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If name is a virtual device (e.g. "loop1", "ram") return True. �/�!Tz /sys/block/%sz/sys/block/%s/device)r� ry �access�F_OK)�nameZincluding_virtualr^ r? r? r@ �is_storage_device� s r� c C s� t d| ��}|�� �� dd� }W 5 Q R X dddddd d g}t|�}|d krX|�d � |d krj|�d� |dkr||�d� td|�adS )z�Set a namedtuple of variable fields depending on the CPU times available on this Linux kernel version which may be: (user, nice, system, idle, iowait, irq, softirq, [steal, [guest, [guest_nice]]]) Used by cpu_times() function. �%s/statr Nro �nicerp �idlers ZirqZsoftirq� Zsteal� Zguest� Z guest_nice� scputimes)r �readliner{ �len�appendr r� )� procfs_path�f�values�fieldsZvlenr? r? r@ �set_scputimes_ntuple s r� �/procz ignoring exception on import: %rr� zuser system idle� )�prlimitT)Z use_errnor� c C s� G dd� dt j�}|� }|d kr8t�| |d t �|��}n6|� }|d |_|d |_t�| |t �|�t �|��}|dkr�t �� }t|t � |���|j|jfS )Nc @ s e Zd ZdejfdejfgZdS )z prlimit.<locals>.StructRlimit�rlim_cur�rlim_maxN)r< r= r> �ctypesZ c_longlongZ_fields_r? r? r? r@ � StructRlimit> s �r� r r ) r� Z Structure�libcr� Zbyrefr� r� Z get_errno�OSErrorry �strerror)�pid� resource_�limitsr� �current�ret�newZerrno_r? r? r@ r� = s" �c C s" g | ]}|� d �r|�� r|�qS )ZRLIM)� startswith�isupper��.0rH r? r? r@ � <listcomp>Y s r� c C s2 | d }|| � dd� }z | d }| d }| d }W n< tk rp } z td|jd � | W Y �S d}~X Y nX ztd t� �}W n tk r� | Y S X d}|�6 |D ]*} | �� } | �d �r�|t | � � d �7 }q�W 5 Q R X |t 9 }|| } || } | t | d |�8 } | | 7 } | |t |d |� 7 } t | �S )ay Fallback for kernels < 3.14 where /proc/meminfo does not provide "MemAvailable", see: https://blog.famzah.net/2014/09/24/. 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See: * https://gitlab.com/procps-ng/procps/issues/42 * https://github.com/famzah/linux-memavailable-procfs/issues/2 � MemFree:� Cached:r s Active(file):s Inactive(file):� SReclaimable:zY%s is missing from /proc/meminfo; using an approximation for calculating available memoryNz %s/zoneinfos lowr r9 g @) �get�KeyErrorr �argsr r �IOError�stripr� �intr{ �PAGESIZE�min) �memsrR �fallbackZlru_active_fileZlru_inactive_fileZslab_reclaimable�errr� Z watermark_low�line�availZ pagecacher? r? r@ �calculate_avail_vmemb s< �� r� c C s� g } i }t dt� ��0}|D ]$}|�� }t|d �d ||d < q W 5 Q R X |d }|d }z |d }W n" tk r� d}| �d� Y nX z |d }W n" tk r� d}| �d � Y nX ||�d d�7 }z |d } W nH tk �r z |d } W n$ tk �r d} | �d� Y nX Y nX z |d } W n$ tk �rR d} | �d� Y nX z |d } W nX tk �r� z |d |d |d } W n$ tk �r� d} | �d� Y nX Y nX z |d } W n tk �r� d} Y nX || | | } | dk �r|| } z |d }W n tk �r. t|�}Y nX |dk�rBt|�}|dk �r\d}| �d� n||k�rj|}t|| |dd�}| �r�dd� | �t | �dk�r�d nd f }t j |t d d � t|||| || | ||| | � S ) a7 Report virtual memory stats. This implementation mimics procps-ng-3.3.12, aka "free" CLI tool: https://gitlab.com/procps-ng/procps/blob/ 24fd2605c51fccc375ab0287cec33aa767f06718/proc/sysinfo.c#L778-791 The returned values are supposed to match both "free" and "vmstat -s" CLI tools. � %s/meminfor � r s MemTotal:r� s Buffers:rU r� rV r� s Shmem:s MemShared:rW s Active:rS s Inactive:s Inact_dirty:s Inact_clean:s Inact_laundry:rT s Slab:s MemAvailable:rO �Zround_z6%s memory stats couldn't be determined and %s set to 0�, �was�werer9 �� stacklevel)r r r{ r� r� r� r� r� r �joinr� �warnings�warn�RuntimeWarningrM )Zmissing_fieldsr� r� r� r� rN rR rU rV rW rS rT rX rQ r� rP �msgr? r? r@ �virtual_memory� s� $ ��� ��r� c C s� i } t dt� ��0}|D ]$}|�� }t|d �d | |d < qW 5 Q R X z| d }| d }W n: tk r� t�� \}}}}}}}||9 }||9 }Y nX || }t||dd�} zt dt� �}W nL tk �r } z,d d t | � } t j | t d d � d } } W 5 d } ~ X Y n�X |�� d } } |D ]n}|� d��rLt|�d�d �d d } n&|� d��rrt|�d�d �d d } | d k �r | d k �r �q��q d } | d7 } t j | t d d � d } } W 5 Q R X t�|||| | | �S )zReturn swap memory metrics.r� r r� r s SwapTotal:s SwapFree:r� z %s/vmstatz,'sin' and 'sout' swap memory stats couldn't z$be determined and were set to 0 (%s)r9 r� Ns pswpin� � s pswpoutz be determined and were set to 0)r r r{ r� r� �cextZ linux_sysinfor r� �strr� r� r� r� r Zsswap)r� r� r� r� rN rR �_Zunit_multiplierrQ rP r� r� �sinZsoutr? r? r@ � swap_memory' sJ $ �� r� c C s^ t � } t| � td| ��}|�� �� }W 5 Q R X |dttj�d � }dd� |D �}t|� S )z�Return a named tuple representing the following system-wide CPU times: (user, nice, system, idle, iowait, irq, softirq [steal, [guest, [guest_nice]]]) Last 3 fields may not be available on all Linux kernel versions. r� r c S s g | ]}t |�t �qS r? ��float� CLOCK_TICKSr� r? r? r@ r� o s z cpu_times.