Re: Strange problem with PREEMPT_RT

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On Sun, 3 Oct 2021, Jack Winch wrote:

> Punit Agrawal <punitagrawal@xxxxxxxxx> writes:
> 
> > > If I remove this default we're going to get a slew of reports from people
> > > using cyclictest wondering why they aren't getting good realtime
> > > performance.
> >
> > Perhaps, this is a change best done with a major version bump. Not that
> > it'll stop users queries completely but hopefully more people will pay
> > attention to the changelog.
> 
> Regrettably, I know quite a few RT Linux users who are neither party
> to this mailing list (due to company IT policy), nor do they pay
> attention to the changelog.  Even less read the source code of the
> rt-tests suite of tools.
> 
> Regardless of these sorrowful facts, as this is such a fundamental
> matter, perhaps it would be useful to highlight this behaviour of
> cyclictest in the tool's documentation - specifically the program's
> help output, manual page, and related content on the RT Linux wiki.  I
> see additional information going into the first two forms of
> documentation as a required step.  However, I believe that adding
> information on this behaviour to the relevant pages of the RT Linux
> wiki would also be greatly beneficial.  This is because many
> developers who are new to RT Linux development, in my experience, tend
> to make use of the wiki to 'orientate' themselves when first starting
> out, etc, and the omission of information regarding this behaviour
> could lead to wrong assessments and conclusions being made when using
> this tool.
> 
> Jack
> 

Don't worry, I try to keep the help and man pages up-to-date so you don't 
need to read change logs. If you see any problems with help / man pages
either report that to the list and cc me, or send me a patch.

Thanks

John Kacur




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