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[Bug tapsets/12338] New: The 'softirq.entry' and 'softirq.exit' probes in tapset/irq.stp need to be updated


http://sourceware.org/bugzilla/show_bug.cgi?id=12338

           Summary: The 'softirq.entry' and 'softirq.exit' probes in
                    tapset/irq.stp need to be updated
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tapsets
        AssignedTo: systemtap@sources.redhat.com
        ReportedBy: dsmith@redhat.com


The softirq tracepoints signature have been changed by the following kernel
commit:

commit f4bc6bb2d562703eafc895c37e7be20906de139d
Author: Thomas Gleixner <tglx@linutronix.de>
Date:   Tue Oct 19 15:00:13 2010 +0200

    tracing: Cleanup the convoluted softirq tracepoints

Originally: 

# stap -L 'kernel.trace("softirq_entry")'
kernel.trace("softirq_entry") $h:struct softirq_action* $vec:struct
softirq_action*
# stap -L 'kernel.trace("softirq_exit")'
kernel.trace("softirq_exit") $h:struct softirq_action* $vec:struct
softirq_action*

After the above commit:

# stap -L 'kernel.trace("softirq_entry")'
kernel.trace("softirq_entry") $vec_nr:unsigned int
# stap -L 'kernel.trace("softirq_exit")'kernel.trace("softirq_exit")
$vec_nr:unsigned int

The 'softirq.entry' and 'softirq.exit' probes in tapset/irq.stp need to be
updated.

This problem can be seen in rawhide kernel 2.6.37-0.rc6.git5.1.fc15.x86_64.

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