Re: Make emacs-eww render asynchronously

[Eli Zaretskii]

> From: Vladimir Sedach <vas@oneofus.la>
> Date: Tue, 19 Mar 2019 11:10:32 -0700
> Cc: help-gnu-emacs@gnu.org
> 
> I find that profiler.el is not very useful for discovering things
> that cause lag and latency.

I can only understand that claim if in your case the slowdown/lagging
is due to redisplay, which is written almost entirely in C, and
profiler.el sees it as just one function.  Otherwise, profiler.el is
generally a very useful tool for spotting hot spots and bottlenecks,
IME.