← Back
Editing: process.cpython-38.pyc
U ���c� � @ sl d dl mZ d dlZd dlZd dlmZmZ d dlmZ d dlm Z d dl m Z G dd� de �Z d d � ZdS ) � )�absolute_importN)� timedelta�datetime)�sysstats)� to_timestamp)�detect_jiffiesc @ s* e Zd ZdZd dd�Zdd� Zdd � ZdS ) �ProcessInformationaI @param proc_dir: The directory to use for process information. @param jiffies: The value to use for jiffies per second. @param boot_time: An alternate value to use for the last boot time. If None, the system last boot time will be used. @param uptime: The uptime value to use (for unit tests only). �/procNc C sH |d krt �� �� }|d k r&t�|�}|| _|| _|p:t� | _|| _ d S )N) r Z BootTimesZget_last_boot_timer Zutcfromtimestamp� _boot_time� _proc_dirr �_jiffies_per_sec�_uptime)�selfZproc_dirZjiffiesZ boot_time�uptime� r �7/usr/lib/python3/dist-packages/landscape/lib/process.py�__init__ s zProcessInformation.__init__c c sP t �| j�D ]>}z t|�}W n tk r4 Y q Y nX | �|�}|r |V q dS )z8Get process information for all processes on the system.N)�os�listdirr �int� ValueError�get_process_info)r �filename� process_id� process_infor r r �get_all_process_info s z'ProcessInformation.get_all_process_infoc C s� d}t j�| jt|��}d|i}�z*tt j�|d�d�}z"|�� }t j�|� d�d �}W 5 |�� X tt j�|d�d�}�z|D ]�}|� dd �}|d d kr�|� � p�|d � � |d < q�|d d kr�|d � � } | d kr�| � � } | d � d�|d< q�|d dk�r |d � � } t | d �|d< q�|d dk�rL|d � � } t | d �|d< q�|d dkr�|d � � } t | d �|d< �q|q�W 5 |�� X tt j�|d�d�}z�|�� � � }t |d �} t |d �} t |d �} | j�p�t�� }t| | || | j�}||d< td| | j �}| jdk�r*t�d � W � W dS t| j| �|d < W 5 |�� X W n tk �rd Y dS X d|k�r�d|k�r�d |k�r�d|k�r�d|k�r�d |k�s�t�|S ) a Parse the /proc/<pid>/cmdline and /proc/<pid>/status files for information about the running process with process_id. The /proc filesystem doesn't behave like ext2, open files can disappear during the read process. � �pidZcmdline�r� r Zstatus�:� �Name�name�StatezT (tracing stop)�ascii�stateZUidZuidZGid�gidZVmSizezvm-size�stat� � � z percent-cpuNz,Skipping process (PID %s) without boot time.z start-time)r �path�joinr �str�open�close�readline�basename�split�strip�lower�encoder �readr r Z get_uptime�calculate_pcpur r r �loggingZwarningr �IOError�AssertionError)r r Z cmd_line_nameZ process_dirr �fileZcmd_line�line�partsr& Z value_parts� start_time�utime�stimer �pcpuZdeltar r r r + s� � � � � ����z#ProcessInformation.get_process_info)r NNN)�__name__� __module__� __qualname__�__doc__r r r r r r r r s � r c C sB d}| | }||| }|r,|d | | }t tt|d�d�d�S )ao Implement ps' algorithm to calculate the percentage cpu utilisation for a process.:: unsigned long long total_time; /* jiffies used by this process */ unsigned pcpu = 0; /* scaled %cpu, 99 means 99% */ unsigned long long seconds; /* seconds of process life */ total_time = pp->utime + pp->stime; if(include_dead_children) total_time += (pp->cutime + pp->cstime); seconds = seconds_since_boot - pp->start_time / hertz; if(seconds) pcpu = (total_time * 100ULL / hertz) / seconds; if (pcpu > 99U) pcpu = 99U; return snprintf(outbuf, COLWID, "%2u", pcpu); r �d g �X@r! )�round�max�min)r@ rA r r? ZhertzrB Z total_timeZsecondsr r r r8 � s r8 )Z __future__r r9 r r r Z landscape.libr Zlandscape.lib.timestampr Zlandscape.lib.jiffiesr �objectr r8 r r r r �<module> s z
Save File
Cancel