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Re: Writing tapset functions for multiple versions
> > A global integer instead of the string comparison could be set if you
> > are worried about the overhead. In the example above, tid() could be
> > saved in the probe alias body as a private global which would be sufficient
> > for identifying the desired function.
>
> I'm not quite sure how saving tid() in a private global would work if
> you are probing more than one thread at a time. Or did I misunderstand
> your idea and your global is an array? If the private global is an
> array, now we've got 2 private global arrays (1 for version1.stp and 1
> for version2.stp).
A global scalar should suffice in this case. All we want is for the function
f in version1.stp to be called when version1/process is executed and likewise
for version2. The probe alias body in the above example would update the saved
tid() every time it's hit.
>
> --
> David Smith
> dsmith@redhat.com
> Red Hat
> http://www.redhat.com
> 256.217.0141 (direct)
> 256.837.0057 (fax)
>