I am using callgrind on Linux. I get an error when using callgrind_control and 
I cannot find out where it's coming from.

$ valgrind –version

valgrind-3.13.0

$ callgrind_control --version

callgrind_control-3.13.0

Thank you for stating the versions!


Callgrind is working fine but when using callgrind_control, I have the 
following error:

$ callgrind_control –i off

error size shared memory file vgdb-pipe-shared-mem-vgdb-...

expecting size 40 (64bits) or 32 (32bits) got 48.

OK.



Indeed the  vgdb-pipe-shared-mem file size is 48B. And indeed reading the code, 
it's expecting 40B. Would you have any idea of what'g going wrong here?

There is some disagreement about sizeof() some type or struct.
Which compiler and version was used to build callgrind and callgrind_control?

What is the CPU hardware architecture of the host (where callgrind_control
is running: "$ uname -m -p -i") and the target (the execution being
measured: "$ file ./my_app")?





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