Re: [Valgrind-users] Valgrind to map all memory access?

[Eliot M. <mo...@cs...>]

You can get a trace of memory accesses from lackey. You would need to process it down a bit if all you want is counts and if you want to sort it by location, but it would be reasonably easy to do that.
Eliot Moss 

On October 30, 2014 1:36:14 PM EDT, David Goldsmith <wi...@ho...> wrote:
>Hi,
>is there something in the Valgrind tools that will give me some kind
>of map of all memory accesses?  I have a chunk of memory and I want to
>know what parts of it are read from, which are written to, and which
>are never touched at all.  Cachegrind seems to almost do this, it
>takes counts of when memory read/write occurs but in addition to the
>count I also need to know the exact location that it is accessing.
>Does this functionality exist somewhere in the toolset and I just
>can't find it?
>Thanks!
>
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