Re: Show number of padding bytes in data structures

[Frank Winklmeier <frank dot winklmeier at cern dot ch>]

Hi Andi,

perfect! This is exactly what I was looking for.

Thanks a lot,
Frank



Andi Kleen wrote:
> Daniel Jacobowitz <drow@false.org> writes:
>
> > On Wed, May 02, 2007 at 06:21:15PM +0200, Frank Winklmeier wrote:
> > > thanks for your reply. I was hoping for a more efficient way for a large  
> > > number of classes and structs. Ideally, I would like to compare the number of 
> > > padding bytes for a library compiled in 32 and 64 bit and see how many bytes 
> > > got wasted for each data structure due to the different memory alignment.
> > You could write such a thing - the information is all there - but I am
> > not aware of any pre-existing tool.
>
> Google for "pahole".
>
> -Andi