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From: Eli Zaretskii <eliz@gnu.org>
To: help-gnu-emacs@gnu.org
Subject: Re: Is it possible to profile elisp?
Date: Sun, 20 Nov 2022 22:20:55 +0200	[thread overview]
Message-ID: <83fsed4btk.fsf@gnu.org> (raw)
In-Reply-To: <2BB789D5-7DC8-4A5E-983E-A8595895A464@easesoftware.com> (message from Perry Smith on Sun, 20 Nov 2022 08:17:04 -0600)

> From: Perry Smith <pedz@easesoftware.com>
> Date: Sun, 20 Nov 2022 08:17:04 -0600
> 
> I do a grep and get some results into the *grep* buffer.  The hits happen to be in Org mode files if that matters.
> 
> I do C-X ` and it takes 5 seconds to bring up the buffer.  A next C-X ` are in the same file and are instant.  But the one that has to open a different file again takes 4 to 5 seconds.
> 
> This by itself doesn’t bother me that much.  But I’m actually chasing weird problems and I’m wondering if this is connected to it or not.
> 
> The weird problems are with lsp-mode using a package called lsp-tailwindcss.  It is suppose to pop up completion suggestions.  Every once in a VERY great while, it does.  But usually it does not.  I can pause and not enter any keys for a minute and no suggestions pop up.  I have
> 
> company-minimum-prefix-length set to 1 and company-idle-delay set to 0.0.  If I set the idle time to 0.5 and prefix length to 2, the completions pop up but I have to sit for about 2 seconds before anything pops up.
> 
> So… I’m theorizing that I’ve got something wasting time or is horribly inefficient but I have no idea how to track it down.
> 
> I’m on one of Apple’s best / latest laptops so I believe I have plenty of horsepower and the CPU stats are close to 0.

I'm not sure I understand what you are after, but Emacs has a built-in
profiler, see profiler-start.



  reply	other threads:[~2022-11-20 20:20 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-20 14:17 Is it possible to profile elisp? Perry Smith
2022-11-20 20:20 ` Eli Zaretskii [this message]
2022-11-21 11:42 ` Alessandro Bertulli

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