6def0e44cf
This will not completely resolve RHEL-60906, because there will be always race condition if the rename event happens before the instance is fully initialized, but it should significantly improve the situation. Drawback is that it can report in the logs device names that shouldn't be matched by the plugin_net instance, i.e. it matches devices according to their original names but accesses them with their new names. This can be confusing. Also in the runtime API (e.g. for removal of the device from the instance), the original device names have to be used. For insertion of the device to the instance, new names have to be used. This can be even more confusing. Unfortunately, there probably isn't better alternative now, because for correct operation we would have to handle rename by removal and addition events. This would require rollback and retune steps which would lead to very negative performance consequences. Also we would have to cope with partially tuned devices if the rename event happens during profile application. It's doable, but it would require big architectural changes. The PR also extends internal API, now the plugin instances receive 'instance' as a method parameter. Also fixed some existing CodeQL warnings. Resolves: RHEL-60906 Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com> |
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|---|---|---|
| .fmf | ||
| .github/workflows | ||
| contrib | ||
| doc | ||
| experiments | ||
| icons | ||
| libexec | ||
| man | ||
| profiles | ||
| systemtap | ||
| tests | ||
| tuned | ||
| .gitignore | ||
| .packit.yaml | ||
| 00_tuned | ||
| 92-tuned.install | ||
| AUTHORS | ||
| bootcmdline | ||
| ci.fmf | ||
| com.redhat.tuned.policy | ||
| compile_plugin_docs.py | ||
| CONTRIBUTING.md | ||
| COPYING | ||
| dbus.conf | ||
| DCO | ||
| functions | ||
| INSTALL | ||
| Makefile | ||
| modules.conf | ||
| README.md | ||
| recommend.conf | ||
| TODO | ||
| tuned-adm.bash | ||
| tuned-adm.py | ||
| tuned-gui.desktop | ||
| tuned-gui.glade | ||
| tuned-gui.py | ||
| tuned-main.conf | ||
| tuned-ppd.py | ||
| tuned.py | ||
| tuned.service | ||
| tuned.spec | ||
| tuned.tmpfiles | ||
TuneD: Daemon for monitoring and adaptive tuning of system devices.
(This is TuneD 2.0 with a new code base. If you are looking for the older version, please check out branch '1.0' in our Git repository.)
How to use it
TuneD is incompatible with cpupower and power-profiles-daemon. If you
have these services, uninstall or disable them.
On Fedora, Red Hat Enterprise Linux, and their derivatives: install the tuned package
(optionally tuned-utils, tuned-utils-systemtap, and tuned-profiles-compat):
# dnf install tuned
After installation, start the tuned service:
# systemctl start tuned
You likely should run tuned whenever your machine boots:
# systemctl enable tuned
When the daemon is running you can easily control it using the tuned-adm
utility. This tool communicates with the daemon over DBus. Any user can
list the available profiles and see which one is active. The active profile can
be switched only by root user or by any user with physical console allocated
on the machine (X11, physical tty, but no SSH).
To see the current active profile, run:
# tuned-adm active
To list all available profiles, run:
# tuned-adm list
To switch to a different profile, run:
# tuned-adm profile <profile-name>
The enabled profile is persisted into /etc/tuned/active_profile, which
is read when the daemon starts or is restarted.
To disable all tunings, run:
# tuned-adm off
To show information/description of given profile or current profile if no profile is specified, run:
# tuned-adm profile_info
To verify current profile against system settings, run:
# tuned-adm verify
To enable automatic profile selection, run:
# tuned-adm auto_profile
To show the current profile selection mode, run:
# tuned-adm profile_mode
To recommend a profile for a given system, run:
# tuned-adm recommend
Currently only static detection is
implemented - it decides according to data in /etc/system-release-cpe and
the output of virt-what. The rules for autodetection are defined in the file
/usr/lib/tuned/recommend.d/50-tuned.conf. They can be overridden by the user by
creating a file in /etc/tuned/recommend.d or a file named recommend.conf in
/etc/tuned. See the tuned-adm(8) man page for details). The default rules
recommend profiles targeted to the best performance or the balanced profile if unsure.
Available tunings
We are currently working on many new tuning features. Some are described in the manual pages, some are yet undocumented.
Authors
The best way to contact the authors of the project is to use our mailing list: power-management@lists.fedoraproject.org
If you want to contact an individual author, you will find their e-mail address in every commit message in our Git repository: https://github.com/redhat-performance/tuned.git
You can also join the #fedora-power IRC channel on Freenode.
Web page: https://tuned-project.org/
Contributing
See the file CONTRIBUTING.md for guidelines for contributing.
License
Copyright (C) 2008-2021 Red Hat, Inc.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Full text of the license is enclosed in COPYING file.
The Developer Certificate of Origin, distributed in the file 'DCO' is licensed differently, see the file for the text of the license.
The icon:
The TuneD icon was created by Mariia Leonova mleonova@redhat.com and it is licensed under Creative Commons Attribution-ShareAlike 3.0 license (http://creativecommons.org/licenses/by-sa/3.0/legalcode).