diff options
| author | Christian Breunig <christian@breunig.cc> | 2024-03-13 12:48:39 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-03-13 12:48:39 +0100 |
| commit | 729d6785686284a61504dbfb8217888a485510dd (patch) | |
| tree | 2844ad85d2ace215f7137ae5cb0b737285a3f6db | |
| parent | c8528d080786a4be9436fa71c9ec969b9c3719fd (diff) | |
| parent | fd2a16c66b5b521ff071835909b770acc0d0981e (diff) | |
| download | vyos-1x-729d6785686284a61504dbfb8217888a485510dd.tar.gz vyos-1x-729d6785686284a61504dbfb8217888a485510dd.zip | |
Merge pull request #3128 from vyos/mergify/bp/sagitta/pr-3093
T2447: add configurable kernel boot option 'disable-power-saving' (backport #3093)
| -rw-r--r-- | interface-definitions/system_option.xml.in | 6 | ||||
| -rwxr-xr-x | src/conf_mode/system_option.py | 2 |
2 files changed, 8 insertions, 0 deletions
diff --git a/interface-definitions/system_option.xml.in b/interface-definitions/system_option.xml.in index 602d7d100..fe517d17d 100644 --- a/interface-definitions/system_option.xml.in +++ b/interface-definitions/system_option.xml.in @@ -43,6 +43,12 @@ <valueless/> </properties> </leafNode> + <leafNode name="disable-power-saving"> + <properties> + <help>Disable CPU power saving mechanisms also known as C states</help> + <valueless/> + </properties> + </leafNode> </children> </node> <leafNode name="keyboard-layout"> diff --git a/src/conf_mode/system_option.py b/src/conf_mode/system_option.py index 3b5b67437..7ed451e16 100755 --- a/src/conf_mode/system_option.py +++ b/src/conf_mode/system_option.py @@ -92,6 +92,8 @@ def generate(options): if 'kernel' in options: if 'disable_mitigations' in options['kernel']: cmdline_options.append('mitigations=off') + if 'disable_power_saving' in options['kernel']: + cmdline_options.append('intel_idle.max_cstate=0 processor.max_cstate=1') grub_util.update_kernel_cmdline_options(' '.join(cmdline_options)) return None |