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Editing: plugin_sysfs.cpython-36.pyc
3 �<�e� � @ sr d dl mZ ddlZddlZddlZd dlT ddlZddl j Z ddl T ddl m Z ejj� ZG dd� dej�ZdS )� )�base� N)�*)�commandsc sf e Zd ZdZ� fdd�Zdd� Zdd� Zdd � Zd d � Ze j fd d �Z dd� Z dd� Z dd� Z� ZS )� SysfsPlugina| `sysfs`:: Sets various `sysfs` settings specified by the plug-in options. + The syntax is `_name_=_value_`, where `_name_` is the `sysfs` path to use and `_value_` is the value to write. The `sysfs` path supports the shell-style wildcard characters (see `man 7 glob` for additional detail). + Use this plugin in case you need to change some settings that are not covered by other plug-ins. Prefer specific plug-ins if they cover the required settings. + .Ignore corrected errors and associated scans that cause latency spikes ==== ---- [sysfs] /sys/devices/system/machinecheck/machinecheck*/ignore_ce=1 ---- ==== c s$ t t| �j||� d| _t� | _d S )NT)�superr �__init__Z_has_dynamic_optionsr �_cmd)�self�args�kwargs)� __class__� �"/usr/lib/python3.6/plugin_sysfs.pyr ' s zSysfsPlugin.__init__c C s4 d|_ d|_tdd� t|jj� �D ��|_i |_d S )NFTc S s$ g | ] }t jj|d �|d f�qS )r r )�os�path�normpath)�.0� key_valuer r r � <listcomp>0 s z.SysfsPlugin._instance_init.<locals>.<listcomp>)Z_has_dynamic_tuningZ_has_static_tuning�dict�listZoptions�items�_sysfs�_sysfs_original)r �instancer r r �_instance_init, s zSysfsPlugin._instance_initc C s d S )Nr )r r r r r �_instance_cleanup3 s z SysfsPlugin._instance_cleanupc C sv xpt |jj� �D ]^\}}| jj|�}xHtj|�D ]:}| j|�r\| j|�|j |< | j ||� q0t j d| � q0W qW d S )Nz)rejecting write to '%s' (not inside /sys)) r r r � _variables�expand�glob�iglob� _check_sysfs� _read_sysfsr � _write_sysfs�log�error)r r �key�value�v�fr r r �_instance_apply_static6 s z"SysfsPlugin._instance_apply_staticc C sp d}xft |jj� �D ]T\}}| jj|�}x>tj|�D ]0}| j|�r4| j|�} | j ||| |�dkr4d}q4W qW |S )NTF) r r r r r r r! r" r# Z _verify_value) r r Zignore_missingZdevices�retr' r( r) r* Zcurr_valr r r �_instance_verify_static@ s z#SysfsPlugin._instance_verify_staticc C s, x&t |jj� �D ]\}}| j||� qW d S )N)r r r r$ )r r Zrollbackr' r( r r r �_instance_unapply_staticK s z$SysfsPlugin._instance_unapply_staticc C s t jd|�S )Nz^/sys/.*)�re�match)r � sysfs_filer r r r" O s zSysfsPlugin._check_sysfsc C s2 | j j|�j� }t|�dkr*| j j|d�S d S d S )Nr F)r Z read_file�strip�lenZget_active_option)r r1 �datar r r r# R s zSysfsPlugin._read_sysfsc C s | j j||�S )N)r Z write_to_file)r r1 r( r r r r$ Y s zSysfsPlugin._write_sysfs)�__name__� __module__� __qualname__�__doc__r r r r+ r- �constsZ ROLLBACK_SOFTr. r" r# r$ � __classcell__r r )r r r s r )� r r r/ Zos.pathr Z decoratorsZ tuned.logsZtunedZ tuned.constsr9 � subprocessZtuned.utils.commandsr Zlogs�getr% ZPluginr r r r r �<module> s
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