Re: How to prevent rtkit from giving firefox higher priority?

From	hw <hw@adminart.net>
Newsgroups	linux.debian.user
Subject	Re: How to prevent rtkit from giving firefox higher priority?
Date	2024-01-16 14:00 +0100
Message-ID	<HWRcR-3tEA-1@gated-at.bofh.it> (permalink)
References	(2 earlier) <HWBrs-3k9o-11@gated-at.bofh.it> <HWOeZ-3rQx-3@gated-at.bofh.it> <HWORH-3sjf-3@gated-at.bofh.it> <HWPkJ-3stw-1@gated-at.bofh.it> <HWQA9-3tqH-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Tue, 2024-01-16 at 12:15 +0000, debian-user@howorth.org.uk wrote:
> hw <hw@adminart.net> wrote:
> > On Tue, 2024-01-16 at 11:27 +0100, Arno Lehmann wrote:
> > > I don't know anything about rtkit, but I may be able to parse
> > > English :-)
> > > 
> > > Am 16.01.2024 um 10:42 schrieb hw:
> > > ...  
> > > > The messages in the journal are actually weird:
> > > > 
> > > > 
> > > > rtkit-daemon[132284]: Successfully made thread 145442 of process
> > > > 145185 (/usr/lib64/firefox/firefox) owned by '1000' RT at
> > > > priority 10.
> > > > 
> > > > rtkit-daemon[132284]: Successfully made thread 2534 of process
> > > > 2507 (/usr/bin/gnome-shell) owned by '1000' RT at priority 20.
> > > > rtkit-daemon[132284]: Successfully made thread 2534 of process
> > > > 2507 (/usr/bin/gnome-shell) owned by '1000' high priority at nice
> > > > level 0. rtkit-daemon[132284]: Successfully made thread 2534 of
> > > > process 2507 (/usr/bin/gnome-shell) owned by '1000' RT at
> > > > priority 20. rtkit-daemon[132284]: Successfully made thread 2534
> > > > of process 2507 (/usr/bin/gnome-shell) owned by '1000' high
> > > > priority at nice level 0.
> > > > 
> > > > 
> > > > It says 'made owned by'.  Does user 1000 not own the process to
> > > > begin with?  Which user owned it before?  Or what is that
> > > > supposed to mean?  
> > > 
> > > What it tries to say is probably "made (thread ... owned by 1000)
> > > high priority".  
> > 
> > It says 'made thread ... (at nice level 0) owned by 1000'.  This is
> > inconclusive at best: The thread is obviously _at_ some nice level or
> > _at_ some priority and was made owned by 1000.
> 
> Well no it doesn't. You've changed the order of the words and that
> changes the meaning.
>  
> > If it had changed the priority it should say that, but it doesn't.
> 
> There's a rather unwieldy noun phrase
> "thread 2534 of process 2507 (/usr/bin/gnome-shell) owned by '1000'"
> which identifies a particular thread. Let's call that THREAD.
> 
> Then what the log says is:
> 
> rtkit-daemon[132284]: Successfully made THREAD RT at priority 20.
> rtkit-daemon[132284]: Successfully made THREAD high priority at nice
> level 0. 
> rtkit-daemon[132284]: Successfully made THREAD RT at priority 20.
> rtkit-daemon[132284]: Successfully made THREAD high priority at nice
> level 0.
> 
> So the log is telling you something about changes to the priority and
> real-time nature of that particular THREAD. I've no idea what they
> actually mean.

Yes, it finally occured to me that it's supposed to mean 'made RT'
when I looked at the journal again.  RT probably means real time, and
there seems to be a distinction between real time and nice.  However,
this is not a real time system, so real time is basically meaningless.

Still, how do I prevent rtkit-daemon and firefox from giving it(self)
higher priority?

Thread

How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-15 19:50 +0100
  Re: How to prevent rtkit from giving firefox higher priority? <tomas@tuxteam.de> - 2024-01-15 20:30 +0100
    Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-15 21:40 +0100
      Re: How to prevent rtkit from giving firefox higher priority? Tom Furie <tom@furie.org.uk> - 2024-01-15 22:10 +0100
        Re: How to prevent rtkit from giving firefox higher priority? Anssi Saari <anssi.saari@debian-user.mail.kapsi.fi> - 2024-01-16 11:30 +0100
        Re: How to prevent rtkit from giving firefox higher priority? Michel Verdier <mv524@free.fr> - 2024-01-16 13:10 +0100
      Re: How to prevent rtkit from giving firefox higher priority? <tomas@tuxteam.de> - 2024-01-16 07:00 +0100
        Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 11:30 +0100
          Re: How to prevent rtkit from giving firefox higher priority? Greg Wooledge <greg@wooledge.org> - 2024-01-16 13:10 +0100
            Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 13:50 +0100
              Re: How to prevent rtkit from giving firefox higher priority? Greg Wooledge <greg@wooledge.org> - 2024-01-16 14:10 +0100
                Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 14:20 +0100
                Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 14:40 +0100
                Re: How to prevent rtkit from giving firefox higher priority? Greg Wooledge <greg@wooledge.org> - 2024-01-16 14:50 +0100
                Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-17 11:30 +0100
                Re: How to prevent rtkit from giving firefox higher priority? Tixy <tixy@yxit.co.uk> - 2024-01-17 13:30 +0100
                Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-17 14:50 +0100
                Re: How to prevent rtkit from giving firefox higher priority? <tomas@tuxteam.de> - 2024-01-17 15:20 +0100
                Re: How to prevent rtkit from giving firefox higher priority? Greg Wooledge <greg@wooledge.org> - 2024-01-17 13:30 +0100
                Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-17 15:10 +0100
                Re: How to prevent rtkit from giving firefox higher priority? The Wanderer <wanderer@fastmail.fm> - 2024-01-17 15:20 +0100
                Re: How to prevent rtkit from giving firefox higher priority? David Wright <deblis@lionunicorn.co.uk> - 2024-01-18 06:10 +0100
  Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-15 21:00 +0100
    Re: How to prevent rtkit from giving firefox higher priority? <tomas@tuxteam.de> - 2024-01-15 21:10 +0100
      Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 10:50 +0100
        Re: How to prevent rtkit from giving firefox higher priority? Arno Lehmann <al@its-lehmann.de> - 2024-01-16 11:30 +0100
          Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 12:00 +0100
            Re: How to prevent rtkit from giving firefox higher priority? Tom Furie <tom@furie.org.uk> - 2024-01-16 12:50 +0100
            Re: How to prevent rtkit from giving firefox higher priority? debian-user@howorth.org.uk - 2024-01-16 13:20 +0100
              Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 14:00 +0100
    Re: How to prevent rtkit from giving firefox higher priority? John Hasler <john@sugarbit.com> - 2024-01-15 22:30 +0100
      Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-16 10:50 +0100
        Re: How to prevent rtkit from giving firefox higher priority? John Hasler <john@sugarbit.com> - 2024-01-16 17:20 +0100
          Re: How to prevent rtkit from giving firefox higher priority? hw <hw@adminart.net> - 2024-01-17 14:20 +0100

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