<locals>.<listcomp>)r r� r r� r{ r� r� �_fields)r� r� r� r� r? r? r@ � cpu_timesc s r� c C s� t � } t| � g }td| ��l}|�� |D ]L}|�d�r,|�� }|dttj�d � }dd� |D �}t|� }|� |� q,|W 5 Q R � S Q R X dS )zfReturn a list of namedtuple representing the CPU times for every CPU available on the system. r� s cpur c S s g | ]}t |�t �qS r? r� r� r? r? r@ r� � s z!per_cpu_times.<locals>.<listcomp>N) r r� r r� r� r{ r� r� r� r� )r� �cpusr� r� r� r� �entryr? r? r@ � per_cpu_timess s r� c C s� z t �d�W S tk r� d} tdt� ��&}|D ]}|�� �d�r4| d7 } q4W 5 Q R X | dkr�t�d�}t dt� ��0}|D ]$}|� d�d }|� |�r�| d7 } q�W 5 Q R X | dkr�Y d S | Y S X d S ) z0Return the number of logical CPUs in the system.�SC_NPROCESSORS_ONLNr � %s/cpuinfos processorr zcpu\dr� rl N) ry �sysconf� ValueErrorr r �lowerr� �re�compiler r{ �match)�numr� r� �searchr? r? r@ �cpu_count_logical� s$ r� c C s t � } d}d}t�|�p t�|�D ]*}t|��}| �|�� �� � W 5 Q R X q"t| �}|dkrb|S i }i }tdt� ��v}|D ]j}|�� �� }|s�z|d ||d < W n t k r� Y nX i }q~|� d�r~|� dd �\} } t | �|| < q~W 5 Q R X t |�� �}|�pd S ) z-Return the number of CPU cores in the system.z9/sys/devices/system/cpu/cpu[0-9]*/topology/core_cpus_listz?/sys/devices/system/cpu/cpu[0-9]*/topology/thread_siblings_listr r� � cpu cores� physical id)r� r� s :r N)�set�globr �add�readr� r� r r� r� r� r{ r� �sumr� ) �ls�p1�p2r^ r� �result�mappingZ current_infor� �key�valuer? r? r@ �cpu_count_cores� s6 � r� c C s� t dt� ���} d}d}d}| D ]r}|�d�r@t|�� d �}n6|�d�r\t|�� d �}n|�d�rvt|�� d �}|dk r |dk r |dk r q�q W 5 Q R X d}t�||||�S )z*Return various CPU stats as a named tuple.r� Ns ctxtr s intrs softirqr )r r r� r� r{ r Z scpustats)r� Z ctx_switchesZ interruptsZsoft_interruptsr� Zsyscallsr? r? r@ � cpu_stats� s2 ��� �r� c C sT g } t dt� ��8}|D ],}|�� �d�r| �t|�dd�d �� qW 5 Q R X | S )z7Return current CPU frequency from cpuinfo if available.r� s cpu mhz� :r )r r r� r� r� r� r{ )r� r� r� r? r? r@ �_cpu_get_cpuinfo_freq� s &r� z'/sys/devices/system/cpu/cpufreq/policy0z$/sys/devices/system/cpu/cpu0/cpufreqc C s& t � } t�d�pt�d�}|jdd� d� g }tjj}t|�D ]�\}}t|�t| �krd| | d }nt||d�dd �}|dkr�t||d �dd �}|dkr�d � |�}t |dd �d kr�|� t � d d d �� q>d}t|��t|�d }tt||d���d } tt||d���d } |� t � || | �� q>|S )z�Return frequency metrics for all CPUs. Contrarily to other OSes, Linux updates these values in real-time. z,/sys/devices/system/cpu/cpufreq/policy[0-9]*z)/sys/devices/system/cpu/cpu[0-9]*/cpufreqc S s t t�d| ��� �S )Nz[0-9]+)r� r� r� �group)rH r? r? r@ �<lambda>� � zcpu_freq.<locals>.<lambda>)r� i� Zscaling_cur_freqN�r� Zcpuinfo_cur_freqz$/sys/devices/system/cpu/cpu{}/onlinez0 r� z!can't find current frequency fileZscaling_max_freqZscaling_min_freq)r� r� �sortry r^ r� � enumerater� r �formatr r� r �scpufreq�NotImplementedErrorr� ) Z cpuinfo_freqs�pathsr� �pjoin�ir^ �currZ online_pathr� Zmax_Zmin_r? r? r@ �cpu_freq� s8 ��� r c C s dd� t � D �S )z}Alternate implementation using /proc/cpuinfo. min and max frequencies are not available and are set to None. c S s g | ]}t �|d d ��qS )r� )r r r� r? r? r@ r� # s z cpu_freq.<locals>.<listcomp>)r� r? r? r? r@ r s c @ s e Zd ZdS )�_Ipv6UnsupportedErrorN)r< r= r> r? r? r? r@ r . s r c @ sZ e Zd ZdZdd� Zdd� Zdd� Zedd � �Zedd d ��Z edd d��Z ddd�Z d S )�NetConnectionsaw A wrapper on top of /proc/net/* files, retrieving per-process and system-wide open connections (TCP, UDP, UNIX) similarly to "netstat -an". Note: in case of UNIX sockets we're only able to determine the local endpoint/path, not the one it's connected to. According to [1] it would be possible but not easily. [1] http://serverfault.com/a/417946 c C s� dt jt jf}dt jt jf}dt jt jf}dt jt jf}dt jd f}|||||f||f|f|f||f|f|f|f||||f||f||fd� | _d | _d S )N�tcp�tcp6�udp�udp6�unix) �allr �tcp4r r �udp4r r �inetZinet4Zinet6)�socket�AF_INET� SOCK_STREAM�AF_INET6� SOCK_DGRAM�AF_UNIX�tmap� _procfs_path)�selfr r r r r r? r? r@ �__init__> s$ � zNetConnections.