Re: Tracing Memory Grabbers

[Enrico Colombini <erix@...>]

On 16/03/2012 14.48, Luiz Henrique de Figueiredo wrote:
> That's correct for Lua 5.1 but not for 5.2 because the manual says:
>
>     When ptr is NULL, osize encodes the kind of object that Lua is allocating.
>     http://www.lua.org/manual/5.2/manual.html#lua_Alloc
>
> So you need to handle the case ptr==NULL separately if you want to track
> total memory use. Or if you're not interested in the info osize provides,
> just do
> 	osize = (ptr==NULL) ? 0 : osize;

Didn't notice that change. Thanks for pointing it out!

Does this way of measuring allocated memory give the same result as just 
asking the collector?

  total = lua_gc(L, GCCOUNT, 0) * 1024 + lua_gc(L, GCCOUNTB,0);

--
  Enrico