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Edit File: plugin_irqbalance.cpython-39.pyc
a �]�i( � @ s\ d dl mZ d dlmZ ddlmZ ddlZddlZddlZej � � Z G dd� dej �Z dS )� )�base)�command_custom� )�constsNc s� e Zd ZdZ� fdd�Zdd� Zdd� Zedd � �Zd d � Z d d � Z dd� Z dd� Z dd� Z dd� Zdd� Zeddd�dd � �Z� ZS ) �IrqbalancePlugina� Plug-in for irqbalance settings management. The plug-in configures CPUs which should be skipped when rebalancing IRQs in `/etc/sysconfig/irqbalance`. It then restarts irqbalance if and only if it was previously running. The banned/skipped CPUs are specified as a CPU list via the [option]`banned_cpus` option. .Skip CPUs 2,4 and 9-13 when rebalancing IRQs ==== ---- [irqbalance] banned_cpus=2,4,9-13 ---- ==== c s& t t| �j|i |�� | j�� | _d S �N)�superr �__init__�_cmdZget_cpus�_cpus)�self�args�kwargs�� __class__� �C/usr/lib/python3.9/site-packages/tuned/plugins/plugin_irqbalance.pyr s zIrqbalancePlugin.__init__c C s d|_ d|_d S )NFT)Z_has_dynamic_tuningZ_has_static_tuning�r �instancer r r �_instance_init! s z IrqbalancePlugin._instance_initc C s d S r r r r r r �_instance_cleanup% s z"IrqbalancePlugin._instance_cleanupc C s dd iS )N� banned_cpusr )�clsr r r �_get_config_options( s �z$IrqbalancePlugin._get_config_optionsc C s� z:t tjd��}|�� W d � W S 1 s.0 Y W nL ty� } z4|jtjkrbt�d� nt� d| � W Y d }~d S d }~0 0 d S )N�rz>irqbalance sysconfig file is missing. Is irqbalance installed?z,Failed to read irqbalance sysconfig file: %s) �openr �IRQBALANCE_SYSCONFIG_FILE�read�IOError�errno�ENOENT�log�warning�error)r �f�er r r �_read_irqbalance_sysconfig. s , z+IrqbalancePlugin._read_irqbalance_sysconfigc C sv z<t tjd��}|�|� W d � n1 s.0 Y W dS typ } z t�d| � W Y d }~dS d }~0 0 d S )N�wTz-Failed to write irqbalance sysconfig file: %sF)r r r �writer r! r# )r �contentr$ r% r r r �_write_irqbalance_sysconfig9 s (z,IrqbalancePlugin._write_irqbalance_sysconfigc C s |d| S )Nz IRQBALANCE_BANNED_CPULIST=%s r )r � sysconfig�banned_cpulist_stringr r r �_write_banned_cpusB s z#IrqbalancePlugin._write_banned_cpusc C s4 g }|� d�D ]}t�d|�s|�|� qd�|�S )N� z \s*IRQBALANCE_BANNED_CPULIST=)�split�re�match�append�join)r r+ �lines�liner r r �_clear_banned_cpusE s z#IrqbalancePlugin._clear_banned_cpusc C s0 | j jg d�dgd�\}}|dkr,t�d� d S )N)Z systemctlz try-restartZ irqbalance� )Z no_errorsr z.Failed to restart irqbalance. Is it installed?)r Zexecuter! r" )r Zretcode�outr r r �_restart_irqbalanceL s � z$IrqbalancePlugin._restart_irqbalancec C s@ | � � }|d u rd S | �|�}| �||�}| �|�r<| �� d S r )r& r6 r- r* r9 )r r, r) r r r �_set_banned_cpusU s z!IrqbalancePlugin._set_banned_cpusc C s4 | � � }|d u rd S | �|�}| �|�r0| �� d S r )r& r6 r* r9 )r r) r r r �_restore_banned_cpus^ s z%IrqbalancePlugin._restore_banned_cpusr F)Z per_devicec C s� d }|d urnt | j�|��}t | j�}|�|�rF| j�| j�|��}n(d�dd� | jD ��} t� d|| f � |sv|r�|d u r�d S |r�d S |r�| � |� n| � � d S )N�,c S s g | ] }t |��qS r )�str)�.0�xr r r � <listcomp>o � z1IrqbalancePlugin._banned_cpus.<locals>.<listcomp>zGInvalid banned_cpus specified, '%s' does not match available cores '%s') �setr Zcpulist_unpackr �issubsetZcpulist2stringZ cpulist_packr3 r! r# r: r; ) r Zenabling�valueZverifyZignore_missingr r, ZbannedZpresentZstr_cpusr r r � _banned_cpusf s" � z IrqbalancePlugin._banned_cpus)�__name__� __module__� __qualname__�__doc__r r r � classmethodr r& r* r- r6 r9 r: r; r rE � __classcell__r r r r r s r )� r Z decoratorsr Ztunedr Z tuned.logsr r0 Zlogs�getr! ZPluginr r r r r �<module> s