__init__c C s� t t�}t�d| j|f �D ]�}ztd| j||f �}W nn ttfk rT Y q Y q tk r� } z6|j t j krxW Y �$q |j t j kr�t |� W Y �q � W 5 d }~X Y q X |� d�r |dd � d d� }|| �|t|�f� q |S )N�%s/%s/fd� %s/%s/fd/%szsocket:[r� ���)r �listry �listdirr rz r r! r� �errno�EINVAL� ENAMETOOLONGr r� r� r� )r r� �inodesr_ �inoder� r? r? r@ �get_proc_inodesU s" z NetConnections.get_proc_inodesc C sH i }t � D ]8}z|�| �|�� W q tttfk r@ Y q Y q X q |S �N)�pids�updater( r r! r )r r& r� r? r? r@ �get_all_inodeso s z NetConnections.get_all_inodesc C s� | � d�\}}t|d�}|s dS tr.|�d�}|tjkrntrZt�|t� |�ddd� �}q�t�|t� |��}nxt� |�}zJtr�t�tj t j d t � d|��� �}n t�tj t j d t � d|��� �}W n" tk r� t� s�t�n� Y nX t�||�S ) a� Accept an "ip:port" address as displayed in /proc/net/* and convert it into a human readable form, like: "0500000A:0016" -> ("10.0.0.5", 22) "0000000000000000FFFF00000100007F:9E49" -> ("::ffff:127.0.0.1", 40521) The IP address portion is a little or big endian four-byte hexadecimal number; that is, the least significant byte is listed first, so we need to reverse the order of the bytes to convert it to an IP address. The port is represented as a two-byte hexadecimal number. Reference: http://linuxdevcenter.com/pub/a/linux/2000/11/16/LinuxAdmin.html �:� r? �asciiNr �>4I�<4I)r0 )r1 )r{ r� r �encoder r � LITTLE_ENDIAN� inet_ntop�base64� b16decoder �struct�pack�unpackr� r r r �addr)r: �family�ip�portr? r? r@ �decode_address s4 ��z NetConnections.decode_addressNc c s< | � d�rtj�| �sdS t| ���}|�� t|d�D ]�\}}z(|�� dd� \ }} } } }}}}}} W n& tk r� t d| ||f ��Y nX | |kr�|| d \} }nd\} }|dk r�|| kr�q8q8|t j kr�t | } nt j} z t�| |�} t�| |�} W n tk �r Y q8Y nX |||| | | | fV q8W 5 Q R X dS )z.Parse /proc/net/tcp* and /proc/net/udp* files.�6Nr r� z,error while parsing %s; malformed line %s %rr �Nr )r| ry r^ �existsr r� r r{ r� � RuntimeErrorr r � TCP_STATUSESr � CONN_NONEr r> r )�filer; �type_r& � filter_pidr� �linenor� r� �laddr�raddr�statusr' r� r_ r? r? r@ � process_inet� s8 ��� zNetConnections.process_inetc c s t | ���}|�� |D ]�}|�� }z |dd� \}}}}}}} W n0 tk rp d|kr\Y qtd| |f ��Y nX | |kr�|| } ndg} | D ]`\} } |dk r�|| kr�q�q�t|�dkr�|d nd } t�t|��}d }tj }| ||| ||| fV q�qW 5 Q R X dS ) zParse /proc/net/unix files.r � rl z)error while parsing %s; malformed line %rr@ Nr� r � ) r r� r{ r� rB r� r Zsocktype_to_enumr� rD )rE r; r& rG r� r� �tokensr� rF r' �pairsr� r_ r^ rJ rK r? r? r@ � process_unix� s2 �� zNetConnections.process_unixc C s || j kr,td|d�dd� | j D ��f ��t� | _|d k rP| �|�}|sXg S n| �� }t� }| j | D ]�\}}}d| j|f }|tj tj fkr�| j |||||d�} n| j ||||d�} | D ]L\} }}} } } }|r�t �| ||| | | �}nt �| ||| | | |�}|�|� q�qht|�S )Nz+invalid %r kind argument; choose between %sr� c S s g | ] }t |��qS r? )�reprr� r? r? r@ r� s z+NetConnections.retrieve.<locals>.<listcomp>z %s/net/%s)rG )r r� r� r r r( r, r� r r r rL rQ r �pconnZsconnr� r! )r �kindr� r& r� Z proto_namer; rF r^ r� r_ rI rJ rK Z bound_pid�connr? r? r@ �retrieve sZ �� � � �zNetConnections.retrieve)N)N)N) r< r= r> �__doc__r r( r, � staticmethodr> rL rQ rV r? r? r? r@ r 2 s 4 ) #r r c C s t �| �S )z$Return system-wide open connections.)�_net_connectionsrV )rT r? r? r@ �net_connections) s rZ c C s� t dt� ��} | �� }W 5 Q R X i }|dd� D ]�}|�d�}|dksTtt|���|d|� �� }||d d� �� �� }tt |�\}}} } } } } }}}}}}}}}||||| || |f||< q2|S )zsReturn network I/O statistics for every network interface installed on the system as a dict of raw tuples. z %s/net/devr9 Nr- r r ) r r � readlines�rfindrx rR r� r{ �mapr� )r� �lines�retdictr� �colonr� r� Z bytes_recvZ packets_recvZerrinZdropinZ_fifoinZ_frameinZ _compressedinZ _multicastinZ bytes_sentZ packets_sentZerroutZdropoutZ_fifooutZ_collisionsoutZ _carrieroutZ_compressedoutr? r? r@ �net_io_counters. sH �� ra c