Re: [RFC PATCH] sysfs: Add /sys/kernel/realtime entry

Tomas Glozar <[email protected]>
Newsgroups dev.linux.lists.linux-rt-devel,dev.linux.lists.driver-core,org.kernel.vger.linux-rt-users
Message-ID <CAP4=nvQ1GNkD5h9Phr43Usm3pK9xQJT68eOPxoQ3kLMHE0v=Tw@mail.gmail.com>
čt 9. 7. 2026 v 18:03 odesílatel Clark Williams <[email protected]> napsal:
>
> > cyclictest (from rt-tests) is using this file but only while collecting
> > system information, nothing else.
> >       https://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git/tree/src/lib/rt-utils.c#n528
>
> I'll ask around, but I'm betting RTLA checks for this as well.
>

RLTA doesn't check for a realtime kernel, neither using
/sys/kernel/realtime nor PREEMPT_RT. The only mention of "non-rt" in
the code is a comment saying you will only see softirqs on non-RT.


Tomas
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