realtime-setup-2.5-2.el10 RPM for s390x

From AlmaLinux Kitten 10 devel for s390x

Configure details useful for low-latency environments.

Installation of this package results in:
  - creation of a realtime group
  - adds realtime limits configuration for PAM
  - adds udev specific rules for threaded irqs and /dev/rtc access
  - adds /usr/bin/slub_cpu_partial_off to turn off cpu_partials in SLUB
  - adds net-socket timestamp static key daemon (realtime-entsk)

The slub_cpu_partial_off script is used to turn off the SLUB slab allocator's
use of cpu-partials, which has been known to create latency-spikes.

The realtime-entsk program is a workaround for latency spikes caused when the
network stack enables hardware timestamping and activates a static key. The
realtime-entsk progam is activated by the systemd service included and merely
enables the timestamp static key and pauses, effectively activating the static
key and never exiting, so no deactivation/activation sequences will be seen.

Neither the slub script or realtime-entsk are active by default.

Provides

• realtime-setup
• config(realtime-setup)
• realtime-setup(s390-64)

Requires

• /bin/sh
• /bin/sh
• /usr/bin/bash
• config(realtime-setup) = 2.5-2.el10
• libc.so.6()(64bit)
• libc.so.6(GLIBC_2.2)(64bit)
• libc.so.6(GLIBC_2.34)(64bit)
• libc.so.6(GLIBC_2.4)(64bit)
• pam
• rpmlib(CompressedFileNames) <= 3.0.4-1
• rpmlib(FileDigests) <= 4.6.0-1
• rpmlib(PayloadFilesHavePrefix) <= 4.0-1
• rpmlib(PayloadIsZstd) <= 5.4.18-1
• rtld(GNU_HASH)
• systemd
• tuna
• tuned
• tuned-profiles-realtime

License

GPL-2.0-or-later

Changelog

* Wed Jan 15 2025 John Kacur <jkacur@redhat.com> - 2.5-2
  - Bump the release number and rebuild with the correct JIRA
  Resolves: RHEL-70587
* Wed Dec 18 2024 Clark Williams <williams@redhat.com> - 2.5-1
  - Bump release for RHEL-10
    Resolves: RHEL-40030
  - add rpminspect.yaml to turn of debuginfo check
  - add compile options for passing annocheck
* Mon Dec 09 2024 John Kacur <jkacur@redhat.com> - 2.4-8
  - Add an rpminspect.yaml file to turn-off debuginfo testing
  Resolves: RHEL-70580
* Tue Oct 29 2024 Troy Dawson <tdawson@redhat.com> - 2.4-7
  - Bump release for October 2024 mass rebuild:
    Resolves: RHEL-64018
* Mon Jun 24 2024 Troy Dawson <tdawson@redhat.com> - 2.4-6
  - Bump release for June 2024 mass rebuild
* Tue Jun 04 2024 Clark Williams <williams@redhat.com> - 2.4.5
  - change gating.yaml target from rhel-9 to rhel-10
  Resolves: RHEL-40030
* Tue Mar 26 2024 John Kacur <jkacur@redhat.com> - 2.4-4
  - Add gating.yaml
  - Add tests dir
  Resolves: RHEL-30448
* Fri Jan 26 2024 Fedora Release Engineering <releng@fedoraproject.org> - 2.4-3
  - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
* Mon Jan 22 2024 Fedora Release Engineering <releng@fedoraproject.org> - 2.4-2
  - Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
* Tue Dec 05 2023 Clark Williams <williams@redhat.com> - 2.4-1
  - Makefile cleanups and added .gitignore
  - remove Red Hat Makefile targets and specfile
  - ensure all files have valid SPDX license identifiers
  - version bump
* Thu Jul 27 2023 Clark Williams <williams@redhat.com> - 2.3.2-1
  - Remove rpm specific logic from Makefile
  - Remove unused SysVinit script
  - version bump
* Wed Jul 05 2023 Clark Williams <williams@redhat.com> - 2.3.1-1
  - Fix build require of annobin package
  - Update all files with SPDX identifier
  - add srpm target in Makefile
  - fix versioning in Makefile targets and specfile

Files

/etc/security/limits.d/realtime.conf
/etc/sysconfig/realtime-setup
/etc/udev/rules.d/99-rhel-rt.rules
/usr/bin/realtime-setup
/usr/bin/slub_cpu_partial_off
/usr/lib/.build-id
/usr/lib/.build-id/93
/usr/lib/.build-id/93/e01b5ef532bc5061eee177dc6463d923b39bf4
/usr/lib/systemd/system/realtime-entsk.service
/usr/lib/systemd/system/realtime-setup.service
/usr/sbin/kernel-is-rt
/usr/sbin/realtime-entsk

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Fabrice Bellet, Fri Oct 24 07:26:38 2025