Re: High CPU load after pressing arbitrary key (mostly in C mode)

[Michal Sojka]

On 08/18/2011 01:59 PM, suvayu ali wrote:
> On Wed, Aug 17, 2011 at 5:56 PM, Michal Sojka
> <sojka@os.inf.tu-dresden.de>  wrote:
> > I workaround this by exiting emacs and starting it again. Is there any
> > way how to debug such problems. For example tracing all functions that
> > are called when a key is pressed?
> My lisp know-how is not that great. However AFAIU, you can toggle debug on
> quit and debug on error. Then when the slow down happens, press any
> key and as the CPU load goes up hit quit (C-g). If that triggers the
> debugger you could get some hints from there.
Thanks for reply. I have tried this, but the backtrace was almost empty every 
time. It seems that C-g was processed only after the previous keys, which 
caused the load, were processed :-(

-Michal