[slime-devel] Re: Customizing GC messages

[Raymond Toy]

Helmut Eller wrote:
> Raymond Toy <rtoy at earthlink.net> writes:
> 
> 
>>However, for a long time, I've had GC notify function that would also
>>print out how much time (user and real) GC took.  What is the proper
>>way of modifying slimes GC hook functions?
> 
[snip]

> 
> This basically disables the SLIME's default hooks and uses
> my-hook{1,2} instead.  Testing whether swank::*emacs-connection* is
> non-nil makes sure that we can send something to Emacs.  eval-in-emacs
> sends a sexp to Emacs and evaluates it there.  Note that the symbol in
> the first position of that sexp is treated specially: it is downcased
> and the (CL) package prefix is stripped off, so that it makes more
> sense to Emacs.  

I just basically did the same thing, but it doesn't seem to get 
installed, if I put that in .swank.lisp.

But it's not really important.

> 
> You can, of course, use something other than slime-background-message.
> Especially if you use the typeout frame it might be annoying to the
> have the GC messages in that frame.

Right now it goes to the typeout frame that I always use.  It's not too 
annoying.

> 
> BTW, is there a way to get the size of the different GC generations in
> CMUCL?

Will lisp::gencgc-stats do what you want?  I don't really know what all 
of the data mean.  It was meant for someone to use if they needed or 
wanted to try tuning GC for their app.

Ray