C s� t jtt jtt jti} t� �� }i }|D ]�}z&t � |�}t � |�}t � |�\}}W n: t k r� } z |jtjkrt� nt|� W 5 d}~X Y q(X d�|�} d|k} t�| | | ||| �||< q(|S )z)Get NIC stats (isup, duplex, speed, mtu).N�,�running)r� Z DUPLEX_FULLr Z DUPLEX_HALFr ZDUPLEX_UNKNOWNr ra �keys� cext_posixZ net_if_mtuZ net_if_flagsZnet_if_duplex_speedr� r# ZENODEVr r� r Z snicstats) Z duplex_map�namesr� r� Zmturb Zduplex�speedr� Z output_flagsZisupr? r? r@ � net_if_stats] s8 � � rh Fc C s� dd� }dd� }t j�dt� �r*|� }n"t j�d�r>|� }ntdt� ��i }|D ]T}|\ }}}} } } } } }}| s~t|�s~qT| t9 } | t9 } ||| | | | | ||f ||< qT|S )zcReturn disk I/O statistics for every disk installed on the system as a dict of raw tuples. c s s0 t dt� ��} | �� }W 5 Q R X |D �]}|�� }t|�}|dkr�|d }t|d �}tt|dd� �\ }}} } } } } }}}n�|dks�|dkr�|d }tt|dd� �\ }}}} } } } } }}}nN|dk�r|d }tt|dd � �\}}} } d } } } } }n td | ��||| || | | || |f V q&d S ) N� %s/diskstats� r: r9 r� � � rM r z!not sure how to interpret line %r)r r r[ r{ r� r� r] r� )r� r^ r� r� Zflenr� �reads� reads_merged�rbytes�rtime�writes� writes_merged�wbytes�wtimer� r\ r? r? r@ � read_procfs� sH � �� � �z%disk_io_counters.<locals>.read_procfsc s s� t �d�D ]�} t �t j�d| ��D ]�\}}}d|kr6q"tt j�|d���}|�� �� �� }W 5 Q R X t j� |�}t t |d d� �\ }}} } } } } }}}||| | | | ||| |f V q"q d S )N� /sys/block�statr� ) ry r" �walkr^ r� r r� r� r{ �basenamer] r� )�block�rootr� �filesr� r� r� rm rn ro rp rq rr rs rt r\ r? r? r@ � read_sysfs� s& � �z$disk_io_counters.<locals>.read_sysfsri rv zC%s/diskstats nor /sys/block filesystem are available on this system)ry r^ rA r r r� �DISK_SECTOR_SIZE)Zperdiskru r} �genr_ r� r� rm rq ro rs rp rt rn rr r\ r? r? r@ �disk_io_counters� s6 - ��� � r� c @ s@ e Zd ZdZddgZdd� Zdd� Zdd � Zd d � Zd d � Z dS )�RootFsDeviceFinderaF disk_partitions() may return partitions with device == "/dev/root" or "rootfs". This container class uses different strategies to try to obtain the real device path. Resources: https://bootlin.com/blog/find-root-device/ https://www.systutorials.com/how-to-find-the-disk-where-root-is-on-in-bash-on-linux/. �major�minorc C s( t �d�j}t �|�| _t �|�| _d S )Nr� )ry rw �st_devr� r� )r �devr? r? r@ r � s zRootFsDeviceFinder.__init__c C s� t dt� ���}|�� dd � D ]�}|�� }t|�dk r:q |d �� rRt|d �nd }|d �� rnt|d �nd }|d }|| jkr || jkr |r d| W 5 Q R � S q W 5 Q R X d S )Nz %s/partitionsr9 r� r r r: �/dev/%s) r r r[ r{ r� �isdigitr� r� r� )r r� r� r� r� r� r� r? r? r@ �ask_proc_partitions� s z&RootFsDeviceFinder.ask_proc_partitionsc C sj d| j | jf }t|��H}|D ]<}|�d�r |�� �d�d }|r d| W 5 Q R � S q W 5 Q R X d S )Nz/sys/dev/block/%s:%s/ueventzDEVNAME=r9 r� )r� r� r r� r� � rpartition)r r^ r� r� r� r? r? r@ �ask_sys_dev_block s z$RootFsDeviceFinder.ask_sys_dev_blockc C s� d| j | jf }t�d�}|D ]z}z t|�}W n tk rF Y q Y q X |�F |�� �� }||kr�tj � tj � |��}d| W 5 Q R � S W 5 Q R X q d S )Nz%s:%sz/sys/class/block/*/devr� ) r� r� r� �iglobr r r� r� ry r^ ry �dirname)r �needler| rE r� �datar� r? r? r@ �ask_sys_class_block s z&RootFsDeviceFinder.ask_sys_class_blockc C s� d }|d krHz | � � }W n. ttfk rF } z t|� W 5 d }~X Y nX |d kr�z | �� }W n. ttfk r� } z t|� W 5 d }~X Y nX |d kr�z | �� }W n. ttfk r� } z t|� W 5 d }~X Y nX |d k r�tj�|�r�|S d S r) ) r� r� r� r r� r� ry r^ rA )r r^ r� r? r? r@ �find s$ zRootFsDeviceFinder.findN) r< r= r> rW � __slots__r r� r� r� r� r? r? r? r@ r� � s r� c C s t � }t� }| sttd| ��R}|D ]F}|�� }|�d�sH|�|�� � q"|�d�d }|dkr"|�d� q"W 5 Q R X |dkr�tj� d�r�tj� d�}ntj� d| �}g }t � |�}|D ]^} | \} } }} | d kr�d } | d kr�t � �� p�| } | s�| r�||kr�q�t�| | || �} |�| � q�|S ) z8Return mounted disk partitions as a list of namedtuples.z%s/filesystemsZnodev� r Zzfsr� z /etc/mtabz%s/self/mounts�nonerN )z /dev/rootZrootfs)r� r r r� r� r� r{ ry r^ �isfile�realpathr� �disk_partitionsr� r� r Z sdiskpartr� )r Zfstypesr� r� r� ZfstypeZ mounts_path�retlistZ partitions� partitionZdeviceZ mountpoint�opts�ntupler? r? r@ r� 5 s8 r� c C sd t �t�} t�d�}|�t�d�� ttdd� |D ���}t�d�}t�d�}|D ]"}|� d|�}||krR|� |� qR|D �]}z>|d }t t |��d }t j�t j�|�d �}t|��� } W n tttfk r� Y qzY nX