Re: Emacs seems to be dragging down other processes?
- Date: Thu, 7 Mar 2019 21:26:53 +0000
- From: Ken Brown <kbrown@xxxxxxxxxxx>
- Subject: Re: Emacs seems to be dragging down other processes?
On 3/7/2019 3:39 PM, David Karr wrote:
> I've recently been having general performance problems on my Win7 laptop,
> mostly realized by very slow switches to workspaces (Dexpot). I've been
> watching processes using high cpu, and I'm trying to watch for processes
> with high i/o, but I'm not as certain how to find those (I'm using Process
> Explorer). I finally discovered that when I kill my Cygwin Emacs process,
> it clears up immediately. When I restart Emacs, it's fine for a while, but
> then it eventually slows down again, and then killing it clears it up
> again. I've found other processes that are suspicious in terms of
> performance, but none of those had as much of an impact as the Emacs
> process. Curiously, when I'm actually USING Emacs, I don't notice any
> particular slowdown.
> My Emacs process mostly just sits, without very much foreground activity.
> I sometimes have pretty large file buffers, in the megabyte range.
> I vaguely remember recently seeing some messages go by on the list about
> perf problems with Cygwin Emacs. I didn't read them at the time, as I
> wasn't having an issue.
> Cygwin 3.0.1(0.338/5/3); Emacs 26.1.
This might be due to a memory leak that was recently discovered and fixed. See
http://www.cygwin.org/ml/cygwin/2019-03/msg00122.html, and try the latest