https://bugs.kde.org/show_bug.cgi?id=434877

--- Comment #11 from Riccardo Robecchi <sephiroth...@hotmail.it> ---
The thing is this behaviour is not there on another desktop I own (to which I
have no access right now, due to it being in another country). There, KSysGuard
used ~3% CPU as it should.
Let's forget that for a moment though. I understand the complexity that lies
below showing these stats, but it seems to me like something very, very
inefficient happens in KSysGuard and System Monitor given that GNOME System
Monitor, which is equivalent in all respects to the KDE programs, uses ~5% CPU.
I don't know what it does differently, but it manages to offer the same basic
functionality while using a ton less resources.
I don't think that using >30% CPU to show you how much CPU is being used is in
any way acceptable or recommended (as Nate puts it, "a system monitoring app
should be as lightweight as possible to avoid mutating what it's measuring"). I
will stop using System Monitor and KSysGuard until progress is made on this
front as they are the main reason why my notebook's fans spin up and keep on
spinning as long as they stay open.

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