t |d d d �} t |d d d �} t|d dd ��� } | d k �rHzt | �d } W n tk �rF d } Y nX | d k �r~zt | �d } W n tk �r| d } Y nX | | � | || | f� qz|�s\t�d�}tt|��}|D �]�}z<t j�|d�}t t |��d }t j�|d�}t|��� } W n< tttfk �r4 } zt| � W Y ��q�W 5 d } ~ X Y nX t�|d �}tdd� |D ��}d } d } |D ]�}t j�||d �}t|dd ��� }|dk�r�t t j�||d �d d �} n$|dk�r�t t j�||d �d d �} | d k �rzt | �d } W n tk �r d } Y nX | d k �rbzt | �d } W n tk �r< d } Y nX �qb| | � d|| | f� �q�t| �S )a� Return hardware (CPU and others) temperatures as a dict including hardware name, label, current, max and critical temperatures. Implementation notes: - /sys/class/hwmon looks like the most recent interface to retrieve this info, and this implementation relies on it only (old distros will probably use something else) - lm-sensors on Ubuntu 16.04 relies on /sys/class/hwmon - /sys/class/thermal/thermal_zone* is another one but it's more difficult to parse z /sys/class/hwmon/hwmon*/temp*_*z&/sys/class/hwmon/hwmon*/device/temp*_*c S s g | ]}|� d �d �qS �r� r �r{ r� r? r? r@ r� t s z(sensors_temperatures.<locals>.<listcomp>z5/sys/devices/platform/coretemp.*/hwmon/hwmon*/temp*_*z'/sys/devices/platform/coretemp.*/hwmon/z/sys/class/hwmon/�_inputg @�@r� �_maxNr� Z_crit�_labelrN z /sys/class/thermal/thermal_zone*�temp�typez /trip_point*c S s, g | ]$}d � tj�|��d �dd� ��qS )r� r r: )r� ry r^ ry r{ )r� �pr? r? r@ r� � s ��_type�critical�_temp�high)� collectionsr r! r� �extend�sortedr� r� r� �subr� r� r ry r^ r� r� r r� r� r� r� r �dict)r� � basenamesZ basenames2�replr� Zaltname�baser^ r� � unit_namer� r� �labelr� Z trip_pathsZ trip_pointsZ trip_pointZ trip_typer? r? r@ �sensors_temperaturesa s� � � � � r� c C s� t �t�} t�d�}|s"t�d�}ttdd� |D ���}|D ]�}ztt|d ��}W n6 tt fk r� } zt |� W Y �q<W 5 d}~X Y nX t t j �t j �|�d���� }t |d d d ��� }| | �t�||�� q<t| �S ) a� Return hardware fans info (for CPU and other peripherals) as a dict including hardware label and current speed. Implementation notes: - /sys/class/hwmon looks like the most recent interface to retrieve this info, and this implementation relies on it only (old distros will probably use something else) - lm-sensors on Ubuntu 16.04 relies on /sys/class/hwmon z /sys/class/hwmon/hwmon*/fan*_*z%/sys/class/hwmon/hwmon*/device/fan*_*c S s g | ]}|� d �d �qS r� r� r� r? r? r@ r� � s z sensors_fans.<locals>.<listcomp>r� Nr� r� rN r� )r� r r! r� r� r� r� r r� r� r r ry r^ r� r� r� r� r Zsfanr� )r� r� r� r� r� r� r� r? r? r@ � sensors_fans� s r� c s� t � � � fdd�} dd� t�t�D �}|s.dS tj�tt|�d �}| |d |d �}| |d |d �}| |d |d �}| |d �}|dk r�|dk r�zd| | }W q� tk r� d}Y q�X n tt |d dd��}|dkr�dS d}| tj�td�tj�td��} | dk �r| dk}n6t |d dd�� � � � } | dk�r@d}n| dk�rNd}|�r\t j } nv|dk �r�|dk �r�zt|| d �} W n tk �r� t j} Y nX n.|dk �r�t|d �} | dk �r�t j} nt j} t �|| |�S ) a Return battery information. Implementation note: it appears /sys/class/power_supply/BAT0/ directory structure may vary and provide files with the same meaning but under different names, see: https://github.com/giampaolo/psutil/issues/966. c sR | D ]H}t |� d�}|� krzt|�W S tk rJ |�� Y S X qdS )zvAttempt to read the content of multiple files which may not exist. If none of them exist return None. r� N)r r� r� r� )r r^ r� ��nullr? r@ � multi_bcat� s z#sensors_battery.<locals>.multi_bcatc S s& g | ] }|� d �s d|�� kr|�qS )ZBAT�battery)r� r� r� r? r? r@ r� s �z#sensors_battery.<locals>.<listcomp>Nr z /energy_nowz /charge_nowz /power_nowz /current_nowz /energy_fullz /charge_fullz/time_to_empty_nowg Y@r� z /capacityr r� z AC0/onlinez AC/onliner z/statusrN Z dischargingF)Zcharging�fullTi �< )�objectry r" �POWER_SUPPLY_PATHr^ r� r� �ZeroDivisionErrorr� r r� r� r ZPOWER_TIME_UNLIMITEDZPOWER_TIME_UNKNOWNZsbattery) r� Zbatsr{ Z energy_nowZ power_nowZ energy_fullZ time_to_emptyrP Z power_pluggedZonlinerK Zsecsleftr? r� r@ �sensors_battery� sZ � � r� c C sH g } t �� }|D ]2}|\}}}}}t�||p.d|||�}| �|� q| S )z:Return currently connected users as a list of namedtuples.N)r� �usersr Zsuserr� ) r� Zrawlist�itemro �tty�hostnameZtstampr� �ntr? r? r@ r� U s r� c C sn dt � } t| ��R}|D ]:}|�d�rt|�� �� d �}|a| W 5 Q R � S qtd| ��W 5 Q R X dS )zAReturn the system boot time expressed in seconds since the epoch.r� s btimer z line 'btime' not found in %sN)r r r� r� r� r{ � BOOT_TIMErB )r^ r� r� r� r? r? r@ � boot_time` s r� c C s dd� t �tt� ��D �S )z7Returns a list of PIDs currently running on the system.c S s g | ]}|� � rt|��qS r? )r� r� r� r? r? r@ r� t s zpids.