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Re: Tooltips GC overhead

From: Eli Zaretskii
Subject: Re: Tooltips GC overhead
Date: Sat, 08 Aug 2015 09:46:23 +0300

> From: Stefan Monnier <address@hidden>
> Cc: address@hidden,  address@hidden,  address@hidden
> Date: Fri, 07 Aug 2015 17:25:37 -0400
> >> I'd welcome a patch which uses such a "sampling watchpoint", since it
> >> would even speed up the code by removing the code that counts calls
> >> to malloc.
> > Sorry, your jokes are beyond me.
> You must have misunderstood, because that was no joke at all.  I really
> mean it: I'd be happy to see a patch which uses the same trick used by
> GDB to add a "watchpoint".

GDB uses debug registers and the debug interface that catches the
resulting signal/exception, something a well-behaving program that is
not a debugger should never do.

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