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Re: Skipped Probes for userspace constructors, Why?


"Hassan Radwan" <HassanR@avi.com> writes:

> [...]
> I have a simple script written to try and understand when the
> constructor is called for the classes in an application. [...]
> probe process("a.out").function("FooConstructor") [...]
> [...]
> $ sudo stap foo.stp -c a.out
> WARNING: Number of errors: 0, skipped probes: 195

If able, build yourself a new copy of systemtap out of the git tree,
and run your test with the "-t" (timing) flag.  You should get more
detailed counts about what skipped.  I believe there was also a bug
fixed related to the new MAXUPROBES configurable, which may have 
enabled a much smaller number of uprobes than intended.


- FChE


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