<locals>.<listcomp>)ry r" r" r r? r? r? r@ r* r s r* c C s� t �| �sdS zpdt� | f }t|��P}|D ]8}|�d�r,t|�� d �}|| k W 5 Q R � W S q,td| ��W 5 Q R X W n" ttfk r� | t � k Y S X dS )zcCheck for the existence of a unix PID. Linux TIDs are not supported (always return False). F� %s/%s/statuss Tgid:r z'Tgid' line not found in %sN) r � pid_existsr r r� r� r{ r� �EnvironmentErrorr* )r� r^ r� r� Ztgidr? r? r@ r� w s r� c C s� i } t � }t� D ]x}z(td||f ��}|�� }W 5 Q R X W n ttfk rT Y qX |�d�}||d d� �� }t|d �}|| |< q| S )zsObtain a {pid: ppid, ...} dict for all running processes in one shot. Used to speed up Process.children(). � %s/%s/stat� )r9 Nr ) r r* r r� r r! r\ r{ r� )r� r� r� r� r� �rparZdset�ppidr? r? r@ �ppid_map� s r� c s t �� �� fdd��}|S )zlDecorator which translates bare OSError and IOError exceptions into NoSuchProcess and AccessDenied. c s� z� | f|�|�W S t k r4 t| j| j��Y nl tk r\ | �� t| j| j��Y nD tk r� | �� tj � d| j | jf �s�t| j| j��� Y nX d S )N�%s/%s) r r r� �_namer! �_raise_if_zombier r ry r^ rA r )r r� �kwargs��funr? r@ �wrapper� s z wrap_exceptions.<locals>.wrapper)� functools�wraps)r� r� r? r� r@ �wrap_exceptions� s r� c @ s� e Zd ZdZdddddgZdd� Zd d � Zd d � Zd d� Ze e dd� ��Z e e dd� ��Z e e dd� ��Z dd� Zdd� Ze dd� �Ze dd � �Ze d d � �Ze d d � �Ze d!d"� �Zej�d#e�� �r�e d$d%� �Ze d&d'� �Ze d(d)� �Ze dhd+d,��Z e d-d.� �Z e d/d0� �Z e �s e �r\d1d2� Z!e e"�#d3�e"�#d4�e"�#d5�fd6d7��Z$e d8d9� �Z%ne Z%e �rre d:d;� �Z&e d<d=� �Z'e e"�#d>�fd?d@��Z(e e"�#dA�fdBdC��Z)e dDdE� �Z*e dFdG� �Z+e dHdI� �Z,e-�r�e dJdK� �Z.e"�#dL�fdMdN�Z/e dOdP� �Z0e1�r e dQdR� �Z2e dSdT� �Z3e4d*k �r4e didUdV��Z5e dWdX� �Z6e dYdZ� �Z7e djd\d]��Z8e d^d_� �Z9e d`da� �Z:e e"�#db�fdcdd��Z;e e"�#de�fdfdg��Z<d*S )k�Processz Linux process implementation.r� r� �_ppidr �_cachec C s || _ d | _d | _t� | _d S r) )r� r� r� r r )r r� r? r? r@ r � s zProcess.__init__c C s^ zt d| j| jf �}W n ttfk r2 Y dS X |�d�}||d |d � }|dkS d S )Nr� Fr� r9 r: � Z)r r r� r� r� r\ )r r� r� rK r? r? r@ � _is_zombie� s zProcess._is_zombiec C s | � � rt| j| j| j��d S r) )r� r r� r� r� �r r? r? r@ r� � s zProcess._raise_if_zombiec C s t �d| j| jf � dS )z+Raise NSP if the process disappeared on us.r� N)ry rw r r� r� r? r? r@ �_raise_if_not_alive� s zProcess._raise_if_not_alivec C s� t d| j| jf �}|�d�}||�d�d |� }||d d� �� }i }||d< |d |d < |d |d < |d |d < |d |d< |d |d< |d |d< |d |d< |d |d< |d |d< |d |d< |S )aY Parse /proc/{pid}/stat file and return a dict with various process info. Using "man proc" as a reference: where "man proc" refers to position N always subtract 3 (e.g ppid position 4 in 'man proc' == position 1 in here). The return value is cached in case oneshot() ctx manager is in use. r� r� � (r r9 Nr� r rK r� r� �ttynr� �utime� �stime� �children_utimerk �children_stime� � create_time�$ �cpu_num�' � blkio_ticks)r r r� r\ r� r{ )r r� r� r� r� r� r? r? r@ �_parse_stat_file� s" zProcess._parse_stat_filec C s4 t d| j| jf ��}|�� W 5 Q R � S Q R X dS )z�Read /proc/{pid}/stat file and return its content. The return value is cached in case oneshot() ctx manager is in use. r� N)r r r� r� �r r� r? r? r@ �_read_status_file s zProcess._read_status_filec C s8 t d| j| jf ��}|�� �� W 5 Q R � S Q R X d S )Nz %s/%s/smaps)r r r� r� r� r� r? r? r@ �_read_smaps_file s zProcess._read_smaps_filec C s( | j �| � | j�| � | j�| � d S r) )r� Zcache_activater� r� r� r? r? r@ � oneshot_enter s zProcess.oneshot_enterc C s( | j �| � | j�| � | j�| � d S r) )r� Zcache_deactivater� r� r� r? r? r@ � oneshot_exit s zProcess.oneshot_exitc C s | � � d }trt|�}|S )Nr� )r� r r )r r� r? r? r@ r� % s z Process.namec C s\ zt d| j| jf �W S ttfk rV | �� tj�d| j| jf �rPY dS � Y nX d S )Nz %s/%s/exer� rN ) rz r r� r r! r� ry r^ �lexistsr� r? r? r@ �exe- s z Process.exec C s� t d| j| jf ��}|�� }W 5 Q R X |s8| �� g S |�d�rFdnd}|�|�r`|d d� }|�|�}|dkr�t|�dkr�d|kr�|�d�}|S )Nz %s/%s/cmdlinert rl r r )r r r� r� r� r| r{ r� )r r� r� �sep�cmdliner? r? r@ r� : s zProcess.cmdlinec C s0 t d| j| jf ��}|�� }W 5 Q R X t|�S )Nz %s/%s/environ)r r r� r� r )r r� r� r? r? r@ �environT s zProcess.environc C s> t | �� d �}t�� }z || W S tk r8 Y d S X d S )Nr� )r� r� r Zget_terminal_mapr� )r Ztty_nrr r? r? r@ �terminalZ s zProcess.terminalz /proc/%s/ioc C s� d| j | jf }i }t|��T}|D ]H}|�� }|r"z|�d�\}}W n tk r\ Y q"Y q"X t|�||< q"W 5 Q R X |s�td| ��z,t|d |d |d |d |d |d �W S t k r� } z td |j d ||f ��W 5 d }~X Y nX d S ) Nz%s/%s/ios : z%s file was emptys syscrs syscws read_bytess write_bytess rchars wcharz1%r field was not found in %s; found fields are %rr ) r r� r r� r{ r� r� rB rm r� r� )r �fnamer� r� r� r� r� r� r? r? r@ � io_countersf s8 ���zProcess.io_countersc C sh | � � }t|d �t }t|d �t }t|d �t }t|d �t }t|d �t }t|||||�S )Nr� r� r� r� r� )r� r� r� rn )r r� r� r� r� r� rs r? r? r@ r� � s zProcess.cpu_timesc C s t | �� d �S )zWhat CPU the process is on.r� �r� r� r� r? r? r@ r� � s zProcess.cpu_numNc C s t �| j|| j�S r) )r Zwait_pidr� r� )r �timeoutr? r? r@ �wait� s z Process.waitc C s& t | �� d �}tpt� }|t | S )Nr� )r� r� r� r� r� )r �ctimeZbtr? r? r@ r� � s zProcess.create_timec C s` t d| j| jf ��2}dd� |�� �� d d� D �\}}}}}}}W 5 Q R X t|||||||�S )Nz %s/%s/statmc s s | ]}t |�t V qd S r) )r� r� r� r? r? r@ � <genexpr>� s z&Process.memory_info.<locals>.<genexpr>rM )r r r� r� r{ rc ) r r� Zvmsri rW �text�libr� Zdirtyr? r? r@ � memory_info� s � zProcess.memory_infoc C s� d } }}t d�| j| j���r}|D ]f}|�d�rN|t|�� d �d 7 }q&|�d�rnt|�� d �d }q&|�d�r&t|�� d �d }q&W 5 Q R X |||fS )Nr z{}/{}/smaps_rollups Private_r r� � Pss:� Swap:)r r r r� r� r� r{ )r re rf rg r� r� r? r? r@ �_parse_smaps_rollup� s � zProcess._parse_smaps_rollups \nPrivate.*:\s+(\d+)s \nPss\:\s+(\d+)s \nSwap\:\s+(\d+)c C sZ | � � }ttt|�|���d }ttt|�|���d }ttt|�|���d }|||fS )Nr� )r� r� r] r� �findall)r Z _private_reZ_pss_reZ_swap_reZ smaps_datare rf rg r? r? r@ � _parse_smaps� s zProcess._parse_smapsc C sh t r@z| �� \}}}W qN ttfk r< | �� \}}}Y qNX n| �� \}}}| �� }t||||f � S r) )�HAS_PROC_SMAPS_ROLLUPr r! r r r rd )r re rf rg Z basic_memr? r? r@ �memory_full_info� s zProcess.memory_full_infoc C s` dd� }| � � }|s | �� g S |�d�}g }|�d�}|g}|||�D �]\}}|�dd�}z|\} } } } } }W n* tk r� |dg \} } } } } }Y nX |s�d}n2tr�t|�}|�� }|�d �r�t |�s�|dd � }t| �t| �||� d d�|� d d�|� d d�|� dd�|� dd�|� dd�|� dd�|� dd�|� dd�|� dd�f }|� |� qH|S )aQ Return process's mapped memory regions as a list of named tuples. Fields are explained in 'man proc'; here is an updated (Apr 2012) version: http://goo.gl/fmebo. /proc/{PID}/smaps does not exist on kernels < 2.6.14 or if CONFIG_MMU kernel configuration option is not enabled. c s s� i }| D ]�}|� d d�}|d �d�s@|�� |fV |�|� qz t|d �d ||d < W q tk r� |d �d�r�Y qn td| ��Y qX q|�� |fV d S )N� r r� r r� s VmFlags:z#don't know how to interpret line %r)r{ r| �popr� r� r� r� )r^ � current_blockr� r� r� r? r? r@ � get_blocks s" �� z'Process.memory_maps.<locals>.get_blocks� r Nr rN z[anon]ru rv s Rss:s Size:r s Shared_Clean:s Shared_Dirty:s Private_Clean:s Private_Dirty:s Referenced:s Anonymous:r ) r� r� r{ r r� r r r� r| r r� r� )r r r� r^ r� � first_liner �headerZhfieldsr: Zperms�_offset�_devZ_inoder^ r� r? r? r@ � memory_maps sP � � zProcess.memory_mapsc C s t d| j| jf �S )Nz %s/%s/cwd)rz r r� r� r? r? r@ �cwdM s z Process.cwds ctxt_switches:\t(\d+)c C sL | � � }|�|�}|s,td| j| jf ��n t�t|d �t|d ��S d S )Nz�'voluntary_ctxt_switches' and 'nonvoluntary_ctxt_switches'lines were not found in %s/%s/status; the kernel is probably older than 2.6.23r r )r� r r r r� r Zpctxswr� )r Z _ctxsw_rer� Zctxswr? r? r@ �num_ctx_switchesQ s ��zProcess.num_ctx_switchess Threads:\t(\d+)c C s | � � }t|�|�d �S �Nr )r� r� r )r Z_num_threads_rer� r? r? r@ � num_threads` s zProcess.num_threadsc C