diff options
| -rw-r--r-- | interface-definitions/system_option.xml.in | 20 | ||||
| -rwxr-xr-x | src/conf_mode/system_option.py | 14 |
2 files changed, 34 insertions, 0 deletions
diff --git a/interface-definitions/system_option.xml.in b/interface-definitions/system_option.xml.in index e78a53552..d15e391f5 100644 --- a/interface-definitions/system_option.xml.in +++ b/interface-definitions/system_option.xml.in @@ -49,6 +49,26 @@ <valueless/> </properties> </leafNode> + <leafNode name="amd-pstate-driver"> + <properties> + <help>Enables and configures pstate driver for AMD Ryzen and Epyc CPUs</help> + <completionHelp> + <list>active passive guided</list> + </completionHelp> + <valueHelp> + <format>active</format> + <description>This is the low-level firmware control mode based on the profile set and the system governor has no effect</description> + </valueHelp> + <valueHelp> + <format>passive</format> + <description>The driver allows the system governor to manage CPU frequency while providing available performance states</description> + </valueHelp> + <valueHelp> + <format>guided</format> + <description>The driver allows to set desired performance levels and the firmware selects a performance level in this range and fitting to the current workload</description> + </valueHelp> + </properties> + </leafNode> <node name="debug"> <properties> <help>Dynamic debugging for kernel module</help> diff --git a/src/conf_mode/system_option.py b/src/conf_mode/system_option.py index 52d0b7cda..1d6ab83af 100755 --- a/src/conf_mode/system_option.py +++ b/src/conf_mode/system_option.py @@ -19,11 +19,13 @@ import os from sys import exit from time import sleep + from vyos.config import Config from vyos.configverify import verify_source_interface from vyos.configverify import verify_interface_exists from vyos.system import grub_util from vyos.template import render +from vyos.utils.cpu import get_cpus from vyos.utils.dict import dict_search from vyos.utils.file import write_file from vyos.utils.kernel import check_kmod @@ -94,6 +96,13 @@ def verify(options): if not is_intf_addr_assigned(interface, address): raise ConfigError(f'Address "{address}" not assigned on interface "{interface}"!') + if 'kernel' in options: + cpu_vendor = get_cpus()[0]['vendor_id'] + if 'amd_pstate_driver' in options['kernel'] and cpu_vendor != 'AuthenticAMD': + raise ConfigError( + f'AMD pstate driver cannot be used with "{cpu_vendor}" CPU!' + ) + return None def generate(options): @@ -107,6 +116,11 @@ def generate(options): cmdline_options.append('mitigations=off') if 'disable_power_saving' in options['kernel']: cmdline_options.append('intel_idle.max_cstate=0 processor.max_cstate=1') + if 'amd_pstate_driver' in options['kernel']: + mode = options['kernel']['amd_pstate_driver'] + cmdline_options.append( + f'initcall_blacklist=acpi_cpufreq_init amd_pstate={mode}' + ) grub_util.update_kernel_cmdline_options(' '.join(cmdline_options)) return None |