no -d?) option is given a vma-tracker should be added to all
running processes on the system.

This is in addition to the vma-trackers placed on processes that are explicitly
probed through function/syscall/itrace probes (and duplicate engines should be
eliminated, but the vma-tracker layer should already take care of that).

-- 
           Summary: Add more vma-tracking for user space symbol/backtraces
           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=10228

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