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Re: sit-for

From: David Kastrup
Subject: Re: sit-for
Date: Wed, 02 Aug 2006 08:09:38 +0200
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

Chong Yidong <address@hidden> writes:

> David Kastrup <address@hidden> writes:
>>>> Since we have the new sit-for implementation, I have a lot of times
>>>> when Emacs just pauses in busy waiting for input.  This happens
>>>> spontaneously.  One situation where it happens frequently is when
>>>> reading news with gnus.
>>> I haven't seen this problem in my usage of gnus.
>> It is not just gnus.  And it is not easy to see: Emacs gets somewhat
>> sluggish, sometimes the cursor blinks quite less than expected, and
>> CPU usage goes up, up, up, which is of course mostly noticeable when
>> you have power management, and the fans start waking up.
> Does setting jit-lock-stealth-time to nil change anything?

Unfortunately, the behavior occured just once after I last updated
Emacs to the new timer-based stuff, and I did not debug it then since
it just made me shrug and say "same bug as before".  So the frequency
of that occurence seemingly has dropped sharply, at least.  I am
rather sure, however, that I encountered it this one time after
recompiling Emacs.  If I manage to have it happen again, I'll sic the
debugger on it, something I should have done the first time.

David Kastrup, Kriemhildstr. 15, 44793 Bochum

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