[Bug testsuite/34022] New: make installcheck should collect dmesg as it goes

[fche at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=34022

            Bug ID: 34022
           Summary: make installcheck should collect dmesg as it goes
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: systemtap at sourceware dot org
          Reporter: fche at redhat dot com
  Target Milestone: ---

Some stap tests trigger kernel-side messages, sometimes lockdep or worse
warnings.  The dejagnu system has no way of collecting these somewhere
well-preserved.

We should experiment with something like

# dmesg -W >> systemtap.log &

in the testsuite Makefile or perhaps an .exp file.  The idea would be to grab
the kernel messages, spatially and temporally close to the dejagnu logging
output already being collected.  It Might be necessary to somehow defeat any
dejagnu .log file buffering to get more perfect alignment.

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