[Valgrind-users] Understanding Lackey

[Chris E. <chr...@gm...>]

Hello,

I'm using valgrind for a project but before I started writing my own
tool I wanted to understand lackey as an example.  Something I can't
figure out for certain is, in the output from lackey, is the "total
IRstatements executed" representative of the IR code before or after
instrumentation?

In lackey all that ever seem to be added to basic blocks during
instrumentation are dirty function calls, but if you run lackey with a
detailed count option and add up the different load, store, ALU, and
branch (exit?) statements executed, you still get a number far smaller
than the "total IRstmnts executed."  Is there something I'm missing?

Thanks,

 - Chris Eberz