s� t �d| j| jf �}|�� g }d}|D ]�}d| j| j|f }z$t|��}|�� �� }W 5 Q R X W n tt fk r� d}Y q*Y nX ||� d�d d � }|� d�}t |d �t } t |d �t } t�t|�| | �} |�| � q*|r�| �� |S ) Nz %s/%s/taskFz%s/%s/task/%s/statTr� r9 r� r� r� )ry r" r r� r� r r� r� r r! r� r{ r� r� r Zpthreadr� r� r� ) r Z thread_idsr� � hit_enoent� thread_idr� r� �str� r� r� r� r? r? r@ �threadsh s2 � zProcess.threadsc C s t �| j�S r) )re � getpriorityr� r� r? r? r@ �nice_get� s zProcess.nice_getc C s t �| j|�S r) )re � setpriorityr� )r r� r? r? r@ �nice_set� s zProcess.nice_setc C s t �| j�S r) )r� r4 r� r� r? r? r@ �cpu_affinity_get� s zProcess.cpu_affinity_gets Cpus_allowed_list:\t(\d+)-(\d+)c C sV | � � }|�|�}|r@ttt|d d �t|d d �d ��S tttt� ���S d S )Nr r )r� r r! �ranger� r� r� )r �_rer� r� r? r? r@ �_get_eligible_cpus� s *zProcess._get_eligible_cpusc C s� zt �| j|� W n� ttfk r� } zpt|t�s>|jtjkr�| �� }t t t t � ���}|D ]4}||krxtd||f ��||kr\td||f ��q\� W 5 d }~X Y nX d S )Nz(invalid CPU number %r; choose between %sz0CPU number %r is not eligible; choose between %s) r� Zproc_cpu_affinity_setr� r� r� rw r# r$ r" �tupler r� r� )r r� r� Z eligible_cpusZall_cpus�cpur? r? r@ �cpu_affinity_set� s( ����zProcess.cpu_affinity_setc C s, t �| j�\}}td k r t|�}t�||�S r) )r� r3 r� �enumr; r Zpionice)r �ioclassr� r? r? r@ � ionice_get� s zProcess.ionice_getc C sT |d kr d}|r(|t tfkr(td| ��|dk s8|dkrDd}t|��t�| j||�S )Nr z%r ioclass accepts no valuerM zvalue not in 0-7 range)r' r$ r� r� Zproc_ioprio_setr� )r r' r� r� r? r? r@ � ionice_set� s zProcess.ionice_setc C s� | j dkrd}t|��zL|d kr.t| j |�W S t|�dkrRddt|� }t|��t| j ||� W n8 tk r� } z|jtjkr�| �� � W 5 d }~X Y nX d S )Nr z)can't use prlimit() against PID 0 processr9 z'second argument must be a (soft, hard) z tuple, got %s) r� r� r� r� rR r� r# ZENOSYSr� )r r� r� r� r� r? r? r@ �rlimit� s" �� zProcess.rlimitc C s$ | � � d }tr|�� }t�|d�S )NrK �?)r� r r � PROC_STATUSESr� )r �letterr? r? r@ rK � s zProcess.statusc C s~ g }t �d| j| jf �}d}|D �]F}d| j| j|f }z t|�}W nr ttfk rf d}Y q"Y q" tk r� } z6|jtj kr�W Y �$q"|jtj kr�t |� W Y �q"� W 5 d }~X Y q"X |� d�r"t |�r"d| j| j|f }zBt|��0}t|�� �� d �} t|�� �� d d�} W 5 Q R X W n ttfk �r> d}Y q"X t| �} t|t|�t| �| | �} |�| � q"|�rz| �� |S ) Nr Fr Tr� z%s/%s/fdinfo/%sr r� )ry r" r r� rz r r! r� r# r$ r% r r� r r r� r� r{ r� r] r� r� ) r r� r| r r_ rE r^ r� r� �posrb ra r� r? r? r@ � open_files� sR � $ � zProcess.open_filesr c C s t �|| j�}| �� |S r) )rY rV r� r� )r rT r� r? r? r@ rZ * s zProcess.net_connectionsc C s t t�d| j| jf ��S )Nr )r� ry r" r r� r� r? r? r@ �num_fds0 s zProcess.num_fdsc C s t | �� d �S )Nr� r� r� r? r? r@ r� 4 s z Process.ppids Uid:\t(\d+)\t(\d+)\t(\d+)c C s6 | � � }|�|�d \}}}t�t|�t|�t|��S r )r� r r Zpuidsr� )r Z_uids_rer� �real� effective�savedr? r? r@ �uids8 s z Process.uidss Gid:\t(\d+)\t(\d+)\t(\d+)c C s6 | � � }|�|�d \}}}t�t|�t|�t|��S r )r� r r Zpgidsr� )r Z_gids_rer� r1 r2 r3 r? r? r@ �gids> s z Process.gids)N)N)r )=r< r= r> rW r� r r� r� r� r� r r� r� r� r� r� r� r� r� r� r� ry r^ rA �getpidr� r� r� r� r� r r �HAS_PROC_SMAPSr r� r� r r r r r r r r r �HAS_CPU_AFFINITYr r" r% �HAS_PROC_IO_PRIORITYr( r) r� r* rK r/ rZ r0 r� r4 r5 r? r? r? r@ r� � s� � K � � 3 r� )N)r )F)F)�rW � __future__r r5 r� r# r� r� ry r� r r7 �sysr� r r rN r r r r� r re r r r r r r r r r r r r r r r r r r r r Z_compatr r r r! r" r# r& Z__extra__all__r� r^ rA r6 r7 r �hasattrr9 r8 r� r� Z getpagesizer� r� � byteorderr3 r~ � AF_PACKETr8 �IntEnumr� r7 r$ r% r& r' r; �globalsr+ � __members__ZSTATUS_RUNNINGZSTATUS_SLEEPINGZSTATUS_DISK_SLEEPZSTATUS_STOPPEDZSTATUS_TRACING_STOPZ STATUS_ZOMBIEZ STATUS_DEADZSTATUS_WAKE_KILLZ STATUS_WAKINGZ STATUS_IDLEZ STATUS_PARKEDr, r( r) r* r+ r, r- r. r/ r0 r1 r2 rC rM rY r] rc r� rd rh r� rk rm rn rz r� r� r� � Exceptionr� r� r� �resource� ImportErrorr� �CDLLr� r� �dirr� r� r� r� r� r� r� r� r� r Z net_if_addrsr r rY rZ ra rh � disk_usager� r� r� r� r� r� r� r� r* r� r� r� r� r? r? r? r@ �<module> s� � � �� �� �� � �� � ��� $ � @ < + � ) u /" hK ,v _
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