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From: "Édouard Debry" <edouard.debry@gmail.com>
To: Andrea Corallo <akrl@sdf.org>
Cc: 45751@debbugs.gnu.org
Subject: bug#45751: [feature/native-comp] emacs keeps running 100% of CPU
Date: Mon, 11 Jan 2021 12:23:54 +0100	[thread overview]
Message-ID: <87turnyawl.fsf@gmail.com> (raw)
In-Reply-To: <xjfturng4m2.fsf@sdf.org>


On lun., janv. 11 2021, Andrea Corallo wrote:
> Édouard Debry <edouard.debry@gmail.com> writes:
>
>> On lun., janv. 11 2021, Édouard Debry wrote:
>>> On dim., janv. 10 2021, Andrea Corallo wrote:
>>>> Édouard Debry <edouard.debry@gmail.com> writes:
>>>>
>>>>> I noticed that when launching emacs on linux (debian 
>>>>> buster),
>>>>> it keeps on running 100% of the CPU and seems to gradually 
>>>>> eat all
>>>>> memory, approximately 1-2% every minute.
>>>>>
>>>>> It seems related to native compiling. In the
>>>>> *Async-native-compile-log* I read :
>>>>>
>>>>> <=============================>
>>>>> Compiling
>>>>> /home/edouard/.emacs.d/elpa/color-theme-sanityinc-solarized-20200805.603/color-theme-sanityinc-solarized.el...
>>>>
>>>> I see a similar issue with sanityinc-tomorrow.el, the 
>>>> compilation
>>>> is way
>>>> slower than any other one but it completes eventually.  I 
>>>> guess is
>>>> the
>>>> same issue you see and with sufficient RAM also 
>>>> sanityinc-solarized
>>>> should complete.
>>>>
>>>> In case of of sanityinc-tomorrow I think is because of
>>>> `color-theme-sanityinc-tomorrow'.  This is a single function 
>>>> that
>>>> after
>>>> macro expansion becomes enormous.
>>>>
>>>> We need to make the compiler robust against these corner 
>>>> cases,
>>>> I'll
>>>> have a look this week into adding some logic for that.
>>>>
>>>> Thanks
>>>>
>>>>   Andrea
>>>
>>> I have waited for approximately one hour and until linux 
>>> became
>>> totally unresponsive, I
>>> had to reboot.
>>>
>>> I am not 100% sure it is because of emacs compiling the color 
>>> theme
>>> package and eating
>>> all memory,
>>> but I never had such a crash on linux since I own this laptop 
>>> and I
>>> had exactly the same
>>> crash on
>>> windows 10 with emacs native-comp eating all memory.
>>>
>>> So most probably, my previous bug is related to that. I could 
>>> try
>>> another theme and see
>>> if this still happens.
>>>
>>> Regards
>>
>> Also, is there a way to prevent emacs native-comp to compile 
>> some
>> packages, some kind
>> of blacklist. I would prefer at the moment because I am used to 
>> this
>> color theme.
>
> Yes, `comp-deferred-compilation-deny-list'.
>

Thanks ! In fact I just discovered this settings as you answered 
me and

(require 'comp)
(setq comp-deferred-compilation-deny-list '("color-theme-*"))

in my init file does the job.

>> Do you think there may be a noticeable difference on emacs's
>> performance between a
>> color theme natively compiled (*eln) or just byte compiled 
>> (*elc)
>
> I don't think so.
>
>   Andrea






  reply	other threads:[~2021-01-11 11:23 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-09 23:44 bug#45751: [feature/native-comp] emacs keeps running 100% of CPU Édouard Debry
2021-01-10 20:14 ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-10 23:05   ` Édouard Debry
2021-01-10 23:10     ` Édouard Debry
2021-01-11 10:17       ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-11 11:23         ` Édouard Debry [this message]
2021-01-11 10:15     ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-11 11:25       ` Édouard Debry
2021-01-11 14:48         ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-12 10:00           ` edouard debry
2021-01-12 10:56             ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-11  3:25   ` Eli Zaretskii
2021-01-11  8:02     ` Édouard Debry
2021-01-11  8:10       ` Édouard Debry
2021-01-11 10:25     ` Andrea Corallo via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-19 21:04 ` akrl--- via Bug reports for GNU Emacs, the Swiss army knife of text editors
2021-01-28  8:01   ` akrl--- via Bug reports for GNU Emacs, the Swiss army knife of text editors

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