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bug#22305: 24.5; permanent 100% CPU load for no apparent reason
From: |
Roland Winkler |
Subject: |
bug#22305: 24.5; permanent 100% CPU load for no apparent reason |
Date: |
Mon, 4 Jan 2016 11:47:44 -0600 |
On Mon Jan 4 2016 Eli Zaretskii wrote:
> Not necessarily. AFAIR, 'top' shows the CPU usage of each program
> in terms of processor execution units. IOW, 100% means Emacs is
> pegging a single execution unit.
Sure. My point is that normally `top' says that my emacs session
does not take more than 2 or 3% CPU load. Yet suddenly this goes up
to 100% and the fan starts running loudly, too.
> How many execution units (cores) do you have on that system?
`lshw' says
Intel(R) Core(TM) i7-5600U CPU @ 2.60GHz
which, I believe, comes with four cores.
> When this happens, attach a debugger and show us the backtrace,
> including the Lisp backtrace.
Thanks, will do that.